76 to 100 of 129 Performance Engineering Jobs in London

Software Engineer (London)

Location
Greater London, England, United Kingdom
candidate should have a good grasp of run-time behavior, serialization delays, and asymptotic behavior in this environment. Compensation consists of base salary, discretionary performance bonus, and possible participation in longer-term incentive schemes. Skill Requirements C++11 and higher experience Excellent design and debugging skills Experience developing for production … Python layer on top Technical expertise throughout (everyone programs) Cloud-scalable research infrastructure Desirable Skills Experience with Python Experience with x86 hardware Experience with performance engineering Understanding of Intel Xeon pipelining and cache behavior Experience with the TCP networking stack Experience optimizing Linux kernels/using kernel-bypass ...

Senior Java Engineer – Real-Time Banking Platform

Location
Greater London, England, United Kingdom
GlobalLogic, a Hitachi Group Company, is seeking a Software Engineer to join our high-performance engineering team building a real-time banking platform. You’ll bring strong experience with Continuous Deployment in production and cloud-native services using Java/Spring Boot. You’ll design, build and operate … robust distributed systems with emphasis on reliability, observability and operational excellence, and mentor peers while collaborating across autonomous teams to align engineering with #J-18808-Ljbffr ...

Lead Mobile Engineer (Remote) 120k - 180k Base + Significant Equity

Location
Greater London, England, United Kingdom
investors and is already trusted by customers ranging from high-growth startups to publicly listed enterprises. Why This Opportunity? This isn't another mobile engineering role where you're maintaining someone else's codebase. You will be the company's first dedicated mobile hire, responsible for building and owning … opportunity to shape architecture, influence product direction, and define how mobile fits into the future of the platform. You'll join a high-performance engineering culture built around speed, ownership, and execution. What You’ll Be Doing Build and ship production-grade iOS and Android applications using React ...

Member of Technical Staff - Frontend

Location
Greater London, England, United Kingdom
actually feels to use, and who would rather set the standard than work to someone else's. You will report to the Head of Engineering, based in London. Model ML runs a genuinely full-stack engineering culture and every engineer ships UI. As agentic tooling absorbs more … making sure quality scales at the pace the company is moving. Responsibilities Own the front-end architecture and pattern library that the whole engineering team codes against. Define the guidelines, constraints and review gates that agentic tooling works within, so generated code stays consistent with the system. Own front ...

Senior Machine Learning Engineer, AI Performance London, United Kingdom

Location
Greater London, England, United Kingdom
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 … deployment. Train and iterate on PyTorch models with a strong experimental approach (hypothesis-driven iteration, ablations, clear evaluation criteria). Debug and improve model performance using strong analytical skills—identifying regressions, root-causing issues, and proposing fixes. Apply optimisation techniques (e.g., quantisation and distillation where beneficial), understanding trade-offs ...

Staff Software Engineer, Observability & Profiling

Location
Greater London, England, United Kingdom
profiling, or network visibility Experience running continuous profiling at fleet scale, including managing overhead budgets and symbolization Kernel- and syscall-level debugging experience and performance engineering craft Experience profiling or instrumenting accelerator workloads Experience operating metrics systems at very high cardinality, or large-scale telemetry storage backends Experience ...

Software Engineer - Systems

Location
Greater London, England, United Kingdom
class VCs and equipped with the runway to tackle bold ideas. We’re looking for exceptional engineers with deep experience in low-level, high-performance software and cloud-scale storage systems. What we're looking for: 5+ years of experience writing high-quality production code Strong foundation in operating … systems and systems programming Proven track record in performance engineering Familiarity with tools like Apache Arrow, Parquet, DataFusion, Clickhouse, or DuckDB is a plus Understanding of cutting-edge ML infrastructure stack (e.g. PyTorch, CUDA) is also a plus Experience with Rust is a bonus Willingness to work ...

Director of Platform Eng — AI-Driven, Scalable Infra

Location
Greater London, England, United Kingdom
Neko Health is seeking a Director of Software Engineering to lead the design and scaling of its core infrastructure. This mission-critical role involves ensuring system reliability and enabling faster product deployment cycles. The ideal candidate will have proven experience in building large-scale infrastructure systems, a strong engineering background, and familiarity with AI tooling platforms. The position offers an opportunity to build and grow a high-performance engineering team. #J-18808-Ljbffr ...

Head of Compliance and Legal affairs

Location
Greater London, England, United Kingdom
external advisers Clear, collaborative and able to turn complex legal and regulatory issues into practical solutions Why Join Portofino Technologies At Portofino, C++ performance engineering sits at the heart of a live trading system, with direct impact on performance across multiple venues. Direct impact : your work runs ...

Edge Rulesets Engineer | Rust/Go | Hybrid London

Location
Greater London, England, United Kingdom
ecosystem, focusing on the rules engine and control plane, while improving safety and reliability of the web server. You'll collaborate across product and engineering teams, work primarily with Rust and Go, and tackle large-scale distributed systems with performance engineering and strong CS #J-18808-Ljbffr ...

Lead Cyber Security Engineer: Strategy & Automation

Location
Greater London, England, United Kingdom
Engineer to head the design, implementation and optimization of enterprise-wide cyber security platforms within a highly regulated environment. You will lead a high-performance engineering function delivering scalable, automated services to bolster resilience. Responsibilities include driving vulnerability management, application security, AI security, threat modelling, and security analytics ...

C++ Low-Latency Tech Lead — London, 3 Days in Office

Location
Greater London, England, United Kingdom
Oliver Bernard in London seeks a senior C++ Low-Latency Technology Lead to join a high-performance technology team in a leading financial services firm. This hands-on leadership role focuses on ultra-low-latency systems, performance engineering and architecture optimisation. You'll own a latency-sensitive ...

Linux Desktop Support Engineer

Location
Greater London, England, United Kingdom
hiring on behalf of our client, a dynamic financial technology organization who is seeking a Linux Desktop Support Engineer to join its Site Reliability Engineering (SRE) team in London. This position focuses on managing internal devices, supporting workplace technology, and maintaining office infrastructure, with a strong emphasis on Ubuntu … automation to streamline support processes. This is an excellent opportunity for a hands-on, technical individual looking to own workplace technology within a high-performance engineering environment. Key Responsibilities Own the provisioning, configuration, and maintenance of Linux, macOS, and Windows devices. Manage employee onboarding technical setups and serve ...

Hybrid Oracle DB Engineer: Automation & Exadata

Location
City Of London, England, United Kingdom
Involved Solutions is seeking an experienced Oracle Database Engineer to join their platform engineering team in London. This hands-on role covers Oracle administration, automation, and performance engineering across large-scale Exadata and cloud environments, including Autonomous Exadata Cloud@Customer. You will build automation tooling with Ansible … tune RAC and Clusterware, manage multi-tenant architectures, and provide L3 support while advising applications on database performance and #J-18808-Ljbffr ...

Client Development Lead

Location
Greater London, England, United Kingdom
with – a wide range of emerging technology domains, including: Artificial intelligence and human–machine teaming Robotics and autonomous systems Advanced sensing, haptics and human performance engineering Secure communications and resilient architectures Next‐generation materials and energy systems You don’t need to be an expert. You do need … technology‐driven organisations Comfort operating without scripts, rigid playbooks or heavy supervision A background in, or strong affinity for, science, engineering or technology The judgement to balance patience with momentum If you describe yourself primarily as a “closer” or are motivated by aggressive targets, this role is unlikely ...

Senior FPGA Architect: Multi-FPGA & Radar DSP Lead

Location
Greater London, England, United Kingdom
FPGA Design Engineer to lead complex FPGA developments from system requirements to fully verified hardware. This senior, hands-on role sits within a high-performance engineering team and demands strong technical leadership. The successful candidate will drive architecture, define robust requirements, and guide verification planning while mentoring junior ...

Senior Platform Engineer: Low-Latency Linux & Automation

Location
Greater London, England, United Kingdom
models, and push latency reductions through hardware, kernel, and network layers. You will mentor partner teams, align technical strategy with business goals, and drive performance engineering while leveraging Agentic AI tooling to #J-18808-Ljbffr ...

Low-Latency Quantitative Trading Engineer

Location
Greater London, England, United Kingdom
J.P. Morgan is at the forefront of systematic trading, blending quantitative research with high-performance engineering in the AI Market Lab. The Quantitative Trading & Research group focuses on AI-driven strategies across multiple asset classes, from research to production systems. The role sits at the boundary of quantitative … research, low-latency engineering, and ML infrastructure—building reliable platforms that turn data and experiments into monitored, robust production strategies. #J-18808-Ljbffr ...

Cloud Solutions Engineer - Banking & Finance

Location
Greater London, England, United Kingdom
research, and risk management with a collaborative culture focused on continuous learning, innovation, and solving complex problems. The company is looking for a Cloud Performance Engineer to build and optimise high-performance cloud infrastructure supporting latency-sensitive workloads. The role involves working across cloud, networking, Linux, and automation … collaborating with engineers across the business to improve performance and reliability. Responsibilities: Design and optimise AWS and hybrid cloud environments Work across cloud networking, routing and switching Build and maintain performance and latency monitoring Automate cloud infrastructure and network configurations Develop tooling to collect and analyse performance ...

Staff Software Engineer, Runtime Systems

Location
Greater London, England, United Kingdom
teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV … March 2025. Learn more atwww.coreweave.com. We're proud to be a Living Wage accredited Employer. What You’ll Do: The Physical AI Engineering Team at CoreWeave is building the software and infrastructure that enables demanding AI, simulation, robotics, and engineering workloads to run reliably at scale. As these ...

Cloud Performance Engineer

Location
Greater London, England, United Kingdom
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-sensitive ...

Principal FPGA Design Engineer

Hiring Organisation
Expert Employment
Location
Enfield, Enfield Town, Greater London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum Full package
lead complex FPGA developments from system requirements through to fully verified hardware. This is a senior, hands-on technical leadership role within a high-performance engineering team. Key Responsibilities Lead FPGA architecture and end-to-end VHDL design Define system-level requirements and implement robust solutions Develop test ...

Senior Embedded Performance Engineer

Location
Greater London, England, United Kingdom
building what we believe will be the world’s fastest AI inference chip from the ground up. We’re balanced across hardware and software engineering, and HW/SW co-design is real here. We move fast, and we help each other move fast. We care about each other … 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 ...

Site Performance Engineer

Location
Greater London, England, United Kingdom
Site Performance Engineer also acts as the local Subject Matter Expert for the CMMS and other systems used to manage maintenance. Reporting to the Senior Planner, the Site Performance Engineer’s duties include supporting the Global Operations team, rolling out new initiatives, supplying reports and KPIs … wider business, and providing cover and support for colleagues during periods of absence. Responsibilities Engineering Operations & Maintenance Lead and work closely with the Senior Planner, Team Leaders, and technicians to manage work priorities, develop work orders and define required parts, materials, trades, and skills for maintenance activities. ...

GenAI Full-Stack Engineer

Location
Greater London, England, United Kingdom
closely with technology and business partners to align our application strategy with organisational priorities and deliver key business projects with significant operational visibility. Champion engineering excellence: You will promote and apply DevSecOps principles, best practices in engineering, and a culture of continuous improvement. Drive platform adoption: You will … support the adoption of our developer platforms, automation capabilities, and enterprise engineering standards. Mentor and lead: You will have the opportunity to act as a coach and advisor to other team members, exercising your judgment and autonomy to drive projects forward. Skills & Qualifications Extensive software development experience ...