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Quality Assurance (QA) Engineer at MLabs. Location:. Remote. Project Duration: . 12-15 months. Type: . Full-time or Part-time(At least 10 - 15 hrs/week). Join our client in ensuring the quality and reliability of our cutting-edge decentralized exchange (DEX) platform. We are seeking a skilled QA Engineer who is passionate about delivering high-quality software and can work collaboratively with our development and design teams to enhance user experience.. Key Responsibilities:. . Design, develop, and execute comprehensive test plans, test cases, and test scripts based on product requirements and specifications.. . Perform manual and automated testing of the DEX platform to identify defects and ensure functionality, performance, and security.. . Collaborate with frontend developers to validate user interfaces and ensure they meet design specifications and usability standards.. . Conduct integration testing to ensure seamless interaction between frontend applications and backend services, including RESTful APIs.. . Facilitate performance, load, and stress testing to ensure the application can handle expected traffic and usage.. . Maintain, enhance, and expand automated test suites using suitable testing frameworks and tools.. . Work closely with stakeholders to identify and track defects, providing detailed reports and ensuring timely resolution of issues.. . Verify cross-browser compatibility and mobile responsiveness of the DEX application.. . Contribute to continuous improvement of QA processes and best practices in the organization.. . Document and communicate test results, findings, and recommendations to the development team and management.. . Proficiency in testing methodologies and tools, with experience in both manual and automated testing.. . Strong understanding of web technologies, including HTML, CSS, and JavaScript, to effectively validate frontend functionality.. . Hands-on experience with testing frameworks (e.g., Selenium, Cypress, Jest) and version control tools (e.g., Git).. . Familiarity with RESTful APIs and experience in testing web services.. . Basic knowledge of blockchain technology and decentralized applications (DApps) is preferred.. . Excellent analytical and problem-solving skills with a keen attention to detail.. . Strong communication skills to effectively collaborate with cross-functional teams.. . Preferred Qualifications:. . Experience in the fintech or blockchain space is a plus.. . Knowledge of performance testing tools (e.g., JMeter, LoadRunner) is advantageous.. . Certification in software testing (e.g., ISTQB) is a plus.. . Company Location: Russia.