Senior Performance Testing Engineer (k6) – Scale & Automate

ERNI is seeking a senior performance testing engineer to shape scalable testing strategies for a large laboratory platform. You will design realistic performance scenarios, build reusable tooling, and containerized testing environments to validate production‑scale workloads.

You will work with k6, JMeter, Gatling, Docker and TestContainers, and collaborate on CI/CD pipelines using GitHub Actions. Mentoring colleagues and improving observability capabilities are key aspects of this role.