Senior Technical QA Tester (f/m/d)

We are the company - 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.

Senior Technical QA Tester (f/m/d)

We’re looking for a Senior Technical QA Tester to join the Idle Bank Tycoon team in Berlin.

You’ll ownthe quality of the game end-to-end: from feature testing and test automation to performance profilingand process improvement; embedded in a cross-functional team alongside Product, Game Design, and Engineering.

If you enjoy both the technical depth of engineering and the craft of making sure thingsactually work for real players, this might be the right fit.

Responsibilities

• Own features and test coverage end-to-end, from identifying QA flows and edge cases based onproduct 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 teammembers and define the QA strategy for complex features.
• Perform technical QA analysis, when needed, including runtime profiling, memory analysis, CPU/GPU usage, and build size validation on i OS and Android.
• Monitor and investigate regressions: frame rate drops, load time increases, APK/IPA size changesacross builds.
• Proactively coordinate team playtests and continuously monitor release performance, raising redflags early.
• Drive continuous improvements to QA process and tooling, partnering with the QA manager onworkload and priorities across internal & external testers.
• Run and maintain automated test suites on our in-house Test Automation Platform, and convertmanual test cases into automated tests using the platform.
• Required Skills
• Strong hands-on manual QA/testing expertise across the full test lifecycle, ideally in mobile orgaming.
• Solid understanding of mobile game performance metrics: profiling, memory, build sizes, and framepacing on i OS and Android.
• Experience with test management tools (Xray, Test Rail, Zephyr or similar) and Agile/Scrumworkflows in Jira.
• Experience coordinating QA workload across internal and external testers.
• Familiarity with AI-assisted tooling for testing, triage, or workflow automation.
• Basic Python knowledge, enough to run automated test suites and convert manual tests toautomation using our in-house Test Automation Platform.
• Strong communicator in English (written and verbal) across cross-functional teams.
• Proactive, ownership-driven, and comfortable making calls in ambiguous situations.

Desirable Skills

• Extensive QA experience in mobile gaming, particularly F2P/Live Ops.
• Experience with CI/CD tools such as Jenkins or Git Lab.
• 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.

the company 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.

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.

We look forward to hearing from you!

• Your Benefits – We’re game to support you
• Competitive Salary - We believe that top performers should receive top payment
• Learning Budget - We believe in learning.

A generous personal learning budget to spend on learning and development, including books, workshops and attending conferences.

• We also offer in-house training such as coding and German classes
• Flexible Working Hours and Home Office – We believe in a good work-life balance
• Equipment - State-of-the-art technical equipment, including laptops and phones, which may also be used in your free time
• Kolicard - We offer you a monthly flexible budget of 50 euros that you can use for a gym membership, transportation, shopping etc.
• Mobility budget - We offer a monthly budget that will make your commuting to work easier
• Relocation - Relocation support to help you move to Berlin
• Pension - Opportunity to save for your pension tax-free
• Bonus Level – We love to have a good time, too
• Food and Drinks - Fresh fruits to keep you healthy and fresh coffee to keep you alert. We also have a fully stocked fridge with Smoothies, Coke, Club Mate, beer etc
• Parties and Team Events - Apart from our regular parties, BBQs and movie nights we also have a team event budget you can use to buy games or sports equipment to make working here even more fun
• Company Holidays - Every year we go on an amazing company holiday to relax and bond as a team
• Friday Celebrations - Company-provided dinner and drinks on Friday afternoons
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