25 of 25 Permanent Performance Engineer Jobs in the UK

profit organisations worldwide. Our teams are located internationally, with a global presence spanning 11 countries. We embody a culture of collaboration, innovation and high-performance, relentlessly pushing the boundaries of fintech innovation to make a meaningful impact on a global scale. About the role Paydock is seeking a Database … Performance Engineer to join our remote global team. As a valued member of the team, you'll report directly to the Engineering Lead, and work closely within the Engineering team to deliver by ensuring optimal performance of our databases, supporting and auditing developer code for high performance … infrastructure for our database systems. Don't miss out on this incredible opportunity to take your career to new heights with Paydock! Responsibilities Data Performance Engineer will have the following responsibilities and duties: Database Performance Optimization: Monitor and optimise the performance of MongoDB and PostgreSQL databases. More ❯

profit organisations worldwide. Our teams are located internationally, with a global presence spanning 11 countries. We embody a culture of collaboration, innovation and high-performance, relentlessly pushing the boundaries of fintech innovation to make a meaningful impact on a global scale. About the role Paydock is seeking a Database … Performance Engineer to join our remote global team. As a valued member of the team, you'll report directly to the Engineering Lead, and work closely within the Engineering team to deliver by ensuring optimal performance of our databases, supporting and auditing developer code for high performance … infrastructure for our database systems. Don't miss out on this incredible opportunity to take your career to new heights with Paydock! Responsibilities Data Performance Engineer will have the following responsibilities and duties: Database Performance Optimization: Monitor and optimise the performance of MongoDB and PostgreSQL databases. More ❯

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 More ❯

Principal Performance Modelling Engineer £140,000+ DOE, UK remote working + stock options! I'm currently partnered with a Semiconductor start-up, based in Silicon Valley. They are working on re-imagining Silicon, creating RISCV based computing platforms aimed at transforming the industry. As a Principal Performance Modelling Engineer you will develop functional and timing simulators, undertake performance analysis for architectural exploration and identify and fix performance bottlenecks. You'll also be involved in workload analysis, to develop a deep understanding of the characteristics of workloads in the target market (machine learning, data … is huge opportunity for this position to develop into a technical leadership role through excellent career progression avenues. What's required for this Principal Performance Modelling Engineer position? Strong C/C++ development skills Excellent understanding of GPU/CPU architecture and microarchitecture Knowledge of performance modelling More ❯

Principal Performance Modelling Engineer £140,000+ DOE, UK remote working + stock options! I'm currently partnered with a Semiconductor start-up, based in Silicon Valley. They are working on re-imagining Silicon, creating RISCV based computing platforms aimed at transforming the industry. As a Principal Performance Modelling Engineer you will develop functional and timing simulators, undertake performance analysis for architectural exploration and identify and fix performance bottlenecks. You'll also be involved in workload analysis, to develop a deep understanding of the characteristics of workloads in the target market (machine learning, data … is huge opportunity for this position to develop into a technical leadership role through excellent career progression avenues. What's required for this Principal Performance Modelling Engineer position? Strong C/C++ development skills Excellent understanding of GPU/CPU architecture and microarchitecture Knowledge of performance modelling More ❯

Principal Performance Modelling Engineer £140,000+ DOE, UK remote working + stock options! I'm currently partnered with a Semiconductor start-up, based in Silicon Valley. They are working on re-imagining Silicon, creating RISCV based computing platforms aimed at transforming the industry. As a Principal Performance Modelling Engineer you will develop functional and timing simulators, undertake performance analysis for architectural exploration and identify and fix performance bottlenecks. You'll also be involved in workload analysis, to develop a deep understanding of the characteristics of workloads in the target market (machine learning, data … is huge opportunity for this position to develop into a technical leadership role through excellent career progression avenues. What's required for this Principal Performance Modelling Engineer position? Strong C/C++ development skills Excellent understanding of GPU/CPU architecture and microarchitecture Knowledge of performance modelling More ❯

Principal Performance Modelling Engineer £140,000+ DOE, UK remote working + stock options! I'm currently partnered with a Semiconductor start-up, based in Silicon Valley. They are working on re-imagining Silicon, creating RISCV based computing platforms aimed at transforming the industry. As a Principal Performance Modelling Engineer you will develop functional and timing simulators, undertake performance analysis for architectural exploration and identify and fix performance bottlenecks. You'll also be involved in workload analysis, to develop a deep understanding of the characteristics of workloads in the target market (machine learning, data … is huge opportunity for this position to develop into a technical leadership role through excellent career progression avenues. What's required for this Principal Performance Modelling Engineer position? Strong C/C++ development skills Excellent understanding of GPU/CPU architecture and microarchitecture Knowledge of performance modelling More ❯

Performance Modelling Engineer – Onsite, Cambridge A major tech company is seeking a Performance Modelling Engineer to join its growing CPU Architecture team in Cambridge. This onsite role offers the opportunity to shape next-generation CPU innovations through advanced modelling, simulation, and workload analysis. Key Responsibilities: Develop … and maintain performance models for CPU microarchitecture. Conduct detailed performance and power analyses to evaluate design trade-offs. Automate workflows and create visualizations to identify bottlenecks. Collaborate with architects and engineers to refine CPU design strategies. Requirements: Bachelor's or Master’s degree in Computer Science, Electrical Engineering … or related fields. Hands-on experience in performance modelling and CPU microarchitecture analysis . Strong proficiency in C/C++ and familiarity with Python for scripting. Understanding of cycle-accurate or functional simulators and microarchitecture pipelines. Excellent communication and collaboration skills. What’s Offered Work on cutting-edge CPU More ❯

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 be delivering new feature 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 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 … 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 testing and tuning Strong technical QA experience Excellent skills in defining, documenting, and analyzing test strategy, test plan, test cases, and test results Excellent test case execution and troubleshooting skills Testing proficiency (release-specific testing, regression testing) Testing in a Waterfall environment Manual and automated More ❯

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. More ❯

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. More ❯

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 … 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 More ❯

Job Overview: We're looking for an experienced Software Engineer who thrives on taking on performance bottlenecks and optimising software and cloud-based systems. If you're someone who loves challenging performance issues, using groundbreaking tools, and enjoys sharing your knowledge we want you on our team … Would you like to join our growing team in the UK and USA that are building a developer friendly and extensible performance analysis toolkit and help our users solve their performance bottlenecks? Responsibilities: Accountable for ensuring our performance tools provide the automated insights to solve performance issues. Establish the 'what do I do next' insights for performance workflows. Grow into a go-to expert on performance workflows on Arm Neoverse platforms, driving user impact by bringing technical insights from across the organization to life in tooling. Work with product, UX (user experience) and More ❯

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 … 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 tuning. Preparing the test report Qualifications Demonstrated capability to drive out Test 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 More ❯

Senior Performance Tester – Privileged Access Management (PAM) Location: Remote/UK Based Initial 6 month contract About the Role We’re seeking a skilled Senior Performance Tester to join our team on a high-impact Privileged Access Management (PAM) project. You’ll be responsible for designing, executing, and … analyzing performance test scenarios that ensure the scalability, reliability, and responsiveness of PAM tools in enterprise environments. This is a critical role supporting the secure management of privileged accounts across infrastructure and applications, contributing directly to performance assurance and risk mitigation. Key Responsibilities Design, script, and execute performance, load, stress, and scalability tests using tools such as LoadRunner, JMeter, Gatling, or equivalent. Collaborate with business analysts, architects, and engineers to understand performance requirements and user scenarios. Simulate real-world high-load scenarios involving PAM activities like account onboarding, password rotation, and session recording. Execute tests using More ❯

Senior Performance Tester – Privileged Access Management (PAM) Location: Remote/UK Based Initial 6 month contract About the Role We’re seeking a skilled Senior Performance Tester to join our team on a high-impact Privileged Access Management (PAM) project. You’ll be responsible for designing, executing, and … analyzing performance test scenarios that ensure the scalability, reliability, and responsiveness of PAM tools in enterprise environments. This is a critical role supporting the secure management of privileged accounts across infrastructure and applications, contributing directly to performance assurance and risk mitigation. Key Responsibilities Design, script, and execute performance, load, stress, and scalability tests using tools such as LoadRunner, JMeter, Gatling, or equivalent. Collaborate with business analysts, architects, and engineers to understand performance requirements and user scenarios. Simulate real-world high-load scenarios involving PAM activities like account onboarding, password rotation, and session recording. Execute tests using More ❯

Job Overview: High-performance ML workloads on Arm CPUs require the co-development of algorithms and highly optimized CPU kernels. In CT-ML (Central Technology, Machine Learning), rapid kernel prototyping is crucial for exploring algorithms and assessing trade-offs between model accuracy and performance. Successful prototypes drive future CPU … of a dedicated team within the CT-ML group focused on analyzing ML workloads and rapidly prototyping highly optimized CPU kernels to enhance model performance and accuracy. Required Skills and Experience: Strong interest and passion for implementing high-performance kernel code in dynamic environments. 4+ years of experience … in implementing high-performance CPU kernels with vector and matrix extensions. Experience measuring and understanding performance metrics. Experience in creating efficient kernel development frameworks, including tools and testing methodologies. Deep understanding of CPU architecture. "Nice To Have" Skills and Experience: Knowledge of ML models and algorithms is a More ❯

be working on multiple streams, and we expect you to balance your day-to-day tasks. At Evri we carry out several types of performance testing: performance, stress, scalability, recovery, and portability testing. As a member of our team, you are expected to be an industry expert in … support the development of relevant policies and standards aligned with industry best practices. You will join early in a systems lifecycle to determine its performance testing needs and ensure everything required is in place. For each test, you will monitor resources, investigate discrepancies, and provide solutions to stakeholders highlighting … with our development and service teams, provide feedback and guidance on scaling rules, instance sizing, and the best course of action in cases where performance degradation is identified. You will be accountable for: Validating application features in production-like environments to ensure product stability from inception to release. Joining More ❯

The team specialises in delivering performance and dynamic analysis for aircraft systems including landing gear, shock absorption, extension/retraction, and steering. They support major programmes within the Systems Engineering team to ensure the highest standards of performance and reliability are achieved. Key Responsibilities: Build computational models and … run simulations Calculate static and dynamic loads Conduct performance and frequency response analyses Perform stability, shimmy, modal analysis, and failure case analyses Correlate and validate computational models Write and validate performance and dynamics requirements Define and document simulation cases and pass/fail criteria Optimise design solutions in … Proficiency in MATLAB/Simulink, MSC ADAMS, MSC EASY5 and/or AMESim Desirable Experience with landing gear extension/retraction analysis, shock absorber performance analysis, recoil analysis, shimmy and stability analysis, and system loads generation Knowledge of nose-wheel steering analysis, vibration analysis, electrical systems engineering, airworthiness requirements More ❯

CPU Architecture team at our UK Research Centre and play a pivotal role in shaping the future of next-generation CPU innovations. As a Performance Modelling Engineer, you will utilize advanced modelling, simulation, and workload characterization techniques to evaluate hardware design choices, quantify trade-offs, and provide data … driven insights that drive our architectural roadmap. Key Responsibilities: Design, implement, and refine performance models that accurately predict CPU microarchitecture behaviour. Maintain and enhance in-house toolchains for cycle-accurate, trace-driven, and statistical simulations. Assess the feasibility and cost-benefit trade-offs of new CPU features through in … depth performance and power analyses. Develop new methodologies, automate workflows, and create intuitive visualizations to identify bottlenecks and guide optimizations. Collaborate with architects, software engineers, and a global community of performance modelling experts on design reviews and best practices. Continuously improve modelling strategies to inform next-generation CPU More ❯

CPU Architecture team at our UK Research Centre and play a pivotal role in shaping the future of next-generation CPU innovations. As a Performance Modelling Engineer, you will utilize advanced modelling, simulation, and workload characterization techniques to evaluate hardware design choices, quantify trade-offs, and provide data … driven insights that drive our architectural roadmap. Key Responsibilities: Design, implement, and refine performance models that accurately predict CPU microarchitecture behaviour. Maintain and enhance in-house toolchains for cycle-accurate, trace-driven, and statistical simulations. Assess the feasibility and cost-benefit trade-offs of new CPU features through in … depth performance and power analyses. Develop new methodologies, automate workflows, and create intuitive visualizations to identify bottlenecks and guide optimizations. Collaborate with architects, software engineers, and a global community of performance modelling experts on design reviews and best practices. Continuously improve modelling strategies to inform next-generation CPU More ❯

CPU Architecture team at our UK Research Centre and play a pivotal role in shaping the future of next-generation CPU innovations. As a Performance Modelling Engineer, you will utilize advanced modelling, simulation, and workload characterization techniques to evaluate hardware design choices, quantify trade-offs, and provide data … driven insights that drive our architectural roadmap. Key Responsibilities: Design, implement, and refine performance models that accurately predict CPU microarchitecture behaviour. Maintain and enhance in-house toolchains for cycle-accurate, trace-driven, and statistical simulations. Assess the feasibility and cost-benefit trade-offs of new CPU features through in … depth performance and power analyses. Develop new methodologies, automate workflows, and create intuitive visualizations to identify bottlenecks and guide optimizations. Collaborate with architects, software engineers, and a global community of performance modelling experts on design reviews and best practices. Continuously improve modelling strategies to inform next-generation CPU More ❯

CPU Architecture team at our UK Research Centre and play a pivotal role in shaping the future of next-generation CPU innovations. As a Performance Modelling Engineer, you will utilize advanced modelling, simulation, and workload characterization techniques to evaluate hardware design choices, quantify trade-offs, and provide data … driven insights that drive our architectural roadmap. Key Responsibilities: Design, implement, and refine performance models that accurately predict CPU microarchitecture behaviour. Maintain and enhance in-house toolchains for cycle-accurate, trace-driven, and statistical simulations. Assess the feasibility and cost-benefit trade-offs of new CPU features through in … depth performance and power analyses. Develop new methodologies, automate workflows, and create intuitive visualizations to identify bottlenecks and guide optimizations. Collaborate with architects, software engineers, and a global community of performance modelling experts on design reviews and best practices. Continuously improve modelling strategies to inform next-generation CPU More ❯

Test Engineer We are looking for a skilled Test Engineer to join a growing company at the forefront of developing semiconductor devices for the defence industry. Your responsibilities will include designing and implementing new RF production test solutions (both hardware and software) and assisting Test Technicians and Operators More ❯