QA Lead - Mobile App and Platform

As QA Lead on the Platform side at JustPlay, you’ll lead and scale quality assurance for our core app experience - the foundation that powers our games, live operations, and player rewards. You’ll ensure the platform runs seamlessly across devices, regions, and releases, setting the standard for quality, reliability, and user experience.

Job Requirements

• Own the full QA lifecycle for JustPlay’s app and platform features — from test planning and execution to reporting and defect management.
• Partner with development, design, and product teams to integrate QA best practices early in the release cycle.
• Design and maintain comprehensive test plans and automated suites for key user flows (login, payments, live events, notifications, etc.).
• Lead, mentor, and scale the QA team — setting up clear processes, code quality standards, and testing frameworks.
• Implement automation and regression testing strategies using tools, preferably Maestro, or for example, Espresso, XCTest or Appium.
• Use contract testing (e.g., Pact) to validate backend and service integrations.
• Apply performance and reliability testing across mobile platforms to ensure smooth user experiences.
• Drive innovation through AI-driven testing and predictive analytics to detect risks and reduce manual effort.
• Foster a strong quality culture across teams by tying QA goals to product velocity and platform reliability.
  
  

Job Responsibilities

• 5+ years of experience in QA for mobile apps or platforms, including at least 2 years leading teams.
• Proven ability to design scalable QA processes in fast-paced, development-heavy environments.
• Hands-on experience with mobile debugging tools (Android Studio, Xcode) and network analysis tools like Charles.
• Solid understanding of automation frameworks and CI/CD pipelines.
• Familiarity with project and documentation tools such as Jira and Notion.
• Strong attention to detail and a user-first mindset.
• Bonus: Experience in backend integration testing, API monitoring, and contract testing frameworks.
  
  

Job Benefits

• Work-Life Balance and Flexibility: Flexible working hours and options for digital nomads, occasional office visitors, or regular office-goers
• Employee Stock Options: Opportunity to join our Virtual Share Option Program (VSOP) and share in the success of an already profitable company
• Mental Health Support: Free personal coaching through our partner nilo.health to support our team members to live fulfilled lives at home and at work
• Training & Development: A competitive personal development budget of up to 2000€/year for training, conferences, workshops, etc., and free language courses with Chatterbug
• Germany-Based Benefits: 25 vacation days, free Gympass gold subscription, free monthly Deutschland-Ticket, and a monthly €50 tax-free internet contribution
• State-of-the-Art Equipment: Doesn’t matter if you are a MacBook or Windows user; we will provide you with the technical gear you need to succeed
• A Relocation Package: Includes visa support for those who need it
• Berlin Office Perks: Ergonomic setup, free daily lunch, and a dog-friendly environment.
• Engaging and Diverse Work Environment: Join a diverse team, with over 30 nationalities working from 20 different locations
• Benefits may vary depending on location and contract type. Do not hesitate to ask us about more details on our benefits offer.
  
  

About Us

Come join the team building the engine behind rewarded mobile gaming - making playtime truly rewarding. At JustPlay, we’re on a mission to power a fairer, more sustainable Play-to-Earn ecosystem where players earn real value for their time, funded through a self-sustaining loop.

Since launching in 2020, we’ve grown into one of the world’s leading loyalty gaming platforms, with 25M+ downloads and 500K+ daily active users. Bootstrapped and headquartered in Berlin, we own and operate the full stack: the JustPlay app, adtech monetization, first-party games, and automated payouts. With a team across 20+ countries.

We’re helping shape a major shift in mobile gaming and it’s still early enough for you to make your mark. At JustPlay, you’ll have the freedom and ownership to build end to end, move with startup speed backed by veteran leadership, and ship work that reaches millions - in a company that’s profitable, built to last, and focused on outcomes over hype.