Senior Test Specialist (m/f/n)
We are currently seeking an experienced Senior Test Specialist (m/f/n) to support our client, one of the UE organization, in advancing large‑scale digital transformation initiatives. This role is ideal for a highly technical QA professional who thrives in complex environments, takes full ownership of end‑to‑end quality, and ensures reliability across modern, cloud‑native and AI-driven systems.
You will be responsible for building automated test suites, validating REST/gRPC services, testing AI/LLM pipelines, and ensuring observability‑driven quality across distributed architectures.
Requirements:
Experience: Minimum 10 years of experience in software testing with strong expertise in Python-based backend systems.
EU citizenship is mandatory.
Fluency in English (written and spoken); proficiency in another European language is a plus.
Technical Skills:
Advanced Python testing expertise (asyncio, fixtures, parametrization)
Solid experience with FastAPI or equivalent backend frameworks
Strong proficiency with pytest and Playwright
Experience with REST and gRPC API test automation
Solid understanding of CI/CD (GitHub Actions, GitLab CI)
Hands-on experience with Kubernetes and containerized deployments
Ability to design realistic, production-like test environments
OpenTelemetry experience (traces, metrics, logs)
Familiarity with Jaeger, Grafana, or similar stacks
Ownership mentality from API entry point to AI pipeline output
Ability to identify flaky tests and eliminate root causes
Strong analytical and debugging skills
What We Offer:
B2B contract signed directly with the client.
Remote work setup with one visit per month to the Luxembourg office (2–3 days).
Rate: 500-520 EUR/day.
Full-time engagement.
The opportunity to work on complex and challenging projects
Senior Test Specialist (m/f/n)
Senior Test Specialist (m/f/n)