Senior QA Engineer
TechBiz Global GmbH
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Role overview
TechBiz Global GmbH is hiring for the Senior QA Engineer role in Aachen, DE. It is full-time, Senior level, in the Tech sector. It was posted 6/2/2026.
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- Role
- Senior QA Engineer
- Company
- TechBiz Global GmbH
- Location
- Aachen, DE
- Work mode
- On-site
- Employment
- Full-time
- Seniority
- Senior
- Sector
- Tech
- Posted
- 6/2/2026
Description
At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio.
We are currently looking for a dedicated Senior Quality Engineer to join one of our clients' teams. If you're looking for an exciting opportunity to grow in an innovative environment, this could be the perfect fit for you.
Responsibilities:
Ending customer-reported bugs / by building an internal safety net that catches critical issues before release
Triage and reproduce incoming bug reports, and trace issues across logs, API calls, and session replays
Test features in active development and run a regression suite before every release
Establish QA sign-off as a standard part of the release process
Building the quality infrastructure from scratch / by defining the strategy, automation, and processes the team currently lacks
Define the testing strategy, standards, workflows, and documentation from the ground up
Design and implement an automation framework covering UI, API, and regression suites
Incrementally grow automated coverage of the highest-risk flows without disrupting delivery
Making quality a shared team capability / by embedding QA thinking across the development lifecycle
Track and report quality metrics so reliability is visible to the whole team
Translate customer bug reports into actionable test cases and durable coverage
Bring quality into requirements and design, not just release sign-off
Experience as the first or only QA engineer at a company or within a team - you have built a QA function from scratch, not inherited one
Experience testing complex third-party integrations (REST/SOAP APIs, external data providers, or similar) where your application depends heavily on responses you don't control
Experience shipping test automation from zero - not just maintaining an existing framework
Strong hands-on manual and exploratory testing skills across functional and regression testing for web applications
API and integration testing depth, including edge cases, error handling, data mapping, and contract validation between systems
Defect management and root-cause analysis - disciplined bug reporting, triage, prioritisation, and driving fixes for recurring issues rather than surface patches
Regression risk assessment - the judgement to define what "safe to ship" looks like for a given release
Cross-functional collaboration - working with developers, product, and customer-facing teams, and advocating for quality without slowing the team down
Awareness of the travel / Global Distribution System domain (e.g. booking flows, PNRs, fare rules, availability) is a strong plus - enough to avoid the test-coverage blind spots a generic QA engineer would miss
Experience or interest in early-stage or growth-stage startups, and comfort building structure in ambiguity
Fluency in English. Other languages are a plus.
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