Senior Quality Engineer (Java/React) - Remote JavaScript Testing Expert

We're seeking an experienced Quality Engineer (QE) with strong expertise in Java and React applications to join our innovative development team. In this role, you'll ensure the delivery of high-quality software through comprehensive testing strategies across frontend and backend systems, working with modern technology stacks and implementing industry-best quality assurance practices. Key Responsibilities: - Conduct thorough manual testing throughout the development lifecycle and for production releases, ensuring user interface functionality and backend service integration. - Design and execute comprehensive integration tests for both frontend (UI) and backend (services) using industry-standard testing methodologies. - Develop and maintain automated test suites to improve testing efficiency and coverage, increasing test reliability and reducing regression issues. - Collaborate with cross-functional teams including developers, product managers, and stakeholders to identify, document, and track software defects through resolution. - Perform performance testing to ensure application responsiveness and stability under various load conditions, identifying bottlenecks and recommending optimizations. - Create and maintain detailed test documentation, including test plans, test cases, and test reports that serve as valuable project artifacts. - Participate actively in Agile ceremonies and provide quality assurance insights during sprint planning, stand-ups, and retrospectives. - Validate that software meets specified requirements and quality standards before release, serving as the final quality gatekeeper. - Identify potential quality risks and recommend mitigation strategies to prevent issues before they impact users. - Mentor junior QA team members and promote quality-focused development practices across the organization. Required Skills: - 4+ years of professional experience in software quality assurance and testing with a focus on web applications. - Strong knowledge of Java (Java 17/21) and React (18.x) applications, including common architectural patterns. - Proficiency in JavaScript (ES6+) for testing web applications and understanding the DOM structure. - Experience with modern test management tools (like TestRail, Zephyr) and bug tracking systems (Jira, Azure DevOps). - Solid understanding of quality assurance methodologies and best practices, including test case design techniques. - Demonstrated experience with both manual and automated testing approaches for complex web applications. - Familiarity with RESTful API testing using tools like Postman, Insomnia, or similar. - Knowledge of SQL for database testing and data validation in testing environments. - Experience working with microservices architectures and understanding their unique testing challenges. - Strong analytical thinking and problem-solving abilities to troubleshoot complex application issues. - Excellent communication skills for effective cross-functional collaboration and defect reporting. - Experience working in Agile development environments, including Scrum or Kanban methodologies. Nice to Have: - Experience with modern test automation frameworks like Selenium, Cypress, Playwright, or Jest for frontend testing. - Knowledge of performance testing tools such as JMeter, Gatling, or LoadRunner to simulate user load. - Experience with CI/CD pipelines (Jenkins, GitHub Actions, CircleCI) and integrating tests into automated build processes. - Familiarity with containerization technologies like Docker and Kubernetes for testing environments. - Experience with mobile application testing using Appium or similar frameworks. - ISTQB certification or similar quality assurance credentials demonstrating industry knowledge. - Experience with accessibility testing (WCAG compliance) and testing for assistive technologies. - Knowledge of security testing principles and tools like OWASP ZAP or Burp Suite. - Experience with visual regression testing tools like Percy or Applitools. - Familiarity with BDD frameworks like Cucumber or SpecFlow. - Knowledge of log analysis and monitoring tools like ELK stack, Splunk, or Datadog. Why Join Us: Be part of a forward-thinking team that values quality and innovation in everything we deliver. We offer competitive compensation, professional growth opportunities, and the flexibility of remote work from anywhere in the world. Our collaborative environment encourages continuous learning through regular workshops, conference attendance, and certification support. You'll make a significant impact on products used by customers worldwide while working with cutting-edge technologies and best practices in software quality.