1 to 25 of 119 Performance Testing Jobs in London

Work on performance testing projects covering API, Front End, and UI-based performance testing Gather performance test requirements through project and client engagement meetings Review and analyse non-functional requirements (NFRs) to ensure they are clear and testable Develop performance test scripts Execute … report on performance tests to technical and business stakeholders Identify performance test failures against NFRs Perform performance testing against Azure infrastructure Carry out performance test analysis Communicate issues and risks clearly and promptly to relevant stakeholders Support performance testing projects for public ...

outcomes. You understand and align with Solirius Reply Values The Role: We are looking for experienced Non Functional Test Engineers with demonstrable experience in Performance Testing and Non Functional Testing to join us on a permanent basis and assist with the running of our performance testing projects. You will be involved in overall NFT as well as API testing, Front End testing and UI based performance testing on behalf of both our public and private sector clients. Those not from a performance testing background, or without demonstrable experience ...

work on meaningful projects that deliver lasting impact The Role: We are looking for experienced Non Functional Test Engineers with demonstrable experience in Performance Testing and Non Functional Testing to join us on a permanent basis and assist with the running of our performance testing projects. You will be involved in overall NFT as well as API testing, Front End testing and UI based performance testing on behalf of both our public and private sector clients. Those not from a performance testing background, or without demonstrable experience ...

effective outcomes. You understand and align with Solirius Reply ValuesThe Role: We are looking for experienced Non Functional Test Engineers with demonstrable experience in Performance Testing and Non Functional Testing to join us on a permanent basis and assist with the running of our performance testing projects. You will be involved in overall NFT as well as API testing, Front End testing and UI based performance testing on behalf of both our public and private sector clients. Those not from a performance testing background, or without demonstrable experience ...

commitment to user-centred design and agile delivery, and more to deliver innovative digital 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 on 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 ...

Performance Test Engineer £475/day | Inside IR35 | Primarily Remote | Occasional Travel to London | Until 31st March 2027 | ASAP Start *** MUST have NHS or Gov. Experience *** We're looking for an experienced Performance Test Engineer to join a large-scale enterprise transformation programme, helping to ensure the performance, scalability and operational readiness of critical cloud-based services. You'll work closely with engineering, DevOps and QA teams to design and execute performance testing strategies, analyse system behaviour under load, and provide recommendations to improve application resilience and user experience. Key Responsibilities Design, develop and execute ...

looking for a Senior QA Engineer, Performance & Scalability who doesn't wait to be told what to test. You'll own performance and scalability across our platform, 30+ microservices, event-driven flows, and the legacy dependencies that come with a real production system at scale. This … load test before release" role. This is a role where you make performance a first-class concern from day one, where you define the thresholds that decide pass or fail, and where you hold the bar when something is degrading and nobody yet knows why. ...

looking for an AI Automation Tester to support IBM on a major programme of work The role will focus on designing and executing automated testing across an AI-enabled solution, covering traditional functional and integration testing alongside the additional challenges involved in validating AI-generated responses and behaviours. … continues to meet requirements as it develops. Key Responsibilities Design, build and maintain automated tests across the AI solution Execute functional, integration and regression testing Develop and maintain automated test suites Perform API testing across integrated services Validate AI-generated responses and system behaviours Design appropriate test scenarios ...

with both our clients and our own employees. We are passionate about training, technology and career development. Key Responsibilities Design, develop, execute, and maintain performance test plans and test scenarios. Collaborate with Business Analysts and client teams to understand functional and non-functional requirements. 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 to test ...

fostering best practices Keep up to date with industry standards and advances Oversee development, implementation, and maintenance of automated test scripts Verify usability, functionality, performance, and scalability of company and client applications Build automation tools and expand framework functionality for team requirements Establish processes for automation and performance monitoring Contribute to Quality Engineering and client teams in establishing automation and testing best practices Collaborate with diverse teams to address automation challenges Coordinate efforts to resolve performance test failures Work directly with public- and private-sector clients Travel as required by clients, primarily to London Requirements ...

Assurance Identify practical applications of generative AI, machine learning and agentic AI Translate concepts into repeatable, commercially viable services and accelerators Shape approaches for testing, validating and monitoring AI systems Encourage disciplined experimentation that delivers measurable value Requirements Significant experience within software Quality Engineering, testing or Digital Assurance … Strong technical understanding of modern test automation approaches, architectures and frameworks Strong knowledge of performance testing and performance engineering Experience with modern Agile, DevOps and CI/CD delivery models Experience defining Quality Engineering strategies, frameworks or technical standards Strong understanding of generative AI and related technologies ...

user-centred design and agile delivery, and more to deliver innovative digital services that matter. Role Overview We are looking for a Senior Performance Tester to deliver hands-on load and performance testing across large-scale digital services and Back End applications, with experience of working with … cloud-based distributed services. This is a technical, delivery-focused role operating in structured and governed environments where performance, resilience, and scalability are critical to service success. Key Responsibilities Design and execute load, stress, volume, soak, and scalability tests Analyse performance results, logs, and system metrics to identify ...

user-centred design and agile delivery, and more to deliver innovative digital services that matter. Role Overview We are looking for a Senior Performance Tester to deliver hands-on load and performance testing across large-scale digital services and Back End applications, with experience of working with … cloud-based distributed services. This is a technical, delivery-focused role operating in structured and governed environments where performance, resilience, and scalability are critical to service success. Key Responsibilities Design and execute load, stress, volume, soak, and scalability tests Analyse performance results, logs, and system metrics to identify ...

Design, develop, and deliver test solutions Oversee development, implementation, and maintenance of automated test scripts Verify usability, functionality, performance, and scalability of company and client applications Construct automation tools and expand framework functionality for unique team requirements Establish processes for automation and performance monitoring Contribute to Quality Engineering … teams and clients in establishing automation and testing best practices Collaborate with teams to address automation challenges Coordinate efforts across teams to resolve performance test failures Support and develop team members Foster best practices and keep current with industry standards and advances Work directly with public- and private ...

Title – Performance TesterLocation – LondonWho you'll be working withIn Business Technology Solutions (BTS) we specialise in navigating our clients through the complexities of large-scale, technology-driven transformation programmes, using our skills to drive outstanding delivery. Having the right people using the right methodology and following the right process … gives every client the right result. Managed Testing Services (MTS) is a new Delivery Unit within Business Technology Solutions focusing on helping our client's achieve business value through testing transformation. The MTS function is responsible for all aspects of managed testing services focusing on: moving ...

support a major client programme. This is an exciting opportunity to join a high-profile AI initiative, helping to ensure the quality, reliability, and performance of cutting-edge AI-powered solutions. Working as part of a collaborative delivery team, you will be responsible for designing and executing automated testing across the AI solution landscape, covering both traditional software testing and AI-specific validation activities. The Role As an AI Automation Tester, you will play a key role in validating AI-driven applications and services, ensuring they meet functional, performance, integration, and quality standards. You will ...

digital wealth management platform designed to help users grow, manage, and protect their long-term wealth across savings, investments, and pensions. Задачи: Own performance from day one by embedding performance thinking into delivery plans before code is written; Define thresholds, metrics, and SLOs that govern pass or fail … including budgets for latency, error rate, and throughput; Design and build performance tests for individual services, stubbing downstream and third‐party dependencies; Map load to real production traffic to identify performance bottlenecks; Integrate performance testing into CI/CD pipelines to catch regressions automatically; Build reusable ...

digital economy of today.As a Test Engineer, you will be part of a dynamic software development team environment where your testing skills will be crucial to the delivery of mission critical financial software to the global financial industry following structured development approaches in Agile methodologies.You will undertake Testing … activities of medium to high complexity related to different software components and versions. You will be required to do development work related to software testing frameworks. Given the mission critical nature of our business, strong emphasis is placed on quality, security, availability, resiliency, scalability, performance, and system resources ...

platform. Create solution architecture diagrams, data-flow diagrams, integration designs, interface specifications, security models, and deployment views. Provide technical leadership throughout design, development, testing, deployment, transition, and production stabilization. Evaluate design alternatives and recommend solutions based on scalability, auditability, resiliency, security, maintainability, and operational support requirements. Ensure clear separation … business rules. Design reusable Dataiku project templates and onboarding patterns for new brokers, market-data providers, commodities, regions, and business processes. Establish Dataiku development, testing, production, version-control, promotion, deployment, and rollback standards. Define monitoring, alerting, failure handling, restart, recovery, and operational support patterns for Dataiku processes. Ensure Dataiku ...

Functional & Performance Testing Consultant London - Hybrid - 2 days a week 6-month initial contract Umbrella engagement Up to £700 per day I am currently working with a retail business who require a Non-Functional and Performance Testing Consultant to define and embed an enterprise strategy across … guidance and give teams the tools to deliver secure, scalable and reliable products. Key responsibilities: Set the operating model, policies and technical standards for performance and non-functional testing Advise delivery teams and decision-makers on priorities, trade-offs and risks Embed performance, capacity, resilience, security, availability ...

Functional & Performance Testing Consultant London - Hybrid - 2 days a week 6-month initial contract Umbrella engagement Up to £700 per day I am currently working with a retail business who require a Non-Functional and Performance Testing Consultant to define and embed an enterprise strategy across … guidance and give teams the tools to deliver secure, scalable and reliable products. Key responsibilities: Set the operating model, policies and technical standards for performance and non-functional testing Advise delivery teams and decision-makers on priorities, trade-offs and risks Embed performance, capacity, resilience, security, availability ...

practices. The Automation Test Engineer will play a key role in embedding quality throughout the software development lifecycle, working across UI, API, accessibility and performance testing while supporting continuous delivery at enterprise scale. Responsibilities for the Automation Test Engineer: Design, develop and maintain scalable UI and API automation … Develop and execute functional, regression, integration and end to end automated tests Perform UI automation using Selenium WebDriver and Playwright Carry out API testing using REST Assured, Postman and Swagger Conduct accessibility testing to ensure compliance with WCAG standards Support CI/CD pipelines and continuous testing ...

life About the Role As a Principal Software Developer in Tes t, you'll bring your extensive knowledge of software engineering, automation, and performance testing to create bespoke solutions for our clients. You'll also take a leadership role, guiding your team to success and leading by example. … will: Design and Develop: Build and support automation or performance test frameworks using the most appropriate solutions. Whether open source or commercial, or a combination. Collaborate with Clients: Work closely with clients to understand their requirements and create tailored QA strategies. Provide Expert Insights: Conduct technical QA health checks ...

lead our enterprise quality strategy across Product and Technology. This is a high-impact leadership role where you will set the direction for testing, automation, performance, security and AI-driven quality engineering, helping us deliver faster, safer and more reliable technology for our customers and colleagues. Why join … purpose-led, people-first culture where inclusion, learning and development are genuinely prioritised Opportunities to shape modern engineering practices across automation, AI, security and performance testing Career and skills development in a business recognised for colleague growth and workplace culture Employee resource groups and colleague-led initiatives that ...

Greetings from Response Informatics!! We are currently hiring a Senior Testing Engineer for an exciting client engagement. Role: Senior Testing Engineer Location: London/Newbury/Birmingham/Manchester/Glasgow, UK (Hybrid) Positions: Contract (Outside IR35) Clearance: Active SC Clearance/Non SC KEY RESPONSIBILITIES: Own test … evidence and defect records across the workstream. Maintain ALM discipline: test case structure, requirements traceability, defect lifecycle and reporting accuracy. Execute and lead complex testing across routers, switches, firewalls, hosting, data centre, LAN/WiFi, SD-WAN, UC & Unity, telephony, mobility, MPN & cloud, IoT, fixed connectivity, cloud & security ...