4 of 4 Scalability Testing Jobs in London

Analyse application performance and identify bottlenecks, capacity issues, and areas for optimisation. Develop automated performance test scripts and frameworks. Execute load, stress, endurance, and scalability testing activities. Produce detailed performance test reports and provide recommendations for improvement. Support defect investigation and resolution activities alongside development teams. Contribute … test planning, estimation, and assurance activities throughout the delivery lifecycle. Work within Agile delivery teams, participating in ceremonies and continuous improvement initiatives. Ensure testing activities align with HMRC quality standards, security requirements, and programme objectives. Mandatory Skills & Experience Performance Testing Strong experience in Performance Testing within enterprise ...

services that matter. Role Overview We are seeking a Lead Performance Tester/Performance Engineering Lead to provide end-to-end ownership of performance testing and performance assurance across complex digital services. This role acts as the performance authority , accountable for defining strategy, leading delivery, and providing formal recommendations … production readiness. Key Responsibilities Own the performance testing strategy for assigned services or programmes Lead volumetric analysis, performance risk assessment, and test scoping Define entry/exit criteria, success measures, and acceptance recommendations Provide performance engineering expertise , including architectural input Lead and coordinate load, stress, soak, and scalability ...

services that matter. Role Overview We are seeking a Lead Performance Tester/Performance Engineering Lead to provide end-to-end ownership of performance testing and performance assurance across complex digital services. This role acts as the performance authority , accountable for defining strategy, leading delivery, and providing formal recommendations … production readiness. Key Responsibilities Own the performance testing strategy for assigned services or programmes Lead volumetric analysis, performance risk assessment, and test scoping Define entry/exit criteria, success measures, and acceptance recommendations Provide performance engineering expertise , including architectural input Lead and coordinate load, stress, soak, and scalability ...

trade-offs on cost, risk and time. You plan, size and hand out the work, and keep the team unblocked while it ships. Security, scalability, availability and performance are design inputs on every initiative, not a hardening phase at the end. You cover tenant isolation, auth, data protection … decide what goes where, and push hard for the simplest solution the existing architecture can carry. You set the coding standards, API design, testing, quality gates, and security and dependency hygiene. That now covers how we work with coding agents: the rules they follow, the skills and MCP integrations ...