Senior Performance Tester
Role details
Job location
Tech stack
Job description
Design and execute load, stress, volume, soak, and scalability tests * Analyse performance results, logs, and system metrics to identify bottlenecks * Gather and Validate performance NFRs, volumetrics, and capacity assumptions * Prepare and maintain performance test scripts and execution runbooks * Execute tests in cloud-hosted (AWS) non-production environments * Raise performance defects with clear technical evidence * Support CI/CD integration for performance testing where required * Contribute to test reports, defect triage, and test completion evidence * Work closely with developers, architects, platform, and operations teams, Experience with APM tools (e.g. Dynatrace, AppDynamics, Elastic Search with Kibana/Grafana across digital services) * Public-sector or large programme delivery experience * Familiarity with GDS
Scope & Accountability * Responsible for hands-on performance test design and execution * Owns quality and accuracy of assigned test artefacts and results * Contributes analysis and recommendations but does not hold final assurance authority * Works under the direction of a Lead Performance Tester or Test Manager * Accountable for timely delivery of agreed performance testing activities
Requirements
Do you have experience in Performance testing?, Strong experience in performance testing of enterprise systems * Hands-on delivery using tools such as JMeter, Gatling, LoadRunner, k6 (or equivalent), Experience working in regulated or high-assurance environments