EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting‑edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential. We are looking for a Senior Automation Tester in JS to join our team. This position offers the opportunity to work on high‑impact projects in a collaborative and innovative environment. You will play a key role in ensuring the quality and reliability of our software products. We value proactive problem‑solvers who are passionate about automation and continuous improvement. Responsibilities Work with the test manager and product owners to understand test plans and approaches for new software features Analyze requirements, acceptance criteria, and technical documentation to create clear and comprehensive test scenarios and scripts Design, develop, and execute automated tests for both functional and non‑functional aspects of the software Implement robust API testing strategies to validate endpoints for accuracy, security, reliability, and performance Build and maintain component‑level test suites with appropriate mocks and contracts to verify module behavior in isolation and within the system Plan, execute, and analyze performance and load tests to evaluate system scalability and stability under various conditions Identify, document, and report defects with detailed reproduction steps, logs, and supporting evidence Collaborate closely with developers, DevOps, and engineering teams to anticipate and test upcoming changes Develop and maintain automated test scripts and frameworks to enhance testing efficiency, coverage, and repeatability, focusing on API, component, performance, and reliability testing Integrate automated tests into CI/CD pipelines, establishing quality gates for coverage and metrics Communicate actively with developers, product owners, designers, and stakeholders to clarify requirements, review designs, and verify implementations Maintain organized and traceable test artifacts in tools like Xray, Jira, Confluence, and Git, ensuring all tests map to requirements and acceptance criteria Proactively identify risks, elevate critical testing issues, and suggest mitigation strategies to support high‑quality, timely software releases Participate in Agile ceremonies such as daily stand‑ups, sprint planning, retrospectives, and backlog grooming Requirements At least 3 years of hands‑on experience in automation testing Experience with performance testing to assess system responsiveness and stability Strong skills in developing and documenting test cases for comprehensive coverage Experience with web service and API testing to validate backend functionality Fluent English skills (written and spoken) at a B2+ level or higher Nice to have Experience with Amazon Web Services for cloud‑based testing environments Familiarity with contract testing tools to ensure API compatibility Knowledge of Docker for containerized test environments Background in functional testing for validating software features Experience using Github Copilot for code generation and productivity Skills in Grafana and Grafana k6 for monitoring and performance testing Proficiency with mocking and stubbing tools such as WireMock for simulating dependencies Experience with Node.js for backend test automation Familiarity with the Xray plug‑in for JIRA for test management and traceability We offer International projects with top brands Work with global teams of highly skilled, diverse peers Employee financial programs Paid time off and sick leave Upskilling, reskilling and certification courses Unlimited access to the LinkedIn Learning library and 22,000+ courses Global career opportunities Volunteer and community involvement opportunities EPAM Employee Groups Award‑winning culture recognized by Glassdoor, Newsweek and LinkedIn #J-18808-Ljbffr