1 to 25 of 89 Performance Testing Jobs in London

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 ...

Lead Performance Test Engineer ( SC Eligible/SC Cleared ) London, United Kingdom | Posted on 01/09/2026 Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million … 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 ...

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 ...

Date: 24 Sept 2026 Company: QualityAI Country/Region: GB Performance Test Engineer Location: London or Leeds, UK (Hybrid) Type: Permanent Salary Band : Grade B2 Role Overview We are looking for a Performance Test Engineer to drive performance assurance across cloud, hybrid, and on-premise environments. … will design and execute performance, load, stress, and volume tests, identify bottlenecks, and work closely with development and architecture teams to ensure scalable, resilient, and high-performing applications. Key Responsibilities Design and execute performance testing strategies and test plans. Perform load, stress, endurance, and volume testing. Analyze ...

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. ...

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 ...

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 ...

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 ...

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 ...

submission tool for external users, and a centralised datastore for all MEL data to support 20-30 years of programme delivery. Key skills Automated testing frameworks (Playwright/Jest) Data validation testing Load & performance testing for bulk uploads CI/CD pipeline testing SFIA Level … Provide authoritative advice on test scope, entry/exit criteria, and quality risks to delivery and product leadership. Balance pragmatism with assurance, ensuring proportionate testing within agile delivery constraints. Lead the design and evolution of automated test frameworks (UI, API, or service-level), aligned to the team's technology ...

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 ...

remit of your accounts: qualification, stakeholders, understand timelines, coordinate within internal stakeholders and external partners Test new AMD products prior to launch and characterise performance In addition to being customer and partner-facing this is a hands-on role working both independently and with other AMD engineers. There … strong emphasis on performing Proof of Concepts, tackling technical software and hardware HPC performance, debug, and capability issues, collaborating with Field Application Engineering FAE peers, Sales colleagues, CPU and GPU Business Units, Architecture, Software, Platform teams. THE PERSON: Does this sound familiar? We'd love to talk! Clear track ...

Scrumconnect Consulting is seeking a Lead Performance Tester/Performance Engineering Lead to own performance testing strategy across complex digital services. You will act as the performance authority, defining strategy, leading delivery, and advising on production readiness. We expect extensive experience in performance testing ...

looking for We are seeking a senior front office testing leader to partner closely with Implementation Test Leads, Charles River Development, Alpha delivery teams and client stakeholders to manage all aspects of test execution for front office Alpha implementations. This role is accountable for end-to‐end testing … office services, supported by the Alpha Data Platform as a trusted data layer across the investment lifecycle. Successful implementations depend on disciplined, execution-focused testing that validates CRIMS workflows, ADP data readiness, investment data quality, system integration, performance readiness and target operating model adoption. This role ensures testing ...

Demonstrated ability to prioritize effectively and manage multiple competing priorities within fast-paced environments. Hands-on experience with software quality practices, including automated functional testing, integration testing, performance testing, and technical documentation. Strong experience leading customer-facing digital platform initiatives throughout the complete software delivery lifecycle. … Microservices architecture RESTful APIs Event-driven architectures Secure software development practices Scalable distributed systems Deep experience implementing observability strategies, including: Logging, monitoring, alerting, Performance Analysis and Production Diagnostics. Experience with industry-standard observability and monitoring platforms such as Sentry or Datadog, New Relic, Grafana or OpenTelemetry. Strong knowledge ...

driven features. What you'll be doing: * Design, develop and maintain automated test frameworks and test suites * Execute functional, regression, integration and performance testing * Validate AI-driven features, workflows and automated decision-making processes * Collaborate with developers, architects and product teams to embed quality throughout delivery * Build automation … Analyse test results and drive continuous quality improvements * Manage defects, reporting and documentation using JIRA and Confluence * Support CI/CD pipelines and continuous testing practices * Help ensure application performance, scalability and resilience across large-scale platforms What you'll bring: * Strong experience in automation testing/ ...

Demonstrated experience of Automated Quality Assurance: Deliver overnight cross-browser, functional, non-functional, API, integration and acceptance tests Delivered front end cross-browser functional testing, device testing, exploratory, systems integration and user acceptance testing e.g. manual testing Confident with building and maintaining frameworks … more of these languages: Java, JavaScript, Python, or C# Must have extensive experience with Playwright Worked in an agile environment Any performance testing experience or other non-functional testing experience would be beneficial Additional Information Why Version 1? At Version 1, we believe in providing our employees ...

Quality Agent System, using AI agents and deterministic automation to continuously identify coverage gaps, generate and maintain tests, detect flaky tests, support exploratory testing, and surface reproducible defects. Design safe, maintainable agent workflows with clear responsibilities, isolated execution, human review, and appropriate controls. Agents should assist engineers and SDETs … investment will have the greatest impact. Expand test coverage and surface quality gaps earlier in the development lifecycle, including through test scenario generation, mutation testing, and AI-assisted exploratory testing. Conduct proof-of-concepts for non-functional testing, including performance, accessibility, security, and reliability testing. Contribute ...

Quality Agent System, using AI agents and deterministic automation to continuously identify coverage gaps, generate and maintain tests, detect flaky tests, support exploratory testing, and surface reproducible defects. Design safe, maintainable agent workflows with clear responsibilities, isolated execution, human review, and appropriate controls. Agents should assist engineers and SDETs … investment will have the greatest impact. Expand test coverage and surface quality gaps earlier in the development lifecycle, including through test scenario generation, mutation testing, and AI-assisted exploratory testing. Conduct proof-of-concepts for non-functional testing, including performance, accessibility, security, and reliability testing. Contribute ...

Scrumconnect Consulting in London, United Kingdom, is seeking a Lead Performance Test Engineer to own end-to-end performance testing and assurance across complex digital services. The role acts as the performance authority, defining strategy, leading delivery, and providing formal recommendations on production readiness. You will … lead performance testing for large-scale systems, drive CI/CD integration, and mentor teams, with emphasis on governance, observability, and risk management in #J-18808-Ljbffr ...

Build and support cloud-native applications in multi-cloud environments Develop robust RESTful APIs and implement asynchronous processing solutions Ensure operational excellence through comprehensive testing strategies (unit, component, integration, end-to-end, and performance testing) and production support Participate in incident management and system reliability initiatives Collaborate … experience developing RESTful APIs, messaging frameworks, and asynchronous processing Strong production support experience, including incident management and CI/CD pipelines/automation Comprehensive testing capability across unit, component, integration, end-to-end, and performance testing Desirable Requirements: Proficiency in Kotlin in addition to Java Experience ...

Test Manager (Non Functional & Performance) Contract: 6 months initially Rate: £550–£630 per day IR35: Outside IR35 Location: Hybrid – 2–3 days per week in either London or Cirencester Overview We are looking for two experienced Programme Test Managers to support a major transformation programme with a financial services … technology and finance. The Roles One Test Manager will be specifically aligned to the Partner Remuneration transformation. You will take ownership of the overall testing strategy and delivery, ensuring that the testing function is fully established and that all testing activities are coordinated effectively through ...