Senior Performance Tester - Non-functional - 3 month contract - paying £550 Inside IR35 - Hybrid (2 days a week)

We’re looking for an experienced Senior Performance Tester to join a high-performing team working on a global streaming platform that powers millions of users across video-on-demand and live services.

What you’ll do:

• Develop and maintain a Gatling-based performance testing framework integrated into CI/CD pipelines.
• Define non-functional requirements and performance acceptance criteria.
• Analyze performance test results and production metrics to identify trends, risks, and improvements.
• Work with modern technologies including Docker, Kubernetes, Kafka, and NoSQL databases.
• Mentor junior testers and drive continuous improvement in performance testing practices.

What we’re looking for:

• 5+ years’ experience in non-functional/performance ...