QA Analyst (f/m/d)

Posted 10 Days Ago
Be an Early Applicant
Hamburg, DEU
Hybrid
Mid level
AdTech
Building innovative technologies to redefine advertising and monetization.
The Role
Perform manual and exploratory testing across frontend and backend, validate APIs and data using SQL, contribute to UI/API automation (Playwright/Cypress/Postman), document bugs in Jira, participate in sprint planning, and own quality and regression testing before releases.
Summary Generated by Built In

adjoe builds the technologies behind mobile apps growth and monetization. With our core product Playtime Arcade, we've become the global leader in rewarded advertising, an ad unit built on a simple premise: users earn real in-app rewards for engaging with new apps. The result is one of the most effective value exchanges in adtech, connecting advertisers and publishers with over 770 million users annually.

Providing Configurations to Orchestrate 50M+ daily events across 100+ microservices

The Dashboards team is responsible for the systems and interfaces that define our partners' daily operations. We build the campaign management APIs, analytics engines, and high-throughput tools that allow advertisers and publishers to configure, monitor, and optimize their activity on our platform. 

Managing this system isn't just about UI workflows, it’s about maintaining the configuration layer that is responsible for the behavior of our entire ad engine. Every modification in our tooling from campaign parameters and publisher settings to promotion logic and billing cycles, triggers changes across 100+ downstream microservices in real-time. We use Go, Kafka, SQS/SNS, and MySQL to build the high-throughput backend APIs, and TypeScript and React on the frontend to translate partner configurations into actions. Our configurations drive the experience for 770 million annual users, requiring high precision across our entire ad stack.

Your Mission & Who We Are Looking For:

  • 3+ years in QA with a strong manual testing foundation. You design and execute structured and exploratory test cases, validate complex user journeys across frontend and backend, and perform regression testing before releases. You identify edge cases and risk areas early and document clear, reproducible bug reports in Jira.

  • API and data testing is part of your toolkit. You test APIs and data-driven dashboard features, and have basic SQL knowledge for backend data validation. You understand what correct looks like at the data layer, not just the UI.

  • Automation is a growing part of your work. You contribute to UI and API test automation using tools like Playwright, Cypress, or Postman, identify critical regression flows worth automating, and maintain existing test suites. CI/CD integration experience is a plus.

  • Quality ownership from day one. You participate in refinement and sprint planning from a QA perspective, help define acceptance criteria and test strategies, and proactively flag quality risks before they reach release.

  • Plus: Experience in SaaS, AdTech, or performance marketing environments.

🌎 We welcome applications from talent worldwide and provide relocation support to Hamburg, Germany for those ready to join our team.

What’s in It for You?

At adjoe, you’re not here to just close JIRA tickets, you’re helping build the infrastructure behind one of the most impactful platforms in adtech. The systems you work on will reach hundreds of millions of users and power billions of decisions every day.

  • Go Big. Own projects with impact on 770M users and push adtech boundaries.

  • Move Fast. Ship solutions multiple times a day, learn from results, and keep momentum.

  • Be Direct. Solve problems openly and collaborate across teams.

  • Thrive Together. Grow with a diverse, global team of people from over 40 different countries that learn from each other. 

  • Have Fun. Celebrate wins, enjoy daily victories, and bring your energy.

We welcome applications from people who will contribute to the diversity of our company.

Skills Required

  • 3+ years in QA with a strong manual testing foundation
  • Design and execute structured and exploratory test cases; perform regression testing
  • Validate complex user journeys across frontend and backend and identify edge cases
  • Document clear, reproducible bug reports in Jira
  • API and data testing with basic SQL knowledge for backend data validation
  • Contribute to UI and API test automation using Playwright, Cypress, or Postman and maintain test suites
  • CI/CD integration experience
  • Experience in SaaS, AdTech, or performance marketing environments
  • Participate in refinement and sprint planning, define acceptance criteria, and flag quality risks
Am I A Good Fit?
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The Company
HQ: Hamburg
200 Employees
Year Founded: 2018

What We Do

adjoe is a leading advertising and monetization platform providing publishers and advertisers with cutting-edge solutions to engage their audience and scale their business. By harnessing the power of rewarded engagement and premium targeting we help advertisers reach their most valuable users. adjoe’s proprietary technologies give publishers the opportunity to level up their current monetization strategies in order to create a meaningful engagement loop for users and grow revenue.

Why Work With Us

Despite our diverse nationalities and backgrounds, we work with one mindset, one goal, five values – and with a lot of fun. Whether that’s from our modern office in the city center or from home. Besides working in tight-knit teams, we trust you to own your learning, tasks, and technology to make great things happen.

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