Kolibri Games hiring 3D Senior Technical QA Tester, Germany
Are you a highly technical QA specialist who loves breaking code to make games better? Kolibri Games is seeking a proactive, ownership-driven Senior Technical QA Tester to join the Idle Bank Tycoon development squad in Berlin. In this role, you won’t just be checking off manual test boxes; you will own the quality of the game end-to-end—from identifying intricate edge cases and writing automated test scripts to performance profiling and continuous process optimization. At Kolibri Games, we believe that with the best people, we can build mobile games that players will enjoy for years to come. Kolibri Games’s blockbusters have defined the idle genre, bringing joy to hundreds of millions of players globally. Embedded deeply within a cross-functional team alongside Product, Game Design, and Engineering, you will bridge the gap between the technical depth of backend engineering and the player-facing craft of making sure mobile systems run flawlessly in the real world. Job Overview & Specifications : Senior Technical QA Tester Category Details Studio / Company Kolibri Games (Ubisoft Studio) Location Berlin, Germany Employment Type Full-Time, Permanent Department Quality Assurance / Engineering Target Project Idle Bank Tycoon Core Software / Stack Python, Unity (Desirable), Jira, Test Management Tools (Xray/TestRail) Platforms iOS and Android Automation Focus In-house Python Test Automation Platform Reporting Line Embedded in the Idle Bank Tycoon Cross-Functional Team Core Responsibilities as Senior Technical QA Tester End-to-End Feature Ownership: Own feature testing and test coverage from original product requirements down to the final release sign-off and post-launch live monitoring. QA Strategy & Architecture: Design, compose, and review high-level test plans and test maps. You will review submissions from fellow QA team members and architect the master QA strategy for highly complex live features. Python Test Automation: Write, scale, and maintain automated test scripts in Python using our proprietary, in-house Test Automation Platform. You will monitor regular branch runs and enforce critical sanity checks across release pipelines. Technical Performance Profiling: Execute deep technical analysis on iOS and Android builds, measuring runtime profiling, memory leaks, CPU/GPU usage, frame rate drops, and build size metrics. Regression Investigation: Actively monitor, isolate, and debug hardware regressions, build-size fluctuations (APK/IPA), and load-time inflation across sequential builds. Workflow Coordination: Oversee the master QA workload, manage priorities across internal and external tester networks, and coordinate team playtests leading up to game releases. Process Optimization: Maintain ownership over core QA KPIs while implementing AI-assisted tooling and workflow optimizations to evolve the team’s automated ecosystems. Required Skills & Profile for Senior Technical QA Tester Professional Experience Extensive, proven professional QA engineering experience within the mobile gaming industry, ideally embedded within a Free-to-Play (F2P) LiveOps environment. Strong English communication skills (both written and verbal) capable of translating technical development issues into actionable design tickets across cross-functional teams. Technical Skill Set Automation Fluency: Direct, hands-on experience script-writing and debugging automated test suites using Python. Performance Metrics: A solid, working knowledge of mobile game performance limitations—specifically tracking memory caps, build constraints, and frame pacing across iOS and Android systems. Tooling Ecosystems: Total comfort utilizing Agile/Scrum workflows in Jira alongside mainstream test management frameworks (e.g., Xray, TestRail, Zephyr). Modern Workflows: Familiarity using AI-assisted tooling to automate test generation, expedite log triaging, or optimize workflow pipelines. Desirable Skills (Bonus Points) Practical familiarity with the Unity game engine. Hands-on experience navigating native mobile profiling frameworks, such as Xcode Instruments or Android Profiler. Familiarity interacting with CI/CD deployment tools like Jenkins or GitLab. Basic understanding of SQL, data architecture pipelines, Firebase environments, and mobile SDK integration. What We Offer for Senior Technical QA Tester Kolibri Games offers a friendly, highly collaborative environment with ample opportunities to learn, experiment, and grow your career. We strive to provide a fair, transparent recruitment process and an elite candidate experience. When you become a “Kolibri,” you join a group of passionate creators who value data-driven execution, professional independence, and sustainable development processes. How to Apply : Senior Technical QA Tester If you enjoy diving deep into mobile codebases and ensuring flawless game execution for millions of players, apply through our Berlin engineering portal today! Please submit your CV along with any relevant documentation highlighting your automation or profiling background