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Location: India Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Tamil This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job Project Details     Job Title: Ads Quality Rater Pay Rate: Based on tasks (approximately $3 per hour) Location: Remote/work from home - must be based in India Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process. Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Tamil Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in India. To know more details (Click here)

Location: Slovakia Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Slovak   This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job Project Details     Job Title: Ads Quality Rater Pay Rate: Based on tasks (approximately $8 per hour) Location: Remote/work from home - must be based in Slovakia Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process. Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Slovak Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in Slovakia. To know more details (Click here)

Location: Lithuania Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Lithuanian   This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job   Project Details     Job Title: Ads Quality Rater Pay Rate: Based on tasks (approximately $8.5 per hour) Location: Remote/work from home - must be based in Lithuania Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term   Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process.   Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Lithuanian Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in Lithuania.   To know more details (Click here)

Location: Slovakia Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world's largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater , you will review and grade internet advertisements to help shape how ads are delivered to the end users.  In other words, you'll tell the AI ​​program how good or bad its advertisement suggestions are based on the user's keywords.   You will review ads in both English and Czech   This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job   Project Details     Job Title: Ads Quality Rater Czech (Slovakia) Pay Rate: Based on tasks (approximately $8 per hour) Location: Remote/work from home - must be based in Slovakia Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration:  Long term   Notes: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process.   Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Czech Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in Slovakia .   To know more details (Click here)

Location: Iceland Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Icelandic This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job Project Details     Job Title: Ads Quality Rater Pay Rate: Based on tasks (approximately $25 per hour) Location: Remote/work from home - must be based in Iceland Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process. Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Icelandic Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in Iceland. To know more details (Click here)

Location: Hungary Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Hungarian   This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job Project Details     Job Title: Ads Quality Rater Pay Rate: Based on tasks (approximately $8 per hour) Location: Remote/work from home - must be based in Hungary Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process. Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Hungarian Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in Hungary. To know more details (Click here)

Location: Bulgaria Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Bulgarian   This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job Project Details     Job Title: Ads Quality Rater Pay Rate: Based on tasks (approximately $7 per hour) Location: Remote/work from home - must be based in Bulgaria Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process. Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Requirements Fluency in Bulgarian Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in Bulgaria. To know more details (Click here)

Location: Spain Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Catalan   This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job Project Details     Job Title: Ads Quality Rater Catalan (Spain) Pay Rate: Based on tasks (approximately $10.9 per hour) Location: Remote/work from home - must be based in Spain Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process. Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Catalan Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in Spain. To know more details (Click here)

Location: Norway Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Norwegian   This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job Project Details     Job Title: Ads Quality Rater Pay Rate: Based on tasks (approximately $20 per hour) Location: Remote/work from home - must be based in Norway Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process. Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Norwegian Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Note that this job is according to project needs. Because of this, weekly hours can vary and flexibility with change is expected. You must legally be able to work with freelance projects in Norway.

Location: Kuala Lumpur, Malaysia Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Malay This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job Project Details     Job Title: Ads Quality Rater Pay Rate: Based on tasks (approximately $7 per hour) Location: Remote/work from home - must be based in Malaysia Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process. Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Malay Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in Malaysia. To know more details (Click here)

Location: Hong Kong Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Cantonese   This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job Project Details     Job Title: Ads Quality Rater Pay Rate: Based on tasks (approximately $13 per hour) Location: Remote/work from home - must be based in Hong Kong Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process. Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Cantonese Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in Hong Kong. To know more details (Click here)

Location: Slovenia Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Slovenian   This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job   Project Details     Job Title: Ads Quality Rater Pay Rate: Based on tasks (approximately $9.5 per hour) Location: Remote/work from home - must be based in Slovenia Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term   Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process.   Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Slovenian Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in Slovenia.   To know more details (Click here)

Location: Manila, Philippines Workplace: remote Welo Data is an award-winning localization and data transformation company. We run one of the world’s largest Ads Rating Programs and we want you to join!    As an Ads Quality Rater, you will review and grade internet advertisements to help shape how ads are delivered to the end users. In other words, you’ll tell the AI program how good or bad its advertisement suggestions are based on the user’s keywords.   You will review ads in both English and Filipino   This role is great for people who:    - Surf the internet daily  - Use major search engines frequently  - Know what people want based on a few keywords  - Enjoy researching topics online - Want a flexible and fun side job Project Details     Job Title: Ads Quality Rater Pay Rate: Based on tasks (approximately $4 per hour) Location: Remote/work from home - must be based in the Philippines Hours: Set your schedule based on the following – Minimum commitment is 5 hours per week. You can choose to work up to 20 hours per week. Start Date: ASAP Employment Type: Independent Contractor/Freelance/Self-Employed  Project Duration: Long-term Note: - Even though the position is WFH, you must reside in the country that is noted in this description. This will be automatically checked during the hiring process. Recruitment Process   - There is no formal interview for this job! No phone calls, no waiting, and no wasting time wondering whether you got the job or not.   - Instead, you will be guided through a self-paced and automated recruitment process.   IMPORTANT NOTE: Welo Data uses numerous identity checks to ensure that everyone who makes the team is real, qualified, and ready to work. To avoid any misunderstandings, do not use IP masking programs (such as VPNs). Experience & Requirements Fluency in Filipino Strong understanding of English (written and spoken) Comfortable knowledge of modern popular culture Reliable computer system and internet connection Familiar with using online search engines Sign a standard Non-Disclosure Agreement and Service Level Agreement Please note that this work is based on project needs. Due to this, weekly hours may vary and flexibility with change is expected. You must legally be able to work on freelance projects in the Philippines. To know more details (Click here)

Location: New York, NY / Seattle, WA / San Francisco Bay Area, CA / Remote Workplace: remote Why us?  Blockchain technology is enabling a rapidly-growing era of innovation for the digital world. It is crucial that blockchain code such as protocols and smart contracts are provably secure and correct. Once deployed, they are public and cannot be changed. Vulnerabilities and bugs in such programs regularly put millions of dollars at stake. This is where CertiK comes in. We are the leading blockchain security company. Our goal is to secure the cyber world by applying cutting edge techniques from academia to secure blockchain code. Come and join this ambitious mission as a research software engineer to work on automated analyses for provably secure and correct blockchain applications!  What you will do You will design and develop tools that automatically ensure the correctness of smart contracts or identify security issues and bugs in smart contracts. We have software engineer positions available at all levels of seniority. Title and responsibilities will be commensurate with experience and background. As part of our multinational team of programming language experts, you will participate in the development of tools that rest upon techniques such as symbolic model checking, SAT/SMT solving, abstract interpretation, data flow analysis, and deductive verification. You will have the opportunity to work on all stages of tool development from idea generation to implementation and iterative improvements. Our team is highly supportive and collaborative with great opportunities to learn and grow. About you You have a background in programming language theory and automated reasoning and love to work on the forefront of applying results from theoretical computer science. You love to tackle computationally hard problems and have a proven track record of achieving results, where results are people using your tool to do their jobs. You are collaborative: you share ideas, love to brainstorm with peers, and give and receive feedback. You are comfortable with the unknown and understand that #startuplife means that you will be wearing multiple hats. Responsibilities Extend the scope and depth of our automated program verification tools and brainstorm, design, and implement new tools. Adapt and improve algorithms for symbolic software model checking. Examples include bounded model checking (BMC), counterexample-guided abstraction refinement (CEGAR), and property directed reachability (IC3/PDR). Build and extend translators from different input languages into intermediate representations, optimizing the generated models for automated analysis. Identify new classes of security properties of smart contracts and formalize properties for use in our automated verification tools. Closely collaborate with other software engineers in developing tools and set technical direction for solving problems in consultation with your team and management. Work on all aspects of delivering working software that meets customer needs, including analysis, design, automated testing, operations, CI/CD, measuring results, incorporating customer feedback, and support. Required Qualifications Master's Degree in Computer Science or a related field or 5 years of equivalent experience. Minimum of 4 years of software development experience (includes internships, software developed during research, and open-source development). Minimum of 2 years of experience with one or more of the following: model checking, formal verification, SAT/SMT solving (Z3, CVC4, Yices, MathSAT, SMTInterpol), abstract interpretation, or closely related disciplines. Demonstrated knowledge of fundamental computer science concepts such as data structures, algorithms, mathematical logic, and automata theory. Preferred Qualifications PhD in the broader field of automated reasoning. Publication record in conferences like POPL, CAV, TACAS, FMCAD, FM, etc. Experience in functional programming (OCaml or Haskell). Strong and creative problem-solving skills; always willing to learn and embrace new technologies and to collaborate. Prior experience in a professional software development environment. About the Company Founded in 2018 by professors of Yale University and Columbia University, CertiK is a pioneer in blockchain security, utilizing best-in-class technology to secure and monitor blockchain protocols and smart contracts. CertiK’s mission is to secure the cyber world. Starting with blockchain, CertiK applies cutting-edge innovations from academia into enterprise, enabling mission-critical applications to be built with security and correctness.  Compensation Target annual base salary for this role performed in the US is $115,000 - $230,000. The exact compensation at which this job is filled will be determined by the skills and experience of qualified candidates. #LI-Remote #blockchain #startups #hiring 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: Home based - EMEA Canonical is a leading provider of open-source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of globally distributed collaboration, with 1100+ colleagues in 75+ countries and very few office-based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution. The company is founder-led, profitable and growing. We are hiring a Senior Software Engineer on the Web Engineering team to drive best practices across the team, for all disciplines, bringing great ideas to the table to lead technical conversations. They identify risks and communicate them to relevant stakeholders, asking the right questions to move a project forward. Within the team there are fantastic opportunities to gain deep technical knowledge of complex products in innovative and fast-growing areas of the tech world with space and support to hone your craft. We value transparency, intellectual honesty and teamwork. As a Senior Software Engineer at Canonical, you will own the development of large projects. Encourages rigorous and efficient engineering process. Writes specifications and understands risks. Works to reduce complexity. Is capable of taking on technical lead responsibilities to drive an initiative to completion. Follows industry trends and new technologies. Capable of representing their team as a subject matter expert with cross-team credibility. An exemplary engineer who mentors and develops those around them in a structured and systematic manner, sharing this responsibility for their immediate team with their manager. Location : This role will be based remotely in the EMEA region. The role entails Identifying what matters for the team and driving initiatives to improve them Design and implement well-tested and documented software Debug and fix issues encountered by your users Leading in our engineering process through code and architectural reviews Contribute to technical documentation to make it the best of its kind Seek improvements to engineering and operations practices Deploy and operate services developed by the team Contribute to the success of your product through technical advocacy What we are looking for in you Curate technical quality standards by designing the architectural approach to support business objectives You value soft skills and are passionate, enterprising, thoughtful, and self-motivated An exceptional academic track record from both high school and university Undergraduate degree in Computer Science or STEM, or a compelling narrative about your alternative path Drive and a track record of going above and beyond expectations Well-organised, self-starting and able to deliver to schedule Displays competency in researching new technology or approaches, and is able to tastefully and sustainably integrate changes and more modern approaches to technical projects. Provides comprehensive and insightful code review on items of any size within the project An eye for accessibility and performance Professional written and spoken English Experience with Linux (Debian or Ubuntu preferred) Excellent interpersonal skills, curiosity, flexibility, and accountability Excellent communication and presentation skills Result-oriented, with a personal drive to meet commitments Ability to travel twice a year, for company events for up to two weeks each Nice-to-have skills Experience with container tech such as LXD, Docker and Kubernetes Experience fostering and maintaining a talented team by defining excellence REST API design, development and governance Drive to deliver performance engineering and security experience What we offer colleagues We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognise outstanding performance. In addition to base pay, we offer a performance-driven annual bonus or commission. We provide all team members with additional benefits, which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally. Distributed work environment with twice-yearly team sprints in person Personal learning and development budget of USD 2,000 per year Annual compensation review Recognition rewards Annual holiday leave Maternity and paternity leave Employee Assistance Programme Opportunity to travel to new locations to meet colleagues Priority Pass, and travel upgrades for long-haul company events About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open source projects and the platform for AI, IoT and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence - in order to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since its inception in 2004.​ Working here is a step into the future, and will challenge you to think differently, work smarter, learn new skills, and raise your game. Canonical is an equal-opportunity employer We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background creates a better work environment and better products. Whatever your identity we will give your application fair consideration . #LI-Remote

Location: Metn, Lebanon The Company Toters is an on-demand e-commerce and delivery platform and operates a service that enables customers to get anything in their city at the highest level of convenience. At Toters, technology is at the heart of everything we do. We have product teams that are working hard every day to create products that make our customers' lives easier. Our engineers are also continuously creating solutions to make our processes more efficient, all in an effort to get to our customers fast and at the best cost. If you are interested in working in a high growth startup environment, and look to be part of a team that will potentially change the way customers shop in the Middle East, apply now. Role The Product Designer is responsible for delivering largely independent UI and UX for our different platforms. As a Product Designer at toters, you will collaborate with teams of designers, researchers, engineers, content strategists, and product managers throughout the product process, setting the bar for creative excellence and providing best-in-class visual design thinking and usability expertise at the start of every project. You will utilize user flows, wireframes, flow diagrams, storyboards, user interface mockups, and/or high-fidelity prototypes to convey the user experience at different phases of the design process. It will be your mission to promote the prioritization of design-centered adjustments, adjustments, and enhancements. Responsibilities Create user-centered designs by embracing an outside-in approach, bringing the voice of the customers into the organization, gather customer feedback, analyze and synthesize usability findings, develop user journeys. Design intuitive, results driven products and thoughtful user experiences that balance aesthetics and usability. Perform user research, conduct user tests, and design the overall functionality of the product to guarantee an excellent user experience. Be resourceful and creative to overcome obstacles and turn challenges into opportunities. Develop Prototypes to demonstrate and evaluate potential ideas with stakeholders and validate hypotheses by conducting usability testings. Listen and share with colleagues across the company to drive collaboration. Work within an Agile team environment that delivers through iteration. Maintain design consistency throughout our products. Discuss design principles and guidelines with various company stakeholders to gain their support. Be the user-advocate by conducting usability tests on early designs and making implementation recommendations from a user-centered standpoint. Above all, enjoy creating cutting-edge consumer applications for the Web and mobile platforms. Qualifications You hold a BA/BS degree or equivalent practical experience; an advanced degree is a plus. You have 5+ years of experience in UX & UI design. You’re skilled with Figma, Sketch, or other design tools. You’re familiar with design thinking and human-centered methodologies. You know how to conduct or interpret user research and usability testing. You use data and user insights to guide your decisions. You’re an excellent communicator and a team player. You thrive in a fast-paced, iterative, and remote-friendly environment. You understand the importance of design systems and consistency. You’ve collaborated with PMs, engineers, and stakeholders to bring ideas to life. You’re comfortable designing end-to-end experiences, from research to high-fidelity UI.

Location: Home based - Worldwide Our ambition is to set a standard of excellence in the industry for technical documentation and documentation practice. This is your chance to be a part of that, as a Technical Author at Canonical . We are building documentation capacity at scale. We have dozens of positions available , for teams and products across the organisation, at all levels from Graduate to Senior Staff. All applications and candidates are handled through this one entry-point. To improve your chances of success in this application, read our advice on how to get a job at Canonical . These are not traditional technical writer roles. As a Technical Author, you will lead the documentation efforts of a Canonical team, in engineering, business operations or another part of the company. You will combine excellence in technical communication with subject-matter expertise and the ability to collaborate with colleagues across the organisation. Even the most junior Technical Authors will have the opportunity to develop and demonstrate technical authority, contributing to documentation practice as a first-class engineering and business discipline. You will work with the Diátaxis approach to documentation and help elevate standards of technical writing through attention to theory and practice. The role of a Technical Author A product-focused Technical Author is a member of a product engineering team, typically focused on a product or family of products. In this role you'll help the team develop documentation that serves the needs of the product's users. You will have responsibility for  the quality of the user experience with the product, and will contribute towards the long-term success of the project itself. A customer-focused Technical Author works in a team such as Field Engineering, Customer Success or Support, dealing with users of complex suites of Canonical software products, sometimes deployed in custom configurations. In this role you’ll take a responsive approach to software documentation problems and develop a strong understanding of how products work together and are used in the real world. An operations-focused Technical Author is part of a business team, for example Legal, HR or Talent. An important part of this work is to maintain internal documentation, such as employee handbooks. In this role you will help develop and improve materials that hundreds of colleagues rely on daily, and define patterns of business communication for a rapidly-growing organisation. Some open technical author roles at Canonical You’ll have a chance to tell us your preferred focus, and we'll work with you to find the right seniority level and team for you. Whatever your focus, you will also be a part of Canonical's documentation practice team , that includes all the company's Technical Authors. Here, you'll be amongst other documentation experts, who collaborate to define documentation excellence and drive the development of documentation practice and theory, across the company and in the open-source software community. Location: These are fully remote roles, open to candidates across the globe. As a Technical Author you will Create, maintain and improve software and other documentation Work with your team members, to help them make effective documentation contributions Influence the development of Canonical products and services, as an expert user who has important opinions about function and design Engage with user communities to ensure that our documentation meets their needs Encourage and support community engagement in and contribution to documentation Help standardise the structure, presentation, style and language of content across products Collaborate with documentation peers to advance the state of the art in documentation at Canonical Challenge and advance documentation understanding and best-practice, as part of a disciplinary team A strong candidate Is an excellent collaborator and communicator Cares deeply about functional written communication Is a technical writer with a programmer’s mindset, or a programmer with a record of producing excellent documentation Has a record of community engagement, in open-source software, documentation, research or other disciplines Is sympathetic to the needs and challenges of open-source software and its communities Demonstrates technical curiosity, and is fascinated by software technology and its challenges Has demonstrable documentation skills, insight and enthusiasm Has experience of software development contexts Is familiar with: Linux, working on the command line, Git, Sphinx, reStructuredText Holds a BSc/BA degree or equivalent Is able to travel twice a year for up to two weeks for events Nice-to-have skills Deep technical domain knowledge Open-source community leadership and management User-experience, interaction or visual design What we offer you We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognise outstanding performance. In addition to base pay, we offer a performance-driven annual bonus or commission. We provide all team members with additional benefits, which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally. Distributed work environment with twice-yearly team sprints in person Personal learning and development budget of USD 2,000 per year Annual compensation review Recognition rewards Annual holiday leave Maternity and paternity leave Employee Assistance Programme Opportunity to travel to new locations to meet colleagues Priority Pass, and travel upgrades for long haul company events About Canonical Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open source projects and the platform for AI, IoT and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence - in order to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since its inception in 2004.​ Working here is a step into the future, and will challenge you to think differently, work smarter, learn new skills, and raise your game. Canonical is an equal opportunity employer We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration . #LI-remote

Location: Yerevan, Armenia Description: We are looking for a Head of Digital Marketing Department to join our team. The ideal candidate will have a strong digital marketing background, a strategic mindset, and excellent leadership skills. You’ll collaborate with cross-functional teams to ensure optimal performance and data-driven decision-making. Responsibilities: Develop and implement digital marketing strategies to ensure user engagement, and maintain engagement across the Company’s digital platforms, including paid media, SEO, social media, content marketing, etc. Define monthly/quarterly content promotion strategies, approve action plans, and monitor their execution across social platforms by introducing engaging content and campaigns that will increase brand awareness and customer engagement Oversee the planning, execution, and improvement of paid media campaigns (PPC, display, social advertising) to ensure maximum ROI and customer engagement Develop and monitor SEO strategies to increase organic traffic, and improve search rankings via effective keyword research and link-building Analyze campaign performance, user behavior, and campaign effectiveness using Google Analytics, other data management platforms, and analytics tools Plan annual, quarterly, and monthly budgets for paid advertising campaigns Provide annual, quarterly, and monthly performance reports, define and measure KPIs Collaborate with relevant units within the Company to increase customer satisfaction through a common strategy Constantly monitor emerging trends, technologies, and tools in digital marketing. Implement innovative strategies to stay ahead of competitors and accelerate growth Supervise and coordinate the department's activity Delegate tasks and supervise their implementation according to the deadlines established. Provide guidance, mentoring, and performance evaluation to ensure efficient execution of objectives Organize and monitor the onboarding process of new hires Ensure all digital marketing activities comply with the RA Law on Advertising, as well as other legislative and regulatory requirements related to the field Perform other functions assigned by the immediate supervisor and arising from the duties of the position Requirements: Master’s degree in Marketing, Digital technologies, or a relevant field Proven work experience as a Digital marketing unit manager Demonstrable experience in designing and implementing successful digital marketing campaigns Proficient in MS Office (particularly Excel) and data manipulation Excellent knowledge of English and Russian languages Strong understanding of how all current digital marketing channels function Solid knowledge of online marketing tools and best practices Hands-on experience with SEO/SEM, programmatic media-buying, and CRM software Familiarity with web design Experience in data analysis and reporting Excellent analytical and project management skills Strong team management and communication (written and verbal) skills Analytical thinking with strong math skills Good time management skills, including prioritizing, scheduling, and adapting as necessary Ability to work on multiple projects with different objectives simultaneously The ability to think strategically and develop innovative marketing strategies