Senior Quality Assurance Engineer (Backend)

TL;DR

Senior Quality Assurance Engineer (Backend): Designing and maintaining test strategies and automation frameworks for complex enterprise commerce backbone systems with an accent on API reliability and data integrity. Focus on validating asynchronous workflows, high-throughput data pipelines, and contract testing.

Location: Must be based in or be able to relocate to Hamburg, Germany

Compensation: EUR 65,000 – 75,000 yearly

Company

SCAYLE is one of the fastest-growing enterprise commerce platforms in the world, enabling brands and retailers to realize their D2C ambitions.

What you will do

• Design, implement, and maintain comprehensive test strategies and automation frameworks for core integrations.
• Analyze product requirements and technical specs to uncover edge cases and potential system bottlenecks.
• Act as a strategic bridge between Product Management and Engineering to align testing with client expectations.
• Lead regression and contract testing to ensure the reliability of high-volume data ingestion and distribution pipelines.
• Mentor team members on QA best practices and optimize CI/CD pipeline integration.

Requirements

• 6+ years of experience in QA and test automation, focused on REST backend applications.
• Strong knowledge of HTTP protocols, contract testing, and schema validation (OpenAPI/Swagger).
• Experience designing test approaches for asynchronous workflows and high-throughput data sync pipelines.
• Proficiency with API testing tools (Postman, Newman) and frameworks in Python, Java, or Node.js.
• English: Fluent (C1) required.
• Location: Based in or relocating to Hamburg, Germany.

Culture & Benefits

• Flexible working times and a modern office in Hamburg city center.
• Relocation and VISA process support.
• Free choice of hardware and operating system (Mac, Windows, Linux) for professional and private use.
• 40% discount on ABOUT YOU online shop.
• Professional training, language courses (German & English), and a company pension plan.
• Health and wellness perks including subsidized public transport and Wellpass membership.