1 to 25 of 172 Permanent Performance Testing Jobs in England

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 ...

Performance Tester

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
effective outcomes. You understand and align with our 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 ...

Quality Assurance Engineer- AI Products

Location
Sheffield, England, United Kingdom
global leader in environmental commodity markets. We are backed by Blackstone and other leading investors. Position Summary Seeking a QA AI Engineer to perform testing and quality assurance for systems, applications, and AI-enabled products developed by Xpansiv. This role is responsible for ensuring the quality, reliability, accuracy … loop assurance required by Xpansiv’s AI governance standards. Key Responsibilities Create test plans for AI-powered and traditional software applications, including manual testing, automated testing, performance testing, regression testing, security testing, and end-to-end testing Formulate and document test cases based ...

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 ...

Performance Test Engineer

Hiring Organisation
MThree
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Performance Test Engineer Permanent | Hybrid | Performance Testing| Scripting skills London or Leeds | Hybrid working model | 50% onsite required Currently SC cleared or SC eligible At Peregrine, were always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array … Software Developers in the private sector we are always in search of the best talent to place, now. The role: We are seeking a Performance Test Engineer to shape the future of system scalability and reliability at our client by creating strategies and solutions that make a real impact. ...

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 ...

Associate Test Analyst

Location
Reading, England, United Kingdom
delivery teams to improve product quality. This is a role suited to a candidate with approximately 1 to 2 years of relevant software testing and automation experience. Due to the hands‐on nature of the product and access to specialist hardware and test environments, the role requires working from … efficiency, and quality. Use AI tools to accelerate test design, test data preparation, defect analysis, automation development, and regression coverage. Perform hardware validation, compatibility testing, performance testing, stress testing, and failure diagnostics. Investigate defects using application logs, device logs, database evidence, network traces, and debugging tools ...

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 ...

Senior Performance Tester

Location
Staines-upon-Thames, England, United Kingdom
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 backend 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 bottlenecks ...

Senior Full Stack Developer .Net & React/Typescript

Hiring Organisation
Computer Futures
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£85,000
investigations, proof-of-concepts and prototyping activities. Own complex technical challenges and drive solutions across multiple systems and teams. Ensure software is designed with performance, resilience and long-term maintainability in mind. Architecture & Technical Leadership Lead technical design discussions and contribute to strategic architectural decisions. Define service boundaries … long-term roadmaps. Identify technical risks and recommend appropriate mitigation strategies. Influence the future direction of digital products and engineering practices. Engineering Quality & Testing Champion a quality-first engineering culture. Define and implement testing strategies across applications and services. Promote Test-Driven Development (TDD) and automation-first approaches. ...

Senior QA Engineer

Location
Park Central, England, United Kingdom
quality owner within your Scrum team. You play a crucial role in ensuring the quality, reliability, and resilience of our systems by driving strong testing practices and acting as the primary voice of quality throughout the software development lifecycle. You are the execution expert within your team—delivering high … project requirements and user stories. Execute test cases and document test results thoroughly. Test Automation: Design, develop, and maintain automated test scripts to increase testing efficiency and coverage. Collaborate with the Principal QA Engineer to establish and improve the test automation framework. Defect Management: Identify, report, and track defects ...

Controls Engineer - JP3624

Location
Leeds, England, United Kingdom
Contract: Contract/Freelance Location: Site-based, UK Start: ASAP/Immediate Duration: TBC, with potential extension Working Pattern: Site-based, with commissioning and testing periods potentially requiring extended hours Role Overview We are seeking an experienced Controls Engineer to support the commissioning, testing and integration … handed over to the client. Key Responsibilities Lead and support controls commissioning activities for the BESS project from pre-commissioning through to energisation, functional testing and handover. Commission and troubleshoot PLC, RTU, SCADA, EMS/PMS and plant control systems . Configure and test control logic, sequences, interlocks, permissives ...

Product Test Engineer

Location
Market Deeping, England, United Kingdom
develop communications products in line with internal engineering and quality procedures. As a member of the development team, you will carry out product performance testing to meet project requirements. What you will do: Carry out manual and automated product performance test development, execution, and reporting to include … Radio performance testing Harmonised standards testing Analog audio testing Power consumption testing Environmental testing What we are looking for: You will preferably have a 1st or 2:1 class degree (or equivalent) in a relevant technical subject . We are particularly interested in receiving ...

Principal Test Engineer, Clinical Software

Location
Wilmslow, England, United Kingdom
workflows to improve patient outcomes worldwide. As a Principal Test Engineer within our Clinical Software Development organisation, you will provide technical leadership in the testing, verification, and validation of software and integrated clinical systems. Working closely with software engineers, systems engineers, hardware engineers, product owners, and quality teams … will help ensure our products meet the highest standards of reliability, performance, cybersecurity, and regulatory compliance. This role has a particular focus on the testing and verification of software-controlled analytical instrumentation and integrated LC-MS systems. We are especially interested in candidates with experience in mass spectrometry ...

Lead DevOps

Location
Greater London, England, United Kingdom
/CD components Managing multi‐stage deployment pipelines across Development, Test, Stage and Production Pipeline troubleshooting Secure secret handling Build and deployment automation Testing & Quality Engineering Testing is considered part of delivering a feature, not an optional activity. Lead Engineers are expected to understand how to test infrastructure … using frameworks such as pytest Understanding test coverage and identifying gaps Integrating automated tests into GitLab CI pipelines Troubleshooting failing automated tests Building reusable testing stages within GitLab CI templates Running tests locally and within CI/CD pipelines Performance, load and stress testing using JMeter ...

Senior QA Automation Engineer

Location
Manchester, England, United Kingdom
ready for release. The role Establish a test strategy covering APIs, user interfaces, integrations and end-to-end workflows. Build and maintain automated testing frameworks. Integrate automated tests into CI/CD pipelines to provide fast, actionable feedback. Test complex transactions and data flows, including edge cases and failure … scenarios. Develop regression, integration and performance testing, incorporating security considerations. Investigate defects, clearly document findings and verify fixes. Introduce QA standards, processes and tooling as the team grows. Work with developers to build testability into the platform and make quality a shared responsibility. About you You’ll bring ...

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 ...

Automation QA Engineer — CI/CD, API & UI Testing

Location
Hursley, 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 ...

Senior Field Application Engineer

Hiring Organisation
Advanced Micro Devices
Location
Islington, Norfolk, UK
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 ...

Principal Solutions Architect

Location
Greater London, England, United Kingdom
Nscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers. Nscale enables AI-focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities and directly supports strategic … highly technical, customer-facing role at the intersection of AI infrastructure, solution architecture, and engineering. You will translate complex customer requirements into scalable, high-performance infrastructure designs spanning GPU compute, networking, storage, data centre systems, and orchestration platforms. You'll own solution designs end-to-end, from bare-metal ...

Automation Engineer

Location
Eastbourne, England, United Kingdom
appropriate for the problem they’re trying to solve. On a typical project, you might: Design, build and maintain automated tests, frameworks and reusable testing components. Work with tools such as Playwright, Cypress, Selenium, depending on the needs of the project. Integrate automated testing into CI/… automation can add value. Contribute to technical discovery, project planning and estimates. Apply and develop your experience in areas such as API and integration testing, working alongside our Performance Testing Team where our work overlaps. Explore how new tools and approaches, including AI-assisted development and testing ...

Senior QAT (Quality Assurance Tester)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
week in the office Security clearance: SC eligible, no SC needed Overview We are seeking an experienced Senior Quality Assurance Tester to lead testing strategy and execution for a Generative AI platform for a UK government department. This role goes beyond traditional functional QA. It includes evaluating AI output … structured evaluations of LLM outputs, working with engineering to track answer quality and hallucination rate over time, and flag regressions before release. API & Integration Testing Carry out manual and automated API testing (for example with REST Assured or similar tools) across the application logic that connects RAG pipelines ...

Senior QAT (Quality Assurance Tester)

Location
Newcastle upon Tyne, England, United Kingdom
committed to building inclusive, diverse teams that reflect the communities we serve. Overview We are seeking an experienced Senior Quality Assurance Tester to lead testing strategy and execution for a Generative AI platform for a UK government department. This role goes beyond traditional functional QA. It includes evaluating … structured evaluations of LLM outputs, working with engineering to track answer quality and hallucination rate over time, and flag regressions before release. API & Integration Testing Carry out manual and automated API testing (for example with REST Assured or similar tools) across the application logic that connects RAG pipelines ...

Principal QA Engineer

Location
Witham, England, United Kingdom
inclusion and belonging. We are now looking for a Principal QA Engineer to join us in Edinburgh or Witham. This is a senior Technical Testing/Quality Engineering leadership role responsible for the QA Engineering strategic shift to DevOps and AI Augmented delivery model. Operating at strategic level … adoption of them and ensuring adherence to the Quality Engineering & DevOps (QEDO) operating model. The role combines the responsibilities with modern Quality Engineering, DevOps, Performance Engineering and AI-enabled delivery practices. You will work with Solution Architects and Engineers to ensure that robust Quality Engineering DevOps solutions are embedded ...