Location: Barcelona, Spain
Appodeal
is a dynamic US-based product company with a truly global presence.
We have offices in
Warsaw, Barcelona and Parkland (FL),
along with remote team members located around the world.
Our company thrives on diversity, collaboration, and innovation, making us a leader in the mobile app monetization space.
Why Appodeal?
At Appodeal, we’re more than just a company—we’re a team united by a common mission:
Help people discover and grow their talents through products that enable successful mobile app businesses!
We take pride in our cutting-edge product and our internationally dispersed team of talented professionals.
Here’s what we value, and what we hope you do too:
Seek the Truth and Say It with Care:
We find the truth together, and nobody owns it, the CEO included. Stories, perspectives and beliefs can be personal. Facts can’t.
Leverage Data to Build Product:
Our decisions start from data. We build systems rather than one-off tasks, use AI agents in our daily work and automate whatever is manual. When numbers don’t match, we fix them.
We Work Together to Serve Others:
No closed doors between teams. We share what we learn and win as one company first.
Insist on Higher Standards:
We don’t settle for “good enough”. We question it and push for better.
Passionate Curiosity Fuels Perseverance:
We ask “why”, take on ambiguous problems and keep going when they get hard.
Lean Startup Mentality: Start Small, Iterate Quickly:
Think big, ship an MVP first and learn fast. No big-bang releases.
Ownership and Accountability:
We work in small squads so each team owns its result end to end and has the freedom to get there. Go deep in your craft and wide enough to own the whole outcome. Escalate blockers early, admit mistakes, fix the damage and learn.
We are now expanding our data capabilities and seeking an experienced
Chief Data Science Officer
to lead and scale our
Data Science UA team
function in Barcelona.
This role is ideal for a leader with a strong technical background, excellent people-management skills, and the ability to turn data into actionable, high-impact product and business outcomes.
Role Overview:
Chief Data Science
Officer
will be responsible for building and growing our Data Science organization, driving advanced analytics and ML initiatives, and ensuring our products and business units are empowered by high-quality insights and predictive capabilities.
You will work closely with Product, Engineering, Revenue, and Leadership teams to translate business needs into DS/ML solutions, strengthen our data infrastructure, and support decision-making across the ecosystem.
This is a strategic and hands-on leadership role with significant influence on product evolution, optimization algorithms, and operational excellence.
Key Responsibilities:
Leadership & Strategy
Lead and scale the Data Science function across the organization.
Translate business and product goals into clear DS/ML initiatives and execution plans.
Build and promote a strong data-driven culture across all teams.
Applied Data Science & ML.
Oversee development, deployment, and monitoring of ML models across Appodeal’s product and monetization ecosystem.
Guide experimentation, modeling, uplift measurement, and algorithmic optimization.
Ensure model quality, reliability, fairness, and performance at scale.
Collaboration & Stakeholder Management.
Partner with Product and Engineering teams to integrate Data Science into product roadmaps.
Work with business units to identify opportunities, define DS/ML requirements, and deliver impactful insights.
Communicate DS outcomes, metrics, and recommendations to leadership.
Team Leadership
Lead, mentor, and develop a multidisciplinary team of Data Scientists, Analysts, and ML/AI specialists.
Foster knowledge sharing, best practices, experimentation, and continuous improvement.
Drive hiring, talent development, and team structure optimization.
Data Infrastructure & Governance
Collaborate with Data Engineering and MLOps teams to ensure robust pipelines, feature stores, and model deployment workflows.
Improve data quality, observability, and governance standards.
Qualifications:
Education
Bachelor’s or Master’s degree in Data Science, Computer Science, Engineering, Math, or a related field (PhD is a plus).
Experience
5+ years of experience in Data Science, Machine Learning, or Applied Analytics.
3+ years in a DS leadership role (Lead DS, Head of DS, Director of DS, or similar).
Demonstrated experience building and leading Data Science teams.
Proven track record of delivering DS/ML solutions with real business impact.
Technical Skills
Strong understanding of ML algorithms, experimentation, predictive modeling, and statistical analysis.
Hands-on experience with Python, ML frameworks (TensorFlow, PyTorch, Scikit-learn), and analytics tooling.
Solid understanding of data pipelines, big data technologies, and collaboration with Data Engineering teams.
Experience with AdTech, attribution, auction mechanics, or optimization algorithms is a strong plus.
Leadership & Soft Skills
Excellent stakeholder management and communication skills.
Ability to translate technical concepts into business language.
Strong decision-making and prioritization abilities.
Passion for mentoring, coaching, and building high-performing teams.
What We Offer:
Opportunity to build and lead the Data Science function of a global product company.
Direct influence on product roadmap and business outcomes.
Collaborative and international team environment.
Competitive compensation package and growth opportunities.
A chance to shape the future of mobile app monetization.
With an outstanding product and a mission that excites and inspires, Appodeal offers a unique opportunity to make an impact while being part of an amazing team.
Join us
and help shape the future of mobile app success!
Location: Colombia; Ukraine; Poland; Brazil; Argentina; Georgia
Workplace: Remote
Solvd Inc. is a rapidly growing AI-native consulting and technology services firm delivering enterprise transformation across cloud, data, software engineering, and artificial intelligence. We work with industry-leading organizations to design, build, and operationalize technology solutions that drive measurable business outcomes.
Following the acquisition of Tooploox, a premier AI and product development company, Solvd now offers true end-to-end delivery—from strategic advisory and solution design to custom AI development and enterprise-scale implementation. Our capability centers combine deep technical expertise, proven delivery methodologies, and sector-specific knowledge to address complex business challenges quickly and effectively.
Solvd is looking for a highly skilled Data Engineer to help design and build modern data platforms that support large-scale risk and compliance initiatives for enterprise clients. In this role, you will architect and implement scalable data systems, real-time pipelines, and analytics capabilities that transform complex datasets into actionable insights.
You will partner with cross-functional teams—including data scientists, software engineers, and product stakeholders—to enable reliable, high-quality data solutions. This role requires strong technical depth in big data technologies, AWS services, and distributed systems, along with the ability to understand business needs and contribute to strategic decision-making.
WHAT YOU WILL DO
Data Architecture and Platform Development
- Design, build, and optimize scalable data infrastructure for risk and compliance workloads
- Develop batch and streaming pipelines using modern big data technologies
- Implement robust ETL and ELT workflows across diverse structured and unstructured data sources
Cloud Data Engineering
- Work extensively with AWS services including EMR, Redshift, S3, Glue, Lambda, Kinesis, and related data tools
- Build high-throughput, low-latency systems that support real-time or near-real-time decision making
Collaboration and Delivery
- Partner with data scientists, analysts, and engineering teams to deliver reliable and well-documented datasets
- Translate business requirements into technical specifications and scalable data solutions
- Mentor team members and contribute to best practices and reusable frameworks within Solvd
Automation and Continuous Improvement
- Streamline reporting, analytics, and data preparation processes
- Replace manual workflows with automated, repeatable systems
- Support ongoing performance tuning, monitoring, and platform optimization
BASIC QUALIFICATIONS
- Bachelor’s degree in Computer Science, Engineering, Mathematics, or similar
- 3 or more years of hands-on experience in data engineering or related fields
- Strong proficiency in SQL and data modeling for analytics and warehousing
- Experience building ETL or ELT pipelines at scale
- Experience with big data technologies such as Hadoop, Hive, Spark, HBase, or EMR
- Knowledge of distributed systems and data storage principles
- Basic scripting skills in Python or Scala
- Familiarity with machine learning concepts
PREFERRED QUALIFICATIONS
- Experience with AWS data services such as Redshift, S3, Glue, EMR, Kinesis, Firehose, and Lambda
- Experience working with non-relational data stores such as document, key-value, column-family, or graph databases
- Experience collaborating with cross-functional risk, compliance, or analytics teams
- Strong understanding of data governance, quality, and security best practices
When you join Solvd, you'll…
- Shape real-world AI-driven projects across key industries, working with clients from startup innovation to enterprise transformation.
- Be part of a global team with equal opportunities for collaboration across continents and cultures.
- Thrive in an inclusive environment that prioritizes continuous learning, innovation, and ethical AI standards.
Ready to make an impact?
If you're excited to build things that matter, champion responsible AI, and grow with some of the industry’s sharpest minds. Apply today and let’s innovate together.
Solvd is an equal opportunity employer.
Location: Worldwide
We are looking for a
QA Engineer - Backend (Golang)
for the
Core Banking Systems Team
— a team focused on building reliable and scalable backend systems at the core of our financial infrastructure. The team develops solutions for credit card issuing and processing, working with a microservices architecture and technologies such as Kafka and PostgreSQL. A key part of the team's work is ensuring that our systems are secure, resilient, and compliant with Mexican banking and accounting regulations.
Challenges that await you:
Requirements analysis, creation of test scenarios, and preparation of test data
Development and maintenance of test documentation
Acceptance and regression testing (automated and manual)
Manual testing responsibilities are an essential part of the role, including on-site involvement and ownership of the testing process.
Writing and maintaining automated tests in Go
Support of the test project
Development and maintenance of the test project
Integration of automated tests into CI/CD
Development and maintenance of testing infrastructure and tools
Identification, localization, and reporting of defects using a bug tracking system
Communication with the product team during development and participation in releases
Developing and maintaining custom tools to support the testing process (e.g., mock services, data generators, reporting tools)
What makes you a great fit:
Experience in developing and maintaining test documentation
Experience in programming with Go / Java / Kotlin / Python
Experience working with Git or other version control systems
Experience working with SQL
Experience in developing and maintaining automated tests in Java / Kotlin / Python / Go
Experience in developing and maintaining a test framework
Experience working with CI/CD tools
Experience in developing and maintaining testing infrastructure and tools
Knowledge and understanding of design patterns
Experience working with message queues (Kafka)
B1 or higher English
level for effective communication with an international team
Your bonus skills:
Experience working with gRPC and Protobuf
Experience with frameworks: dailymotion/allure-go, Gomega (Go) / JUnit5, Allure (Kotlin) / allure-pytest, pytest (Python)
Experience in load testing
Knowledge and understanding of software design patterns
Our ways of working:
Innovative Spirit:
A commitment to creativity and groundbreaking solutions
Honest Feedback:
valuing open, transparent communication
Supportive Team:
a strong, collaborative community
Celebrating Achievements:
recognizing our wins together
High-Tech Environment:
a team full of smart and revolutionary people who date to challenge the status quo of incumbent finances
Team time zone:
The team works within the GMT+1 to GMT+5 time zone
Our benefits:
Relocation support
to one of our hubs — Cyprus, Georgia, Kazakhstan— with assistance for the employee and their family
Flexible work
from one of our offices or remote
Healthcare Coverage
Education Budget:
Language lessons, professional training and certifications
Wellness Budget:
Mental health and fitness activity reimbursement
Vacation policy:
Annual leave and paid sick leave as per applicable policies
Location: Dhahran, Saudi Arabia; Doha, Qatar; Muscat, Oman; Kuwait City, Kuwait; Mumbai, India
Eram Talent is looking for a highly experienced Lead Process Design Engineer to join our dynamic team within the oil and gas industry. In this pivotal role, you will lead project teams in the design and development of process engineering solutions, ensuring that all processes are optimized for efficiency, safety, and regulatory compliance. Your expertise will be critical in guiding junior engineers and collaborating with multi-disciplinary teams to achieve project objectives.
Responsibilities
Technical Leadership and Design Management
Assume overall responsibility for all process design activities related to the GOSP facility.
Lead and manage the process design team, assign tasks, review work, and ensure the quality and schedule of all process design deliverables.
Spearhead the development and standardization of the project's process design basis, design guidelines, and technical specifications.
Be responsible for finalizing key process schemes and selecting the technical execution strategy, such as separation sequence, compression philosophy, and treatment processes.
Organize and review core process simulation calculations, including:
Process calculations and preliminary sizing for major equipment (e.g., Oil-Gas Separators, Columns, Heat Exchangers, Pumps, Compressors).
Pipeline Hydraulic Calculations and Pressure Relief/Blowdown System Calculations.
Organize the preparation, review, and approval of all key process design documents, primarily including:
* Process Piping and Instrumentation Diagrams (P&IDs)
* Process Design Basis
* Equipment Data Sheets and Technical Specifications
* Hazardous Area Classification Drawings
* Pressure Relief and Blowdown System Design Report
* Process Description and Operating Manuals
Act as the primary process discipline interface for communication and coordination with the Client, the Project Management Team, other engineering disciplines (Piping, Mechanical, Instrumentation & Control, Electrical, Civil/Structural), and equipment vendors.
Ensure all process designs strictly adhere to Saudi Aramco Engineering Standards, Design Practices, and relevant regulations of the Kingdom of Saudi Arabia.
Organize and lead process-related model reviews to ensure layout optimization for operability and maintainability.
Represent the process discipline in and lead project technical meetings.
Provide high-level process technical support to the site team during the Construction, Pre-commissioning, and Commissioning phases.
Review and respond to Technical Queries raised by the site team.
Participate in resolving site issues related to process design and review design changes.
Requirements
Bachelor's degree or higher in Chemical Engineering, Petrochemical Engineering, or a related field.
Possess or be eligible to obtain Saudi Council of Engineers (SCE) certification.
Hold a valid Saudi Aramco certification/work permit.
Minimum of 15 years of experience in process design within the oil and gas industry.
At least 2-3 complete projects experience serving as a Process Lead/Principal Process Engineer, leading the EPC phase design for major upstream oil & gas facilities (especially GOSP, oil & gas processing stations, central processing facilities, etc.).
Extensive project experience working with Saudi Aramco or similar major international oil & gas companies, with a deep understanding and mastery of Aramco standards.
Proficient in using industry-standard process simulation software (e.g., HYSYS, PipeSIM) and capable of guiding the team in simulation work.
In-depth understanding of upstream treatment processes such as oil-gas separation, dehydration, desalination, and compression.
Familiar with international standards and Saudi Aramco standards.
Capable of independently reviewing critical process calculations and equipment data sheets.
Ability to motivate and lead technical teams, making sound decisions under pressure.
Capable of clear and effective technical communication with clients, management, and cross-cultural teams.
Ability to quickly analyze complex technical problems and propose practical solutions.
Fluent in English (written and spoken); knowledge of basic Arabic is a plus.
Strong project management and time management skills to ensure design tasks are completed on schedule.
Location: Limassol, Cyprus
Workplace: on-site
Mayflower is a technology company building highload products used by millions of people worldwide. Operating at the scale of one of the world's top-50 websites, we solve complex engineering challenges and create solutions that power real-time entertainment for a global audience.
We are looking for a Full-Stack QA for a high-load complex service product team with field automation experience.
The future QA engineer will have to carefully check all new changes, immediately cover it with autotests, and also participate in the daily delivery of new functionality to production
Job Responsibilities
Frontend and Backend testing of new functionality, bug fixes and technical tasks;
Selenium and API coverage with autotests immediately on the principle of "not covered - not release";
Participation in the process of delivery to production. Ensuring smooth deployment of updates and enhancements to the production environment;
Manual testing.
You’ll thrive here if you have
4+ years of experience in full stack testing;
Proficiency in Python for test automation: experience writing and maintaining UI/API tests;
Expertise in auto testing web applications using Selenium WebDriver;
Deep understanding of QA automation patterns;
Proficiency in Git;
English proficiency, minimum B1 level;
Experience in setting up and using Gitlab CI;
Capability to initiate and configure projects in Docker;
Familiarity with Bash scripting;
Conditions
We know that great talent deserves great conditions, so here's what you can expect when joining us:
EU-based employment contract and a 3-year Cyprus work visa with full support for your relocation and visa processes, including assistance for your family.
EU passport.
Opportunity to obtain an EU passport after 4 years of residence
Full relocation package: flights to Limassol for you and your family, a company-covered apartment for the first month, and full relocation support to make your move smooth and hassle-free.
Provident fund (Cypus): a long-term savings plan co-funded by you and the Company together (available after probation) that grows throughout your time with us in Cyprus.
Transparent performance reviews twice a year, with bonus opportunities and salary adjustments.
Private medical insurance for you and your family
Corporate mobile plan (unlimited in Cyprus with roaming included)
Mindfulness & well-being support, including psychological assistance with 50% coverage.
50% coverage of school and kindergarten fees for your children.
Fully covered sports benefits, and also access to in-house electric scooters and bike rentals
Professional growth support: language courses, conferences, training programs, and coaching.
Peer recognition program: receive and share kudos for great work.
A fully equipped office in Limassol’s city center, with everything you need for deep work and collaboration.
Free breakfasts and lunches in the office and an in-house coffee bar with high-quality drinks and a health bar stocked with nutritious snacks.
A strong engineering culture: international teams, corporate events, team buildings, and hackathons — because great work happens in great communities.
Recruitment process
HR interview (40 min);
Technical interview (1.5 hour);
Live-coding (1.5 hour);
Final interview (1 hour);
Recommendations check;
Job Offer.
Location: Amsterdam, Netherlands; Remote - Europe
About Nebius:
Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure.
Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI.
Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.
The team
The Hardware Automation team builds the internal platforms and tooling that power how Nebius operates its data center infrastructure at scale. Our mission is to eliminate manual effort, reduce human error, and give every team in the Hardware Infrastructure department real-time visibility and control over the systems they own.
We operate as a product engineering team embedded within hardware infrastructure — meaning we don't just write requirements and hand them off. We own the full stack: from requirements gathering with data center operations and hardware engineering, through design and build, all the way to rollout and ongoing reliability.
The Role
Nebius is looking for a Senior Software Engineer to join the Hardware Infrastructure Observability team. You're welcome to work from our office in Amsterdam. We build and run low-level monitoring for servers and data center engineering systems to ensure reliability at scale. We also design and operate maintenance and remediation systems that enable safe, predictable fleet-wide changes and keep the infrastructure healthy.
Key Responsibilities:
Design and develop services and agents that provide deep visibility into a large server fleet and DC engineering systems
Evolve our metrics/aggregation/alerting pipelines and improve signals quality
Build maintenance workflows and automation that keep fleets healthy
Investigate incidents hands-on (including on-host debugging) and drive root-cause fixes
Collaborate with hardware, networking, and DC operations to improve reliability
We expect you to have:
5+ years of professional software engineering experience
Excellent knowledge of Python and Golang or you are ready to quickly switch to these programming languages
Strong Linux fundamentals
Ability to write reliable code and and dig into complex problems
Working proficiency in English
We expect Engineers to:
Manage large-scale projects involving multiple stakeholders
Break down complex tasks and guide both their own work and that of more junior colleagues
Be experts in specific technologies and write high-quality code that can serve as a reference
Assess task priority and focus on high-impact work, avoiding low-value efforts
Have strong architectural thinking and contribute to system design
Be involved in hiring and actively contribute to interviews
Be willing to share knowledge and mentor others
It will be an added bonus if you have:
Solid understanding of modern server architecture, and its components
Experience with metrics/monitoring/alerting Prometheus-compatible stacks (like VictoriaMetrics)
Good knowledge of computer networks
Experience designing, developing, and running high-load distributed systems
Benefits & Perks:
Competitive compensation
Career growth and learning opportunities
Flexibility and ownership
Collaborative and innovative culture
Opportunity to work on impactful AI projects
International environment and talented teams
What's it like to work at Nebius:
Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI
Equal Opportunity Statement:
Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law.
Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire.
If you need accommodations during the application process, please let us know.
Location: Dhahran, Saudi Arabia
Eram Talent is seeking a dedicated Training and Development Specialist to join our dynamic team in Saudi Arabia. In this role, you will be responsible for designing, implementing, and managing training programs aimed at enhancing employee skills and knowledge across the organization. As a key player in our HR team, you will work closely with various departments to assess training needs, develop tailored programs, and foster a culture of continuous learning.
Key Responsibilities:
Design and introduce the company’s training and development framework, policies, and standards.
Analyze and identify competency and skill gaps through performance data, surveys, and discussions with management.
Develop a long-term training roadmap aligned with business strategy and workforce planning.
Create and implement digital onboarding and learning programs leveraging technology (e.g., LMS, e-learning tools).
Develop and maintain engaging training materials, manuals, and visual aids.
Evaluate the effectiveness of programs, trainers, and learning content, recommending improvements.
Manage the annual training budget and forecast future learning investments.
Build partnerships with external training providers and certification bodies.
Prepare and present reports and dashboards on training outcomes and employee skill progress.
Support managers and supervisors in applying coaching and learning techniques within their teams.
Promote a culture of continuous learning across the organization.
Requirements
Bachelor’s degree in Human Resources, Business Administration, or a related field.
A minimum of 7 years of experience in training and development or a similar role.
Strong knowledge of adult learning principles and instructional design methodologies.
Proven ability to develop engaging training content and facilitate training sessions effectively.
Excellent communication and interpersonal skills.
Strong analytical skills to assess training needs and evaluate program effectiveness.
Familiarity with Learning Management Systems (LMS) and e-learning tools.
Ability to work collaboratively in a team-oriented environment.
Fluency in English is required; Arabic fluency is preferred.
A proactive attitude towards employee development and a commitment to continuous improvement.
Location: AMER/EMEA/APAC
Workplace: Remote
Asymmetric Research:
Asymmetric Research is a specialized security firm focused on long-term, integrated partnerships with L1/L2 blockchains and DeFi protocols. We help teams build resilient systems, strengthen security posture, and proactively address emerging threats.
About the Role:
We are seeking a Security Engineer to review and secure leading blockchain protocols and web3 projects. You will partner with clients to harden their products through design feedback, deep manual analysis, and automated tooling (fuzzing, static analysis).
Culture:
AR is a fully remote organization and members of our team have been strongly committed to open-source values for decades, having worked at organizations with deep open-source roots and strong security programs including Google, Netflix, Mozilla, Stripe, and Jump Crypto. We pride ourselves on maintaining the highest levels of confidentiality, trust, and professionalism.
Responsibilities:
- Design and implement security and defense-in-depth controls to prevent and limit vulnerabilities.
- Perform cutting-edge security research in popular blockchains and smart contract platforms.
- Develop security tooling and developer workflows to aid in the early detection of vulnerabilities.
- Collaborate with core contributors to conduct internal security audits.
- Shepherd external security audits with the help of leading third-party audit firms.
- Operate bug bounty programs on Immunefi, including leading, monitoring, and triaging submissions.
- Work in a diverse, decentralized team environment with web3 professionals.
- Clearly communicate security risks, findings, and proposed solutions.
- Adhere to the highest standards of integrity, trust, and professionalism.
Requirements:
- Strong desire to understand how things work, with the ability to quickly absorb new information.
- Prior experience with code reviews, reverse engineering, fuzzing and/or binary exploitation.
- Willingness and aptitude to learn different web3 technology stacks written in Rust, Golang or C.
- Prior high ranking on bug bounty leaderboards, code audit contests, or CTF competitions. [Nice to have]
Benefits:
- 25+ days of paid time off
- Comprehensive stipends for home office, wellbeing, professional development, and more
- Pension/401(k) programs
- Life insurance
- Premium healthcare
- Competitive base salary
- Lucrative bonus programs
Location: US / Remote
Workplace: remote
About You
You’re a self-starter who thrives on tackling the toughest and most meaningful problems, even if they are the most difficult problems. You’re comfortable with the unknown and understand that #startuplife means that you’re going to be wearing multiple hats. And that’s what motivates you. You’re accountable and obsessed with improvement, both in yourself and in others. You’re up to the challenge of building a world-class company that aims to be the infrastructure for more secure software for all.
About the Company
CertiK leads blockchain security by protecting smart contracts and blockchains with cutting-edge Formal Verification technology. Founded by Computer Science professors of Yale University and Columbia University, CertiK has audited and secured over $500B in assets, including many of the world’s top blockchain projects.
About the Role
The primary responsibility of this role is for CertiK’s security-related services. Intersecting cybersecurity and blockchain, CertiK’s security offerings include security consulting, security reviews, security auditing of smart contracts and blockchains, verification of smart contracts, penetration testing, and more.
As a Security Engineer at CertiK, you will contribute to the security offerings of the company, working with the rest of the security team to deliver the best products and services. You might engage directly with CertiK’s existing and future clients, participate in expanding security-related products and services, and follow the blockchain world on emerging security problems and trends.
Responsibilities
Conduct in-depth security evaluations on blockchain nodes, validators, consensus mechanisms, mempool behavior, networking layers, and chain modules.
Review and analyze blockchain frameworks such as Cosmos SDK, CometBFT, Geth, Hyperledger, and other L1/L2/L3 infrastructures.
Identify security issues related to consensus safety, chain halting, permission models flaws, block production vulnerabilities.
Implement and run custom scripts and test scenarios to simulate real-world validator/network behaviors, chain stress conditions, and edge cases.
Requirements
Strong written and spoken English communication skills.
High diligence and strong attention to detail, especially in multi-step testing and long-running experiments.
Solid understanding of blockchain architecture and node internals (e.g., Cosmos SDK / CometBFT, Go-Ethereum (Geth) internals, and Hyperledger Fabric / Besu)
Strong scripting & automation skills with Python or Bash
Familiarity with Docker and containerized testing environments.
Prior experience in manual Web3 security auditing is preferred, but not required.
What We Offer
Opportunity to shape the national conversation on blockchain and security.
Collaborate with industry-leading security researchers, technologists, and global institutions.
Flexible work environment and mission-driven culture.
Compensation: If the role is performed in the US, the target annual compensation is $120,000 - $180,000. The exact compensation at which this job is filled will be determined by the skills and experience of qualified candidates.
#blockchain
#startups
#hiring
CertiK accepts applications for this position on an ongoing basis.
CertiK is proud to offer medical, vision, and dental insurance, 401(k) plan with company matching, life and accidental death and dismemberment insurance, HSA (with high deductible plan), FSA, and other benefits to all full-time employees, along with flexible paid time off and holidays. CertiK also offers a variable commission program for business development sales roles.
In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.
CertiK is proud to be an equal opportunity employer. We will not discriminate against any applicant or employee on the basis of age, race, color, creed, religion, sex, sexual orientation, gender, gender identity or expression, medical condition, national origin, ancestry, citizenship, marital status or civil partnership/union status, physical or mental disability, pregnancy, childbirth, genetic information, military and veteran status, or any other basis prohibited by applicable federal, state or local law.
CertiK will consider for employment qualified applicants with criminal histories in a manner consistent with local and federal requirements.
https://www.eeoc.gov/sites/default/files/migrated_files/employers/poster_screen_reader_optimized.pdf
All CertiK employees are expected to actively support diversity on their teams, and in the Company.
Location: US / Remote
Workplace: remote
About You
You’re a self-starter. You believe in tackling the most important problems, even if they are the most difficult problems. You’re comfortable with the unknown and understand that #startuplife means that you’re going to be wearing multiple hats. And that’s what motivates you. You’re accountable and obsessed with improvement, both in yourself and in others. You’re up to the challenge of building a world-class company that aims to be the infrastructure for more secure software for all.
About the Company
CertiK leads blockchain security by securing smart contracts and blockchains with cutting-edge Formal Verification technology. Founded by Computer Science professors of Yale University and Columbia University, CertiK has audited and secured over $500B in assets, including many of the world’s top blockchain projects.
About the Role
The primary responsibility of this role is for CertiK’s security-related services. Intersecting cybersecurity and blockchain, CertiK’s security offerings include security consulting, security reviews, security auditing of smart contracts and blockchains, verification of smart contracts, penetration testing, and more.
As a Security Engineer at CertiK, you will contribute to the security offerings of the company, working with the rest of the security team to deliver the best products and services. You might engage directly with CertiK’s existing and future clients, participate in expanding security-related products and services, and follow the blockchain world on emerging security problems and trends.
Responsibilities
Perform end-to-end security services, including consulting, reviewing, auditing, verifying, testing, and delivering detailed security assessments for blockchain systems such as smart contracts, web3 protocols, L1/L2/L3 infrastructures, and dApps.
Conduct comprehensive manual code reviews to identify vulnerabilities, logical flaws, economic attacks, and non-obvious edge cases across Solidity, Golang, Rust or other blockchain languages.
Develop and refine threat models and attack surfaces, covering economic, technical, operational, and trust-assumption risks for blockchain protocols.
Design and execute security tests, including property-based testing and gas-related analysis.
Requirements
Bachelor's degree in Security, Computer Science, Mathematics, Physics, and Engineering
The ability to efficiently triage and juggle multiple priorities and deadlines.
Specialist-level knowledge of cybersecurity and security auditing. Can write and deploy smart contracts/blockchain infrastructure and write tests with frameworks.
Familiar with classic attack vectors and vulnerabilities such as reentrancy, sandwich attacks, overflow/underflow
The ability to effectively communicate with the clients and internal team, both verbally in English and in writing, about security services and requirements.
[Preferred] Prior hands-on security auditing experience.
What We Offer
Opportunity to shape the national conversation on blockchain and security.
Collaborate with industry-leading security researchers, technologists, and global institutions.
Flexible work environment and mission-driven culture.
Compensation: If the role is performed in the US, the target annual compensation is $120,000 - $180,000. The exact compensation at which this job is filled will be determined by the skills and experience of qualified candidates.
#blockchain
#startups
#hiring
CertiK accepts applications for this position on an ongoing basis.
CertiK is proud to offer medical, vision, and dental insurance, 401(k) plan with company matching, life and accidental death and dismemberment insurance, HSA (with high deductible plan), FSA, and other benefits to all full-time employees, along with flexible paid time off and holidays. CertiK also offers a variable commission program for business development sales roles.
In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.
CertiK is proud to be an equal opportunity employer. We will not discriminate against any applicant or employee on the basis of age, race, color, creed, religion, sex, sexual orientation, gender, gender identity or expression, medical condition, national origin, ancestry, citizenship, marital status or civil partnership/union status, physical or mental disability, pregnancy, childbirth, genetic information, military and veteran status, or any other basis prohibited by applicable federal, state or local law.
CertiK will consider for employment qualified applicants with criminal histories in a manner consistent with local and federal requirements.
https://www.eeoc.gov/sites/default/files/migrated_files/employers/poster_screen_reader_optimized.pdf
All CertiK employees are expected to actively support diversity on their teams, and in the Company.
Location: Kuala Lumpur
Workplace: onsite
ABOUT YOU
We are looking for a Senior QA Engineer who is meticulous, technically sharp, and forward-thinking to join our engineering team. You thrive in fast-paced, agile environments and are passionate about ensuring quality at every stage of the development lifecycle. You are not only confident in manual testing but also eager to integrate AI driven testing tools and workflows to elevate productivity, test coverage, and defect detection.
You bring deep expertise in exploratory and structured testing, contribute to team best practices, and are proactive in monitoring production behavior and user experiences. You stay curious about emerging tools and technologies, especially AI, and know how to leverage them effectively without losing sight of the fundamentals.
If you’re excited to improve test processes, advocate for quality across teams, and drive innovation in QA through automation and AI, we’d love to hear from you.
ABOUT US
Xsolla is a global commerce company with robust tools and services to help developers solve the inherent challenges of the video game industry. From indie to AAA, companies partner with Xsolla to help them fund, distribute, market, and monetize their games. Grounded in the belief in the future of video games, Xsolla is resolute in the mission to bring opportunities together, and continually make new resources available to creators. Headquartered and incorporated in Los Angeles, California, Xsolla operates as the merchant of record and has helped over 1,500+ game developers to reach more players and grow their businesses around the world. With more paths to profits and ways to win, developers have all the things needed to enjoy the game.
For more information, visit xsolla.com.
Responsibilities
Own and lead manual testing of complex features across multiple environments
Drive exploratory and regression testing using structured documentation and product knowledge
Identify, log, and track reproducible issues with precision using bug tracking tools (e.g. Jira)
Analyze production logs and real-user behavior to proactively identify quality gaps
Create and maintain detailed test cases, checklists, and QA documentation
Collaborate with engineering and DevOps teams to ensure reliable CI/CD test coverage
Evaluate and integrate AI-powered tools (e.g. test generation, log analysis, visual regression) into QA workflows
Set up and manage test environments, staging pipelines, and job configurations
Conduct load/stress testing and performance investigations
Act as a quality advocate across sprint planning, reviews, and release cycles
Mentor junior QA engineers and promote a culture of proactive quality ownership
Qualifications & Skills
Proven experience in software QA or testing roles, including ownership of end-to-end quality
Degree in Computer Science, Information Technology, or related field
Strong understanding of manual testing methodologies and defect life cycle
Proficiency with bug tracking systems (e.g., Jira) and version control (e.g., Git)
Practical experience using Postman and similar tools for API validation
Hands-on experience with CI/CD pipelines and deployment readiness processes
Proficiency with browser developer tools and basic terminal/command-line usage
Strong verbal and written English communication skills
Familiarity with AI-powered testing tools (e.g., test case generation, smart test prioritization, AI log analysis)
Good to Have
Experience with Playwright, Cypress, or Selenium for automated test development
Understanding of backend technologies, APIs, and familiarity with PHP or related languages
Experience working in Linux environments and using Bash scripting
Hands-on with AI platforms (e.g., ChatGPT, Testim, Mabl, or AI-based bug triaging tools) in a QA context
BENEFITS:
Convenient work tools
Latest Mac workplaces + additional hardware to make you more effective at work
Google Chat, Gmail, Google Drive, Confluence, Jira, GitLab
Professional growth
Free trainings and participation in specialized conferences
Rich knowledge exchange within the company
More perks
Health insurance (Medical, dental and optical)- Employee and dependants
Flexible hours: organize your day according to your needs and sprint & teamwork demands
No dress code
Comfortable and new office environment
The duties of this position may change from time to time so the individual and organization can achieve their results. This job description is intended to describe the general level of work being performed. It is not intended to be all-inclusive. By submitting your application, you consent to Xsolla conducting background checks, where permitted by law, after the final interview stage. All checks will comply with local regulations, and your information will be handled confidentially. Xsolla KL Sdn Bhd takes your privacy very seriously, and will not sell or externally distribute any data received during the hiring process. Pursuant to the Personal Data Protection Act 2010 (“PDPA”), Xsolla KL Sdn Bhd is mindful and committed to the protection of your personal information and your privacy. Please direct any inquiries regarding your data privacy to careers@xsolla.com.
For more vacancies: https://xsolla.com/careers
Location: Mexico
We are looking for a
Business Analyst
to join the
Antifraud area within Customer Care
.
Antifraud is where customers are most likely to feel stressed: suspicious transactions, a stolen card or identity, account blocks, and additional verification. In those moments, customers judge us less by features and more by how fast, clear, and human our response is. We already have strong Support, Antifraud, and Operational teams, but no single owner of the end-to-end antifraud customer experience — the journey crosses multiple teams and tools, which makes it easy for ownership, communication standards, and measurable quality to get fragmented.
In this role, you will turn antifraud CX into a single product: journeys, rules, handoffs, and tooling. You will make the experience measurable through metrics, SLAs, and communication quality, and systematically improve the process as new products and new fraud scenarios emerge.
Challenges that await you:
0–3 months: understand and put the foundations in place
Establishing a baseline for metrics and quality: what we measure today, where the blind spots are, current SLAs, and where the biggest leaks and repeat contacts happen
Running discovery through stakeholder interviews and case reviews, and identifying the key pains and risks across customer experience, operations, and compliance
Building and aligning a prioritized improvement backlog across process and product/tooling, with clear success criteria
3–6 months: deliver improvements and show measurable impact
Leading the first initiatives end to end
Improving communication standards and the customer journey for one or two high-impact scenarios (e.g. disputed transactions, a stolen card, or additional identity verification)
Setting up a sustainable operating cadence: metric monitoring, case and incident reviews, backlog refresh, and recurring alignment rituals with stakeholders
Delivering early measurable wins: faster resolution, fewer repeat contacts and escalations, clearer communication, and less manual work
What makes you a great fit:
2+ years of experience as a Business Analyst / Product manager / Product owner in fintech, banking or consumer digital products
Nice to have a background in Customer Care / Contact Center / Customer Service or background in developing other products for internal customers (Telesales, Collection, Delivery, etc.)
Real experience with backlog management and prioritization across multiple teams and stakeholders
Hands-on UI experience: created new multi-screen user flows, not just made visual tweaks
Ability to write clear and structured product requirements independently; technically fluent and comfortable collaborating with engineers
Data-driven mindset: works directly with data, defines the right tasks for analysts, and can spot dashboard errors
Experience in project management across multiple teams; delivers on time and tracks progress effectively
Strong stakeholder management and expectation-setting skills
A proactive, ownership-driven mindse
B2 or higher English level for effective communication with an international team
Our ways of working:
Innovative Spirit:
A commitment to creativity and groundbreaking solutions
Honest Feedback:
valuing open, transparent communication
Supportive Team:
a strong, collaborative community
Celebrating Achievements:
recognizing our wins together
High-Tech Environment:
a team full of smart and revolutionary people who date to challenge the status quo of incumbent finances
Our benefits:
Relocation support
to
Mexico — with assistance for the employee and their family
Flexible work
from our office or remote
Healthcare
Coverage
Education Budget:
Language lessons, professional training and certifications
Wellness Budget:
Mental health and fitness activity reimbursements
Vacation Policy:
Annual leave and paid sick leave as per applicable policies
Location: Al Khobar, Saudi Arabia
Eram Talent is on the lookout for a Corporate Training & Development Specialist to join our esteemed team in Saudi Arabia. The Corporate Training & Development Specialist will play a vital role in assessing training needs, designing impactful training interventions, and implementing programs that align with strategic business objectives. You will collaborate with leaders across departments to identify skills gaps and develop training solutions tailored to enhance employee performance and career development.
Key Responsibilities:
Design and introduce the company’s training and development framework, policies, and standards.
Analyze and identify competency and skill gaps through performance data, surveys, and discussions with management.
Develop a long-term training roadmap aligned with business strategy and workforce planning.
Create and implement digital onboarding and learning programs leveraging technology (e.g., LMS, e-learning tools).
Develop and maintain engaging training materials, manuals, and visual aids.
Evaluate the effectiveness of programs, trainers, and learning content, recommending improvements.
Manage the annual training budget and forecast future learning investments.
Build partnerships with external training providers and certification bodies.
Prepare and present reports and dashboards on training outcomes and employee skill progress.
Support managers and supervisors in applying coaching and learning techniques within their teams.
Promote a culture of continuous learning across the organization.
Requirements
Bachelor’s degree in Human Resources Management, or equivalent from a recognized and accredited university is required.
A minimum of 8 years of experience in corporate training and development.
Strong expertise in designing and delivering effective training programs tailored to business needs.
Excellent presentation and facilitation skills, with the ability to engage diverse learners.
Strong analytical skills to assess training effectiveness and identify areas for improvement.
Exceptional communication skills, both written and verbal.
Experience with Learning Management Systems (LMS) and other training technologies.
Knowledge of adult learning principles and instructional design methodologies.
Ability to work collaboratively with various teams within the organization.
Proficiency in both English and Arabic is preferred.
A proactive approach to fostering employee development and enhancing organizational performance.
Location: Dubai, United Arab Emirates; Abu Dhabi, United Arab Emirates; Ras Al-Khaimah, United Arab Emirates; Fujairah, United Arab Emirates; Umm Al Quwain, United Arab Emirates
Our client an award winning western restaurant group is looking for an experienced butcher to join their team and expansion project.
DUTIES & RESPONSIBILITIES:
Must be aware and ensure that he and his co – workers follow company hygiene procedures. The communications to the Executive Chef, Sous Chef and the Stock Controller must be in respectful, friendly and professional ways.
Responsible of Checking all Meat and Fish on delivery for quality and Quantity.
In charge of cleanliness of the Meat and Fish preparation rooms and proper storage of all Meat and Fish items in the Freezers and Fridges.
Close communication and contact with the Executive Chef with regard ordering and preparation is obligatory.
The guidelines and requests from the Chef and F&B Manager must be followed in the most efficient way.
All machines and equipment must be kept in good repair and must be handled with care at all times.
Report any maintenance requirements to the relevant personnel.
Be present during the sanitation inspections of your areas.
The Butcher must be fully aware of the company controlling and food preparation procedures e.g. portion control, as outlined in the F&B manual.
Daily contact and exchange of information with the Executive Chef or Sous Chef is obligatory.
Requirements
Must have worked at least for 3 Years as a Butcher in Hotels, Restaurants or on Cruise ships.
Must be able to prepare all meats and fish products specified in company standards.
Must have a Culinary Certificate from a recognized institution.
Must be able to deal with quality control, production control, meat and fish storing
Benefits
Basic Monthly Salary: AED 3000 to 3600 depending on experience + 375 Food allowance + 250 to 450 (Service charge Avg) + 600 Credit card tips + cash tips + free Accommodation + Transport + uniforms + Health insurance + air ticket ( once every two years) + Paid leave as per UAE laws
Dubai, United Arab Emirates; Abu Dhabi, United Arab Emirates; Ras Al-Khaimah, United Arab Emirates; Fujairah, United Arab Emirates; Umm Al Quwain, United Arab Emirates
Location: Dhahran, Saudi Arabia
Eram Talent is seeking a skilled Rig Material Expeditor to join our team in Saudi Arabia. As a Rig Material Expeditor, you will be responsible for ensuring the efficient delivery and management of drilling materials to various rig locations. Your role will be crucial in supporting the operations and logistics of our projects in the region.
Key Responsibilities
Rig Material Expeditor shall:
a) Adhere to all Saudi Aramco, D&WO and international HSE standards, policies and administrative controls.
b) Monitors the progress and shipment of drilling material. Obtains and inputs order status information in to system.
c) Maintains material and parts inventory and status information to expedite movement of material and parts between production areas, per predetermined production schedules and maintains order priorities.
d) He reads production schedules, inventory reports, and work orders to determine type and quantity of materials required, availability of stock, and order priority. Maintains Material Status, checks discrepancies etc.
e) He distributes materials to specified production areas, manually or using handcart, hand truck, or forklift. He may also drive truck to outlying work areas to check status of orders or to deliver materials.
f) Conducts a daily review of assigned expeditor workload queue to ascertain which orders are to be actioned based on delivery date priorities.
g) Consolidates orders by vendors, in order to minimize the number of Contracts, and contracts the vendor status information or to Expedite material. Maintains constant contact with major vendors who routinely have large number of open orders.
h) Enters and maintain current order/LDOR status information in system.
i) Identifies as early as possible, any delays which may cause a delay in vendor’s delivery date, and advises as required.
j) Reviews conflicting delivery requirements and assures that orders are delivered in the most cost effective manner to Saudi Aramco.
k) Monitors the status and delivery of material and inspection certificates.
l) Periodically advises the supervisor on overall vendor performance for each vendor with whom the expeditors has regular contact.
m) Prepare written reports of poor vendor performance.
n) Maintains records and files and perform related clerical duties as necessary.
o) Prepare tables, indices, charts, graphs and other visual aids for use in presentations.
p) Assists in the preparation of various reports as requested by the superintendent / Supervisor.
Requirements
High school diploma or equivalent; relevant certification is a plus acceptable to Saudi Aramco.
2-3 years of experience in material expediting or inventory management, preferably in the oil and gas sector.
Proficient in using Microsoft Office and materials management software.
Strong analytical and organizational skills with attention to detail.
Effective communication skills in English, both written and verbal.
Able to work collaboratively in a team environment and handle multiple tasks.
Familiarity with HSE standards and procedures related to materials management.
Willingness to adapt to the dynamic nature of the offshore work environment.
Location: Rome, Italy; Lisbon, Portugal; Berlin, Germany; Paris, France; Madrid, Spain
Müller's Solutions is looking for a talented BMC Helix Integration / Automation Specialist to join our dynamic team remotely. In this pivotal role, you will be tasked with creating and implementing automation solutions using BMC Helix integration tools. Your contributions will be essential in streamlining operations and enhancing client satisfaction through effective integration strategies.
Key Responsibilities:
Develop and implement integration solutions utilizing BMC Helix to facilitate smooth data exchanges across various applications.
Create automation workflows aimed at improving operational efficiencies and reducing manual tasks.
Engage with clients to understand their unique requirements and translate these into technical specifications for integration.
Perform ongoing monitoring and troubleshooting of integration systems to ensure continuous improvement and reliability.
Document and maintain detailed records of integration processes, workflows, and operational guidelines.
Keep abreast of new features and best practices related to BMC Helix and integration technologies.
Requirements
Qualifications:
Bachelor's degree in Computer Science, Information Technology, or a related discipline.
3+ years of experience in integration or automation roles, specifically with BMC Helix.
Comprehensive understanding of integration frameworks, methodologies, and tools.
Proven experience in creating automation scripts and workflows.
Proficiency in programming languages such as Python, Java, or equivalent.
Familiarity with RESTful APIs, web services, and data exchange protocols.
Strong analytical, troubleshooting, and problem-solving capabilities.
Exceptional communication skills to collaborate effectively with clients and team members.
A self-starter who can work independently and manage multiple tasks effectively in a remote setting.
Experience with cloud services and platforms is advantageous.
Location: Dhahran, Saudi Arabia
Eram Talent is on the lookout for a highly skilled Analyzer Technician Specialist to join an esteemed organization in Saudi Arabia. As a leader in Talent Acquisition, Eram Talent is dedicated to connecting top-tier professionals in the Oil & Energy sector with outstanding career opportunities. The Analyzer Technician Specialist will be pivotal in maintaining and optimizing analytical instrumentation within various industrial processes.
The successful candidate will be responsible for the installation, calibration, troubleshooting, and maintenance of advanced analyzers, including but not limited to gas chromatographs, total sulfur analyzers, and moisture analyzers. This role demands a high level of technical expertise and the ability to mentor and guide junior technicians.
Responsibilities
Install, maintain, and calibrate a variety of analytical instruments to ensure accurate and reliable operation.
Conduct preventive maintenance and troubleshoot analyzer issues to minimize downtime and ensure optimal performance.
Develop and implement maintenance schedules based on manufacturers' specifications and best practices.
Interpret technical documentation, including data sheets, vendor manuals, and schematic diagrams.
Actively participate in safety audits and ensure compliance with safety regulations and standards.
Provide technical support and training to junior technicians and operations staff.
Maintain detailed records of maintenance activities and performance metrics for analyzers.
Work collaboratively with engineering, operations, and quality assurance teams to resolve technical issues and improve analyzer performance.
Stay updated on the latest technologies and advancements in analytical instrumentation.
Requirements
Associate degree or technical diploma in Instrumentation, Chemical Engineering, or a related field.
A minimum of 5 years of experience as an Analyzer Technician in the Oil & Energy industry.
Extensive knowledge of analytical instruments such as gas chromatographs, moisture analyzers, and spectroscopy equipment.
Proficient or knowledge in the below :
ABB gas chromatographPGC5000A .
AMETEK ( IPS4 , 888,920 & 931).
MERCURY PSA NATURAL GAS ONLINE Hg .
MOISTURE (OPTEK ; C4221 CONVERTER / TF16-EX-HT-N ) (MICHELL ; QMA601 / QMA601-SYS-I , EA-XP-TX / ES70G-I &EASI DEW RPO XP ) (GE PANAMETRICSMOISTURE IQ )
ICON HC CONDENSATE .
HACH ; B3500C (TOTAL ORGANIC CARBON).
OXYGEN (SERVOMEX ; SERVOTOUGH OXY1900 ) (SERVOMEX ;LASER3 PLUS 7930 )
DURAG ; D-R 290 & LASERCEM , D-R 290 & D-FL 100.
HOBRE ; WINCOMPASS XPRES
CHLORINE ; ABB AW40
Advanced Sensor ; X-One-DP
OPTEK ;C4221 CONVERTER / TF16-EX-HT-N
BARTEC ORB ; P-700-1600
ANALYTICAL SYS. KECO ; 205HV
SERVOMEX ; SPECTRAEXACT2500 (CEMS - CO2
leadDhahran, Saudi Arabia; Doha, Qatar; Muscat, Oman; Kuwait City, Kuwait; Mumbai, India
ОфисLimassol, Cyprus; EU-based employment contract and a 3-year Cyprus work visa with full support for your relocation and visa processes, including assistance for your family; Full relocation package: flights to Limassol for you and your family, a company-covered apartment for the first month, and full relocation support to make your move smooth and hassle-free
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