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Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 280 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.Responsibilities<ul><li>Monitor the security of on-chain and business data to ensure data consistency and fund safety.</li><li>Identify and analyze issues such as duplicate entries, missing transactions, and abnormal activities, and drive timely resolution.</li><li>Propose optimization suggestions during daily operations to enhance overall fund security and data accuracy.</li><li>Participate in test case design, test data preparation, testing execution, and the development of automated testing scripts.</li></ul>Requirements<ul><li>At least 3 years of experience in QA (Quality Assurance) or Operations Engineering, with proficiency in automation testing and solid backend testing and coding skills.</li><li>Strong understanding of blockchain and Web3 concepts, familiar with major blockchain networks, blockchain data query methods, fund security logic, account system architecture, transaction lifecycles, and smart contracts.</li><li>Experience using blockchain explorers (e.g., Etherscan, BscScan) or analyzing node logs is preferred.</li><li>Proficient in SQL testing, capable of independently writing and executing SQL queries for data verification.</li><li>Skilled in Python / Shell scripting, able to independently process and validate data.</li><li>Familiar with Agile / Scrum development methodologies.</li><li>Experienced with Git, CI/CD pipelines, and API testing workflows.</li><li>Background in financial institutions, clearing and settlement systems, or risk control systems is preferred.</li></ul>Bonus<ul><li>Experience in big data middleware testing, such as Hadoop, Hive, Spark, Kafka, or Flink.</li></ul>Why Binance• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)

QA Engineer

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 250 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world. Binance is looking for an experienced QA Engineer (mid to senior level) to drive and support Integration Testing of our high-performance backend software stack. This entails the full life cycle of testing from designing tests to capture changes, developing these into scripts and confirming execution, collating these into the integration framework, and ongoing improvement to the framework to improve automation. This is a full-time position which offers hybrid working in APAC region.Responsibilities<ul><li>Work closely with team members (Developers, Product Manager and Partners) to develop, test and deliver high quality software products.</li><li>Design test, development of scripted Python tests for integration test scenarios.</li><li>Preparation of integration test scenarios for unreleased features and changes, integrate into CI and stamp QA approved new feature for production.</li><li>Hands-on investigation, find root cause and communicate efficiency with other teams.</li><li>Identification and prioritization of deficiencies in existing integration test scripts and implementing improvements.</li><li>Enhancement of existing integration framework to support improved automation and reporting.</li><li>Developer background would be nice to have.</li></ul>Requirements<ul><li>5+ years of backend QA engineering experience.</li><li>Full cycle testing from designing manual tests, developing scripts and execution.</li><li>Strong experience with UNIX/Linux.</li><li>Strong scripting ability using Python, Bash.</li><li>Experience testing backend services such as APIs, Databases, distributed services (non-monolithic).</li><li>Enjoys breaking things and solving problems - not just able to find out the 'what', but also the 'why'.</li><li>Clear, logical communicator in English.</li></ul>Why Binance• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team) Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.By submitting a job application, you confirm that you have read and agree to our&nbsp;<a target="_blank" rel="noopener noreferrer nofollow" href="https://www.binance.com/en/candidate/privacy/notice">Candidate Privacy Notice</a>.

Senior Automation QA Engineer / SDET (Python)

We’re looking for a Senior Site Reliability Engineer Engineer to take ownership of building and evolving our internal monitoring and alerting systems that keep our high-load, real-time production systems running smoothly. If you thrive on solving complex challenges at scale and have experience in DevOps/SRE practices and monitoring performance-critical applications, this role could be a great fit.In this position, you will design, build, and continuously improve our internal monitoring and alerting tools. Test and validate solutions in real production environments. Collaborate closely with Development, QA, and DevOps teams to ensure system reliability and performance.This is a full-time remote role, with a preference for candidates based in European time zones.Responsibilities<ul><li>Design, develop, and maintain robust monitoring and alerting tools for mission-critical systems</li><li>Automate production testing to ensure reliability and scalability</li><li>Proactively identify, troubleshoot, and resolve performance and software issues</li><li>Track, update, and drive resolution of technical problems across teams</li><li>Suggest and implement architectural enhancements and process improvements</li><li>Research, evaluate, and recommend new technologies and vendor solutions</li><li>Safeguard critical systems by applying best-in-class security practices and solutions</li></ul>Requirements<ul><li>At least 7+ years of experience as a Node.js / JavaScript developer, ideally with a background in monitoring and supporting large-scale production systems</li><li>Strong knowledge of REST API design and WebSockets</li><li>Hands-on experience with cloud platforms such as AWS or GCP</li><li>Solid understanding of distributed systems at scale</li><li>Proficiency working in a Linux environment</li><li>Excellent communication skills in English, with the ability to explain complex concepts clearly and logically</li></ul>Optional<ul><li>Familiarity with tools such as Docker, Nginx, Prometheus, Grafana, etc.</li><li>Experience working with time-series databases</li><li>Understanding of low-level programming languages (e.g., C, C++, Rust)</li><li>Previous contributions to open-source projects</li></ul>Why Binance• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.By submitting a job application, you confirm that you have read and agree to our&nbsp;Candidate Privacy Notice.

Senior Site Reliability Engineer (Node.js & Javascript), Trading Technologies

We are looking for a highly skilled Senior Front-End Software Engineer with deep expertise in Angular/TypeScript and solid fundamentals in React.In this role, you will drive the development of modern web applications, ensure engineering excellence, and contribute to architectural decisions. You will collaborate closely with cross-functional teams and mentor other engineers while delivering scalable, clean, and high-performing user interfaces. This position is ideal for someone who thrives in technically challenging environments, values clean architecture, and enjoys shaping frontend best practices within a global engineering organization. #LI-AA10Responsibilities<ul><li>Design, develop, and maintain complex and scalable frontend applications</li><li>Lead implementation of engineering best practices: modular architecture, code quality, performance tuning, accessibility, and testing</li><li>Tackle challenging frontend problems and optimize existing codebases for performance and maintainability</li><li>Mentor and guide engineers, encouraging technical growth and knowledge-sharing</li><li>Collaborate closely with UX designers, backend engineers, QA teams, and Product stakeholders to define requirements and drive end-to-end delivery</li><li>Conduct thorough code reviews and uphold high engineering standards across the team</li><li>Advocate for modern tooling, CI/CD practices, and forward-looking frontend technologies</li><li>Contribute to architectural decisions and drive technical direction across projects</li></ul>Requirements<ul><li>Advanced Angular expertise, including component architecture, reactive programming (RxJS) and state management (NgRx, Akita, etc.)</li><li>Strong React fundamentals (hooks, context, lifecycle, state management); capable of delivering meaningful features and reusable components in React environments</li><li>Deep knowledge of TypeScript, including generics, advanced typing, interfaces, functional patterns and async operations</li><li>Proven ability to architect, build, and deploy enterprise-level frontend solutions</li><li>Excellent debugging, profiling, and performance optimization skills</li><li>Hands-on experience with unit, integration, and E2E testing (Jasmine, Jest, Cypress, etc.)</li><li>Previous experience working in Agile/Scrum environments</li><li>Solid understanding of build tools and workflows: Vite, Webpack, npm/yarn, Git, CI/CD pipelines</li><li>Strong communication skills and ability to clearly articulate technical solutions to both engineers and non-technical stakeholders</li><li>Demonstrated ability to lead, mentor, and influence engineering teams</li></ul>Nice to have<ul><li>Familiarity with cloud platforms (Azure, AWS, GCP) and modern deployment practices</li><li>Understanding of accessibility (a11y), security principles, and UX fundamentals</li><li>Exposure to micro-frontend architecture and distributed UI concepts</li></ul>We offer<ul><li>For your comfortable work:<ul><li>Remote and hybrid work opportunities</li><li>Option to work from our centrally located office in Athens</li><li>Corporate laptop provided</li><li>Private health insurance</li><li>Meal vouchers / restaurant tickets</li><li>My Benefit card (264€/year)</li><li>Monthly public transportation card</li></ul></li><li>For your growth:<ul><li>Global and diverse client portfolio, large-scale projects, and trendy technologies</li><li>Diverse multicultural, multi-functional, and multilingual work environment</li><li>Opportunity to contribute to internal and open-source products</li><li>Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey</li><li>Possibility to create a Personal Development Plan from the first day in the company</li><li>Numerous opportunities for self-development: hard &amp; soft skills internal training courses, mentoring programs, and unlimited access to LinkedIn Learning courses, external e-Libraries</li><li>Certification opportunities</li><li>Knowledge-sharing with colleagues from EPAM's global tech and non-technical communities</li><li>Language courses</li></ul></li></ul>

Senior Front-End Software Engineer (Angular / React) Remote

We are seeking a Senior Software Engineer to lead frontend initiatives using Angular and TypeScript, while leveraging React fundamentals to contribute across modern web applications.You will collaborate with cross-functional teams to deliver scalable, maintainable, and high-performing user interfaces. Join us to drive innovation and mentor others in frontend engineering.The remote option applies only to the Candidates who will be working from any location in Greece.Responsibilities<ul><li>Design, develop, and maintain complex frontend applications</li><li>Lead efforts to implement best practices in software development including modular design, code quality, accessibility, performance tuning, and testing</li><li>Solve challenging technical problems and optimize existing codebases for maintainability and scalability</li><li>Mentor and support other engineers to promote skill growth and knowledge sharing within the team</li><li>Collaborate cross-functionally with UX, backend, QA, and Product teams to drive requirements, architecture, and delivery of major features</li><li>Conduct code reviews and enforce quality standards aligned with organizational and industry expectations</li><li>Advocate for modern tooling, CI/CD practices, and innovations in frontend technologies</li></ul>Requirements<ul><li>Significant expertise with Angular including advanced component creation, reactive programming (rxjs), and state management (NgRx, Akita, etc.)</li><li>Strong fundamentals in React including hooks, context, component lifecycle, and state management with at least 3 years experience</li><li>Deep understanding of TypeScript including generics, advanced types, interfaces, and asynchronous programming</li><li>Proven ability to architect, develop, and deploy enterprise-level applications with 3+ years experience</li><li>Strong debugging and optimization skills for large-scale frontend systems</li><li>Experience with unit, integration, and E2E testing frameworks and strategies such as Jasmine, Cypress, and Jest</li><li>Prior experience working in Agile/Scrum environments</li><li>Familiarity with frontend build tools and workflow automation like Vite, Webpack, npm/yarn, git, and CI/CD pipelines</li><li>Good communication skills to explain complex technical solutions to technical and non-technical stakeholders</li><li>Demonstrated ability to lead and mentor within technical teams</li><li>English proficiency at B2+ level</li></ul>Nice to have<ul><li>Experience with cloud platforms including Microsoft Azure, Amazon Web Services, and Google Cloud Platform</li><li>Working knowledge of accessibility, security, and UX principles</li><li>Familiarity with micro-frontend architecture</li></ul>We offer/BenefitsFor your comfortable work:<ul><li>Remote and hybrid work opportunities</li><li>Option to work from our centrally located office in Athens</li><li>Corporate laptop provided</li><li>Private health insurance</li><li>Meal vouchers / restaurant tickets</li><li>My Benefit card (264€/year)</li><li>Monthly public transportation card</li></ul>For your growth:<ul><li>Global and diverse client portfolio, large-scale projects, and trendy technologies</li><li>Diverse multicultural, multi-functional, and multilingual work environment</li><li>Opportunity to contribute to internal and open-source products</li><li>Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey</li><li>Possibility to create a Personal Development Plan from the first day in the company</li><li>Numerous opportunities for self-development: hard &amp; soft skills internal training courses, mentoring programs, and unlimited access to LinkedIn Learning courses, external e-Libraries</li><li>Certification opportunities</li><li>Knowledge-sharing with colleagues from EPAM's global tech and non-technical communities</li><li>Language courses</li></ul>

Θέσεις Εργασίας Qa Engineer Ελλάδα

qa engineer

Binance

senior automation qa engineer / sdet (python)

Binance

senior site reliability engineer (node.js & javascript), trading technologies

Binance

senior front-end software engineer (angular / react) remote

EPAM Global

senior javascript frontend developer with angular remote

EPAM Global

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