Senior QA Engineer

. Build, develop, and own comprehensive, risk-based test plans for complex features and system integrations .

Posted 10/7/2026full-timeGdansk • PolandSeniorWebsite

Tools & technologies

Distributed SystemsJenkinsSDLCSQL

Key responsibilities & impact

Build, develop, and own comprehensive, risk-based test plans for complex features and system integrations
Identify potential quality issues and risks in requirements and architecture and provide constructive feedback
Define manual, automated, performance, and security testing scope across client and server
Complete complex manual and automated full-stack tests
Analyze test results and identify root causes of defects
Manage the full defect lifecycle and ensure high-quality reporting and timely resolution of critical integration issues
Establish and report key quality metrics and provide product health visibility to collaborators
Use testing tools and systems including bug tracking, test case management, and SQL
Contribute to test automation frameworks for API and client-side testing
Mentor QA engineers on end-to-end testing, problem-solving, and career growth
Partner with developers and product managers on requirements and quality expectations
Promote a quality-first culture, continuous improvement, knowledge sharing, and quality discussions
Improve cross-functional testing processes and tooling
Coordinate with offshore testers and work closely with the other Lead QA

What you’ll need

5+ years of professional experience in QA
Proven track record of testing complex, distributed systems
Expert understanding of SDLC, QA methodologies, and testing approaches including closed system, grey box, and integration testing
Skilled in RESTful API testing
SQL/database fundamentals
Client-side testing experience
Ability to analyze complex systems, identify risks, and make pragmatic decisions
Strong problem-solving skills
Proficient communication skills
Ability to articulate complex technical concepts clearly, influence collaborators, and lead quality initiatives
Demonstrated continuous learning and proactive improvement of personal and team skills
Experience working in the gaming industry is nice to have
Familiarity with CI/CD pipelines such as Jenkins is nice to have
Experience with performance and load testing tools is nice to have
Proficiency with monitoring and analytics tools such as New Relic and Redash is nice to have

Comp & perks

Annual bonuses and incentives may be available depending on role and location
Health and wellbeing benefits may be available depending on role and location
Paid time off may be available depending on role and location
Retirement plans may be available depending on role and location
Insurance coverage may be available depending on role and location
Other local or statutory benefits may be available depending on role and location
Comprehensive pay and benefits package
Pay-for-performance compensation approach