1 to 25 of 83 Performance Testing Jobs in London

Performance Tester

Location
Greater London, England, United Kingdom
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 ...

Lead Performance Test Engineer ( SC Eligible/ SC Cleared )

Location
Greater London, England, United Kingdom
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 ...

Lead Performance Tester (SC Eligible/Cleared)

Location
Greater London, England, United Kingdom
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 ...

Tester

Location
Greater London, England, United Kingdom
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 ...

Senior Network Test Engineer

Location
Greater London, England, United Kingdom
Overview Inabia is seeking a Senior Network Test Engineer based in the United Kingdom to lead end-to-end network verification, performance testing, troubleshooting, and validation across cellular, WiFi, broadband, IP networking, and cloud-connected environments. This role requires a hands-on engineer with deep expertise … networking, AWS cloud connectivity, DevOps practices, and test automation. The successful candidate will configure and manage test environments, execute functional and performance testing, analyze network traffic and logs, identify root causes, and produce comprehensive test and verification reports. Responsibilities Plan and execute network verification and validation testing ...

Lead Performance Tester

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
Lead Performance Tester Location: London Contract Type: Permanent, Full-Time Salary: Up to £65,000 per annum, plus benefits Security Clearance: SC eligible is required (candidates must be eligible for UK security clearance) Start Date: ASAP The Role We're looking for a Lead Performance Tester to work … across our UK government clients, owning performance assurance for complex, high-volume digital services. You'll act as the performance authority across several business areas. You'll lead a team of senior performance engineers to deliver an exceptional service, plan how incoming work is sized and staffed ...

QA Automation Engineer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 350 - 400 Daily
responsible for ensuring business-critical applications and platforms are delivered and maintained to the highest standards of quality. This role will take ownership of testing strategy, quality assurance governance, supplier testing oversight, and user acceptance testing activities across a range of enterprise applications. You will work closely … purpose before they are released into production. This is an excellent opportunity for a QA professional who enjoys combining hands-on testing expertise with governance, stakeholder management, and quality leadership. Key Responsibilities Develop, maintain, and execute comprehensive test strategies and test plans for new solutions, enhancements, upgrades, and projects. ...

Lead QA Automation Engineer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 525 Daily
Working (Minimum 2 days per week in office) The Opportunity We are seeking an experienced Lead Engineer - QA Automation to drive quality assurance and testing excellence across a portfolio of internally developed and supplier-delivered applications. This is a leadership role responsible for defining QA strategy, establishing testing standards, governing quality outcomes, and championing automation across the software delivery lifecycle. You will act as the technical authority for testing, ensuring solutions meet functional, security, regulatory, and business requirements while supporting the adoption of modern engineering and DevOps practices. Key Responsibilities Define ...

Senior Test Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £473/day
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 ...

Principal Automation Test Consultant

Location
Greater London, England, United Kingdom
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 ...

Quality Engineer - eDV Cleared

Location
Greater London, England, United Kingdom
improving the delivery pipeline, we’d love to hear from you. Key Responsibilities Design, develop, and maintain automated test suites for functional, regression, integration, performance, and API testing. Build automation frameworks using industry‐standard tools and modern programming languages. Develop optimized test scenarios and ensure comprehensive test coverage aligned … troubleshoot failures, and provide actionable insights to development teams. Collaborate with cross‐functional teams to improve product quality, identify risks, and advocate for automated testing best practices. Participate in requirement analysis, sprint planning, and backlog grooming to ensure quality is built in from the start. Drive adoption of automation ...

Senior Field Application Engineer

Hiring Organisation
Advanced Micro Devices
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Lead Performance Engineer - Large-Scale Systems - Flexible

Location
Greater London, England, United Kingdom
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 ...

QA Engineer Lead

Location
Greater London, England, United Kingdom
drive Bestway’s quality standards and test automation strategy. You will build a modern, automation-first QA practice, using AI tools to make testing faster, broader and more reliable, so that every release is verifiably stable before production. About Bestway Bestway Group is a diversified multinational family owned business … standards: Define the test strategy, quality standards and "definition of done" across applications, covering unit, integration, contract, API, end-to-end and non-functional testing (performance, security basics). Test automation: Design and build the automation framework and embed it in CI/CD pipelines (GitHub Actions ...

Senior Mobile Engineering Manager

Hiring Organisation
Innova Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£48 - £58/hour
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 ...

Test Engineer - SC Cleared

Hiring Organisation
Gazelle Global Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract
product owners. - Build scalable UI and API automation frameworks in Java - Deliver functional, regression, integration and end-to-end automation - Automate UI testing with Selenium WebDriver and Playwright - Automate API testing with REST Assured, including schema validation - Ensure WCAG compliance using WAVE, AXE DevTools and VoiceOver - Apply context … driven, risk-based testing to product risks - Report test, risk and defect traceability to stakeholders - Enhance CI/CD pipelines for continuous testing - Test cloud and event-driven systems using AWS (S3, Lambda, DocumentDB) and Kafka - Support performance and load testing with K6 - Java automation: Selenium ...

QA Engineer Lead - WEMBLEY

Hiring Organisation
Adecco
Location
Wembley, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum + perm benefits
drive a modern, automation-first quality engineering function within a growing technology team. This is an exciting opportunity to shape quality standards, define testing strategy, and implement scalable automation frameworks that ensure reliable, high-quality software delivery. You'll play a key role in embedding quality throughout the software … development lifecycle while exploring the use of AI-powered testing solutions to improve efficiency, coverage, and release confidence. The Role As QA Engineering Lead, you'll be responsible for defining the overall quality strategy and championing best practice across development teams. You'll work closely with architects, engineers ...

SC Cleared - Test Automation Specialist

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 our client? We believe in providing our employees with a comprehensive ...

Automation Tester

Location
Greater London, England, United Kingdom
automation expertise to help us deliver reliable, high-quality services for our customers and colleagues. You'll lead the development of automation frameworks and testing approaches, balancing hands‐on technical delivery with technical leadership. Working across multiple applications and teams, you'll drive automation maturity, promote innovation, and help … strategy, frameworks and engineering practices to improve the quality, reliability and efficiency of application delivery. Designing, building and enhancing scalable automation solutions, embedding automated testing across the development lifecycle and CI/CD pipelines. Driving continuous improvement by increasing automation coverage, championing AI-enabled testing capabilities, and promoting ...

Automation Tester

Location
Greater London, England, United Kingdom
automation expertise to help us deliver reliable, high-quality services for our customers and colleagues. You'll lead the development of automation frameworks and testing approaches, balancing hands-on technical delivery with technical leadership. Working across multiple applications and teams, you'll drive automation maturity, promote innovation, and help … automation strategy, frameworks and engineering practices to improve the quality, reliability and efficiency of application delivery.Designing, building and enhancing scalable automation solutions, embedding automated testing across the development lifecycle and CI/CD pipelines.Driving continuous improvement by increasing automation coverage, championing AI-enabled testing capabilities, and promoting best ...

Sr Backend Engineer

Location
City Of London, England, United Kingdom
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 ...

Performance Engineering Lead - Scale & Production Readiness

Location
Greater London, England, United Kingdom
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 ...

Senior Automation Tester

Location
Greater London, England, United Kingdom
Automation TesterLocation: London, UKJob type: Contract- Hybrid 2 days onsiteDay Rate - 250 GBP/Day**Key Skills :**Java Selenium/playwright, Rest Assured, API Testing) , CICD Pipeline ( Gitlab, Jenkins), SQL, Leadership Skills### ### OverviewWe are seeking an experienced professional to join our team in a pivotal role focused … automation testing. The ideal candidate will have a strong background in software testing with an emphasis on automation, ensuring the delivery of high-quality software solutions.### Key Responsibilities* Design and implement automated test scripts to ensure efficient and thorough testing of applications.* Collaborate with cross-functional teams ...

Senior Manager of Software Engineering -FI Electronic Trading Real-Time Position & Risk TechLead

Location
Greater London, England, United Kingdom
booking. This role offers the opportunity to set technical direction, raise engineering standards, and grow a high-performing team. If you thrive in performance-critical systems and enjoy solving complex market and risk problems, this role is built for you. As a Sr Manager of Software Engineer at JPMorgan … that delivers safely at high velocity. Job Responsibilities Lead the design and evolution of the real-time position and risk platform, including architecture, patterns, performance, and resilience Deliver real-time position keeping capabilities across trade lifecycle events, including amendments, cancels, allocations, and booking states Build and enhance real-time ...

Endpoint Engineer

Location
Greater London, England, United Kingdom
Dell Command Update automations — to improve device stability and end‐user experience. Troubleshoot and remediate audio, video, and conferencing reliability issues. Perform hardware and performance testing/benchmarking to support fleet standardization decisions. Modernize Windows Autopilot and provisioning workflows to reduce legacy dependencies and improve consistency. Resolve drive … Profiles Device Filters, Dynamic Groups, and scalable targeting strategies Endpoint Analytics and digital experience monitoring (DEX) Hardware validation and lifecycle management, including: Hardware and performance testing/benchmarking to support fleet standardization decisions Firmware and BIOS update management and deployment (e.g., HP, Dell) Wi‐Fi driver troubleshooting ...