Senior QA Automation Engineer
Summary
Senior QA Automation Engineer focusing on 30% Frontend and 70% Backend testing using Java/JavaScript and tools like Selenium, REST Assured, and Gatling in a remote, international team setting.
This is a remote position.
We are looking for an experienced Senior QA Automation Engineer to join an international development team. This role requires a technically mature professional with strong automation expertise, focusing approximately 30% on Frontend and 70% on Backend testing.
As a Senior Engineer, you will not only deliver high-quality automated testing solutions but also take ownership, mentor team members, proactively improve testing processes, and contribute to technical excellence across the organization.
Responsibilities:
- Plan and execute integration, system, and usability testing.
- Participate in End-to-End (E2E) and User Acceptance Testing (UAT).
- Collaborate closely with developers to identify critical paths and ensure product stability.
- Foster strong collaboration with other development teams.
- Design, develop, and maintain automated testing frameworks.
- Participate in code reviews and promote high-quality engineering practices.
- Evaluate, integrate, and introduce new testing tools and technologies (Proof of Concept, showcases).
- Contribute to continuous improvements in the testing strategy and automation processes.
Requirements
What we are looking for:
- Minimum 5+ years of hands-on test automation experience.
Core technical skills:
- Proficiency in Java and/or JavaScript for test development.
- Strong expertise in Git and version control workflows.
- Hands-on experience with Postman for API testing and validation.
- Deep knowledge of CI/CD processes and tooling.
- Excellent understanding of API response structures and contract testing.
- Experience with performance testing methodologies and execution.
- Solid grasp of SDLC across the full software delivery lifecycle.
- Strong command of programming best practices: SOLID, KISS, OOP, design patterns.
- Experience in code review and promoting development standards.
- Proven ability to evaluate and integrate new tools and technologies (POC, showcase).
- Familiarity with Jira; experience with X-ray plugin is a plus.
Automated testing toolchain:
Web front-end:
- Selenium / Selenide (primary web testing tool)
- Cypress (used by select teams)
- TestNG / JUnit
- Cucumber
- JMeter (nice to have)
API testing:
- REST Assured
- TestNG / JUnit
- Gatling (nice to have)
- Mobile testing:
- Appium
- XCUI Test (for specific teams)
Performance:
- Gatling (lead performance tool in organisation)
- JMeter (nice to have)
Soft skills:
- English: B2–C1 (working proficiency required for daily collaboration).
- Clear and effective communication with both technical and non-technical stakeholders.
- Strong analytical and problem-solving skills.
- A genuine mentoring mindset — you enjoy helping others grow.
- Proactive approach: you surface issues early and propose solutions.
- Good planning, prioritisation, and the ability to handle context switching.
- Drive to champion technical innovation and continuous improvement.
Benefits
- B2B contract
- Fully remote work with minimal required on-site presence - 1 day every two weeks on-site (Thursday) at the client's office in Warsaw. Additional on-site sessions 2–3 days every 2–3 months for planning and team alignment.
- Engagement in technically challenging projects with a mature engineering culture.
- Long-term cooperation on an exciting international project.
- Opportunity to influence testing strategy, quality standards, and automation practices.