20 of 20 Performance Engineer Jobs in London

Lead Performance Test Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
# Lead Performance Test Engineer Apply now## **About the job you're considering**We are seeking a Lead Performance Engineer to lead a team of performance engineers delivering assurance across complex client programmes. You will set the performance strategy, define and agree non-functional … quality gates, and ensure systems are scalable, resilient and ready for production.Working with engineering, architecture, DevOps, SRE, cloud and business teams, you will embed performance engineering throughout the delivery lifecycle**Hybrid working**: The places that you work from day to day will vary according to your role, your needs ...

Performance Test Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
Performance Test Engineer 450/day Inside IR35 Primarily Remote Occasional Travel to London Until 31st March 2027 ASAP Start We're looking for an experienced Performance Test Engineer to join a large-scale enterprise transformation programme, helping to ensure the performance, scalability and operational … readiness of critical cloud-based services. You'll work closely with engineering, DevOps and QA teams to design and execute performance testing strategies, analyse system behaviour under load, and provide recommendations to improve application resilience and user experience. Key Responsibilities Design, develop and execute performance, load, stress ...

Performance Test Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£450/day
Performance Test Engineer £450/day | Inside IR35 | Primarily Remote | Occasional Travel to London | Until 31st March 2027 | ASAP Start We're looking for an experienced Performance Test Engineer to join a large-scale enterprise transformation programme, helping to ensure the performance, scalability and operational … readiness of critical cloud-based services. You'll work closely with engineering, DevOps and QA teams to design and execute performance testing strategies, analyse system behaviour under load, and provide recommendations to improve application resilience and user experience. Key Responsibilities Design, develop and execute performance, load, stress ...

Staff ML Performance Engineer (Compiler)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 … high-impact projects at Wayve. Key responsibilities: Identify, implement and validate optimisations in ML compilers, runtimes, and kernels (e.g. operator fusion, scheduling, quantisation‐aware performance, custom kernels) Profile and pinpoint bottlenecks across the full inference stack (model graph, compiler/runtime, kernel execution, memory movement) and deliver measurable improvements. ...

NLP Performance Engineer: Scale LLM Inference for Research

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Research is seeking an exceptional NLP Performance Engineer to own large-scale LLM inference performance within our NLP Engineering team at the London HQ. You will profile, optimise and implement techniques to maximise inference throughput and cost-efficiency, collaborating with researchers and infrastructure engineers to shape scalable ...

NLP Performance Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
apply large language models (LLMs) and other Natural Language Processing (NLP) techniques across the firm. We are looking for an exceptional NLP Performance Engineer to join our NLP Engineering team and take ownership of large-scale LLM inference performance. This is a specialist Quantitative Developer role. Like … Quantitative Developers, you will work alongside researchers to bring their ideas to life, with a particular focus on maximising the performance of LLMs. This is a hands‐on, high‐impact role. You will design and implement techniques that improve the performance, cost‐efficiency and capabilities of inference workloads ...

Senior Edge ML Performance Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Wayve in London is seeking a Staff ML Performance Engineer to optimize inference for edge accelerators and GPUs, enabling transformer models to run efficiently on low-power devices for Wayve's driving product. You will steer technical direction for production systems, work across ML systems, compilers, runtimes ...

Neural Network Performance Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
real industrial pilots - and we’re growing the team to take it even further. About the Role We're hiring a Neural Network Performance Engineer to join our VLA team based in London. In this role, you will work on all aspects of running capable neural‐network based … Your work will be critical to delivering smooth robot motions while reacting to environment changes as quickly as possible. What You'll Do Analyze performance bottlenecks of a particular model architecture and come up with potential improvements. Make the model run on a new hardware (e.g. NVIDIA Thor) efficiently. ...

Staff ML Performance Engineer — Edge Inference Optimizer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Icehouseventures is looking for a Staff ML Performance Engineer to optimize ML inference for edge accelerators and GPUs. You will focus on running large transformer-based models efficiently on low-cost, low-power devices, directing technical projects and ensuring reliable operation in vehicular compute environments. This full-time ...

Quality Performance Test Engineer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£310/day £310 p/d Inside IR35
Hays are now looking for a Quality Engineer/Performance Tester for one of our local clients: £310 p/d Inside IR35 3 days p/w in the office, 2 WFH Location is one of either London, Manchester or Leicester We're looking for strong experience … performance and non-functional testing to support the delivery of large-scale digital services. The role will focus on ensuring applications are scalable, reliable and performant through a combination of performance testing, API testing and quality engineering practices. What you'll be doing Design, develop and execute performance ...

London Onsite: Performance Engineer – Strategic Ads

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Google is hiring a Software Engineer III for Performance in London. This onsite role focuses on managing a portfolio of clients, deeply understanding their business challenges and marketing objectives, and delivering high-impact advertising solutions. You will collaborate with Google teams to optimize campaigns and drive customer success ...

Embedded Performance Engineer: System Tracing & Profiling

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Google is seeking a Software Engineer III for Embedded Performance, System Tracing, and Profiling in London. The role is onsite at 1 St Giles High St, London, and is a full-time position. You will work on critical projects that enhance how users connect, explore, and interact with … information at scale, contributing across the full stack. Join a team focused on performance, tracing, and profiling to optimize systems and experiences for billions of users and partners worldwide. #J-18808-Ljbffr ...

Machine Learning Performance Engineer London, England, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
hierarchical and one where everyone is valued. We strive for excellence in everything we do. The Role XTX is seeking an experienced engineer to support our ML Performance and AI Acceleration function. You will be working in a small and highly technical team at extremely high … levels of abstraction to dramatically increase the performance of XTX's training and inference platforms. The remit is wide, and you should expect to be challenged. We are not just writing CUDA code. Amongst other things, you will be working on a sophisticated optimising compiler for a variety ...

Core Network/Network Performance and Optimisation Engineer

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 60,000 Annual
title: Core Network/Network Performance and Optimisation Engineer Client: Telco Salary: £50,000-£60,000 + Bonus Experience Level: 5-10 years Location: London Skills: Network Testing, QA, Network Validation, IMS, Packet Switching, CS, Telco Network Protocols The role My client are seeking a Network Core Network …/Network Performance and Optimisation Engineer to join their team. Offices are Central London based, with expectations being 3 days a week in the office and 2 from home. You will need to have a valid driving license. There will be limited travel required with the position, likely ...

Senior KDB+ Performance Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leading digital transformation consulting firm in the United Kingdom seeks an experienced Senior KDB+ Developer to design and optimize high-performance data platforms. The role necessitates over 8 years of kdb+ expertise, knowledge in q language, and proficiency in performance tuning. Candidates should be comfortable mentoring others ...

Senior KDB+ Performance Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
United States Digital Space LLC in London seeks an experienced Senior KDB+ Developer to design, build, and optimize high-performance data platforms based on kdb+. You will work closely with Risk teams to deliver scalable, reliable solutions and mentor junior developers. You will own kdb+ tick architectures, tune queries ...

Elite Performance Software Engineer (C++/Python) – Hybrid London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Role: Software Engineer (C++/Python) Client: Performance Software Scale Up Compensation: up to £400,000 P/A + Bonus (DOE) Location: London - United Kingdom Overview My client are seeking a talented engineer to join their existing team of elite software engineers and help to build … their next generation performance software platform. The existing team consists of some of the brightest minds hailing from a range of backgrounds (Big tech, Start-ups, Quant Funds etc), all striving to build the next generation of performance technology. This is an extremely tech focussed organisation ...

DevOps/High Performance Trading System Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
start-ups across industries, and partner with leading global research organizations and universities to solve problems. Jump is looking to add a dynamic software engineer to one of our growing quantitative trading teams. The individual in this role will work hand in hand with traders and technologists to take … Python and Linux. Some experience with C++/SQL preferable. Strong debugging skills in both code development and systems infrastructure. Good instincts for performance vs simplicity trade-offs. Ability to make the right engineering decisions to achieve maintainability, extensibility and debuggability. Self-directed, excited to take ownership of projects ...

High-Performance Trading Systems Engineer (C++/Python)

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
London is seeking a Software Engineer to join the Cumberland Systematic team, focusing on high-performance trading systems written in C++ and Python. You will help design, build, test and maintain the full stack needed for a global trading operation. You will work with quantitative researchers and traders ...

High-Performance Trading Strategy Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
seeking a Software Engineer to join its London/A msterdam team. You will work closely with traders and researchers to deliver high-performance trading software. You will own the full development lifecycle from gathering requirements to production deployment. The role emphasizes fast iterations, reliability and optimization ...