16 of 16 Performance Engineer Jobs in the UK

Principal Performance Engineer page is loaded Principal Performance Engineer Apply locations Banbury, United Kingdom Antwerpen, Belgium Coslada, Spain Kaunas, Lithuania Bussy Saint Georges, France time type Full time posted on Posted 6 Days Ago job requisition id JR- We are looking to hire a Principal Performance Engineer who will be a part of The … Solution Performance Research and Optimization team. This team exists to optimize the performance of our standard solutions and the work involves the creation of a global API for performance strategies and a reference implementation. This reference implementation will contain the optimizations and operationalizable performance strategies - essentially the output of the Solution Performance Research and Optimization … group. This role is intended to take an existing prototype codebase, operationalize it, integrate all current-generation performance strategies, and further develop the next-generation strategies that have already been started, as well as contributing to all the activities of the Solution Performance Research and Optimization team as required. We offer: Career Development Competitive Compensation And Benefits Pay More ❯

Product Performance & Test Engineer, Laboratory Lead, COR7303 A rare and exciting opportunity has arisen for a Product Performance & Test Engineer/Laboratory Lead, to join a UK-based R&D and manufacturing organisation driving innovation in sustainable appliance design. The Role The Product Performance & Test Engineer will lead the setup and operation of a … small-scale in-house testing facility. You'll take responsibility for designing test methods, analysing performance data, and ensuring products meet internal targets and international standards. Working closely with the wider product development team, you'll play a key role in driving improvements in efficiency, reliability, and sustainability. The Company This UK-based manufacturer is part of a larger … international group and is known for producing high-performance, user-friendly equipment used in commercial environments worldwide. With a strong investment in R&D and a culture of continuous improvement, they are committed to delivering simple, durable products with reduced running costs and environmental impact. 25 days holiday + bank holidays Company pension scheme Ongoing training & development What's More ❯

Product Performance & Test Engineer, Laboratory Lead, COR7303 A rare and exciting opportunity has arisen for a Product Performance & Test Engineer/Laboratory Lead, to join a UK-based R&D and manufacturing organisation driving innovation in sustainable appliance design. The Role The Product Performance & Test Engineer will lead the setup and operation of a … small-scale in-house testing facility. You'll take responsibility for designing test methods, analysing performance data, and ensuring products meet internal targets and international standards. Working closely with the wider product development team, you'll play a key role in driving improvements in efficiency, reliability, and sustainability. The Company This UK-based manufacturer is part of a larger … international group and is known for producing high-performance, user-friendly equipment used in commercial environments worldwide. With a strong investment in R&D and a culture of continuous improvement, they are committed to delivering simple, durable products with reduced running costs and environmental impact. Benefits: 25 days holiday + bank holidays Company pension scheme Ongoing training & development What More ❯

Machine Learning Performance Engineer, London London Isomorphic Labs is applying frontier AI to help unlock deeper scientific insights, faster breakthroughs, and life-changing medicines with an ambition to solve all disease. The future is coming. A future enabled and enriched by the incredible power of machine learning. A future in which diseases are curtailed or cured starting with … new breakthrough, were getting closer to the promise of digital biology, and achieving our ambitious mission to one day solve all disease with the help of AI. Machine Learning Performance Engineer, London Your impact This is an exciting opportunity for you to contribute to frontier research at the intersection of AI and drug design. Working in a highly … creative, iterative environment, you will join the model performance and scaling team, where you will partner with scientists and engineers to scale foundational models that will transform the biopharmaceutical world as we know it. You will draw upon your existing engineering experience whilst learning from those around you, to apply novel techniques and ideas to newly encountered model and More ❯

Performance Test Engineer - Defence & Security Locations: Bristol, Manchester, or Leeds (hybrid working model) Salary: £55,000 - £80,000 per annum (depending on experience & clearance level) Security Requirement: Active UK SC or DV clearance Role Overview Join a dynamic Technology & Transformation team working on critical Defence & Security programmes. As a Performance Test Engineer, you'll support assurance … and reliability of complex systems at scale-ensuring performance, resilience, and user satisfaction across mission-critical services. Key Responsibilities Design, execute, and analyse performance test scenarios for large-scale enterprise systems. Work closely with software engineers, operations teams, and stakeholders to define performance requirements and acceptance criteria. Lead or support performance testing in Agile delivery environments … alongside DevOps, QA, and delivery teams. Identify performance bottlenecks, provide actionable insights, and collaborate with technical teams to implement optimisations. Advise on load testing tools and frameworks, simulate realistic production-like loads, and build out continuous testing capabilities. Communicate performance findings effectively to both technical and leadership audiences. Required Experience & Qualifications Active Security Check (SC) or Developed Vetting More ❯

Performance Test Engineer - Defence & Security Locations: Bristol, Manchester, or Leeds (hybrid working model) Salary: 55,000 - 80,000 per annum (depending on experience & clearance level) Security Requirement: Active UK SC or DV clearance Role Overview Join a dynamic Technology & Transformation team working on critical Defence & Security programmes. As a Performance Test Engineer, you'll support assurance … and reliability of complex systems at scale-ensuring performance, resilience, and user satisfaction across mission-critical services. Key Responsibilities Design, execute, and analyse performance test scenarios for large-scale enterprise systems. Work closely with software engineers, operations teams, and stakeholders to define performance requirements and acceptance criteria. Lead or support performance testing in Agile delivery environments … alongside DevOps, QA, and delivery teams. Identify performance bottlenecks, provide actionable insights, and collaborate with technical teams to implement optimisations. Advise on load testing tools and frameworks, simulate realistic production-like loads, and build out continuous testing capabilities. Communicate performance findings effectively to both technical and leadership audiences. Required Experience & Qualifications Active Security Check (SC) or Developed Vetting More ❯

Performance Test Engineer Contract 5 months+ £350 Per day Role Description: To be successful as a Performance Test Engineer, you should have the following skills/experience: • Developing load testing scenarios using tools such as LoadRunner. Performance Center, AppDynamics, Dynatrace, New Relic, Kibana and Splunk. • Analysing performance bottlenecks and capacity limits. • Creating automated performance More ❯

Dynamics D365 Performance Engineer - Outside IR35 A number of D365 Performance Engineers are required for a public sector client. You will have extensive experience of D365 CE/CRM and Power Platform. Skills: D365 CE/CRM Power Platform Azure - IaaS/PaaS services .Net, C#, Javascript, TypeScript Strong knowledge of Performance tuning in D365 implementations … Responsibilities: Focus on owning and managing performance improvements in D365 implementations Design and implement performance tuning strategies Analyse telemetry, logs, and metrics to identify and improve performance in customizations, integrations, and infrastructure. Lead performance testing and optimization initiatives across the CRM platform The role is for 6 months initially and based from home with ad hoc More ❯

We are looking for a passionate and analytical SAP Performance Engineerto join our growing NFT SAP practice in the UK. This role is ideal for someone who thrives in cross-functional environments, is deeply knowledgeable in SAP performance tuning, particularly with S/4HANA and is driven to optimize large-scale enterprise systems for scalability, resilience, and speed. … You will play a key role inanalysing performance issues, troubleshooting bottlenecks, and designing robust solutionsacross SAP landscapes, with exposure to cutting-edge technologies like SAP BTP, cloud platforms (AWS/GCP), Docker, and Kubernetes. Primary Responsibilities: Collaborate with functional and technical teams to diagnose and resolve SAP system performance challenges. Design and execute performance benchmarking strategies for … SAP S/4HANA and integrated systems. Provide technical recommendations on system tuning, database optimization, and workload distribution. Conduct end-to-end performance tests and simulate real-world scenarios using tools like LoadRunner and JMeter. Use profiling and tracing tools (e.g., SAP ST03N, STAD, ST12, HANA PlanViz) to identify and isolate bottlenecks. Work on continuous performance monitoring and More ❯

Social network you want to login/join with: Machine Learning Performance Engineer, London col-narrow-left Client: Oxford Knight Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: bff6f7efc14f Job Views: 33 Posted: 12.08.2025 col-wide Job Description: Summary: Exciting opportunity to work at a tech-centric prop trading … fund which trades a wide range of financial products, with offices across the globe. Looking for an experienced engineer with low-level systems programming and optimization expertise to join their growing ML team. Machine learning is front and centre at this firm, and your focus will be to optimize the performance of their models: both training and inference. … straightforward CUDA, but they also need a whole-systems approach, including storage systems, networking, and host- and GPU-level considerations. The successful candidate will be a smart, curious software engineer who enjoys finding solutions for complex problems. If you also have a great appetite for learning new things, this role is for you! Requirements: An understanding of modern ML More ❯

exceptional service, to deliver personalised experiences that meet our customers ever-changing needs today and in the future. Job 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 Additional Information 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 More ❯

We believe that a diverse range of perspectives is a requirement for building great products. Join us on our mission and shape the future! Why this role? As a Performance Engineer in the Pre-Training team you will be responsible for optimizing the performance of our advanced language models and systems. Their primary focus is on improving … combines expertise in software engineering, machine learning, and low-level kernel design and development to design robust systems and enhance model performance. You will work on identifying and removing performance bottlenecks, develop cutting-edge training and profiling tools to help Cohere's mission of providing efficient and reliable language understanding and generation capabilities and drive innovation in the field … software for training. Understand architectural modifications and design choices and their effects on training throughput and quality. Write low-level CUDA, triton kernels to squeeze every last bit of performance from our accelerators. Research, implement, and experiment with ideas on our supercompute and data infrastructure. Learn from and work with the best researchers in the field. You may be More ❯

Systems & Performance Researcher/Engineer UK: London - Hybrid Preferred About Brave Brave is on a mission to protect the human right to privacy online. We've built a free web browser that blocks creepy ads and trackers by default, a private search engine with a truly independent index, private AI assistant, latest privacy and security features, and a … Summary Join us at Brave as we redefine the future of online experiences with a range of cutting-edge, top-performing products. We're seeking an experienced Systems and Performance Researcher/Engineer to shape and improve our performance evaluations and optimizations across desktop and mobile. If you're passionate about innovation, privacy, and delivering impactful AI … opportunity to make a difference. We need you to help with a wide range of key products, ranging from our browser ML models, novel applications, on-device AI agents, performance evaluations, and collaborating closely with privacy and security researchers to protect the users from AI risks. About you An ideal candidate will have a mix of skills that include More ❯

Arm's Userspace Performance team is looking for skilled software performance analysis engineers to join a growing team. Successful candidates will help improve the performance of software running on Arm systems used across the world. About The Team You will join a team of Software Engineers who all share a passion for wanting to stamp their mark … look into large software stacks with sophisticated interactions. We work closely with our tooling teams and try to come up with innovative ways to identify the root causes of performance issues. We interact with different teams across Arm that can help us get more insight into problems we face or help us improve the performance of the workloads … we are working on. Often we will connect with partner companies trying to understand what performance issues they are facing. Our goals include influencing decisions that hardware design teams make to help improve performance of future designs. We expect a professional, hardworking and flexible approach to work, with a flair for creative lateral thinking and problem solving with More ❯

We are looking for an engineer with experience in low-level systems programming and optimisation to join our growing ML team. Machine learning is a critical pillar of Jane Street's global business. Our ever-evolving trading environment serves as a unique, rapid-feedback platform for ML experimentation, allowing us to incorporate new ideas with relatively little friction. Your … part here is optimising the performance of our models both training and inference. We care about efficient large-scale training, low-latency inference in real-time systems and high-throughput inference in research. Part of this is improving straightforward CUDA, but the interesting part needs a whole-systems approach, including storage systems, networking and host- and GPU-level considerations. … but here are some of the things were looking for: An understanding of modern ML techniques and toolsets The experience and systems knowledge required to debug a training runs performance end to end Low-level GPU knowledge of PTX, SASS, warps, cooperative groups, Tensor Cores and the memory hierarchy Debugging and optimisation experience using tools like CUDA GDB, NSight More ❯

Excellence for ML content analysis, algorithm development, and tools, driving this unified effort forward. Develop in depth understanding of ML workload, develop algorithms and optimization techniques to drive PPA (Performance, Power, Area) on current and future Arm platforms. Implementation of performance critical machines specific kernel or ARM assembly codeon dedicated hardware accelerator and CPU to drive algorithm and … architecture exploration Collaborate with ML Algorithm development team to explore performance critical analysis Develop internal tooling capabilities to support algorithmic and architecture exploration Examples: Develop performance critical assembly code to accelerate ML operations done in low precision arithmetic Develop performance critical kernel to accelerate fusing of multiple ML operations on accelerators Explore different quantization schemes and assess … performance PPA trade off We are looking for individuals who: 3+ years experience in developing performance critical kernel on dedicated accelerator, GPU or CPU Graduate students in Computer Engineering, Electrical Engineering, Computer Science or other related technical fields Deep knowledge in machine learning, deep learning, and neural network design, optimization, and compression techniques Overall high-level knowledge of More ❯