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QA Engineer (Anti-Fraud Team) f/m/d


adjoe is a leading mobile ad platform developing cutting-edge advertising and monetization solutions that take its app partners’ business to the next level. Part of the applike group ecosystem, adjoe is home to an advanced tech stack, powerful financial backing from Bertelsmann, and a highly motivated workforce to be reckoned with.

Meet Your Team: Anti-Fraud Solutions

Industry experts report that 20 percent of global mobile ad spend can be identified as fraud. adjoe’s Anti-Fraud team has both validated this number and prevented fraudulent users from entering partners’ ad spend.
The team’s software includes two major components.
1) A distributed backend system with modern cloud infrastructure that provides different interfaces to partners.
2) A unique mobile SDK that analyzes device features to detect modifications via xposed or magisk.
With no one-size-fits-all solution, the Anti-Fraud team works with a large set of features. From detecting attempts based on data with static patterns, using proprietary solutions to detect software manipulation, marking network traffic abnormalities, and identifying when to warn or even block requests.
Join a team that is excited about the latest technologies and is highly interested in data, security, cloud computing, and mobile operating systems. Not to mention a team that celebrates many awards for leading the way in fraud prevention.

What You Will Do

  • You will work in cross-functional teams to achieve the highest level of quality across the software development lifecycle and support the development of our automated testing strategy via the CI pipeline.
  • You will collaborate with adjoe’s Product Leads to develop and execute comprehensive test strategies and plans.
  • You will conduct manual test cases using mobile apps and analyze results to ensure our mobile SDK and APIs are working correctly and verify that our protection against fraud keeps fraudsters at bay.
  • You will play a key role in reporting and troubleshooting any bugs or errors that may occur.
  • You will take ownership of post-release and post-implementation testing.
  • You will propose new automation scenarios & work on increasing auto-test coverage.
  • You will be part of an international English-speaking team dedicated to scaling our adtech platform beyond our hundreds of millions of monthly active users.

Who You Are

  • You have 3 years of experience as a Quality Assurance Engineer or similar.
  • You are experienced in QA methodology.
  • You are familiar with Agile frameworks and regression/smoke/LIT testing.
  • You are able to document and troubleshoot errors.
  • You have experience testing mobile apps and know what rooting is or how to root a device.
  • You have done extensive testing on both Android and iOS devices.
  • You have also done extensive testing of backend APIs e.g. via Postman and curl and know how to manipulate requests using these tools.
  • You have a working knowledge of test management software (e.g. testmo, qTest, Cypress, Zephyr) and SQL.
  • You have hands-on experience with Automation Testing Tools (e.g. Appium, Selenium, or Playwright).
  • You have excellent communication skills.
  • You pay attention to detail.
  • You have an analytical mind and problem-solving attitude.
  • You have strong organizational skills.

Heard of Our Perks?

  • Work-Life Package: 2 remote days per week, 30 vacation days, 3 weeks per year of remote work, flexible working hours, dog-friendly kick-ass office in the center of the city.
  • Relocation Package: Visa & legal support, relocation bonus, reimbursement of German Classes costs, and more.
  • Happy Belly Package: Monthly company lunch, tons of free snacks and drinks, free breakfast & fresh delicious pastries every Monday
  • Physical & Mental Health Package: In-house gym with a personal trainer, various classes like Yoga with expert teachers & free of charge access to our EAP (Employee Assistance Program) to support your mental health and well-being
  • Activity Package: Regular team and company events, and hackathons.
  • Education Package: Opportunities to boost your professional development with courses and training directly connected to your career goals
  • Wealth building: virtual stock options for all our regular employees
Skip writing cover letters. Tell us about your most passionate personal project, your desired salary and your earliest possible start date. We are looking forward to your application!
We welcome applications from people who will contribute to the diversity of our company.
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