> Markdown version of [/jobs/ext/2797044-senior-performance-tester-scale-a-streaming-platform](https://www.wearedevelopers.com/jobs/ext/2797044-senior-performance-tester-scale-a-streaming-platform). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Performance Tester - Scale a Streaming Platform - **Company:** Arrows - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Continuous Integration, Monitoring of Systems, Data Streaming, Performance Testing, Gatling - **Published:** September 8, 2026 - **Apply:** https://www.collegerecruiter.com/job/2840671536-senior-performance-tester-scale-a-streaming-platform ## About the Role A leading tech company in London is seeking an experienced Senior Performance Tester to join a high-performing team working on a global streaming platform. You will develop a performance testing framework, analyze trends, and mentor junior testers. The ideal candidate has over 5 years of experience in performance testing with a strong knowledge of Gatling, CI/CD tools, and monitoring technologies. This role offers a chance to work with cutting-edge tech and make an impact on a global platform. #J-18808-Ljbffr ## Related Videos - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [Frontend Performance Testing in practice](https://www.wearedevelopers.com/videos/8-frontend-performance-testing-in-practice) - [Python-Based Data Streaming Pipelines Within Minutes](https://www.wearedevelopers.com/videos/1233-python-based-data-streaming-pipelines-within-minutes) - [Measure and improve frontend performance by using test automation](https://www.wearedevelopers.com/videos/719-measure-and-improve-frontend-performance-by-using-test-automation) - [Load Testing AI: Aiming at a Moving Target](https://www.wearedevelopers.com/videos/1914-load-testing-ai-aiming-at-a-moving-target) - [Why and when should we consider Stream Processing frameworks in our solutions](https://www.wearedevelopers.com/videos/1085-why-and-when-should-we-consider-stream-processing-frameworks-in-our-solutions) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Benefits of Using JMeter For Performance Testing](https://www.wearedevelopers.com/magazine/96-benefits-of-using-jmeter-for-performance-testing) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)