> Markdown version of [/jobs/ext/1623116-performance-tester](https://www.wearedevelopers.com/jobs/ext/1623116-performance-tester). 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). --- # Performance Tester - **Company:** CGI Group Inc. - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, JIRA, Automation of Tests, Cloud Computing, Apache JMeter, Python (Programming Language), SQL Databases, Software Testing Automation Framework, Performance Testing, Postman, Blazemeter, Interactive Whiteboards, Api Management - **Published:** July 4, 2026 - **Apply:** https://www.free-work.com/en-gb/tech-it/job-mission/other/performance-tester-1 ## About the Role We're looking for someone with a solid technical foundation who is eager to develop a career in performance testing and test automation. You should be comfortable working in collaborative Agile environments, have strong analytical skills and enjoy solving technical challenges. Experience with cloud technologies and modern testing tools will help you succeed in this role. Essential qualifications: * Experience with Python. * Working knowledge of AWS and SQL. * Experience using JMeter for performance testing. * Experience with Postman for API testing. * Exposure to BlazeMeter and/or Taurus. * Familiarity with JIRA, Miro and Microsoft Teams. * Strong analytical, troubleshooting and problem-solving skills. * Excellent communication and collaboration skills. * Ability to work effectively as part of a distributed team. ## Description In this role, you will join an established CGI team delivering performance testing services for the developing the platform. CGI has successfully supported this programme for the past 18 months, and you'll work alongside an experienced Senior Performance Tester to help ensure the solution performs reliably under varying levels of demand. You'll review and develop performance test data, design and execute testing scenarios, analyse results and work with delivery teams to identify opportunities to improve system performance. This is an excellent opportunity for someone with the relevant technical background who is looking to transition into performance testing and test automation. You'll be supported by experienced colleagues while taking ownership of your work, developing new skills and contributing to the continued success of a collaborative UK-wide team that primarily works remotely using Microsoft Teams. Key responsibilities: * Develop & Execute load, stress and performance test scenarios using industry-standard tools. * Review & Create realistic performance test data and workload models. * Analyse & Report performance test results, identifying bottlenecks and recommending improvements. * Collaborate & Support developers, testers and project stakeholders to resolve performance issues. * Build & Maintain performance test assets using modern automation tools and frameworks. * Contribute & Improve testing processes, documentation and best practices across the programme. ## Related Videos - [Are Your APIs Ready for AI Agents](https://www.wearedevelopers.com/videos/2004-are-your-apis-ready-for-ai-agents) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Frontend Performance Testing in practice](https://www.wearedevelopers.com/videos/8-frontend-performance-testing-in-practice) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) ## Related Articles - [Benefits of Using JMeter For Performance Testing](https://www.wearedevelopers.com/magazine/96-benefits-of-using-jmeter-for-performance-testing) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [What is a Test Plan: Guide to Test Planning](https://www.wearedevelopers.com/magazine/191-what-is-a-test-plan-guide-to-test-planning) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)