Senior QA Engineer - Mobile Ad Tech

About the Role

We are looking for a Senior QA Engineer remote who takes personal ownership of product quality, ensuring that every solution we deliver is stable, performant, and backed by clear documentation. Your expertise will allow you to navigate complex systems and predict potential points of failure, ensuring we consistently deliver the rigorous, high-quality results our top partners depend on.

adjoe is redefining the future of mobile ads. Powered by advanced AI, first-party data, and world-class engineers, we’ve perfected the offerwall experience for monetizing and scaling app publishers with solutions like Playtime and Arcade – now the fastest growing rewarded advertising channel globally – driving incremental engagement, retention, and revenue. At the same time, we’re breaking into programmatic advertising with the intelligent bidding system of adjoe Ads. Together, this ecosystem connects app developers to over 600 million users worldwide for scalable growth. Backed by a $100 million investment from Bertelsmann and operating from offices in Hamburg, Boston, Singapore, and Tokyo, adjoe is defining the next stages of app and ad experience – right now. Join us.

What You'll Do

• Design and implement automated testing solutions and coordinate with the infrastructure team to integrate them into the CI/CD build pipeline.
• Monitor system behavior, including network transfer rates, file size optimization, and database architecture efficiency.
• Improve the internal testing infrastructure, including automation and data generation.
• Constantly review our products against the market. You’ll sift through logs, identify edge cases, and perform competitor benchmarking to suggest product improvements.
• Take an active role in sprint and release planning, highlighting missing requirements and identifying potential architectural risks early in the lifecycle.
• Maintain a deep understanding of adjoe’s business model and the mobile advertising industry at large.

Requirements

• You hold a degree in Computer Science (or a related field) and have several years of experience analyzing and testing complex software systems.
• You have extensive experience designing automated tests using frameworks like Selenium, Appium, Testmo, or Playwright, and you are comfortable working with APIs and datastores like MySQL, DynamoDB, and Redis.
• You naturally probe for what might go wrong, accurately gauging risks and prioritizing issues based on their impact on the business and the user.
• You thrive when imposing order on a team’s workflow, from structuring test plans to ensuring that documentation is comprehensive and accurate.
• You understand the mobile ad-tech industry and adjoe’s business model, allowing you to contribute meaningfully to product strategy.

Nice to Have

• Experience with cloud services, particularly AWS.
• Familiarity with data processing tools like AWS Athena, Kafka, Spark, and S3.
• Knowledge of Golang is a plus.

What We Offer

• Invest in Your Future: Regular feedback and our development program support your growth, helping you expand your skill set and achieve your career goals.
• Easy Arrival to adjoe: Comprehensive relocation support including visa assistance and a relocation bonus.
• Live Your Best Life: Hybrid work setup with flexible hours, 30 vacation days, and access to an in-house gym.
• Thrive Where You Work: Modern office with top-notch equipment and a variety of snacks and drinks.
• Join the Community: Participate in regular team and company events, including hackathons and social gatherings.