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

Hamburg, HH, de💼 Full-time🗓 2026-06-03 → 2026-07-30

Core

Design, implement, and maintain comprehensive test strategies and automation frameworks for complex features spanning multiple internal systems and core integrations.

Role type

Senior Quality Assurance Engineer (Backend/Integration)

Builds

High-volume data ingestion, transformation, and distribution pipelines; complex REST backend applications.

Domain

Enterprise eCommerce / Backend Systems

Deliverable

production ML models | product features | dashboards & analysis | infrastructure

Required skills

Test strategy design, automation framework development, REST API testing, contract testing, schema validation, debugging complex backend systems, CI/CD integration, asynchronous workflow testing, regression testing.

Preferred skills

Shift-left testing, mentoring team members, improving testing methodologies.

Technologies

Postman, Newman, Python, Java, Node.js, OpenAPI, Swagger, HTTP protocols.

Responsibilities

Design and maintain test strategies and automation frameworks; analyze product requirements to uncover edge cases and business logic scenarios; lead testing strategies for data pipelines; mentor team members on QA best practices.

Seniority

Senior, hands-on IC with leadership responsibilities.

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