Belgium onlyThe Eclipse Foundation is a globally recognized nonprofit that supports a vibrant ecosystem of open source projects and contributors. We provide a vendor-neutral, collaborative environment for innovation across industries including cloud, edge, AI, and developer tooling. Our team is remote-first, inclusive, and passionate about open source infrastructure and quality.
Position Summary
We’re seeking a Performance Engineer / Performance Analyst to help validate the performance and reliability of the Open VSX Registry. Reporting to the Senior Manager, Site Reliability Engineer, your role focuses on stress testing, quality assurance, and performance analysis to ensure the platform can scale and operate efficiently in production environments. You’ll work closely with infrastructure and SRE teams to identify bottlenecks, resource constraints, and architectural inefficiencies.
What You’ll Do
- Design and execute stress tests to simulate high-load scenarios on critical services used by millions of community members, including the Open VSX Registry
- Develop automated test suites for performance, reliability, and regression testing
- Analyse system behavior under load and identify potential bottlenecks or failure points
- Collaborate with development teams and infrastructure engineers to optimise resource usage and scalability
- Document test results and provide actionable recommendations for improvements
- Monitor system metrics and logs to assess performance trends over time
- Contribute to quality assurance processes and release readiness reviews
- Support incident analysis and postmortem investigations related to performance issues
- 3+ years of experience in software testing, QA, or performance engineering
- Familiarity with Kubernetes, containerized environments, and cloud infrastructure
- Experience with load testing tools (e.g., JMeter, Locust, k6) and observability platforms
- Strong scripting skills (e.g., Python, Bash) and comfort with CI/CD pipelines
- Ability to interpret system metrics and logs to diagnose performance issues
- Excellent communication and documentation skills
- Bonus: experience testing open source registries or developer platforms
- Flexible hours and remote-first culture
- Opportunity to shape the reliability of a key open source service
- Collaborative, mission-driven team environment
- Competitive compensation for part-time or contract contributors
The Eclipse Foundation respects the dignity and independence of people with disabilities and is committed to providing accommodation and support throughout any recruitment process. If you require any special accommodation or support, please let us know when applying.
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