1 to 25 of 73 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 ...

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 ...

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 ...

# Lead Performance Test Engineer Apply now## **About the job you're considering**We are seeking a Lead Performance Engineer to lead a team of performance engineers delivering assurance across complex client programmes. You will set the performance strategy, define and agree non-functional requirements … quality gates, and ensure systems are scalable, resilient and ready for production.Working with engineering, architecture, DevOps, SRE, cloud and business teams, you will embed performance engineering throughout the delivery lifecycle**Hybrid working**: The places that you work from day to day will vary according to your role, your needs ...

high-performing, scalable user interfaces, backend systems and enterprise integrations. Deep understanding of software engineering principles, patterns and best practices. Strong knowledge of automated testing and performance testing across unit, integration and end-to-end testing layers. Proven experience implementing DevSecOps practices at scale across enterprise … applications. Technical expertise in Java, SQL, JavaScript and modern CI/CD tooling. Experience designing and implementing cloud-native solutions focused on scalability, performance, observability and security. Excellent communication, leadership and mentoring skills. Desirable: knowledge of retail, especially Supply Chain and Logistics. Desirable: experience with Warehouse Management Systems, including ...

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 ...

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 ...

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 ...

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 ...

Remote UK | Permanent Are you a QA/Automation Engineer who wants the opportunity to take real ownership rather than simply inherit an established testing process? We are working with a growing sports technology business that operates complex, real-time platforms handling large volumes of live data and significant … Engineer to help establish how QA works across the development team. The Role This is a hands-on position combining automation, API, functional and performance testing. You will have the autonomy to identify gaps, recommend tooling and build practical testing processes from the ground up. Rather than being ...

looking for We are seeking a senior testing leader with a strong data specialism to partner closely with Implementation Test Leads, Data Implementation teams, technology partners and delivery stakeholders to manage all aspects of test execution for Alpha implementations. This role is accountable for end-to-end testing … data transformation, interfaces, file-based integrations, data quality, and validation across complex client implementations. The successful candidate will have a strong understanding of data testing within financial services transformation programmes, including ETL processes, file formats, data mapping, data lineage, reconciliation, data quality controls, and methods used to transform ...

standards. You’ll build the systems, frameworks, and culture that allow the rest of engineering to own quality themselves; improving and extending our testing platform by creating the infrastructure that allows engineers to write and execute tests, and enable every engineering team to ship with more confidence. Key Responsibilities … Design and implement automation pipelines that support comprehensive testing across multiple environments with varying feature flags and realistic customer data profiles Create intelligent testing agents that simulate real user behavior to validate different configuration combinations Develop and maintain GitHub workflows and actions to automate testing, deployment ...

work across the full lifecycle of a solution: understanding business challenges, shaping requirements, designing future-state processes, building, documenting and configuring solutions, integrating technologies, testing outputs, deploying solutions, supporting adoption and continually improving what has been delivered. We work with Appian as a core platform for workflow, case management … practice. Contribute to technical documentation, solution designs, architecture decision records, test evidence, release documentation, runbooks and user guidance. Participate in peer reviews, design reviews, testing, defect triage and continuous improvement of engineering practices. Coach & support developers to help instil engineering excellence. Support regression testing, functional testing, performance ...

Programme Director. Key responsibilities Programme-level QA ownership Own 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 … view to delivery leadership and business stakeholders. Own the escalation path for cross-team defects, coverage disputes, and quality risks. Cross-ecosystem and integration testing Define and oversee testing of end-to-end business scenarios spanning both Atlas and Titan. Own QA coverage for cross-cutting systems such ...

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 ...

DNA. Invest in us and we'll invest in you!. Job Description We 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 … 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 ...

Role:We are looking for a Test Engineer to join our engineering team and play a key role in ensuring the quality, reliability, and performance of our software products.The successful candidate will have a strong background in software testing, combined with hands-on experience in test automation. … closely with developers, product owners, and other engineers throughout the software development lifecycle, helping to define test strategies, identify defects, and continuously improve our testing practices.Candidates should have development or automation experience using either .NET/C# or Java.RequirementsKey Responsibilities:Design, develop, and execute manual and automated test cases ...

Role: We are looking for a Test Engineer to join our engineering team and play a key role in ensuring the quality, reliability, and performance of our software products. The successful candidate will have a strong background in software testing, combined with hands-on experience in test automation. … closely with developers, product owners, and other engineers throughout the software development lifecycle, helping to define test strategies, identify defects, and continuously improve our testing practices. Candidates should have development or automation experience using either .NET/C# or Java. Requirements Key Responsibilities: Design, develop, and execute manual ...

Role: We are looking for a Test Engineer to join our engineering team and play a key role in ensuring the quality, reliability, and performance of our software products. The successful candidate will have a strong background in software testing, combined with hands-on experience in test automation. … closely with developers, product owners, and other engineers throughout the software development lifecycle, helping to define test strategies, identify defects, and continuously improve our testing practices. Candidates should have development or automation experience using either .NET/C# or Java. Requirements Key Responsibilities: Design, develop, and execute manual ...

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. ...