26 to 48 of 48 Senior Performance Engineer Jobs in England

Senior Web Runtime Engineer: High‐Performance WebAssembly

Location
Brighton, England, United Kingdom
Unity is seeking a Senior Software Engineer to join the Web Platform team. You will own meaningful areas of the Web runtime, optimize Web build targets, and work with teams across Unity to deliver fast, reliable browser-based experiences. The role emphasizes solving deep, multi-language challenges … mentoring engineers to raise code quality. You will collaborate with cross-functional teams to push the frontier of browser capabilities, contributing to performance, loading, and ecosystem #J-18808-Ljbffr ...

Senior Embedded Runtime Engineer - Performance Profiling

Location
Greater London, England, United Kingdom
Wayve in London is seeking a Software Engineer to join the Robot Software and Runtime Platform teams, delivering a reliable, high-performance embedded Linux stack to support on-road experimentation and autonomous driving development. You will diagnose latency, instrument code, integrate profiling tools, and collaborate with model developers ...

Senior C++/C# Performance Engineer for RealTime Market Data

Location
Greater London, England, United Kingdom
United States Digital Space LLC in London is seeking a midlevel to senior IC to join our core engineering team. You will own and evolve our high-performance C# client library while collaborating with the core engineering group on low-latency C++ services. The role focuses on writing ...

Senior Software Engineer, AI Harness Quality & Performance

Location
Greater London, England, United Kingdom
Goodnotes is seeking a Senior Software Engineer to join our AI-native Paddington product line in London. You will work directly with the founder and a small team, owning the full software cycle from design to operation. You will ship changes with a squad and craft the harness … that guides and validates agent code. You will write checks that guide the agent, monitor performance, and push for improvements across iOS, Android, Mac, Windows, web, and backend. #J-18808-Ljbffr ...

Senior C++ Engineer — High-Performance Trading Platform

Location
Greater London, England, United Kingdom
Test Triangle Ltd is seeking a Senior C++ Engineer to contribute to our global derivatives trading platform. You will collaborate with quants and traders to enhance our proprietary trading technology. The ideal candidate has over 5 years in C++ development within finance, and possesses strong problem-solving skills. ...

Senior Rust Engineer - High-Performance Trading Systems

Location
Greater London, England, United Kingdom
Provn Talent Solutions Ltd is recruiting a Senior Rust Software Engineer for a leading global financial-markets firm. You will join the Core Trading Engineering team to design and build high-performance Rust applications and distributed services in Linux environments. You will collaborate with quantitative teams … deliver business-critical software, drive performance improvements and follow engineering best practices in a technically challenging environment. #J-18808-Ljbffr ...

Senior Database Performance & Optimization Engineer

Location
Cambridge, England, United Kingdom
Limited is seeking a Database Platform Engineer to optimise Arm's database platform for peak performance across backend data structures and frontend access for end-users. The role involves maintaining diverse databases across technologies and environments in a multi-supplier setup. You will work with Infrastructure Engineering … Applications teams to deliver high-performance database platforms for Arm's engineers, and may support other performance optimisation activities as needed. #J-18808-Ljbffr ...

Senior UI Graphics Engineer — High-Performance C++

Location
Manchester, England, United Kingdom
Roku, Inc. in Manchester is seeking a Senior Software Engineer to own core UI systems, optimize graphics primitives, memory usage, and hardware acceleration across devices. You will design and implement performance-critical code for our UI engine and collaborate with firmware for hardware-specific optimizations. This role ...

Senior Machine Learning Engineer, AI Performance

Hiring Organisation
wayve
Location
London, UK
Employment Type
Full-time
inclusive work environment; we back each other to deliver impact. Make Wayve the experience that defines your career! The roleWe're looking for a Senior Machine Learning Engineer to join a high-ownership team responsible for delivering production-ready model releases as our OEM engagements and release cadence … iterating quickly. You'll work on taking models from "works in training" to "meets product constraints," partnering closely with teams downstream (e.g., inference/performance specialists) to ensure models are ready for deployment on-vehicle. As model capability grows, you'll help keep the system within tight runtime constraints ...

Senior Machine Learning Engineer, AI Performance London, United Kingdom

Location
Greater London, England, United Kingdom
work environment; we back each other to deliver impact. Make Wayve the experience that defines your career! The role We’re looking for a Senior Machine Learning Engineer to join a high-ownership team responsible for delivering production-ready model releases as our OEM engagements and release cadence … iterating quickly. You’ll work on taking models from “works in training” to “meets product constraints,” partnering closely with teams downstream (e.g., inference/performance specialists) to ensure models are ready for deployment on-vehicle. As model capability grows, you’ll help keep the system within tight runtime constraints ...

Senior Principal Engineer, AWS & Java | Cloud & Performance

Location
Nottingham, England, United Kingdom
London Stock Exchange Group is seeking a Principal Engineer to be the most senior hands-on technical expert for the Risk Screening platform. You will partner with architecture, service, product, and engineering teams to ensure designs are implemented to the highest technical and operational standards. A core focus ...

Senior Rust Engineer — High-Performance Systems, London

Location
Greater London, England, United Kingdom
Group is seeking a Rust Engineer to join their London team in-office. You will design high-performance Rust systems, tackle complex real-world problems, and own projects from architecture through implementation in a fast-moving start-up culture. The role emphasizes deep Rust expertise, performance, memory ...

Senior Java Engineer - High-Performance Trading Systems

Location
England, United Kingdom
Orla Rose Associates is seeking an experienced Java Developer to join a talented engineering team building high-performance trading technology used across global financial markets. You’ll design, develop and maintain scalable, distributed systems with a focus on performance and reliability, covering order management, exchange connectivity, smart order ...

Senior Graphics Engineer: Real-Time Rendering & Performance

Location
Stratford-upon-Avon, England, United Kingdom
Unity Software Limited in the UK is seeking a graphics engineer to diagnose and fix performance issues for developers using Unity. You’ll work on the graphics pipeline and runtime stack, collaborate with platform engineers, and gain deep platform-specific knowledge. The role requires strong C++ skills, multithreaded ...

Senior CUDA Engineer - High-Performance GPU Inference

Location
Greater London, England, United Kingdom
Fuse Energy is seeking a CUDA Engineer to design and optimize low-level GPU kernels powering our transformer inference workloads. You will write custom CUDA kernels, tune memory bandwidth, and push the throughput of our GPU fleet at the SM, warp, and memory hierarchy level. Collaborate with ...

Senior Systems Engineer - High-Performance Storage (NYC/London)

Location
Greater London, England, United Kingdom
technology-driven data infrastructure company in Greater London seeks exceptional engineers with a deep experience in high-performance software and cloud-scale storage systems. Ideal candidates should have over 5 years of experience and a strong background in operating systems. Familiarity with tools like Apache Arrow and an understanding ...

Senior ML Engineer — High-Performance Python & HPC

Location
Greater London, England, United Kingdom
technology company in the United Kingdom is seeking a Machine Learning Engineer to join their modeling engineering team. The role involves converting trading models into production systems, designing necessary tooling, and supporting strategy research and development. The ideal candidate will have a strong foundation in Python and C++, alongside … experience in high-performance computing. Hybrid working is supported, and various perks such as a bonus scheme and healthcare are offered. #J-18808-Ljbffr ...

Senior CUDA Engineer for High-Performance Inference

Location
Greater London, England, United Kingdom
Fuse Energy is seeking an experienced CUDA Engineer to design and optimise low‐level GPU code for high‐throughput inference workloads. You will work on custom CUDA kernels, memory hierarchies, and mixed‐precision arithmetic to maximise throughput and minimise latency across GPU fleets. The role focuses on profiling, kernel … fusion, and performance‐driven optimisations with strong ownership of engineering quality and tests. London‐based office, competitive equity package. #J-18808-Ljbffr ...

Senior PHP Engineer - E-commerce & Performance Lead

Location
Greater London, England, United Kingdom
Free-Work is seeking a Senior PHP Developer in Greater London to join the in-house team. You will work just below the Tech Director, tackle bottlenecks, and help shape the roadmap for a high-end, scalable e-commerce platform. Responsibilities include development, spec writing, project planning support, code ...

Senior RTL Design Engineer — High-Performance AI Hardware

Location
Greater London, England, United Kingdom
leading technology firm in Greater London is seeking an experienced RTL Design Engineer to drive the design and implementation of high-performance digital systems. You will develop and optimize RTL designs, collaborate with various teams, and ensure standards compliance throughout the project lifecycle. Ideal candidates will possess strong ...

Senior CPU Physical Design Engineer – High-Performance Cores

Location
Cambridgeshire and Peterborough, England, United Kingdom
Resources is seeking a Phsyical Design Engineer to drive end-to-end CPU block implementation on cutting-edge nodes. You will collaborate with RTL, architecture and methodology teams to optimize performance, power and area while meeting aggressive project schedules. The role requires hands-on experience with floorplanning ...

Senior FPGA Design Engineer—Secure, High-Performance HW

Location
Farnborough, England, United Kingdom
Viasat UK is seeking an experienced FPGA Design Engineer to own the FPGA solution from requirements through development and into production. You will work within a multi-disciplined team to deliver secure digital design solutions with complex interfaces and protocols. The role requires strong VHDL FPGA development and verification … skills, plus the ability to optimize for performance and power. UK SC clearance or the ability to obtain it is essential for this position. #J-18808-Ljbffr ...

Senior CPU Compiler Engineer: LLVM & AI/HPC Performance

Location
Cambridge, England, United Kingdom
NVIDIA Corporation in Cambridge (UK) is seeking a CPU Compiler Engineer to help design, develop, and improve the upstream LLVM toolchain for the Grace CPUs. You will work with a distributed team to push compiler features and optimisations that power AI and HPC workloads across data centers ...