QA Automation Engineer (UI and API)

TL;DR

QA Automation Engineer (UI and API): Develop and maintain end-to-end test suites using Playwright (TypeScript) covering UI interactions and API logic for mobile ad-tech offerwall with an accent on data consistency, performance, and JS-to-Native bridge validation. Focus on designing sophisticated API tests, utilizing AI tools for self-healing tests and synthetic data, and owning quality gates in CI/CD pipelines.

Location: Hybrid in Hamburg with core office days on Monday, Tuesday, and Thursday; 3 weeks remote per year; relocation support to Hamburg including visa and bonus.

Company

hirify.global redefines mobile ads with AI-powered offerwall (Playtime, Arcade) and programmatic bidding, connecting app developers to 600M+ users worldwide from offices in Hamburg, Boston, Singapore, and Tokyo.

What you will do

• Develop and maintain end-to-end Playwright test suites for UI interactions and API logic.
• Design and execute API tests for payloads, status codes, and data consistency across microservices.
• Use AI tools for test script authoring, synthetic data, and self-healing UI tests.
• Validate Offerwall rendering in web-views/mobile browsers with visual regression tools.
• Query datastores (DynamoDB, Redis, MySQL) to verify frontend actions.
• Own quality gates in CI/CD pipeline and test JS-to-Native bridge for SDK events.

Requirements

• 3+ years in QA Automation with proficiency in Playwright and TypeScript/JavaScript.
• Extensive experience testing RESTful APIs (Postman, Insomnia, Playwright) including edge cases, mocking, and error handling.
• Experience with datastores like MySQL, DynamoDB, Redis.
• Use of AI coding assistants and knowledge of mobile ad-tech industry.
• Ability to translate bugs into actionable feedback and prioritize risks.
• Experience structuring test plans, documentation, and CI/CD integration.

Nice to have

• Experience with Testmo or similar frameworks.
• Understanding of hirify.global’s business model.

Culture & Benefits

• Hybrid setup with flexible hours, 30 vacation days, 3 weeks remote/year, in-house gym, and mental health support via EAP.
• Central Hamburg office with lake view, top equipment, snacks/drinks.
• Development program, regular feedback, team events, hackathons.
• Relocation support: visa, German lessons, relocation bonus.

Hiring process

• Skip cover letters; share passionate project, desired salary, earliest start date.