Senior Quality Assurance Engineer - Backbone Core (BCO) (all genders)

Responsibilities

• Own the QA Strategy: Design, implement, and maintain comprehensive test strategies and automation frameworks for complex features spanning multiple internal systems and core integrations
• Risk & Edge-Case Analysis: Analyze product requirements and technical specs to uncover hidden edge cases, deep business logic scenarios, and potential system bottlenecks before code is written
• Cross-Functional Leadership: Act as a strategic bridge between Product Management and Engineering, ensuring testing aligns perfectly with client expectations and internal business processes
• Data Integrity & Reliability: Lead testing strategies (including regression and contract testing) to safeguard the reliability of high-volume data ingestion, transformation, and distribution pipelines
• Drive Quality Culture: Mentor other team members on QA best practices and continuously improve our testing methodologies and CI/CD pipeline integration
• What You Bring
• Deep Backend Expertise: 6+ years of experience in QA and test automation, with a heavy focus on debugging and validating complex REST backend applications
• Technical Mastery: Strong knowledge of HTTP protocols, contract testing, schema validation (OpenAPI/Swagger), and ensuring backward compatibility
• Asynchronous Architecture Savvy: Proven experience designing test approaches for background jobs, asynchronous workflows, and high-throughput data sync pipelines
• Automation First Mindset: Proficiency with API testing tools and automation frameworks (e.g., Postman, Newman, or language-specific frameworks like Python/Java/Node.js) and integrating tests into CI/CD pipelines
• Senior Leadership: Excellent communication skills in fluent English, a proactive mindset for shift-left testing, and a track record of driving agile quality processes
• Main Benefits
• Flexible working times
• 40% discount on our ABOUT YOU online shop
• Fresh fruits + drinks everywhere
• Language courses (German & English)
• Free sports courses & reduced price for Wellpass membership
• Subsidized public transportation ticket
• Free choice of hardware and operating system (Mac, Windows, Linux) also for private usage
• Modern office in the city center of Hamburg
• International working environment and English as company language
• Agile work environment and cross-functional teams
• Dog-friendly office
• Professional training
• Company pension plan
• Help in relocation and VISA process
• (Benefits may vary depending on location)
• Simply apply online via our career page - we will get back to you as soon as possible!
• A Place Where You Can Be You
• We take it as our responsibility to create an environment where everyone feels welcome, exactly as they are.
• Different backgrounds and perspectives make us stronger and shape our culture in ways that matter.
• What we stand for internally, we stand for as a brand: acceptance, inclusion, and a fairer approach to fashion.

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