Senior Technical QA Tester

• Own features and test coverage end-to-end, from identifying QA flows and edge cases based on product requirements to release sign-off and post-release monitoring of the game.

• Design, write, and review test plans and test maps; review submissions from other QA team members and define the QA strategy for complex features.

• Write and maintain automated test scripts in Python within our in-house Test Automation Platform; monitor branch runs and enforce sanity checks on release.

• Perform technical QA analysis, when needed, including runtime profiling, memory analysis, CPU/GPU usage, and build size validation on iOS and Android.

• Monitor and investigate regressions: frame rate drops, load time increases, APK/IPA size changes across builds.

• Coordinate team playtests and game releases; oversee QA workload and priorities across internal and external testers.

• Own QA KPIs and drive continuous improvements to process and tooling., We provide a monthly fitness bonus. Enjoy your time outside the office by picking the activity that suits you, from Urban Sports Club, to covering your gym membership

Company Holidays

We plan amazing company holidays to relax and bond as a team

Learning Budget

We're serious about supporting your professional growth. You'll get a yearly learning budget to spend on any form of learning that will help you develop your skills and grow in your role

Relocation

Moving to another country can be stressful. Our HR team will guide and support you, making sure that you (and your family) make your way to Berlin as smoothly as possible

30 Days Holiday

Our company implements a 30-day yearly holiday policy for all Kolibris. This means you have plenty of time to enjoy life outside of work

Fun Social Events

From BBQ's and movie nights to team lunches and more. We also have a team event budget you can use to buy games or sports equipment to make working here even more fun. On Fridays after work, there's dinner and drinks waiting for everyone at the office

Kolibri Games is an equal opportunity employer. We come from 40 different countries and many different backgrounds. We celebrate diversity and we are committed to creating an inclusive environment for all employees, regardless of their age, gender identity, sexual orientation, ethnicity, religion, physical appearance or disability.

• Extensive QA experience in mobile gaming, ideally in an F2P/LiveOps environment.

• Hands-on experience writing and maintaining automated test scripts in Python.

• Solid understanding of mobile game performance metrics: profiling, memory, build sizes, and frame pacing on iOS and Android.

• Experience with test management tools (Xray, TestRail, Zephyr or similar) and Agile/Scrum workflows in Jira.

• Experience coordinating QA workload across internal and external testers.

• Familiarity with AI-assisted tooling for testing, triage, or workflow automation.

• Strong communicator in English (written and verbal) across cross-functional teams.

• Proactive, ownership-driven, and comfortable making calls in ambiguous situations.

Desirable Skills

• Experience with CI/CD tools such as Jenkins or GitLab.

• Familiarity with Unity.

• Hands-on experience with mobile profiling tools (Xcode Instruments, Android Profiler, or equivalent).

• Familiarity with Firebase, SDKs, and third-party plugins.

• Basic SQL and familiarity with data pipelines., We are an international studio, so don't forget to send in your application in English. Although it is not mandatory, we always appreciate a cover letter stating your motivation to join us.

Pulled from the full job description

• Gym membership
• Flexible schedule

We are Kolibri Games - a mobile games developer from Berlin. We believe that with the best people, we can make games that players will enjoy for years to come. Our games have defined the idle genre, and bring enjoyment to hundreds of millions of players all around the world. This is possible due to the talented people who make us who we are. 'Kolibris', as we call ourselves, are on a mission to continue making great games and we're looking for new talent to join our team. We strive to offer you a fair recruitment process and a great candidate experience, as well as a friendly environment to work in, with plenty of opportunities to learn and grow.