1 to 25 of 63 Performance Engineer Jobs in the UK

the highest standards and execute beyond them. And if you're like us, we can offer you the ultimate career opportunity that will light a fire within you. Lead Performance Test Engineer - Southampton (hybrid). So, what's the role all about? We are looking for a talented Lead Performance Test Engineer to join our team. … will you make an impact? Understanding the functional and non-functional requirements Evaluating the objectives of the service level agreement Designing the test scripts Identifying parameter for testing Executing performance runs Using consistent metrics for monitoring Identifying bottlenecks, and where they occur Interpreting results and graphs Understand describe the relationship between queues and sub-systems. Identify suggestions for performance … Strategies in a global organization and to oversee the testing team activities and initiatives for best practices. Have you got what it takes? At least 10+ years' experience in Performance Testing, software R&D and/or System support/engineering Experience in Performance Testing web applications, services and support architectural assets thru using solutions such as K6 More ❯

pace, and to maintain our cadence we believe in hiring strong technical talent and then supporting that talent to grow with us. Our offices are in Abingdon but this Performance Test Engineer Lead role could be either office based or hybrid with monthly office days . You should live within reasonable commute of Abingdon. The Role Working as … part of our Software Quality team, you will play a key role in strategising, implementing, and optimising performance testing for our systems, ensuring robust, scalable, and high-performing applications. This is a hands-on position requiring both technical expertise and the ability to mentor junior team members while driving improvements in performance testing practices across the business. Key … Tasks and Responsibilities Design and implement detailed performance testing plans, including load, stress, endurance, and scalability testing. Develop and maintain automated performance testing suites using tools like JMeter, Gatling, NeoLoad, LoadRunner or similar. Integrate automated performance tests into CI/CD pipelines using Jenkins, TeamCity, or similar tools. Establish and maintain key performance metrics through baseline More ❯

exceptional service, to deliver personalised experiences that meet our customers ever-changing needs today and in the future. Role description We are currently recruiting for an Application Reliability and performance Engineer to join our Team. We are seeking a high motivated individual to bring a diverse skill set and proactive mindset to help ensure the stability, efficiency, and … query language and PLSQL Agile principles and ways of working Excellent client-facing communication skills DevOps mindset Excellent problem-solving abilities Automation Core AWS Services & Infrastructure as Code Application Performance Optimisation What’s in it for you?: Competitive salary that reflects your skills, experience and potential. Discretionary bonus scheme that recognises your hard work and contributions to esure’s More ❯

Join to apply for the Lead Performance Test Engineer role at Nice Group . At NICE, we challenge our limits and set high standards. We are looking for a talented Lead Performance Test Engineer to join our team in Southampton (hybrid). The role involves analyzing business scenarios, designing test scripts, executing performance runs, and … identifying bottlenecks to improve system performance. Responsibilities include: Analyzing business scenarios and requirements Designing and executing performance tests Monitoring metrics and identifying bottlenecks Preparing test reports and providing performance tuning suggestions Qualifications: 10+ years in Performance Testing, R&D, or System support/engineering Experience with web performance testing tools like K6, LoadRunner, JMeter Strong understanding More ❯

Mainframe Performance QA Engineer BCP Special Pool IRC248855 Job: IRC248855 Location: United Kingdom - London Designation: Lead Test Engineer Experience: 5-10 years Function: Quality Assurance Skills: DB2, IBM IMS, JCL, Performance testing/tuning, z/OS Work Model: Remote, Hybrid The client is a world-leading provider of telecommunication solutions to mobile & fixed network operators. … telecom operators. Requirements: At least 5 years of hands-on experience: Good knowledge of IMS (log (IMS type 07 and Type 56FA) and ABEND analysis, DC Monitor (DFSUTR20), STROBE, Performance Analyzer, IMSASAP/GPAR, ability to read SYSUDUMPs, etc.) Performance tuning techniques: OS (z/OS,) Database (IMS, DB2) with focus on IMS tuning Strong expertise in performance … learn assigned product to smallest details, become a good expert in the product Work closely with the Development team and other stakeholders to understand the project goals and requirements Performance Validation Plan and Performance Results documentation Benchmark and volume testing including execution of monitoring tools and database utilities and interpretation of results Analyze test results to determine performance More ❯

where data is the ultimate currency. If you're ready to shape the future of data security, Protegrity is the place for you. Join Our Team as a Principal Performance Engineer! Are you passionate about technology and eager to make a significant impact? We are looking for a talented Principal Performance Engineer to join our dynamic … team. In this role, you will play a crucial part in enhancing the performance of our Protegrity products and ensuring they meet the highest standards. Responsibilities: Collaborate closely with the Manager/Director of Product Performance Engineering and other team members to understand and evaluate the performance of our products. Develop and enhance performance evaluation scopes … execute tests, and troubleshoot performance issues. Provide technical leadership and guidance to team members, fostering a supportive and inclusive environment. Engage with customers to understand and resolve performance issues, ensuring their satisfaction. Stay current with industry best practices and trends to continuously improve our products. Qualifications: BE or BTech in Computer Engineering degree with 8-10 years real More ❯

the world's largest PC company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo's continued investment in world-changing innovation is building a more equitable, trustworthy, and smarter future for everyone, everywhere. … trustworthy, and smarter future for everyone, everywhere. To find out more visit , and read about the latest news via our StoryHub . Description and Requirements Building on our breakthrough performance in high-performance computing (HPC) and our expanding global HPC customer base, Lenovo is enhancing our global HPC/AI team with specialist performance engineers. We aim … to lead the next generation of air and Neptune liquid-cooled high-performance computational platforms. To achieve this mission, we are looking for a motivated and innovative HPC/AI Performance Engineer to join our team. This role involves rigorous testing of our systems at scale to ensure optimal performance helping us to build some of More ❯

Principal Performance Tester - Shape & Lead Performance Engineering We're recruiting for a Principal Performance Tester to help establish and grow a performance testing capability at a fast-scaling tech business in the payments space. You'll drive strategy, design environments, and ensure systems meet demanding performance and scalability needs. The role: Define and deliver performance testing strategy (load, stress, soak). Design, build, and optimise performance test environments. Lead performance testing across APIs, web apps, and databases. Provide insight on risks, bottlenecks, and tuning opportunities. Guide and mentor teams, driving best practices and a shift-left approach. What we're looking for: 8-10+ years' experience in performance testing enterprise … systems. Significant leadership in quality/performance engineering. Hands-on expertise with tools (JMeter, BlazeMeter, K6, Kibana, CloudFlare). Experience with modern DevOps and infrastructure-as-code tooling. Skilled in replica environment design, NFR elicitation, and performance tuning. Strong communicator and technical leader. What next? Get in touch with Jordan Burns at VANRATH to learn more or apply More ❯

Social network you want to login/join with: Performance Engineer - Open Source, London col-narrow-left Client: Canonical Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 2158f9050ce6 Job Views: 16 Posted: 20.06.2025 col-wide Job Description: Canonical is a leading provider of open source software and operating systems … interesting locations around the world, to align on strategy and execution. The company is founder led, profitable and growing. We have created a new career path at Canonical for Performance Engineers who bring exceptional clarity to software performance, correctness and efficiency. We are adding these roles to every engineering team at the company. As an open source platform … server and desktop applications, all the way to the web. We are adding roles with this focus in every engineering team in the company, to act as drivers of performance engineering skills, tools, culture and insights to our entire product range . We have also created a central performance engineering team, where we will drive shared tools, dashboarding More ❯

Performance, Efficiency and Drivability Engineer (PED Engineer) Performance, Efficiency and Drivability Engineer (PED Engineer) 2 days ago Be among the first 25 applicants Direct message the job poster from Tata Consultancy Services Employer Branding at Tata Consultancy Services If you need support in completing the application or if you require a different format of … biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. Role: Performance, Efficiency and Drivability Engineer (PED Engineer) Location: Gaydon Job Type: Permanant The Role As a Performance, Efficiency and Drivability Engineer (PED Engineer) you will … content (Feature Statement of Intent Use cases, requirements, test cases, HMI), and leading Design validation and sign-off. In this role you will be responsible for supporting the Lead Engineer with data analysis, summaries and judgement. This work will support the delivery of the Product Efficiency and Performance & Driveability Attributes and Features for a given vehicle architecture, programme More ❯

Principle Performance Engineer £60,000 - £70,000 45 days holiday Fully Remote - Must be based in the UK No Sponsorship Opportunities An exciting opportunity has opened up at a fast-growing fintech undergoing a major platform transformation who are looking for a Principle Performance Engineer to establish and scale a modern performance testing function. You … ll have the autonomy to define strategy, build tooling, and create performance environments in a multi-cloud/on-prem architecture. This is a high-impact, highly visible role with influence across engineering, DevOps, and product teams. What you’ll be doing: Leading performance testing strategy and implementation across the stack Designing and managing dedicated performance test … environments Building scalable, production-replica load scenarios Driving a shift-left performance culture across engineering Identifying bottlenecks, tuning infrastructure, and enabling high availability Advising senior stakeholders on system health and performance risks You’ll need to bring: 8+ years of performance testing experience in enterprise environments 5+ years in a lead or principal role within quality engineering More ❯

Principle Performance Engineer £60,000 - £70,000 45 days holiday Fully Remote - Must be based in the UK No Sponsorship Opportunities An exciting opportunity has opened up at a fast-growing fintech undergoing a major platform transformation who are looking for a Principle Performance Engineer to establish and scale a modern performance testing function. You … ll have the autonomy to define strategy, build tooling, and create performance environments in a multi-cloud/on-prem architecture. This is a high-impact, highly visible role with influence across engineering, DevOps, and product teams. What you’ll be doing: Leading performance testing strategy and implementation across the stack Designing and managing dedicated performance test … environments Building scalable, production-replica load scenarios Driving a shift-left performance culture across engineering Identifying bottlenecks, tuning infrastructure, and enabling high availability Advising senior stakeholders on system health and performance risks You’ll need to bring: 8+ years of performance testing experience in enterprise environments 5+ years in a lead or principal role within quality engineering More ❯

Hours: 37 hours per week We currently have an exciting opportunity for talented and experienced Systems Performance Engineer, who has come from a Mathematical Modelling background, who will provide performance prediction and analysis expertise to major defence programmes, developing the latest complex capabilities for the UK Armed Forces in response to advanced threats in all domains (Air … Land, Sea). You will be joining a world class technical engineering company based in Bristol. The opportunity: The role of a System Performance Engineer is to carry out technical studies on system performance. Performance studies use models of the system to estimate key performance indicators. The System Performance Engineer will: Plan and conduct … technical studies into system performance, using complex mathematical models, to help the project and understand key system design choices Develop a good understanding of how the wider system affects performance and the knock-on impacts of changes to the design Work with SMEs in other technical departments to understand how each of these contribute to system performance More ❯

theories of these technologies. We invite you to join us on this exciting journey and drive your career forward. Job Summary We are seeking a highly motivated and enthusiastic Performance Engineer to join our dynamic workload modelling team. In this role, you will have the opportunity to work on cutting-edge projects involving performance projection, simulation, and … architectural studies, with a focus on server CPUs, NPUs, and AI workloads. As a Performance Engineer, you will contribute to the development of performance models for upcoming server processors and accelerators, support architectural studies, and drive software/hardware co-optimization for next-generation systems. Key Responsibilities: Develop and enhance simulation features to enable rapid architectural exploration … and performance evaluation of server CPUs and NPUs, focusing on AI and large-scale data analytics workloads. Conduct in-depth performance projections for various workloads, including databases, distributed storage, and engines for AI and data analytics. Contribute to architectural studies to explore and evaluate the latest server CPU core and SOC designs. Work on characterizing workloads and developing More ❯

Role: kdb+ Engineer Locations: London Belfast Manchester Edinburgh More in UK Job Type: Full-Time Job Description In this role you will be working in support of our expanding global customer base and ambitious growth plans, we are looking to strengthen our technical capability within the organisation. To support this projected growth we want to attract talented Senior kdb+ … Version 1 , we believe in providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional growth, and financial stability. Share in our success with our Quarterly Performance-Related Profit Share Scheme, where employees collectively benefit from a share of our company's profits. Strong Career Progression & mentorship coaching through our Strength in Balance & Leadership schemes with More ❯

biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. Role: Performance, Efficiency and Drivability Engineer (PED Engineer) Location: Gaydon Job Type: Permanant The Role As a Performance, Efficiency and Drivability Engineer (PED Engineer) you will … content (Feature Statement of Intent Use cases, requirements, test cases, HMI), and leading Design validation and sign-off. In this role you will be responsible for supporting the Lead Engineer with data analysis, summaries and judgement. This work will support the delivery of the Product Efficiency and Performance & Driveability Attributes and Features for a given vehicle architecture, programme … and model year. A PED Engineer’s scope of work spans the entire product development milestones and includes contributions to activities such as target definition, competitor benchmark analysis, management of attribute inputs and trades, vehicle development and sign off for successful certification of product efficiency targets Your responsibilities: Keep PED system tools and maintain databases up to date with More ❯

Join to apply for the Aircraft Performance Engineer role at Jet2.com and Jet2holidays Join to apply for the Aircraft Performance Engineer role at Jet2.com and Jet2holidays Jet2.com and Jet2holidays are always looking for great people to join our award-winning team of colleagues. We’re looking to hire an Aircraft Performance Engineer to join … our Flight Operations Technical Team . Reporting to the Aircraft Performance Manager, the Aircraft Performance Engineer is responsible for providing technical expertise on all aspects of aircraft performance to the Jet2.com operation, in accordance with regulatory and company requirements. This role delivers a vital contribution to the continued safe and efficient operation of the Jet2.com fleet. … As an Aircraft Performance Engineer , you’ll have access to a wide range of benefits including; Competitive salary, with annual pay review Colleague discounts on Jet2holidays and Jet2.com flights Generous Discretionary Profit Share Scheme Contributory pension scheme At Jet2.com and Jet2holidays we’re working together to deliver an amazing journey, literally! We really drive forward a customer first More ❯

Lead Performance Data Engineer Location : Various Club Locations (Vitality Stadium, Away Games, Training Facilities) Salary: Dependent on experience Entering an exciting new chapter in their long and storied history, they are proud to retain a focus on family and community. Delivering that engagement with their loyal supporters is a passionate and integrated backroom staff, working closely together to … talent from top clubs around Europe. These developments also bring a great opportunity to further improve their women’s team and youth setup overall. The Role Reporting to the Performance Director, the Lead Performance Data Engineer will be a vital member of the performance and medical team, who manages performance and medical data both within … the club and across the multi-club model of Black Knight Football Club. The Lead Performance Data Engineer will use technical expertise and analysis skills to build their data platform from the ground up and play a crucial role in shaping the future of their data optimised systems and practices. Skills and Qualifications BS or equivalent in Computer More ❯

us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator … analyses and design recommendations. Tooling & Automation: Develop Python/C++ tooling for trace parsing, statistical analysis and visualisation. Integrate models into CI so that every RTL commit gets a performance smoke test. Skills & Experience 3+ years building performance or power models for CPUs, GPUs, ASICs, or accelerators Strong coding ability in C++ and Python; experience with discrete-event More ❯

us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator … analyses and design recommendations. Tooling & Automation: Develop Python/C++ tooling for trace parsing, statistical analysis and visualisation. Integrate models into CI so that every RTL commit gets a performance smoke test. Skills & Experience 3+ years building performance or power models for CPUs, GPUs, ASICs, or accelerators Strong coding ability in C++ and Python; experience with discrete-event More ❯

us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator … analyses and design recommendations. Tooling & Automation: Develop Python/C++ tooling for trace parsing, statistical analysis and visualisation. Integrate models into CI so that every RTL commit gets a performance smoke test. Skills & Experience 3+ years building performance or power models for CPUs, GPUs, ASICs, or accelerators Strong coding ability in C++ and Python; experience with discrete-event More ❯

us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Project Ownership: Own and deliver projects on your team's roadmap that unlock key high-impact technical and business … milestones that drive the success of Flux. Collaboration: Work shoulder-to-shoulder with hardware, compiler and ML framework teams to ensure models reflect reality and reality meets performance goals. Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator: Design and maintain architectural & cycle-accurate models of the OPTU subsystems More ❯

us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Project Ownership: Own and deliver projects on your team's roadmap that unlock key high-impact technical and business … milestones that drive the success of Flux. Collaboration: Work shoulder-to-shoulder with hardware, compiler and ML framework teams to ensure models reflect reality and reality meets performance goals. Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator: Design and maintain architectural & cycle-accurate models of the OPTU subsystems More ❯

us in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Project Ownership: Own and deliver projects on your team's roadmap that unlock key high-impact technical and business … milestones that drive the success of Flux. Collaboration: Work shoulder-to-shoulder with hardware, compiler and ML framework teams to ensure models reflect reality and reality meets performance goals. Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full pipeline. Performance Simulator: Design and maintain architectural & cycle-accurate models of the OPTU subsystems More ❯

in London to be part of a highly motivated and skilled team that thrives on delivering impact and innovation at speed. The Role We’re searching for a Staff Performance Modeling Engineer to create and own the analytical and simulation models that steer OTPU architecture and software evolution. You will build functional simulators as well as high-fidelity … insights that directly influence our software, hardware, and optical roadmaps. This role sits at the crossroads of hardware architecture, software tooling and machine-learning workload analysis, perfect for an engineer who loves data-driven decision-making and fast iteration. Responsibilities Ownership: Define and deliver the technical vision and roadmap for your team that unlocks key strategic technical and business … to the success of Flux. Collaboration: Partner closely with all engineering teams to help shape our overall system architecture and delivery while ensuring models reflect reality and reality meets performance goals. Champion Modelling: Educate peers on modelling methodology and champion data-driven design culture. Functional Simulator: Design, build, and maintain a functional simulator of the OPTU subsystem and full More ❯