Senior QA Automation Engineer

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.

• 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.
  

• Minimum 5+ years of hands-on test automation experience.
  

• 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.
  

• Selenium / Selenide (primary web testing tool)
  
• Cypress (used by select teams)
  
• TestNG / JUnit
  
• Cucumber
  
• JMeter (nice to have)
  

• REST Assured
  
• TestNG / JUnit
  
• Gatling (nice to have)
  
• Mobile testing:
  
• Appium
  
• XCUI Test (for specific teams)
  

• Gatling (lead performance tool in organisation)
  
• JMeter (nice to have)
  

• 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.
  

• 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.