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Location: Nicosia, Cyprus Workplace: hybrid At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently looking for a Junior Audit Specialist to join one of our clients' growing team in Nicosia, Cyprus . This is an excellent opportunity for someone looking to build a career in Audit, Accounting, and Advisory within a supportive environment that offers professional development, ACCA support, and long-term career growth. Your Responsibilities As a Junior Audit Specialist, you will support the audit team throughout the entire audit process while developing your technical and professional skills. Your responsibilities will include: Participating in external audit engagements for clients across various industries. Performing audit procedures in accordance with International Standards on Auditing (ISA) . Assisting in the preparation of financial statements in line with International Financial Reporting Standards (IFRS) . Conducting analytical reviews and documenting audit findings. Supporting the preparation of audit reports and working papers. Reviewing financial information and identifying inconsistencies or potential risks. Developing a strong understanding of accounting principles, auditing standards, and financial reporting requirements. Collaborating closely with senior auditors and other team members to ensure audit assignments are completed accurately and on time. Building strong technical knowledge through continuous learning and professional development. To be successful in this role, you should have: Bachelor's degree in Accounting, Finance, or a related field . 1–2 years of experience in Audit or Accounting is considered an advantage. Currently pursuing, or willing to pursue, the ACCA qualification . Good understanding of accounting principles and financial reporting. Strong analytical, organizational, and problem-solving skills. Excellent communication skills and the ability to work effectively within a team. Fluency in Greek and English , both written and spoken. A proactive attitude, eagerness to learn, and strong attention to detail. What You'll Receive Our client offers an environment where you can grow both professionally and personally, including: Competitive salary package. 13th salary and performance bonus. Full ACCA sponsorship, including tuition fees, exam fees, and study leave. Flexible working hours. Hybrid working model with work-from-home every Friday . Friday afternoon off. Free parking. Friendly, collaborative, and supportive team culture. Clear career progression and continuous learning opportunities.

Location: Barcelona, Spain; Budapest, Hungary; Düsseldorf, Germany; Frankfurt, Germany; Krakow, Poland; Krosno, Poland; Liège, Belgium; Lille, France; Vilnius, Lithuania; Ljubljana, Slovenia; Lublin, Poland; Lyon, France; Madrid, Spain; Città Vittoriosa, Malta; Podgorica, Montenegro; Poland; Sarajevo, Bosnia and Herzegovina; Banská Bystrica, Slovakia; Sofia, Bulgaria; Stuttgart, Germany; Tenerife, Spain; Wien, Austria; Warsaw, Poland; Zagreb, Croatia; Zürich, Switzerland; Petten, Netherlands; Aachen, Germany; Athens, Greece; Augsburg, Germany; Bad Homburg, Germany; Baden-Baden, Germany; Berlin, Germany; Bolzano, Italy; Bordeaux, France; Bratislava, Slovakia; Bromolla, Sweden; Brussels, Belgium; Bucuresti, Romania; Bucharest, Romania; Buenos Aires, Argentina; Dusseldorf, Germany; Hamburg, Germany; Hannover, Germany; Luxembourg; Amsterdam, Netherlands; Pondicherry, India; Ahmedabad, India; Berat, Albania; Delhi, India; Dnipro, Ukraine; Helsinki, Finland; Bangalore, India Workplace: remote At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Senior Formal Verification (FV) Engineer to join one of our clients' teams. Reporting directly to the Vector Unit Verification Lead, this is a highly technical Individual Contributor (IC) role. In this position, you will be the dedicated formal expert for the VU team, responsible for designing scalable formal testbenches, writing mathematical properties, and ensuring the absolute algorithmic and architectural integrity of our vector pipeline. You will work side-by-side with VU microarchitects to hunt down deep corner-case bugs and achieve formal sign-off on high-complexity arithmetic and execution blocks. Key Responsibilities Block-Level Execution & Convergence Engineering (90%) End-to-End Testbench Ownership: Design, deploy, and maintain robust formal verification environments for complex Vector Unit sub-blocks (e.g., Vector Execution Pipelines, Vector Register File/Rename interfaces, and Vector Floating-Point Units). Datapath & Arithmetic Verification: Implement advanced word-level modeling, bit-blasting, and algebraic rewriting strategies to verify complex IEEE-754 floating-point and integer vector arithmetic units. Proof Convergence Management: Independently diagnose and resolve proof-convergence failures, over-constraints, and state-space explosions using advanced reduction techniques (e.g., case-splitting, black-boxing, and abstraction modeling). RISC-V Vector Compliance: Develop formal environments to mathematically prove that the VU pipeline strictly complies with the RISC-V Vector (V) Extension specification. Simulation Partnership: Collaborate closely with VU simulation engineers to define a razor-sharp boundary between simulation and formal verification, ensuring maximum bug-hunting efficiency and zero coverage gaps. Embedded Mentorship & Best Practices (10%) Formal-Friendly Design: Partner with VU microarchitects during early-stage RTL development to drive formal-friendly coding styles and structural design patterns. SVA Propagation: Review and refine SystemVerilog Assertions (SVA) written by design and simulation peers, establishing best practices for block-level assertions within the VU team. Education: B.S./M.S. in Computer Engineering, Electrical Engineering, or Computer Science with practical industry execution; or a Ph.D. with a research focus on formal methods or computer arithmetic. Experience: 5+ years of production-grade hardware verification experience (or Ph.D. + 1–3 years) with a strong, proven track record of applying formal verification to CPU, GPU, or DSP execution pipelines. Collaboration Style: A self-driven engineer who enjoys deep mathematical puzzles, collaborates seamlessly within a localized block-level team, and can translate complex proof counter-examples into actionable bugs for designers. Datapath Validation Focus: Strong specialization in arithmetic formal verification, algebraic rewriting, and word-level modeling. Familiarity with control-path formal techniques (liveness, safety properties) is highly welcome. Vector Microarchitecture: Good working knowledge of high-width execution pipelines, vector execution units, or floating-point/integer arithmetic hardware. Experience with Out-of-Order execution mechanics is a plus. Formal Tools: Proficient command of commercial EDA formal tools (e.g., Cadence JasperGold/DPV, Synopsys VC Formal, Siemens OneSpin) and their specialized mathematical/datapath apps. Languages: Native fluency in SystemVerilog and SystemVerilog Assertions (SVA). Scripting proficiency (Python, Tcl, or Bash) for testbench automation. Nice to Have RISC-V Core Verification. RISC-V Ecosystem: Familiarity with the RISC-V Architecture, specifically the Vector (V) and Floating-Point (F/D) extension ecosystems. Emulation platforms (Veloce, ZeBu). Core/Bus interface protocols (e.g., AXI/CHI).

Location: Barcelona, Spain; Bordeaux, France; Grenoble, France; Lille, France; Lyon, France; Montpellier, France; Nantes, France; Paris, France; Toulouse, France; Bolzano, Italy; Rome, Italy; Aachen, Germany; Augsburg, Germany; Bad Homburg, Germany; Baden-Baden, Germany; Bergisch Gladbach, Germany; Berlin, Germany; Darmstadt, Germany; Bramsche, Germany; Bielefeld, Germany; Bernau, Germany; Chemnitz, Germany; Dresden, Germany; Dusseldorf, Germany; Düsseldorf, Germany; Geoergsmarienhütte, Germany; Freiburg, Germany; Frankfurt, Germany; Essen, Germany; Atlanta, United States; Austin, United States; Boca Raton, United States; Boston, United States; Chicago, United States; Columbus, United States; Dallas, United States; Detroit, United States; Florida City, United States; Houston, United States; Los Angeles, United States; Kirkland, United States; Kansas City, United States; Indianapolis, United States; Miami, United States; Milwaukee, United States; Minneapolis–Saint Paul, United States; New York, United States; Newark, United States; Redmond, United States; Sacramento, United States; San Francisco, United States; San Jose, United States; Seattle, United States; St. Louis, United States; Richmond, United States; Vacaville, United States; Tampa, United States; Fatorda, India; Hyderabad, India; Bangalore, India; Mumbai, India; Pondicherry, India; Ahmedabad, India; Delhi, India; Batumi, Georgia; Tbilisi, Georgia; Antalya, Türkiye; Porto, Portugal; Lisbon, Portugal; Buenos Aires, Argentina Workplace: remote At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a IP Verification Engineer to join one of our clients ' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you. Responsibilities: Develop a verification plan based on the specification. Build verification infrastructure for the block. Develop tests, stimulus, and checkers based on the test plan. Achieve 100% regression and functional coverage. University degree in Electrical Engineering or a related field. 5+ years of experience in UVM-based verification of complex IPs. Proficiency in developing verification environments from scratch. Knowledge of AXI protocols. Nice to have prior experience in verification of multicore designs.

Location: Erevan, Armenia; Batumi, Georgia; Tbilisi, Georgia Workplace: remote At TechBiz Global, we are providing recruitment services to our TOP clients from our portfolio. We are looking for a Junior Java Developer(Remote) for our client’s growing team and work closely with clients to drive success. This is a remote position only from Armenia, Georgia and Turkey. 1+ years of hands-on software development experience Proven professional experience with Java development Solid understanding of Object-Oriented Programming (OOP), analysis, and design principles , including common design patterns Good knowledge of SQL and working with relational databases Experience with the Spring Framework / Spring Boot Good command of English , both written and spoken Responsibilities Participate in the design, development, testing, and maintenance of Java-based applications Write clean, efficient, and well-documented code following best practices and coding standards Support the development of backend services and APIs using Java and the Spring Framework Collaborate with cross-functional teams, including product, QA, and senior developers, to deliver high-quality software solutions Assist in troubleshooting, debugging, and resolving technical issues Contribute to database-related tasks, including writing and optimizing SQL queries Take part in code reviews and learn from feedback to continuously improve code quality

Location: Birżebbuġa, Malta Workplace: on-site At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Senior Finance Executive to join one of our clients ' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you. Responsibilities: Preparation of Monthly Management Accounts Compile Malta VAT Returns and VAT Recapitulative Statements Compile VAT reports for external tax consultants to submit VAT Returns for foreign VAT Registrations. Ensuring secretarial compliance with MBR incl BO Declarations, Annual Returns etc) Compliance with Transfer Pricing regulations Compile surveys and other documents required by the NSO Liaise with banks (local and foreign) on KYC exercises. Assist with compilation of other statutory applications and documents (eg government grants) Assist with cashflow monitoring and forecasting. Assist with Finance Audits Prepare adhoc reports. And any other tasks assigned by supervisor Bachelor’s degree in Finance, Accounting, Economics, or related field Professional certification such as ACCA Strong knowledge of financial reporting standards Advanced Excel skills (pivot tables, financial models, data analysis) Strong analytical and problem-solving skills High attention to detail and accuracy

Location: Gżira, Malta; Città Vittoriosa, Malta; Għaxaq, Malta; Msida, Malta; Naxxar, Malta Workplace: on-site At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Health and Safety Manager to join one of our clients ' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you. Responsibilities: Develop, implement, and maintain Health & Safety policies, procedures, and management systems. Conduct and review risk assessments, ensuring appropriate control measures are implemented. Ensure compliance with Maltese Health & Safety legislation and company standards. Lead workplace inspections, audits, and safety investigations. Identify hazards and drive corrective and preventive actions. Deliver Health & Safety training, inductions, and awareness programmes. Manage contractor safety and permit-to-work systems. Monitor and report on Health & Safety performance, KPIs, incidents, and trends. Promote a positive safety culture through employee engagement and continuous improvement Degree, Diploma, NEBOSH, IOSH, or equivalent qualification in Occupational Health & Safety. Experience in a Health & Safety management role, preferably within manufacturing, pharmaceutical, engineering, or industrial environments. Strong knowledge of Maltese Occupational Health & Safety legislation and regulatory requirements. Proven experience conducting risk assessments, incident investigations, and internal audits. Excellent communication and stakeholder management skills. Ability to influence, coach, and engage employees at all levels of the organisation. Strong analytical, organisational, and problem-solving abilities. Proficiency in Microsoft Office applications and reporting tools.

Location: Aya Napa, Cyprus; Larnaca, Cyprus; Limassol, Cyprus; Nicosia, Cyprus; Paphos, Cyprus; Paralimni, Cyprus Workplace: remote At TechBiz Global, we are providing recruitment services to our TOP clients from our portfolio. We are looking for a motivated Publisher Manager to for our client’s growing team and work closely with clients to drive success in their online marketing campaigns. The Publisher Manager is responsible for onboarding, maintaining, and scaling relationships with company’s publisher partners. You will work directly with tech and sales teams to ensure proper XML/API integrations, maximize fill rates, optimize monetization setups, and expand our global publisher footprint. This is a role for a technically-savvy, results-oriented professional who thrives in a dynamic performance marketing environment. Key Responsibilities: Publisher Onboarding & Management Recruit and onboard new publishers (direct & programmatic) Ensure smooth integration via XML, API, or tag-based methods. Maintain active relationships with top-tier supply partners. Optimization & Monetization Monitor performance metrics (fill rate, eCPM, RPM, CTR) to ensure monetization is optimized across all placements. Troubleshoot revenue dips or delivery issues in real-time with internal dev teams. Work closely with the advertiser team to map supply to converting demand sources. Demand Integration Collaborate with demand team to match premium demand sources to publisher inventory. Work with XML / RTB / header bidding integrations to maximize supply value. Technical & Strategic Oversight Review and optimize traffic quality signals. Oversee ad quality, compliance, and appropriate targeting by vertical and geo. Use internal dashboards, AdKernel tech, and 3rd-party analytics tools to monitor performance. Growth & Retention Identify upsell or scale opportunities within existing publisher accounts. Support reactivation campaigns for dormant or low-performing partners. 2–5 years of experience in a Publisher Manager or Supply role at an ad network, SSP, or ad exchange. Deep familiarity with XML feeds, RTB integrations, OpenRTB protocols, and monetization platforms. Proven ability to manage publisher performance, revenue optimization, and technical onboarding. Analytical skills with a strong grasp of eCPM, RPM, fill rate, viewability, and related metrics. Comfort working with traffic verification tools (e.g., GeoEdge, AdScore) and resolving compliance issues. Excellent communication skills in English — both written and verbal. Bonus Skills: Hands-on experience with AdKernel or similar ad-serving platforms. Familiarity with monetizing mobile, desktop, and in-app traffic. Experience working across push, pop, or in-page push formats. SQL or BI tool proficiency for deeper performance analysis. What We Offer: Competitive salary & performance bonuses Flexible work hours & hybrid/remote options Opportunity to shape the growth of a fast-moving ad tech company Work alongside an experienced and fun team passionate about advertising and performance

Location: Limassol, Cyprus Workplace: remote At TechBiz Global, we are providing recruitment services to our TOP clients from our portfolio. We are looking for a motivated Ad Network Account Manager to for our client’s growing team and work closely with clients to drive success in their online marketing campaigns. Key Responsibilities: Client Portfolio Management : Build and grow a portfolio of online advertising clients. Develop strong relationships with clients to ensure retention and satisfaction. Campaign Analysis & Optimization : Monitor client campaigns regularly to identify performance gaps and propose actionable improvements. Generate and interpret campaign reports using tools like Excel, Google Sheets, and other web analytics platforms. Client Support : Act as the first point of contact for your clients, providing support via chat, email, and tickets. Collaborate with internal teams (e.g., publishers) to resolve issues and meet client needs. Market Research & Strategy : Research trends, competitor strategies, and new opportunities to help clients achieve their goals. Qualifications: Essential : Strong written and spoken English communication skills. Proven comfort with online tools and platforms (Google Sheets, web analytics, etc.). Basic understanding of online advertising or digital marketing concepts. A proactive, sales-oriented mindset with a focus on achieving results. Preferred : Certifications from recognized marketing platforms (Google Academy, Facebook Blueprint, etc.). Experience in customer-facing roles (sales, support, or account management). Familiarity with online marketing metrics (CPC, CTR, CPA, ROI). Who You Are: Eager to Learn : Excited to build a career in online marketing and grow in a fast-paced, dynamic environment. Data-Savvy : Comfortable working with numbers and generating actionable insights. Tech-Savvy : Quick to adopt new tools and use AI or automation to boost efficiency. Excellent Communicator : Skilled at managing client relationships and aligning internal resources to meet client needs. Team Player : Collaborative, solution-oriented, and willing to contribute to shared goals. What We Offer: Hands-on experience in online advertising and digital marketing. A supportive environment with opportunities for growth and learning. Collaboration with an international team of marketing professionals

Location: Berlin, Germany Workplace: hybrid At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking an Founder's Associate/Executive Assistant to CEO specialist to join one of our clients ' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you. A newly funded cybersecurity startup in Berlin is looking for a Founder's Associate(Operations & Growth)/Executive Assistant to CEO to join as a team member and help to build startup foundations of a next-generation AI-powered security risk management platform. Key Responsibilities Act as the primary operational founder associate to the Founder & CEO and grow the company together Own and help running day-to-day company operations across HR, finance, admin, and internal processes Own financial reporting, planning, and key metrics, ensuring transparency, clarity, and reliability Take ownership of company wide projects such as developing an AI pricing model or leading expansion into the next three countries Assist the founders with strategic topics , including investor relations, board preparation, and key hiring decisions. Take care of administrative work like manage CEO calendar, priorities, meetings, business travel and follow-ups to maximize focus and execution Support HR, including hiring logistics, onboarding, offboarding, and people administration Support Finance, includinginvoicing, expense tracking, payments, and coordination with external accountants Support PR , communications, social accounts and external coordination (partners, vendors, events, announcements) Support Sales , Prepare internal documents, reports, presentations , and ad-hoc materials for management and stakeholders Ensure operational hygiene, deadlines, and compliance across the company 2+ years of experience in startup doing one of the following: HR, finance, operations, PR, Sales, business support, or executive assistance roles. We can accept also entry level candidates without experience if the culture fit is right. Strong organizational skills and can do Attitude with the ability to manage multiple priorities independently Excellent written and verbal communication skills in English Excellent written and verbal communication skills in German High level of discretion, trustworthiness , and attention to detail Strong execution mindset and ability to operate under ambiguity Comfortable working directly with founders and senior stakeholders Ability to build things from scratch at early stage startup High ownership mentality, startup mindset, and ability to move quickly. Experience in startup or scale-up environments Low ego, high commitment, and a true tech startup mentality . Strong problem-solving skills and ability to work in a collaborative environment. Experience with social media management . Familiarity with German employment basics or EU labor processes Comfortable working under direct supervision and ready to engage in business discussions when needed. Nice-to-have requirements Experience supporting a CEO or senior executive in a fast-paced environment Experience in early-stage startups founder-led companies Exposure to PR, communications, or employer branding activities Design skills and knowledge in design tools Proficiency in at least one additional language, ideally Russian or Hebrew Background in analytics Background in sales Public speaking experience and confidence presenting to audiences You are a fan of rock or metal music

Location: Rishon Lezion, Israel; Tel Aviv, Israel; Jerusalem, Israel Workplace: on-site At TechBiz Global, we are providing recruitment services to our TOP clients from our portfolio. We’re looking for an experienced and energetic Performance Manager / Media Buyer to grow our client’s performance advertising activity. You’ll be responsible for onboarding new performance advertisers and affiliates, managing active campaigns, signing IOs, optimizing traffic sources, and promoting offers internally to media buying and publisher teams. This is a high-impact, hands-on role for someone who understands affiliate marketing dynamics, works fast, and can grow accounts while keeping performance goals in check. Key Responsibilities: Advertiser Onboarding & Account Growth Handle full-cycle onboarding for performance advertisers and affiliate partners Sign insertion orders (IOs), review offer terms, payouts, caps, and tracking setup Ensure proper tracking (S2S/Postback or pixel) and attribution Media Buying & Optimization Pull offers and onboard traffic sources that best match vertical, geo, and KPI Launch and monitor campaigns via EZmob’s internal tools Analyze KPIs (e.g., CR, EPC, ROI, CPA) to optimize performance Communication & Reporting Act as point-of-contact for assigned advertisers and affiliates Provide daily/weekly reporting and recommendations to clients Help troubleshoot postback issues or underperforming traffic flows 2+ years in a performance marketing (Advertiser/Affiliate Manager, Account Manager, Media Buyer, etc.) Experience signing and managing IOs, tracking postbacks, managing payouts, and running campaigns on CPA/CPL/CPI models Strong understanding of affiliate landscape Strong data skills Excellent communication, multitasking, and relationship-building skills Fluent in English (written and spoken); additional languages a plus Bonus Points for Experience With: Platforms: Tracking / BI / Affiliate Programs / Ad Networks Google Ads / Meta Certification and past experience in direct media buying What We Offer: Competitive base salary + performance-based bonuses Opportunity to build a team and business unit from the ground up. Fast-track growth in a company that’s scaling globally Exposure to top-tier partners and high-volume campaigns

Location: Morocco Workplace: remote At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking an Customer Experience Agent specialist to join one of our clients ' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you. Responsibilities: Handle customer inquiries across phone, email, and chat in English and one additional language (French). Assist customers with product information, order status, billing concerns, tracking, returns, exchanges, and general account support. Investigate, troubleshoot, and resolve customer issues by identifying root causes and providing clear solutions. Ensure accurate documentation of all customer interactions in CRM or support tools. Stay updated on processes, policies, and product information to provide consistent and accurate support. Meet performance expectations related to quality, responsiveness, and customer satisfaction. Have 2-4 years of experience in customer service or any customer-facing support role. Are fluent in English and French (spoken and written). Have strong communication skills with the ability to explain solutions clearly and professionally. Are customer-focused, empathetic, and solution-oriented. Can handle multiple channels and tasks in a fast-paced environment. Have experience using tools such as Zendesk, Salesforce, Shopify, or similar platforms (a plus, not required). Technical Requirements: Internet connection: High-speed internet required — minimum 20 Mbps or fiber connection. Computer / laptop: Employees must use a genuine, supported business laptop with built-in hardware security and full-disk encryption enabled. Unsupported, modified, bypass-installed, rooted, or jailbroken operating systems are not permitted. - Windows: Windows 11 (preferably Windows 11 Pro), 2021 model or newer, with TPM 2.0 enabled and BitLocker / Windows Device Encryption turned on. - Mac: Apple MacBook / Mac, 2020 model or newer, preferably Apple Silicon M1 or newer, running a supported macOS version with FileVault enabled. - RAM: Minimum 8 GB (16 GB preferred) Noise-canceling headset Power and internet backup required

Location: Krakow, Poland; Krosno, Poland; Lublin, Poland; Poland; Poznan, Poland; Warsaw, Poland; Pilsen, Czechia; Praha, Czechia; Riga, Latvia; Vilnius, Lithuania; Athens, Greece; Crete, Greece; Budapest, Hungary; Miskolc, Hungary; Brussels, Belgium; Liège, Belgium; Mons, Belgium; Namur, Belgium; Sofia, Bulgaria; Bordeaux, France; Grenoble, France; Lille, France; Lyon, France; Montpellier, France; Nantes, France; Paris, France; Toulouse, France; Baden-Baden, Germany; Bad Homburg, Germany; Augsburg, Germany; Aachen, Germany; Bergisch Gladbach, Germany; Berlin, Germany; Bernau, Germany; Bielefeld, Germany; Bramsche, Germany; Chemnitz, Germany; Darmstadt, Germany; Dresden, Germany; Dusseldorf, Germany; Düsseldorf, Germany; Essen, Germany; Frankfurt, Germany; Freiburg, Germany; Geoergsmarienhütte, Germany; Görlizt, Germany; Göttingen, Germany; Greifswald, Germany; Halle, Germany; Hamburg, Germany; Hannover, Germany; Heinsberg, Germany; Karlsruhe, Germany; Kiel, Germany; Koln, Germany; Leipzig, Germany; Leverkusen, Germany; Lingen, Germany; Magdeburg, Germany; Mainz, Germany; Mittenwalde, Germany; Munich, Germany; Münster, Germany; Neu-Ulm, Germany; Neuruppin, Germany; Neuss, Germany; Nuremberg, Germany; Osnabrück, Germany; Paderborn, Germany; Potsdam, Germany; Quedlinburg, Germany; Rimbach, Germany; Rostock, Germany; Schwerin, Germany; Stuttgart, Germany; Ulm, Germany; Varel, Germany; Viechtach, Germany; Warendorf, Germany; Wiesbaden, Germany; Wuppertal, Germany; Lisbon, Portugal; Porto, Portugal; Zagreb, Croatia; Sarajevo, Bosnia and Herzegovina Workplace: remote At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking an Senior AI DevOps / LLMOps specialist to join one of our clients ' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you. Key Responsibilities Automation of Build-to-Production - Design and implement robust CI/CD pipelines tailored for AI, covering model weights, dataset versioning, and application code. - Develop specialized workflows for PromptOps, ensuring that system prompts are version-controlled, tested for regressions, and deployed with the same rigor as traditional code. -Automate the deployment of Agentic workflows, managing the complexities of stateful AI interactions and multi-agent handoffs. 2. AI Infrastructure as Code (IaC) - Provision and manage high-performance compute environments (GPU clusters, TPU pods) using Terraform, Pulumi, or Ansible. - Define and enforce Policy-as-Code for AI endpoints to ensure compliance with security, cost-usage limits, and data residency requirements. - Maintain a consistent environment across Hybrid Infrastructure, ensuring seamless parity between On-Premises development and Cloud production. 3. Safe Experimentation & Controlled Releases - Architect Progressive Delivery strategies for AI, including Canary releases, Blue-Green deployments, and Shadowing (where new models run in parallel with production to compare outputs). - Build “Evaluation-in-the-Loop” gates within the pipeline to automatically test for bias, hallucination, and performance degradation before a release. - Implement A/B testing frameworks specifically designed for LLM outputs and agentic behavior. 4. Monitoring & Observability - Establish deep observability into Inference Endpoints, tracking metrics like tokens-per- second, latency, and drift in model accuracy. -Integrate feedback loops that capture production “edge cases” to feed back into the training and fine-tuning pipelines. Must-Have Technical Skills: -Orchestration: Advanced Kubernetes (K8s) skills, specifically with KubeFlow, Ray, or NVIDIA Triton. -CI/CD & IaC: Expertise in GitHub Actions/GitLab CI, and Terraform or Pulumi. - AI Tooling: Experience with Weights & Biases, MLflow, LangSmith, or Arize Phoenix. -Hardware: Understanding of GPU virtualization, CUDA drivers, and on-premises hardware management. -Security: Familiarity with Open Policy Agent (OPA) and secret management (Vault). Experience: - 10+ years in DevOps, SRE, or Cloud Engineering. - 2+ years of hands-on experience in MLOps or LLMOps, specifically moving LLMs from notebook to production. -Proven experience managing Hybrid Cloud environments (e.g., AWS/Azure + Private Data Center).

Location: Barcelona, Spain; Madrid, Spain; Tenerife, Spain; Bolzano, Italy; Rome, Italy; Budapest, Hungary; Miskolc, Hungary; Petten, Netherlands; Krakow, Poland; Krosno, Poland; Lublin, Poland; Poland; Poznan, Poland; Warsaw, Poland; Bratislava, Slovakia; Bucharest, Romania; Bucuresti, Romania; Ljubljana, Slovenia; Vilnius, Lithuania; Nicosia, Cyprus; Pilsen, Czechia; Podgorica, Montenegro; Praha, Czechia; Banská Bystrica, Slovakia; Sofia, Bulgaria; Zagreb, Croatia Workplace: remote At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently looking for a dedicated Lead AI Aplication Engineer to join one of our clients' teams . If you're looking for an exciting opportunity to grow in an innovative environment, this could be the perfect fit for you. Key Responsibilities: Build & Run the Shared AI Platform Architect and maintain a multi-tenant AI Platform that supports the full ML lifecycle across cloud and on-premises environments. Ensure high availability, low latency, and cost-efficiency for all shared AI resources. Implement LLMOps/MLOps best practices, including automated deployment pipelines for models. 2. Curate the AI Services Catalogue Develop and expose "as-a-service" capabilities: Inference-as-a-Service, Embeddings-as-a-Service, and RAG-as-a-Service. Standardize how squads interact with LLMs, providing unified APIs and abstraction layers to prevent vendor lock-in. 3. Manage AI Data Infrastructure Own the deployment and scaling of Vector Databases (e.g., Pinecone, Milvus, Weaviate) and Feature Stores (e.g., Feast, Tecton, Hopsworks). Optimize data retrieval patterns to support real-time AI applications and agentic workflows. Oversee Model Hosting environments, utilizing Kubernetes (K8s) and GPU orchestration to manage compute resources efficiently. 4. Enable Developer Self-Service Build and maintain a Self-Service Portal or CLI that allows product squads to provision AI environments, models, and data stores independently. Reduce "Time-to-Inference" for new features by providing pre-configured templates and blueprints. Conduct internal workshops and provide documentation to empower squads to use the platform effectively. Must-Have Technical Skills Infrastructure: Deep experience with Kubernetes (K8s), Docker, and Terraform/Pulumi. Hybrid Cloud: Proven experience managing workloads across AWS/Azure/GCP and On-Premises (NVIDIA AI Enterprise, OpenShift). AI/ML Tooling: Hands-on experience with vLLM, TGI (Text Generation Inference), or NVIDIA Triton for model serving. Databases: Expertise in Vector DBs and traditional SQL/NoSQL databases. Languages: High proficiency in Python and Go or Rust for platform tooling. Experience 8+ years in Platform Engineering, DevOps, or Site Reliability Engineering (SRE). 2+ years specifically focused on building AI/ML infrastructure or platforms. Experience building Internal Developer Platforms (IDP) is a massive plus.

Location: Berlin, Germany Workplace: hybrid Berlin • Cybersecurity & AI Startup • Recently Funded A newly funded cybersecurity startup in Berlin is looking for a Founder's Associate(Operations & Growth)/Executive Assistant to CEO to join as a team member and help to build startup foundations of a next-generation AI-powered security risk management platform. We are an early-stage startup founded by experienced cybersecurity leaders with backgrounds in Israeli Intelligence units. We are looking for a motivated, dynamic and hands-on Founder's Associate(Operations & Growth)/Executive Assistant to CEO for a hybrid role based in central of Berlin, Potzdamer Platz. If you are passionate about cybersecurity and AI tech, thrive in fast-paced startup environments, and enjoy building processes from the ground up, this is an opportunity to make a real impact. We are seeking a Founder's Associate(Operations & Growth)/Executive Assistant to CEO to support our CEO with finance, general operations, travel, PR, and sales activities. The ideal candidate is energetic, smart, and able to thrive under pressure while managing multiple tasks effectively. The position is hybrid and can be done full time or part time. We can accept also entry level candidates without experience if the culture fit is right. Key Responsibilities Act as the primary operational founder associate to the Founder & CEO and grow the company together Own and help running day-to-day company operations across HR, finance, admin, and internal processes Own financial reporting, planning, and key metrics, ensuring transparency, clarity, and reliability Take ownership of company wide projects such as developing an AI pricing model or leading expansion into the next three countries Assist the founders with strategic topics , including investor relations, board preparation, and key hiring decisions. Take care of administrative work like manage CEO calendar, priorities, meetings, business travel and follow-ups to maximize focus and execution Support HR, including hiring logistics, onboarding, offboarding, and people administration Support Finance, includinginvoicing, expense tracking, payments, and coordination with external accountants Support PR , communications, social accounts and external coordination (partners, vendors, events, announcements) Support Sales , Prepare internal documents, reports, presentations , and ad-hoc materials for management and stakeholders Ensure operational hygiene, deadlines, and compliance across the company Must have skills 2+ years of experience in startup doing one of the following: HR, finance, operations, PR, Sales, business support, or executive assistance roles. We can accept also entry level candidates without experience if the culture fit is right. Strong organizational skills and can do Attitude with the ability to manage multiple priorities independently Excellent written and verbal communication skills in English Excellent written and verbal communication skills in German High level of discretion, trustworthiness , and attention to detail Strong execution mindset and ability to operate under ambiguity Comfortable working directly with founders and senior stakeholders Ability to build things from scratch at early stage startup High ownership mentality, startup mindset, and ability to move quickly. Experience in startup or scale-up environments Low ego, high commitment, and a true tech startup mentality . Strong problem-solving skills and ability to work in a collaborative environment. Experience with social media management . Familiarity with German employment basics or EU labor processes Comfortable working under direct supervision and ready to engage in business discussions when needed. Nice-to-have requirements Experience supporting a CEO or senior executive in a fast-paced environment Experience in early-stage startups founder-led companies Exposure to PR, communications, or employer branding activities Design skills and knowledge in design tools Proficiency in at least one additional language, ideally Russian or Hebrew Background in analytics Background in sales Public speaking experience and confidence presenting to audiences You are a fan of rock or metal music Benefits Competitive Compensation — salary aligned with market, flexible early-stage arrangements possible Fresh Funding Secured — immediate runway to build, hire, and execute fast High Autonomy — freedom to design and build without corporate overhead Work with a Technical CEO — fast iteration, strong alignment, clear direction Cutting-Edge Domain — identity security, SaaS-to-SaaS access, AI agent governance Massive Learning Curve — quickly gain depth in various operational topics Fast Career Path — opportunity evolve into leadership as we scale the team including Chief of Staff position Berlin Location — top-tier tech environment with strong cybersecurity and AI ecosystems Direct Impact — your impact become the foundation of the entire company Best Equipment and Tools - High quality equipment and modern tools to help you do your best work from day one Team Offsites - Regular team offsites designed to build strong connections, alignment, and shared momentum

Location: Berlin, Germany Workplace: hybrid Berlin • Cybersecurity & AI Startup • Recently Funded A newly funded cybersecurity startup in Berlin is looking for a Engineering Team Lead to join as a founding team member and help design the core security, identity, and enforcement foundations of a next-generation AI-powered risk management platform. We are an early-stage startup founded by experienced cybersecurity leaders with backgrounds in Israeli intelligence units. We are looking for a hands-on Founding Engineering Team Lead for a hybrid role based in central Berlin. If you are passionate about cybersecurity and AI, thrive in fast-paced startup environments, and enjoy building complex platforms from the ground up, this is an opportunity to make a real impact. They’re building a next-generation cyber risk platform that helps enterprises understand, measure, and reduce identity risk at scale. Their goal is to turn complex identity and security data into clear, actionable risk insights that CISOs and CTOs can trust. You will work from scratch on core platform components from day one, shaping how modern enterprises manage and reason about risk using cloud-native systems, AI-driven analysis, and automated enforcement through AI agents. Key Responsibilities: Lead and grow a small, high-performing engineering team while remaining hands-on Design, build, and review production backend and platform code alongside the team Own delivery of the engineering roadmap , balancing speed, quality, and security Act as a technical leader by setting architecture direction and enforcing engineering standards Contribute directly to critical features, integrations, and platform foundations Establish lightweight engineering processes that enable fast execution without bureaucracy Mentor engineers through code reviews , pairing, and technical guidance Contribute hands-on in design and build architecture, configure systems, code 70% of the time in GoLang. Remove blockers and unblock delivery across backend, frontend, data, and DevOps Collaborate closely with CEO, CPTO, and product leadership on technical and execution decisions Support hiring , onboarding, and technical evaluation of engineers Foster a culture of ownership, pragmatism, and low ego Build whole Security platform setup from scratch Partner closely with backend and AI engineers to design secure service boundaries and deployment models Troubleshoot and resolve complex production incidents across infrastructure, networking, and application layers Build PoCs and validate infrastructure and security design decisions in an early-stage environment Support compliance readiness by enabling controls, logging, and evidence collection for security frameworks Continuously improve platform cost efficiency , reliability, and operational maturity This role reports directly to CEO & CPTO Must have skills 10+ years of professional software engineering experience 3+ years of experience leading engineering teams while remaining hands-on 3+ years of GoLang experience 3+ years experience with AWS in production environments Strong code quality bar and experience with architectural reviews Ability to context-switch between technical topics and people leadership Strong execution mindset and comfort operating under ambiguity Hands-on coding mentality; can build things from scratch including security architecture yourself Hands-on experience with Docker, Kubernetes (EKS) and containerized workloads Experience with CI/CD pipelines (GitHub Actions or similar) Experience with monitoring, logging, observability (Grafana, OpenTelemetry, Prometheus) Experience with Coding CoPilots (Claude Code, GitHub Copilot, AWS CodeWhisperer, Codex, etc.) Knowledge of Experience supporting production SaaS platforms High ownership mentality, startup mindset, and ability to move quickly Experience in startup or scale-up environments Low ego, high commitment, and a true tech startup mentality Excellent English communication skills Nice-to-have requirements Previous experience as a founding or early-stage Engineering Manager Experience in cybersecurity , identity, or enterprise SaaS platforms Exposure to DevOps, SRE, or data engineering Experience scaling teams and systems simultaneously Experience with security architecture, identity security, or security engineering Familiarity with compliance frameworks (NIS2, DORA, ISO 27001, SOC 2) Understanding of OAuth/OIDC, API tokens, IdP, scopes, SSO, SCIM, roles, RBAC/ABAC, service accounts Familiarity with cloud identity and security controls (e.g. IAM, CloudTrail, Azure Active Directory / Entra ID ) Hands-on with SIEM platforms such as Splunk, Microsoft Sentinel, or IBM QRadar Experience designing permission models, identity graphs, or access control frameworks Knowledge of tokenization, Zero Trust principles , least privilege, and continuous verification Experience with Security related to AI/LLM systems, agent logic, or willingness to learn fast Familiarity with AI agent behavior , LLM security, or agent sandboxing Previous experience in cybersecurity , identity startups You are a fan of rock or metal music Excellent German communication skills Benefits Founding Team Member Equity — ESOPs in a well funded cybersecurity company. Competitive Compensation — salary aligned with market, flexible early-stage arrangements possible. Founding Team Member Status — shape the company from day one and own critical security technical decisions. Fresh Funding Secured — immediate runway to build, hire, and execute fast. Security Contribution — contribute to security tech architecture across identity, AI agents, and enforcement. High Autonomy — freedom to design and build without corporate overhead. Work with a Technical CEO and CPTO — fast iteration, strong alignment, clear direction. Cutting-Edge Domain — identity security, SaaS-to-SaaS access, AI agent governance. Massive Learning Curve — quickly gain depth in cybersecurity, identity, and AI systems. Fast Career Path — opportunity evolve into higher leadership as we scale the engineering team Berlin Location — top-tier tech environment with strong cybersecurity and AI ecosystems. Direct Impact — your architecture and code become the foundation of the entire platform. Best Equipment and Tools - High quality equipment and modern tools to help you do your best work from day one. Team Offsites - Regular team offsites designed to build strong connections, alignment, and shared momentum.

Location: Barcelona, Spain; Petten, Netherlands; Pondicherry, India; Aachen, Germany; Abidjan, Côte d'Ivoire; Abu Dhabi, United Arab Emirates; Ahmedabad, India; Berat, Albania; Alexandria, Egypt; Algiers, Algeria; Alkmaar, Netherlands; Almaty, Kazakhstan; Amersfoort, Netherlands; Amman, Jordan; Amsterdam, Netherlands; Antalya, Türkiye; Astana, Kazakhstan; Asunción, Paraguay; Athens, Greece; Augsburg, Germany; Aya Napa, Cyprus; Bad Homburg, Germany; Baden-Baden, Germany; Baku, Azerbaijan; Bangkok, Thailand; Batumi, Georgia; Belgrade, Serbia; Bergisch Gladbach, Germany; Berlin, Germany; Bernau, Germany; Bielefeld, Germany; Birmingham, United Kingdom; Bishkek, Kyrgyzstan; Bolzano, Italy; Bordeaux, France; Bramsche, Germany; Bratislava, Slovakia; Bromolla, Sweden; Brussels, Belgium; Bryanston, South Africa; Bucharest, Romania; Bucuresti, Romania; Budapest, Hungary; Cairo, Egypt; Cebu City, Philippines; Chemnitz, Germany; Santiago, Chile; Beijing, China; Chișinău, Moldova, Republic of; Bogota, Colombia; Colombo, Sri Lanka; Copenhagen, Denmark; Costa Rica; Havana, Cuba; Darmstadt, Germany; Davao City, Philippines; Delhi, India; Mirpur, Bangladesh; Djibouti; Dnipro, Ukraine; Dresden, Germany; Dublin, Ireland; Dusseldorf, Germany; Düsseldorf, Germany; Emmen, Switzerland; London, United Kingdom; Erevan, Armenia; Essen, Germany; Fatorda, India; Helsinki, Finland; Frankfurt, Germany; Freiburg, Germany; Geoergsmarienhütte, Germany; Görlizt, Germany; Göttingen, Germany; Greifswald, Germany; Grenoble, France; Gżira, Malta; Halle, Germany; Hamburg, Germany; Hannover, Germany; Heinsberg, Germany; Crete, Greece; Ho Chi Minh, Vietnam; Hyderabad, India; istanbul, Türkiye; Istambul, Türkiye; Istanbul, Türkiye; Ankara, Türkiye; Mumbai, India; Karlsruhe, Germany; Kiel, Germany; Koln, Germany; Krakow, Poland; Krosno, Poland; Lagos, Nigeria Workplace: remote At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking an Firmware Engineer specialist to join one of our clients ' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you. As a Senior Firmware Engineer you will work within the Firmware Team and be responsible for developing the embedded software for our semiconductor portfolio. You will work closely with other teams’ highly skilled engineers to guarantee a successful firmware design, which is essential for enabling our future products. Responsibilities: Firmware design Firmware verification Desired knowledge: Experience with Linux (and its drivers) and PCIe devices Solid knowledge and experience in dynamic thermal management (DTM) Knowledge on how to use embedded development tools and associated debug tools Knowledge of compilers (clang, gcc) and linkers Experience with low level embedded firmware development Strong programming and scripting skills (C/C++, Assembler, Python, Perl, Bash) Experience in developing and deploying automation flows using scripting languages Experience on CI Experience on SQA Knowledge of revision control methodology and tools (git, svn) Excellent problem-solving and analytical skills, with the ability to troubleshoot and resolve complex physical design issues Strong communication and interpersonal skills to effectively collaborate with cross-functional teams Ability to adapt to a fast-paced work environment and meet project deadlines Preferred/Valued knowledge: Knowledge of RISC-V Knowledge of processor and SoC architectures Knowledge of the JIRA tool

Location: Aachen, Germany; Augsburg, Germany; Bad Homburg, Germany; Baden-Baden, Germany; Bergisch Gladbach, Germany; Berlin, Germany; Bernau, Germany; Bielefeld, Germany; Bramsche, Germany; Chemnitz, Germany; Darmstadt, Germany; Dresden, Germany; Dusseldorf, Germany; Düsseldorf, Germany; Essen, Germany; Frankfurt, Germany; Freiburg, Germany; Geoergsmarienhütte, Germany; Görlizt, Germany; Göttingen, Germany; Wales, United Kingdom; Aberdeen, United Kingdom; Manchester, United Kingdom; London, United Kingdom; Birmingham, United Kingdom; Brussels, Belgium; Liège, Belgium; Mons, Belgium; Namur, Belgium; Belgrade, Serbia; Batumi, Georgia; Tbilisi, Georgia; Zagreb, Croatia; Pilsen, Czechia; Praha, Czechia; Athens, Greece; Crete, Greece; Krakow, Poland; Krosno, Poland; Lublin, Poland; Poland; Poznan, Poland; Warsaw, Poland; Budapest, Hungary; Miskolc, Hungary; Bordeaux, France; Grenoble, France; Lille, France; Lyon, France; Montpellier, France; Nantes, France; Paris, France; San Francisco, United States; Toulouse, France; Bolzano, Italy; Rome, Italy; Barcelona, Spain; Madrid, Spain; Tenerife, Spain; Petten, Netherlands; Alkmaar, Netherlands; Amersfoort, Netherlands; Amsterdam, Netherlands; Schipol, Netherlands; Utrecht, Netherlands; Copenhagen, Denmark; Bromolla, Sweden; Stockholm, Sweden; Emmen, Switzerland; Kiel, Germany; basel, Switzerland; Zürich, Switzerland; Riga, Latvia; Vilnius, Lithuania; Antalya, Türkiye; Erevan, Armenia; Almaty, Kazakhstan; Astana, Kazakhstan; Gżira, Malta; Città Vittoriosa, Malta; Għaxaq, Malta; Msida, Malta; Naxxar, Malta Workplace: remote At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking an Contract Lawyer specialist to join one of our clients ' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you. Responsibilities: Review, draft, negotiate, and amend a wide range of commercial contracts, including service agreements, SaaS agreements, consulting agreements, NDAs, partnership agreements, vendor contracts, and customer agreements Analyze and adapt non-standard contracts received from clients, partners, suppliers, and other third parties Ensure contracts comply with applicable laws and regulations, with a particular focus on UK jurisdiction Identify legal, financial, and operational risks and provide practical recommendations to stakeholders Support contract negotiations with clients and vendors to achieve commercially favorable outcomes Collaborate closely with business, sales, operations, finance, and management teams on contractual matters Manage the full contract lifecycle, from drafting and negotiation through execution and renewal Develop and improve contract templates, clause libraries, and internal legal processes Conduct legal research on contractual and commercial law matters across various jurisdictions Maintain accurate contract records and ensure proper document management practices 3–5 years of experience as a Contract Lawyer, Commercial Lawyer, Legal Counsel, or similar role Strong experience working with UK commercial contracts and UK legal frameworks Experience supporting contracts across multiple jurisdictions Proven ability to review and negotiate both standard and highly customized agreements Experience working with B2B commercial contracts in international business environments Strong understanding of contract law, risk assessment, and legal compliance principles Ability to identify legal risks and propose practical business-oriented solutions Excellent drafting, negotiation, and communication skills High attention to detail and strong analytical abilities Ability to manage multiple contracts and priorities simultaneously Fluent English (written and spoken)

Location: Barcelona, Spain; Bordeaux, France; Grenoble, France; Lille, France; Lyon, France; Montpellier, France; Nantes, France; Paris, France; Toulouse, France; Berlin, Germany; Rome, Italy; Atlanta, United States; Austin, United States; Boca Raton, United States; Boston, United States; Chicago, United States; Columbus, United States; Houston, United States; Florida City, United States; Dallas, United States; Detroit, United States; Pondicherry, India; Ahmedabad, India; Delhi, India; Fatorda, India; Hyderabad, India; Mumbai, India; Indianapolis, United States; Bangalore, India; Aachen, Germany; Neuruppin, Germany; Emmen, Switzerland; basel, Switzerland; Zürich, Switzerland Workplace: remote At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking a Coherency Verification Enginee r to join one of our clients ' teams. If you're looking for an exciting opportunity to grow in a innovative environment, this could be the perfect fit for you. Responsibilities: Verify complex digital designs at RTL level according to architecture and design specifications. Develop and maintain verification environments using SystemVerilog and UVM. Create, execute, and debug test plans for block-level, subsystem-level, and top-level verification. Work on the verification of coherent systems, including cache-related functionality and interconnect behavior. Validate designs involving CHI protocol, cache structures, coherency mechanisms, and system-level interactions. Run and manage simulations, regressions, and debug failures using industry-standard verification tools. Apply both formal and dynamic verification methodologies to identify design issues early. Use scripting languages such as Python, Perl, Bash, or TCL to automate verification flows and regression processes. Collaborate closely with architecture, design, and verification teams to analyze specifications, clarify requirements, and resolve issues. Track, document, and communicate verification progress, bugs, coverage status, and technical risks. Contribute to continuous improvement of verification methodology, tools, and best practices. Master or PhD English C1 Industrial experience +8 years Proficiency in SystemVerilog and UVM Knowledge of scripting languages (Python, Perl, Bash, TCL) and regression tools Experience with simulation and simulation tools Knowledge of revision control methodology and tools (git, svn) Experience in block level and sub-system or top level verification Experience with formal and dynamic verification Strong problem-solving skills and attention to detail Excellent communication and teamwork abilities Knowledge of the CHI protocol Understanding of caches' structure and parameters Experience in verification of coherent systems