21 of 21 Remote/Hybrid Performance Engineer Jobs in England

Performance Engineer (Device-Level Analysis)OverviewWe are hiring a CPU Performance Engineer focused on device-level performance analysis. This role sits at the intersection of real-world system behaviour and CPU microarchitecture, with the objective of understanding performance observed on devices and translating … into actionable insights for CPU design teams. You will work on silicon platforms and real devices, analysing performance across complex and often non-deterministic environments. The role requires a solid foundation in CPU fundamentals, along with a strong interest in understanding how system-level behaviour maps to underlying microarchitecture. ...

Performance Test EngineerLocation: London or Leeds, UK (Hybrid)Type: PermanentSalary Band : Grade B2Role OverviewWe are looking for a Performance Test Engineer to drive performance assurance across cloud, hybrid, and on-premise environments. You will design and execute performance, load, stress, and volume tests, identify bottlenecks … work closely with development and architecture teams to ensure scalable, resilient, and high-performing applications. Key ResponsibilitiesDesign and execute performance testing strategies and test plans. Perform load, stress, endurance, and volume testing. Analyze test results and provide performance improvement recommendations. Monitor applications using Grafana, Splunk, New Relic ...

Date: 24 Sept 2026 Company: QualityAI Country/Region: GB Performance Test Engineer Location: London or Leeds, UK (Hybrid) Type: Permanent Salary Band : Grade B2 Role Overview We are looking for a Performance Test Engineer to drive performance assurance across cloud, hybrid, and on-premise … environments. You will design and execute performance, load, stress, and volume tests, identify bottlenecks, and work closely with development and architecture teams to ensure scalable, resilient, and high-performing applications. Key Responsibilities Design and execute performance testing strategies and test plans. Perform load, stress, endurance, and volume testing. ...

Date: 24 Sept 2026 Company: QualityAI Country/Region: GB Performance Test Engineer Location: London or Leeds, UK (Hybrid) Type: Permanent Salary Band : Grade B2 Role Overview We are looking for a Performance Test Engineer to drive performance assurance across cloud, hybrid, and on-premise … environments. You will design and execute performance, load, stress, and volume tests, identify bottlenecks, and work closely with development and architecture teams to ensure scalable, resilient, and high-performing applications. Key Responsibilities Design and execute performance testing strategies and test plans. Perform load, stress, endurance, and volume testing. ...

it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. We are seeking a Cloud Performance Engineer to work with technology teams across the firm to build high-performance cloud solutions for trading workloads. You will join the Cloud Performance Team, working alongside cloud engineers, software developers, Linux- and network engineers to optimize performance end to end. The ideal candidate draws on experience in cloud technology, systems engineering, networking and automation. What you will do in this role: Design and implement cloud and hybrid cloud architectures for latency ...

inclusive work environment; we back each other to deliver impact. Make Wayve the experience that defines your career! The roleAs a Staff ML Performance Engineer, you'll play a key role in high-impact projects, optimising ML inference for edge accelerators and GPUs. The focus of this team … execution, memory movement) and deliver measurable improvements. Implement and validate optimisations in compilers, runtimes, and/or kernels (e.g. operator fusion, scheduling, quantisation-aware performance, custom kernels).Build robust benchmarking and regression testing to ensure performance improvements hold across models, devices, and software releases. Optimise for multiple targets ...

inclusive work environment; we back each other to deliver impact. Make Wayve the experience that defines your career! The role As a Staff ML Performance Engineer, you’ll play a key role in high-impact projects, optimising ML inference for edge accelerators and GPUs. The focus of this … execution, memory movement) and deliver measurable improvements. Implement and validate optimisations in compilers, runtimes, and/or kernels (e.g. operator fusion, scheduling, quantisation‐aware performance, custom kernels). Build robust benchmarking and regression testing to ensure performance improvements hold across models, devices, and software releases. Optimise for multiple ...

Performance Engineer (Junior) | AI Infrastructure | Cambridge (Hybrid) | up to £70k Most engineers find out whether a change works after it ships. This role is about knowing before anyone spends a penny on new hardware, building the models that predict itMy client is a Cambridge-based non-profit built … computer architecture fundamentals and how LLMs and deep learning models actually run on hardware, training versus inference, matrix multiplication, KV-caching Real experience building performance models or forecasting tools, Python or spreadsheet-based, from research, a thesis, a placement, or serious personal projects Hands-on work with ...

passionate about building technology that powers everything from smartphones to supercomputers, we’d love to meet you! As a Sr CPU Performance Modelling Engineer, you’ll be at the heart of designing Arm’s power-efficient CPUs for the next generation of workloads. You’ll define and deliver … critical performance and power metrics, apply innovative analysis techniques, and uncover opportunities to push processor and cache performance even further. Beyond engineering, you’ll also play a key role in mentoring junior engineers and collaborating across global teams to refine and optimise our shared practices. Job Overview ...

Overview: Arm's Userspace Performance team is looking for skilled software performance analysis engineers to lead a small group of engineers working on software performance and optimisation. Successful candidates will help improve the performance of software running on Arm systems used across the world. About … similarly passionate about pioneering technologies, then we are eager to hear from you! We investigate and solve hard problems with the goal of improving performance of software running on Arm platforms. We often look into large software stacks with sophisticated interactions. We work closely with our tooling teams ...

QualityAI is seeking a Performance Test Engineer to drive performance assurance for cloud, hybrid, and on-premise environments in London or Leeds. You will design tests, execute load and stress scenarios, and work with dev and architecture teams to ensure scalable and resilient applications. The role emphasizes ...

QualityAI is seeking a Performance Test Engineer to drive performance assurance for cloud, hybrid, and on-premise environments in London or Leeds. You will design tests, execute load and stress scenarios, and work with dev and architecture teams to ensure scalable and resilient applications. The role emphasizes ...

About The Team Arm's Userspace Performance team is looking for skilled software performance analysis engineers to lead a small group of engineers working on software performance analysis and optimisation. Successful candidates will help improve the performance of software running on Arm systems used across … similarly passionate about leading edge technologies, then we want to hear from you! We investigate and solve hard problems with the goal of improving performance of software running on Arm platforms. We often look into large software stacks with sophisticated interactions. We work closely with our tooling teams ...

World Class Defence Organisation in Stevenage is seeking a Systems Design Engineer (System Performance) on an initial 6-month contract. Hybrid/onsite work: 4 days per week onsite; rate £75 per hour, 37 hours per week. You will perform performance prediction using 6-DoF models, MATLAB ...

rely on it. On the device, close to the metal, we write the runtime software that orchestrates work across the chip and runs performance‐critical ML kernels. This is where performance gets real and the wins compound. Your work directly influences trade‐offs for the silicon, system deployment … compiler. You’ll drive the first accelerator compute runs, evaluating performance on silicon, running early benchmarks, and feeding results back into the hardware and software roadmap. What you’ll do Write and optimise performance‐critical ML kernels in C, with assembly where it matters (RISC ...

Advert Job Title: 4G/5G RAN Performance & Optimisation Expert (ESN) Duration: 06 months with possibility of extension Location: London-Hybrid Why This Role Matters Join us and play a critical role in maintaining our position as a leading UK mobile network and driving our vision … Mobile RAN strategy and ensuring a flawless subscriber experience-particularly for the highly critical Emergency Services Network (ESN). What You'll Be Doing Performance Leadership: Drive 4G/5G ESN performance management, define SLAs/KPIs, and build action plans for continuous performance uplift. RAN Optimisation ...

Wayve is seeking a Software Engineer for the Runtime Platform in London. You will work on software that powers autonomous driving experiments across our vehicle fleet, delivering a stable, scalable stack and performance-focused improvements. The role sits within the Robot Software and Runtime Platform teams, collaborating with ...

Limited's Machine Learning group in Cambridge is hiring a software engineer with a strong analytical approach to join the team and help ensure the best performance of ML/AI workloads on Arm IP. This role involves analyzing next-generation Arm IP performance, generating technical summaries ...

devices, home automation, smart cities, self-driving cars, and much more. About the role We are a small and diverse team of hardworking system & performance analysts. We work with teams across Arm to understand and guide both internally to Arm Engineering and externally out to Arm partners. … your contributions, lead, challenge the status quo and ultimately change the world of machine learning and artificial intelligence. We are looking for a software engineer with a strong analytical approach to join the team and help ensure the best performance with most recent Arm ML software, systems ...

Wayve seeks a Software Engineer, AI Performance Tooling, to design and build self-service tools that measure, monitor and predict AI performance across models, hardware targets and training runs. You will collaborate with model, compiler, runtime, platform and hardware teams to translate profiling data into actionable recommendations ...

Porterbrook’s digital services team seeks an experienced Performance & Reliability Engineer to join on a 2.5 year FTC. You will analyse Remote Condition Monitoring outputs and translate data into engineering actions across Porterbrook’s digitally enabled assets, coordinating with our engineering teams and customers to implement maintenance interventions. ...