13 of 13 Performance Engineering Jobs in the South East

Team Lead - FinTech - London Our client is one of the world’s leading FinTech companies and are building out their DevOps and Site Reliability Engineering (SRE) team in the UK. They’re looking to hire an experienced SRE to lead the team, grow it and drive engineering forwards. … The role will still be very “hands on” with a focus on the improvement, automation and engineering of their trading platforms – a cutting edge, low latency and very high availability infrastructure. You’ll take real ownership of release pipelines, performance engineering and work how you want a … senior leader in the team you’ll be able to define and drive technology strategies. Requirements: - Strong technical experience of Site Reliability/DevOps engineering - Experience of leading a technical team - Good experience of Java and/or Python development and scripting - Experience of tools such as Kubernetes, Terraform More ❯

Lead SRE - FinTech - £125K Our client is one of the world’s leading FinTech companies and are building out their Site Reliability Engineering (SRE) team in the UK. They’re looking to hire an experienced SRE to lead the team, grow it and drive engineering forwards. The role … will still be very “hands on” with a focus on the improvement, automation and engineering of their trading platforms – a cutting edge, low latency and very high availability infrastructure. You’ll take real ownership of release pipelines, performance engineering and work how you want a huge variety … drive technology strategies - You’ll have the chance to make the team your own! Requirements: Very strong technical experience of Site Reliability/DevOps Engineering Good experience of Java and/or Python development and scripting Very good experience of containers, monitoring, automation, Cloud and Linux Good knowledge of More ❯

SRE Lead - FinTech - £120K+ Our client is one of the world’s leading FinTechs and are building out their Site Reliability Engineering (SRE) team in the UK. They’re looking to hire an experienced SRE to lead the team, grow it and drive platform engineering forwards. The role … will still be very “hands on” with a focus on the improvement, automation and engineering of their trading platforms – a cutting edge, low latency and very high availability infrastructure. You’ll take real ownership of release pipelines, performance engineering and work how you want a huge variety … drive technology strategies - You’ll have the chance to make the team your own! Requirements: Very strong technical experience of Site Reliability/DevOps Engineering Good experience of Java and/or Python development and scripting Very good experience of containers, monitoring, automation, Cloud and Linux Good knowledge of More ❯

At McLaren, our mission is to set the standard for high performance in sport. And everyone, in every part of the team, has a role to play. So if you want to test your ideas with the world watching And measure your progress in milliseconds And play your part … in racing history You belong here. High performance starts with you. Purpose of the Role Creation, correlation and exploitation of our PU models to maximise performance into the 2026 season and new regulations, in partnership with our power unit partner, as well as internal teams across Performance, Control Systems, Vehicle Design and Race Engineering. To exploit car performance through optimisation of setup and developing new concepts. To support events as part of the Mission Control team monitoring vehicle performance in real time. Principal Accountabilities Identifying opportunities to improve car performance through: High fidelity More ❯

Between these products, there’s a huge amount of exciting and important work to do, and we need more folks to join our talented engineering team. We’ve already seen incredible growth from our MagicNotes product - that is helping case workers save over 8 hours a week of admin. … these critical features Who we’re looking for Wants to move into management or has management experience and is keen to build a high-performance engineering culture We are happy to consider people without explicit management experience Breadth of experience across infrastructure, backend and frontend technology stacks We … test with one of Beams senior engineers 1 hour product and cultural interview with one of Beams product managers and a member of the engineering/design team More ❯

a Senior Satellite Communications Systems Engineer to drive the design and delivery of high-resilience satellite networks and services. Role Overview: Join a high-performance engineering team shaping the future of secure global connectivity. You’ll work directly with commercial, defence, and space-sector clients to architect, design … solutions Contribute to proposals, R&D, and technical strategy across the communications domain Key Requirements: 5–10 years' experience in SATCOM or space systems engineering Deep understanding of end-to-end satellite communications architectures Expertise in RF systems, ground station infrastructure, payload design, and networking protocols (IP, TCP/… UDP, VPNs) Strong systems engineering background (requirements, design, V&V, documentation) Familiarity with secure communications (COMSEC/INFOSEC) and defence-grade SATCOM systems Excellent communication skills and technical leadership experience Degree in Communications Engineering, Aerospace, or related field (BSc/MSc/PhD) Benefits Package: Base Salary: Up More ❯

About the Company - Akkodis is a global leader in engineering, technology, and R&D, harnessing the power of connected data to drive digital transformation and innovation for a smarter, more sustainable future. As part of the Adecco Group, Akkodis combines the expertise of AKKA and Modis, with over … hardware and systems teams to develop and integrate high-reliability software in a safety-critical environment. Role - You will be part of a high-performance engineering team responsible for delivering real-time embedded solutions aligned with DO-178 standards. This role is essential to achieving robust software integration … software integration Excellent problem-solving and debugging skills Strong communication and collaboration abilities Required Education - Bachelor's degree or higher in Computer Science, Software Engineering, Electronics, or a related field. Clearance Requirements Active SC (Security Clearance) or eligible to obtain SC clearance. BPSS (Baseline Personnel Security Standard) clearance will More ❯

IR35 - Up to £500 day rate About the Role: We’re looking for a Senior Java Engineer with a passion for low-level, high-performance systems. If you enjoy squeezing out every microsecond of efficiency and building high-throughput, scalable applications, this could be your next immediate move. What … Designing and optimising event-driven, non-blocking I/O systems using Java NIO Working with ByteBuffers and direct memory access techniques for optimal performance Developing and maintaining custom binary protocols, ideally with experience in SBE (Simple Binary Encoding) Integrating and fine-tuning Aeron messaging in high-frequency, low … latency environments Conducting performance benchmarking using JMH and other micro-benchmarking tools Tuning JVMs for real-time applications, including GC tuning (ZGC, Shenandoah) and lock-free/wait-free structures Collaborating closely with architecture teams to ensure garbage-free, latency-critical design What We’re Looking For Core Low More ❯

IR35 - Up to £500 day rate About the Role: We’re looking for a Senior Java Engineer with a passion for low-level, high-performance systems. If you enjoy squeezing out every microsecond of efficiency and building high-throughput, scalable applications, this could be your next immediate move. What … Designing and optimising event-driven, non-blocking I/O systems using Java NIO Working with ByteBuffers and direct memory access techniques for optimal performance Developing and maintaining custom binary protocols, ideally with experience in SBE (Simple Binary Encoding) Integrating and fine-tuning Aeron messaging in high-frequency, low … latency environments Conducting performance benchmarking using JMH and other micro-benchmarking tools Tuning JVMs for real-time applications, including GC tuning (ZGC, Shenandoah) and lock-free/wait-free structures Collaborating closely with architecture teams to ensure garbage-free, latency-critical design What We’re Looking For Core Low More ❯

cutting edge of AI innovation. Act as a technical leader and subject matter expert in quality assurance practices, test automation, and tooling across the engineering team. Identify systemic quality issues and process bottlenecks, proposing and leading initiatives to improve development lifecycle efficiency, test effectiveness, and overall product quality. Collaborate … with peers across engineering and product to define, align on, and advocate for consistent quality standards, best practices, and effective testing approaches. Pioneer and champion the adoption of new testing tools, technologies, and methodologies to enhance quality practices and team productivity. Keep a high bar for technical excellence in … performant, high-load frontend applications Previous experience in a Software Development role Experience testing an application relying heavily on event-driven architecture Expertise in Performance Engineering and tools: Beyond just running tests, understanding profiling & bottleneck analysis Experience in and enjoyment of early stage/startup environments 🙌 What’s More ❯

and modernise test approaches, with a strong emphasis on automation-first methodologies. Oversee automation frameworks such as WebdriverIO, ReadyAPI, and Postman. Interpret and action performance engineering test results to inform system improvements. Collaborate with internal teams and external suppliers, resolving issues constructively and sensitively. Provide strategic direction to More ❯

company with a full-stack portfolio of AI-enabled, AI-ready, and AI-optimized devices (PCs, workstations, smartphones, tablets), infrastructure (server, storage, edge, high performance computing and software defined infrastructure), software, solutions, and services. Lenovo's continued investment in world-changing innovation is building a more equitable, trustworthy, and … everyone, everywhere. To find out more visit , and read about the latest news via our StoryHub . Description and Requirements Building on our breakthrough performance in high-performance computing (HPC) and our expanding global HPC customer base, Lenovo is enhancing our global HPC/AI team with specialist … performance engineers. We aim to lead the next generation of air and Neptune liquid-cooled high-performance computational platforms. To achieve this mission, we are looking for a motivated and innovative HPC/AI Performance Engineer to join our team. This role involves rigorous testing of our More ❯

first point of contact for customers seeking technical support via phone, email, or in-person. Troubleshoot and resolve issues related to hardware, software, and performance data tools. Escalate complex cases internally while ensuring timely follow-up and resolution. Collaborate with engineering and testing teams to deliver customer feedback … testing, validation, and release. Prepare and issue technical documentation, sales quotations, and system configuration advice. Key Skills: Previous experience in a technical support or performance engineering role. Working knowledge of vehicle data systems Exposure to CANbus networks, GNSS, and data acquisition tools. Hands-on experience with race car More ❯