performance engineer jobs in London

UK | Full-Time The Mission: Source.dev Our founders spent over a decade at Google shaping the Android operating systems - building and shipping the software that now runs on billions of devices. They didn't just use Android; they led teams responsible for the Android Virtualization Framework, Security, and the Android Runtime (ART). Through that journey,...

About CuspAI CuspAI is the frontier AI company on a mission to solve the breakthrough materials needed to power human progress. While nature took billions of years to perfect molecules, we are harnessing AI to unlock trillion-dollar materials breakthroughs in months, not millennia. Our founding team is the most cited in the world, comprised of world-class...

Company DescriptionRyanair, over our 40 year history has grown to become Europe's largest airline group connecting more guests across more routes than any other European carrier. We are a fast-paced, ambitious and innovative company, offering exciting career opportunities across aviation, technology, operations and support functions. Now is a fantastic time...

Our client, a leading entity in the motorsports industry, is currently seeking a Chief Performance Engineer to join their dynamic team. This permanent role offers an exciting opportunity to lead and enhance performance testing, analytics, and simulation within a high-performance environment.Key Responsibilities:Leading performance testing activities to...

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. Headquartered in Chicago with offices...

The 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 to the wider business, and providing cover and...

We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution — because the best ideas take time to evolve. Together we’re building a world-class platform to...

GA4 Performance Analyst Rate: Up to £400 per day (Outside IR35)Duration: 12 months +Start Date: ASAPLocation: Hybrid - Manchester or LondonOn-site: 1 day every 2 weeks at your local hub We’re partnering with a leading digital consultancy to scale a high-profile delivery team supporting a major Central Government department. We’re looking for an...

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 to be a global top-ten network. In this role, you will directly impact our...

The 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 to the wider business, and providing cover and...

Aircraft Engine Performance EngineerGas Turbine Engines | Diagnostics | Performance Analysis Basingstoke | Aviation Engineering Are you an experiencedaircraft gas turbine engineerwho enjoys diagnostics and fault-finding, but fancies using that knowledge in a different way? This is a specialist engineering role where you'll analyseaircraft engine performance...

Security Clearance: Active SC (Security Clearance) is essential and ideally NPPV3 (eligibility also accepted) Who we are: We're an award-winning Tech Consultancy, focused on Quality Engineering, on a mission to become the UK's #1. What we do: "Champion and Engineer Quality and Software". Over the past 6 years, we've shaped and transformed our offering so...

Anemoi Marine Technologies is seeking a Performance Engineer to shape wind-powered propulsion strategies. You will apply CFD and data analytics to assess rotor sail performance, predict fuel savings, and investigate design improvements.The role combines CFD, Python workflows and rigorous data interpretation to support engineering decisions and customer...

Salary: up to £200k + bonusLocation: London Summary Not your standard algo trading firm, this leading market-maker takes pride in its flat hierarchy, teamwork, and rewarding people on merit and excellence. Specialists within electronic market-making in FX, equity, fixed income and commodity markets, they have one of the best names in the industry and...

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...

Senior 5G RAN Performance Engineer 📍 London or Bristol (Hybrid) | 📅 12 Months | Inside IR35 Our client, a leading telecommunications organisation is looking for an experienced Senior 5G RAN Performance Engineer to support a major mobile network programme. This role will focus on the performance and optimisation of 5G networks, with particular...

Performance Test Engineer Permanent | Hybrid | Performance Testing | Scripting skills London or Leeds | Hybrid working model | 50% onsite required Currently SC cleared or SC eligible At Peregrine, we’re always seeking Specialist Talent that have the ideal mix of skills, experience, and attitude, to place with our vast array of clients. From Business...

Before the detail, here's the challenge you'd help us solve. We build the embodied intelligence that moves real vehicles safely, and the ecosystem a billion machines will run on in the future. Very few people in AI can say this. Every role here, whatever the team, plugs into that. Here’s what this particular role covers. About our Engineering Teams The...

London or Bristol, 3 days in the office, 2 days WFHAt Fractile, we’re 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, the software we ship, and...

Performance Engineer About Anemoi Marine Technologies At Anemoi, we’re on a journey to shake up the maritime industry with cutting‑edge Rotor Sail technology. From our headquarters in the UK and production base in China, we’re developing and delivering advanced, automated wind‑assisted propulsion systems that help shipowners and operators reduce fuel...