Senior Test Specialist (m/f/n)

Testing

Senior Test Specialist (m/f/n)

Testing
Poland, Poland (Remote)

Shimi Sp. z o.o.

Full-time
B2B
Senior
Remote
12 205 - 12 693 USDNet per month - B2B

Job description

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

Tech stack

    English

    C1

    Playwright

    advanced

    Grafana

    advanced

    fastapi

    advanced

    pytest

    advanced

    Kubernetes

    advanced

    Python

    advanced

Office location