476 to 500 of 548 Performance Testing Jobs in the UK

Location: London Job Type: Contract Industry: Digital Workspace Job reference: BBBH414341_1750151103 Posted: 9 days ago Role Title: NFT Lead (Non-functional Testing) Location: London - on site 2/3 days a week Salary: £435 Would you like to join a global leader in consulting, technology services, and digital transformation? Our client is at the forefront of innovation, addressing … and platforms. Role Description: 12+ Years of IT experience Strong communication skills Experience working in a multi-supplier environment Experience creating NFT test strategy Experience in OAT Experience in performance testing Stakeholder management skills Experience working with IT-Ops team Must be PAYE through UMBRELLA. Note: All profiles will be reviewed against the required skills and experience. Due More ❯

hours/week Bonus: 15% Conversion to FTE: Not available ? Key Responsibilities: Design and execute end-to-end UX research using mixed methods (quant + qual) Conduct usability testing for developer-facing tools (simulation and performance) Partner with PMs, engineers, data scientists, and designers to influence product decisions Create research roadmaps and translate findings into actionable recommendations Work … developer platform Must-Have Skills & Experience: 5–10 years’ experience in UX or product research Strong foundational research skills and statistical evaluation (T-tests, ANOVA, regressions) Experience in usability testing , focus groups , or in-depth interviews Proficiency with STATA, SPSS, SQL, R , or similar tools Experience working with or researching developers, SDKs, Unity, Unreal, or XR/VR tools … Have: Background in Human-Computer Interaction , Psychology , or related fields Experience in B2B environments , gaming, tech, or financial services Understanding of developer workflows and toolsets Familiarity with simulation or performance testing environments ? Team & Culture: Team sits across London, the US, and Zurich Report directly to the hiring manager in London Collaborative and fast-paced team focused on innovation More ❯

telecommunications company based in Cambridge who are looking to a Senior Test Engineer to join their growing team. This is a full-time permanent position. Key responsibilities will include: Testing of software solutions and applications to ensure products meet requirements Writing and executing functional, system and performance testing Reading and understanding requirements documentation Producing and maintaining appropriate … across the business Mentoring junior members of the team The successful candidate will have: Experience in a similar role Experience with LTE technologies Solid experience with manual and automation testing Excellent problem solving skills 4G/5G experience Experience with testing frameworks and tools Strong knowledge of test automation tools If this role looks like your next challenge More ❯

telecommunications company based in Cambridge who are looking to a Senior Test Engineer to join their growing team. This is a full-time permanent position. Key responsibilities will include: Testing of software solutions and applications to ensure products meet requirements Writing and executing functional, system and performance testing Reading and understanding requirements documentation Producing and maintaining appropriate … across the business Mentoring junior members of the team The successful candidate will have: Experience in a similar role Experience with LTE technologies Solid experience with manual and automation testing Excellent problem solving skills 4G/5G experience Experience with testing frameworks and tools Strong knowledge of test automation tools If this role looks like your next challenge More ❯

telecommunications company based in Cambridge who are looking to a Senior Test Engineer to join their growing team. This is a full-time permanent position. Key responsibilities will include: Testing of software solutions and applications to ensure products meet requirements Writing and executing functional, system and performance testing Reading and understanding requirements documentation Producing and maintaining appropriate … across the business Mentoring junior members of the team The successful candidate will have: Experience in a similar role Experience with LTE technologies Solid experience with manual and automation testing Excellent problem solving skills 4G/5G experience Experience with testing frameworks and tools Strong knowledge of test automation tools If this role looks like your next challenge More ❯

telecommunications company based in Cambridge who are looking to a Senior Test Engineer to join their growing team. This is a full-time permanent position. Key responsibilities will include: Testing of software solutions and applications to ensure products meet requirements Writing and executing functional, system and performance testing Reading and understanding requirements documentation Producing and maintaining appropriate … across the business Mentoring junior members of the team The successful candidate will have: Experience in a similar role Experience with LTE technologies Solid experience with manual and automation testing Excellent problem solving skills 4G/5G experience Experience with testing frameworks and tools Strong knowledge of test automation tools If this role looks like your next challenge More ❯

telecommunications company based in Cambridge who are looking to a Senior Test Engineer to join their growing team. This is a full-time permanent position. Key responsibilities will include: Testing of software solutions and applications to ensure products meet requirements Writing and executing functional, system and performance testing Reading and understanding requirements documentation Producing and maintaining appropriate … across the business Mentoring junior members of the team The successful candidate will have: Experience in a similar role Experience with LTE technologies Solid experience with manual and automation testing Excellent problem solving skills 4G/5G experience Experience with testing frameworks and tools Strong knowledge of test automation tools If this role looks like your next challenge More ❯

telecommunications company based in Cambridge who are looking to a Senior Test Engineer to join their growing team. This is a full-time permanent position. Key responsibilities will include: Testing of software solutions and applications to ensure products meet requirements Writing and executing functional, system and performance testing Reading and understanding requirements documentation Producing and maintaining appropriate … across the business Mentoring junior members of the team The successful candidate will have: Experience in a similar role Experience with LTE technologies Solid experience with manual and automation testing Excellent problem solving skills 4G/5G experience Experience with testing frameworks and tools Strong knowledge of test automation tools If this role looks like your next challenge More ❯

telecommunications company based in Cambridge who are looking to a Senior Test Engineer to join their growing team. This is a full-time permanent position. Key responsibilities will include: Testing of software solutions and applications to ensure products meet requirements Writing and executing functional, system and performance testing Reading and understanding requirements documentation Producing and maintaining appropriate … across the business Mentoring junior members of the team The successful candidate will have: Experience in a similar role Experience with LTE technologies Solid experience with manual and automation testing Excellent problem solving skills 4G/5G experience Experience with testing frameworks and tools Strong knowledge of test automation tools If this role looks like your next challenge More ❯

telecommunications company based in Cambridge who are looking to a Senior Test Engineer to join their growing team. This is a full-time permanent position. Key responsibilities will include: Testing of software solutions and applications to ensure products meet requirements Writing and executing functional, system and performance testing Reading and understanding requirements documentation Producing and maintaining appropriate … across the business Mentoring junior members of the team The successful candidate will have: Experience in a similar role Experience with LTE technologies Solid experience with manual and automation testing Excellent problem solving skills 4G/5G experience Experience with testing frameworks and tools Strong knowledge of test automation tools If this role looks like your next challenge More ❯

member of the commissioning team, you will be required to work closely with project managers, site teams, and clients to ensure the successful delivery of BMS systems, ensuring optimal performance, energy efficiency, and alignment with client requirements. This is an initial 6-month contract , with the possibility of an extension based on project requirements. Key Responsibilities: Commissioning BMS systems … based on project specifications and client needs. Integration of third-party systems into the BMS, ensuring seamless operation and control of all building services. Carrying out point-to-point testing , sensor calibration, and controller setup to ensure accurate system performance. Work with mechanical and electrical contractors to ensure smooth commissioning processes and compliance with design documents. Troubleshoot and resolve … issues during the commissioning phase, ensuring that systems are fully operational and meeting performance targets. Produce detailed commissioning reports and handover documentation, clearly outlining system performance, testing results, and any necessary adjustments. Provide on-site training and support to end-users and facilities management teams. Ensure compliance with health and safety regulations and project specifications throughout the More ❯

involves finding an appropriate ad for every unique listener and inserting it into live and on-demand audio streams. This happens in real-time with sub-millisecond deadlines, so performance sits at the heart of what we do. In this role, you will find yourself working closely with low-level audio formats, enhancing our ability to deliver audio to … audio streaming capabilities to millions of users around the world. Be supporting and maintaining production infrastructure (the team has a strong ethos around maintaining your own services). Run performance tests, usingJava17,JavaFlight Recorder,JavaMission Control, Gatling, and custom audio streaming tool kits maintained by the team. Worked with the team to help shape and design the product roadmap … balancing performance improvements, along with new feature requests from the business. Responsibilities of the role Developing features to a high technical standard. Including performing code reviews, unit testing, integration testing, performance testing, and release management. Help contribute to our agile development process. Help drive our collaborative learning culture. Help maintains a reliable production environment. What More ❯

telecommunications company based in Cambridge who are looking to a Senior Test Engineer to join their growing team. This is a full-time permanent position. Key responsibilities will include: Testing of software solutions and applications to ensure products meet requirements Writing and executing functional, system and performance testing Reading and understanding requirements documentation Producing and maintaining appropriate … across the business Mentoring junior members of the team The successful candidate will have: Experience in a similar role Experience with LTE technologies Solid experience with manual and automation testing Excellent problem solving skills 4G/5G experience Experience with testing frameworks and tools Strong knowledge of test automation tools If this role looks like your next challenge More ❯

is your opportunity. What You’ll Be Responsible For 🚀 Leadership & Team Development Lead, mentor, and develop a global team of Shopify and CRO developers Set clear expectations, processes, and performance benchmarks Create a strong team culture of ownership, communication, and no hand-holding Identify skills gaps and help hire, onboard, and train new developers 🔧 Project & Workflow Ownership Own dev … overall efficiency and output ✅ Technical Oversight & Quality Control Serve as the final line of QA before tasks hit formal review Spot bugs, check Figma-to-code accuracy, and uphold performance & accessibility standards Push back when timelines or scope are misaligned Assign tasks to the team based off capacity Ensure every developer ships code they’re proud of 🤝 Collaboration & Communication … Have Experience 5+ years of Shopify development experience (Shopify Plus, Liquid, APIs) 2+ years leading or managing a remote development team Strong understanding of CRO workflows, A/B testing tools, and frontend UX Figma-to-code implementation that’s pixel-perfect and fast Confident using Git, version control, and structured dev processes Experience with any A/B More ❯

of next-generation infrared gas sensing technology. The role involves hands-on development and refinement of components used in optical sensing systems. You'll take responsibility for building and testing prototypes, evaluating performance, and contributing to design improvements that support future manufacturing. You'll be joining a small, focused team working on a technically challenging and impactful project … either Python/Matlab/Pandas or Numpy is a must have for data analysis. The Role: Design and optimise sealed IR gas cell prototypes Conduct and document sensor performance testing Manage and deliver research activities from start to finish Support transfer of research outcomes into production The Person: Degree-qualified in applied science, electronics engineering, physics, or More ❯

development of next-generation infrared gas sensing technology.The role involves hands-on development and refinement of components used in optical sensing systems. You'll take responsibility for building and testing prototypes, evaluating performance, and contributing to design improvements that support future manufacturing. You'll be joining a small, focused team working on a technically challenging and impactful project … in either Python/Matlab/Pandas or Numpy is a must have for data analysis.The Role: Design and optimise sealed IR gas cell prototypes Conduct and document sensor performance testing Manage and deliver research activities from start to finish Support transfer of research outcomes into production The Person: Degree-qualified in applied science, electronics engineering, physics, or More ❯

of next-generation infrared gas sensing technology. The role involves hands-on development and refinement of components used in optical sensing systems. You'll take responsibility for building and testing prototypes, evaluating performance, and contributing to design improvements that support future manufacturing. You'll be joining a small, focused team working on a technically challenging and impactful project … either Python/Matlab/Pandas or Numpy is a must have for data analysis. The Role: Design and optimise sealed IR gas cell prototypes Conduct and document sensor performance testing Manage and deliver research activities from start to finish Support transfer of research outcomes into production The Person: Degree-qualified in applied science, electronics engineering, physics, or More ❯

of next-generation infrared gas sensing technology. The role involves hands-on development and refinement of components used in optical sensing systems. You'll take responsibility for building and testing prototypes, evaluating performance, and contributing to design improvements that support future manufacturing. You'll be joining a small, focused team working on a technically challenging and impactful project … either Python/Matlab/Pandas or Numpy is a must have for data analysis. The Role: Design and optimise sealed IR gas cell prototypes Conduct and document sensor performance testing Manage and deliver research activities from start to finish Support transfer of research outcomes into production The Person: Degree-qualified in applied science, electronics engineering, physics, or More ❯

you’ll do: Set the direction for frontend engineering across multiple product teams Lead architecture & development using React + Next.js (App + Pages Routers) Drive best practices in accessibility, performance & testing Mentor senior engineers and shape our design systems Champion modern tooling, CI/CD, observability & dev experience 💡 We’re looking for: 10+ years in frontend engineering Expert … in React, Next.js, and frontend performance optimization Strong leadership, mentoring, and system design skills Passion for developer experience and scalable UI architecture ✨ Nice to have: GraphQL, Vite, DevOps, experience in regulated or healthcare environments 💙 What you’ll get: 5 weeks holiday + bank holidays, private healthcare, EAP Fully remote working + access to Bristol/London offices Learning budget More ❯

to the client, ensuring compliance with all project specifications. Responsible for conducting commissioning activities per FläktGroup’s established scripts and additional equipment as required, while ensuring proper validation and performance testing of HVAC and electrical systems. Coordinate with the local Project Manager to ensure strict adherence to health, safety, and environmental (HSE) protocols, in line with GC and … BMS) is an advantage. Understanding of data center standards (e.g., TIER, ISO certifications) and international safety standards is an advantage. safety standards is an advantage. Skills: Proficient in commissioning, testing, and troubleshooting of HVAC and electrical systems. Strong understanding of airflow principles and performance testing (electricity, pressure, temperature, humidity, etc.). Methodical, with excellent planning, organizational, and More ❯

to the client, ensuring compliance with all project specifications. Responsible for conducting commissioning activities per FläktGroup’s established scripts and additional equipment as required, while ensuring proper validation and performance testing of HVAC and electrical systems. Coordinate with the local Project Manager to ensure strict adherence to health, safety, and environmental (HSE) protocols, in line with GC and … BMS) is an advantage. Understanding of data center standards (e.g., TIER, ISO certifications) and international safety standards is an advantage. safety standards is an advantage. Skills: Proficient in commissioning, testing, and troubleshooting of HVAC and electrical systems. Strong understanding of airflow principles and performance testing (electricity, pressure, temperature, humidity, etc.). Methodical, with excellent planning, organizational, and More ❯

restructure of their Product and Technology organisation. We’re seeking an experienced Full Stack Engineer to lead a team of 2, reporting into the Director, responsible for the development, testing and maintenance of a core component of their platform. The role will involve close collaboration with the product team and other engineering teams to design and deliver new capabilities … of their Product Delivery Lifecycle. Ensuring the team consistently achieves sprint commitments. Designing and building the back-end services that support the UI. Creating and maintaining automated tests. Conducting performance testing on finalized code. If you meet the above criteria, please apply and one of our team will get back to you to confirm next steps. #J More ❯

Our continual innovation is fueled by the bold ideas, fresh perspectives, and passionate voices our teams bring to everything we do. Mentorship & Career Growth We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you … field, or relevant work experience - Exposure to cloud computing concepts and design considerations - Advanced knowledge of configuration management systems, such as: Puppet, Chef, Ansible, or related systems - Experience with performance testing and tuning - Experience in a 24x7 production environment - Significant experience of monitoring frameworks (such as CloudWatch, Datadog, Grafana, Elastic or similar) Amazon is an equal opportunities employer. More ❯

and SAP logs (SLG1, SRTUTIL) to identify and resolve replication issues.  Stakeholder Collaboration: Work closely with HR, Payroll, and IT teams to ensure data consistency and optimize integration performance.  Testing & Governance: Conduct SIT/UAT testing, document integration designs, and ensure compliance with SAP best practices for EC-SAP integration. Required Skills & Experience  Strong expertise in SAP SuccessFactors More ❯

and SAP logs (SLG1, SRTUTIL) to identify and resolve replication issues. Stakeholder Collaboration: Work closely with HR, Payroll, and IT teams to ensure data consistency and optimize integration performance. Testing & Governance: Conduct SIT/UAT testing, document integration designs, and ensure compliance with SAP best practices for EC-SAP integration. Required Skills & Experience Strong expertise in SAP SuccessFactors More ❯