1 to 25 of 68 Performance Testing Jobs in London

Performance Tester Rate: 300 - 365 Clearance required: BPSS + DV (SC issued in last 5 years/willingness to go for DV (DV Preferred) Nationality requirement: UK passport holder only Location: London Work type: Hybrid - Able to work 3 days per week on site. Security Cleared software testing test management test scripts agile methodology performance tests Apache JMeter Microsoft Visual Studio Atlassian Jira Atlassian Confluence Role Overview We are seeking an experienced Performance Tester to define and deliver the non-functional test approach for a complex, highly customised SharePoint Subscription Edition (SE) platform ...

Performance Tester Rate: £300 - £365 Clearance required: BPSS + DV (SC issued in last 5 years/willingness to go for DV (DV Preferred) Nationality requirement: UK passport holder only Location: London Work type: Hybrid - Able to work 3 days per week on site. Security Cleared software testing test management test scripts agile methodology performance tests Apache JMeter Microsoft Visual Studio Atlassian Jira Atlassian Confluence Role Overview We are seeking an experienced Performance Tester to define and deliver the non-functional test approach for a complex, highly customised SharePoint Subscription Edition (SE) platform ...

integration, system, regression, and end-to-end testing. Validate merchant onboarding journeys, our Accept application flows, payment processing, settlements, and terminal management capabilities. Execute testing across web, mobile (iOS & Android), API, and backend systems. Prepare detailed test plans, test scenarios, test cases, and test execution reports. Perform API testing and integration testing across internal and third-party platforms. Support SIT, UAT, FOV (First Occurrence Validation), production releases, and post-release verification activities. Validate business-critical payment processing and settlement workflows. Perform data validation, reconciliation, and operational testing to ensure end-to-end integrity. Identify, log, track ...

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 our clients ...

Clearance Option for candidates to be upgraded to DV! We're looking for a Quality/Test Engineer with experience in test automation and performance testing to support the delivery of software solutions within an Agile environment. You'll be involved throughout the testing lifecycle, helping … purpose. What you'll be doing Creating and executing test cases across multiple technology stacks Developing and maintaining automated test scripts Designing and implementing performance testing strategies Executing performance and load testing activities Investigating issues through debugging, tracing and log analysis Working closely with developers ...

developers, product owners, and QA teams to define and automate test scenarios using Behavior-Driven Development (BDD). Ensure applications meet Accessibility and Security testing standards as part of the automated testing strategy. Maintain and enhance the local, unofficial Performance Test Pack to support engineering teams. (Note … This complements, but does not replace, the organization's formal performance testing plan.) Support automation for Use Case 6 and other functional test scenarios as required. Continuously improve test automation frameworks, coding standards, and engineering best practices. Participate in code reviews and contribute to improving overall software quality. ...

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 ...

follows design principles (e.g. modular design, microservices, event driven architecture etc.) and make use of appropriate design patterns.Performance, Security & Compliance: Incorporate security requirements and performance considerations into all application architecture designs from the outset. The architect makes sure that applications adhere to security best practices and relevant compliance standards … risk assessments on new architectures and include controls for data protection (encryption, access control) and robust error handling. They will also design for high performance and availability – for example, recommending load balancing, caching strategies, or failover mechanisms. All solutions are evaluated for reliability, maintainability, and disaster recovery preparedness ...

Role/Job Titlke: Performance Architect Mode of working: Hybrid with 3-days onsite in London Duration: 12 Months (Likelihood of further extension Our client, working on behalf of the British postal service and courier company is urgently seeking a Performance Architect with extensive experience in Performance Architecture, Performance Engineering and System Optimization. The successful candidate will be responsible for defining and driving the performance strategy across the entire solution lifecycle, ensuring that applications and platforms are scalable, resilient, and capable of meeting business and operational demands. The role focuses on embedding performance ...

work and life About the Role As a Principal Software Developer in Tes t, youll bring your extensive knowledge of software engineering, automation, and performance testing to create bespoke solutions for our clients. Youll 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. P rovide Expert Insights: Conduct technical QA health ...

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 ...

discover tools and techniques that can improve quality across the organisation.QA Testers MUST have:2:1 Computing Science degree from an EU UniversitySelenium WebDriverSpecFlowCypressxUnitNUnitReact Testing LibraryT-SQLTHave demonstratable experience and knowledge of a wide range of testing tools and techniques to cover things such as, Functional testing, Performance testing, Load testingHave a passion for delivering quality software and understand what it means to “Build Quality In”Want to educate other members of the Engineering team on better quality practicesKeep up to date with current trends by following the Ministry of Testing, Modern Testing ...

discover tools and techniques that can improve quality across the organisation.QA Testers MUST have:2:1 Computing Science degree from an EU UniversitySelenium WebDriverSpecFlowCypressxUnitNUnitReact Testing LibraryT-SQLTHave demonstratable experience and knowledge of a wide range of testing tools and techniques to cover things such as, Functional testing, Performance testing, Load testingHave a passion for delivering quality software and understand what it means to “Build Quality In”Want to educate other members of the Engineering team on better quality practicesKeep up to date with current trends by following the Ministry of Testing, Modern Testing ...

Hays are now looking for a Quality Engineer/Performance Tester for one of our local clients: £310 p/d Inside IR35 3 days p/w in the office, 2 WFH Location is one of either London, Manchester or Leicester We're looking for strong experience … performance and non-functional testing to support the delivery of large-scale digital services. The role will focus on ensuring applications are scalable, reliable and performant through a combination of performance testing, API testing and quality engineering practices. What you'll be doing Design, develop ...

delivering high-quality, reliable artificial intelligence and data-driven solutions within a complex, enterprise-scale environment. This is an exciting opportunity to lead testing strategy across cutting-edge AI systems, ensuring robust validation, strong governance, and continuous quality improvement across digital platforms. The Role As a Senior Test Engineer … will operate at a strategic level, shaping testing approaches for AI and data services while remaining hands-on across automation, validation, and delivery pipelines. You will: Lead the design and execution of end-to-end test strategies across AI and digital programmes Ensure quality across AI models, data pipelines ...

delivering high-quality, reliable artificial intelligence and data-driven solutions within a complex, enterprise-scale environment. This is an exciting opportunity to lead testing strategy across cutting-edge AI systems, ensuring robust validation, strong governance, and continuous quality improvement across digital platforms. The Role As a Senior Test Engineer … will operate at a strategic level, shaping testing approaches for AI and data services while remaining hands-on across automation, validation, and delivery pipelines. You will: Lead the design and execution of end-to-end test strategies across AI and digital programmes Ensure quality across AI models, data pipelines ...

product managers, and quality assurance engineers to understand integration requirements and develop comprehensive test strategies. Design and develop automated test scripts using industry-standard testing frameworks and tools tailored for Google Cloud Platform services. Create and maintain test data sets and environments to simulate real-world scenarios and ensure … thorough test coverage. Conduct performance and scalability testing to assess the robustness and efficiency of GCP-integrated applications under varying loads. Identify and troubleshoot issues encountered during integration testing, working closely with development teams to prioritize and resolve defects. Continuously monitor and evaluate the latest advancements ...

embedded within our DNA. Invest in us and we’ll invest in you!Job DescriptionWe are seeking a highly skilled and experienced Automation and Performance Test Engineer to lead strategic testing initiatives across complex systems. This role demands a blend of technical expertise, leadership capability, and problem-solving … acumen to drive quality across our engineering processes. You will be responsible for designing, building, and maintaining robust automation and performance testing frameworks using open-source tools, while also mentoring and guiding other engineers.Key Responsibilities: - Strategic Leadership: Plan and lead large-scale, complex testing activities, managing risks ...

quality risks directly to the Programme Director.Key responsibilitiesProgramme-level QA ownershipOwn the programme-level QA strategy, incorporating and coordinating the Atlas and Titan ecosystem testing strategies.Define and maintain the E2E scenario model in partnership with the Product Validation team, ensuring every UAT acceptance criterion maps to tested coverage.Publish … delivery leadership and business stakeholders.Own the escalation path for cross-team defects, coverage disputes, and quality risks.Cross-ecosystem and integration testingDefine and oversee testing of end-to-end business scenarios spanning both Atlas and Titan.Own QA coverage for cross-cutting systems such as Hydra that interact with both ecosystems.Coordinate ...

Clearance Key Responsibilities - Work closely with business analysts to understand and interpret client requirements.- Define, prepare and execute appropriate test scenarios. - Support and enhance testing across the Customs Declaration Service application. - Contribute to performance testing activity within a complex systems integration environment. - Use Cucumber and Java … part of the test engineering approach. - Manage and document testing activity using JIRA and Confluence. - Collaborate effectively with the wider delivery team across bespoke, COTS and AWS-hosted components. Essential Skills and Experience - Minimum five years of UK residency and eligible for SC Clearance - Performance testing experience. ...

data integrity requirements.This role owns technical outcomes for complex components and services, influences architecture and platform evolution, and provides deep expertise across development, testing, and production support. While not a line‐management role, it carries strong expectations for technical leadership, mentoring, and collaboration across engineering, architecture, and product teams.WHAT … maintain C++ and Java services supporting FX matching and trading workflows.Own technical delivery for key platform components, ensuring alignment with LSEG architectural principles, performance standards, and operational controlsBuild and evolve low‐latency, high‐availability systems handling high message volumes and time‐critical processing.Ensure systems meet non‐functional requirements, including ...

integrated systems, maintaining data accuracy and performance.Collaborate with IT teams to troubleshoot and resolve integration challenges.Performance Optimization:Optimize Salesforce Core and Vlocity solutions for performance, scalability, and maintainability.Conduct code reviews, performance testing, and debugging to ensure high-quality deliverables.Implement best practices for both Vlocity and Salesforce Core … solution architectures for both Vlocity and Salesforce Core implementations.Provide technical guidance and mentorship to peer developers as needed.Testing and Deployment:Conduct unit, integration, and performance testing for all developed solutions.Support deployments across multiple environments using CI/CD pipelines and version control systems.Troubleshoot and resolve post-deployment issues ...

Quality Test Engineer IIIAre you passionate about ensuring high-quality software through robust testing and automation strategies? Do you enjoy identifying defects early and improving systems to deliver seamless, reliable user experiences About the team:The Search and AI Platform is Elsevier's agentic data platform, which powers products … Quality Engineer to join the Search and AI Platform team. This is a hands-on, automation-first role focused on API and service-level testing, with quality embedded throughout the development lifecycle rather than validated at the end. You will work closely with software engineers, quality engineers and technical ...

concepts of messaging patterns (point-to-point, pub/sub etc, event-driven)Experienced with the full development life-cycle: implementation, review, full automated testing, release and familiarity with the processes and tools this typically includes (CI/CD pipelines etc)Profound understanding of the FIX protocol … Kubernetes highly advantageousSomebody who naturally and continuously strives to improve a product and its ‘eco-system’ (which includes CI/CD pipelines, automated [performance] testing, [performance] monitoring) and can do so by ‘keeping things simple’What we offer you: Private pension plan - 10% of base salary contribution ...

Assist and 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.Autopilot & Provisioning ModernizationModernize Windows Autopilot and provisioning workflows to reduce legacy dependencies and improve consistency.Resolve drive … Configuration ProfilesDevice Filters, Dynamic Groups, and scalable targeting strategiesEndpoint Analytics and digital experience monitoring (DEX)Hardware validation and lifecycle management, including:Hardware and performance testing/benchmarking to support fleet standardization decisionsFirmware and BIOS update management and deployment (e.g., HP, Dell)Wi-Fi driver troubleshooting and remediation across ...