QA Engineer (f/m/d)

adjoe

Contract type

Ongoing

Work mode

On-site · On-site (see listing for address)

Experience

Mid-level · 3+ years

Job description

Design and execute structured and exploratory test cases
Validate complex user journeys across frontend and backend
Perform regression testing before releases
Identify edge cases and risk areas early and document clear, reproducible bug reports in Jira
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
Test APIs and data-driven dashboard features
Participate in refinement and sprint planning from a QA perspective
Help define acceptance criteria and test strategies
Proactively flag quality risks before they reach release
Company mission
To build the infrastructure behind one of the most impactful platforms in adtech, reaching hundreds of millions of users and powering billions of decisions every day

Core technologies

SQL

Relocation support to Hamburg, Germany
Work on projects with impact on 770M users
Ship solutions multiple times a day
Collaborate across teams in a diverse, global team of people from over 40 different countries
Celebrate wins and enjoy daily victories

3+ years of hands-on automation experience
Strong manual testing foundation
Experience with UI and API test automation tools such as Playwright, Cypress, or Postman
CI/CD integration experience is a plus
API and data testing experience
Basic SQL knowledge for backend data validation
Experience in SaaS, AdTech, or performance marketing environments is a plus
Open to talent worldwide with relocation support to Hamburg, Germany
Playwright, Cypress, Postman, SQL, Jira
SQL