25 of 25 Ultra-Low Latency Jobs in the UK excluding London

We are looking for a Software Engineer to the Ultra-Low Latency (ULL) Market Making team within this rapidly expanding Prop Trading firm based in London. This is a hands-on engineering role at the frontier of high-performance trading systems What You'll Do Design and implement modern C++ (C+/23) applications … for ultra-low latency trading. Optimize performance at the CPU, kernel, and network stack level to minimize latency and maximize throughput. Engineer and maintain Linux-based systems tuned for high-frequency trading workloads. Develop and refine TCP/IP networking solutions for market connectivity. Collaborate with traders, researchers, and engineers to deliver … memory management, and instruction pipelines . Exposure to Linux kernel-level programming and tuning . Solid knowledge of TCP/IP networking and experience building high-throughput, low-latency network applications. Proven track record of developing real-time, high-performance systems (finance, gaming, or similar). Beneficial: Experience with FPGA/ASIC development for hardware acceleration. More ❯

Low Latency Java Developer - FX options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on … experience in FIX protocol integration to join their FX Options technology team. You will play a hands-on role in modernising and optimising the trading platform , delivering ultra-low latency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain low latency Java-based trading systems … Risk teams to translate business requirements into high-performance solutions Take ownership of the end-to-end performance of the platform , including debugging, tuning, and optimising for ultra-low latency Ensure adherence to best coding practices and provide technical leadership within the development team Collaborate with cross-functional teams on architecture, design, and deployment More ❯

point of contact for senior stakeholders. Projects You'll Work On Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency. Resilience & recoverability: Build fault-tolerant services and recovery systems for mission-critical trading operations. Automation & testability: Drive forward engineering practices, embedding automation to ensure reliability and More ❯

Researcher Company : Proprietary HFT Location : Cambridge Compensation : Up to £300,000 Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Quantitative Researcher with a demonstrable background of iterating rapidly on complex mathematical experiments. It is important that you have More ❯

Researcher Company : Proprietary HFT Location : Cambridge Compensation : Up to £300,000 Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Quantitative Researcher with a demonstrable background of iterating rapidly on complex mathematical experiments. It is important that you have More ❯

Researcher Company : Proprietary HFT Location : Cambridge Compensation : Up to £300,000 Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Quantitative Researcher with a demonstrable background of iterating rapidly on complex mathematical experiments. It is important that you have More ❯

Researcher Company : Proprietary HFT Location : Cambridge Compensation : Up to £300,000 Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Quantitative Researcher with a demonstrable background of iterating rapidly on complex mathematical experiments. It is important that you have More ❯

Design and optimise ultra-low-latency hardware systems that power real-time trading strategies. You'll join a high-calibre engineering team where your designs directly influence trading performance. Expect a hands-on, fast-paced environment where technical depth, innovation, and collaboration are key. You'll architect, implement and deploy FPGA solutions across the More ❯

investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture supporting the firm's ambitious technology roadmap. More ❯

/Bonus Join a leading financial technology and trading organisation driving innovation in electronic markets. As an eFX Software Engineer, you'll design and deliver high-performance, low-latency trading solutions that underpin mission-critical systems. This role offers the chance to work on cutting-edge technology where speed, scalability … and resilience are key. About the Role Lead the design and development of secure, high-performance eFX systems Define and evolve Java patterns and techniques optimised for ultra-low latency (<40μs) Architect fault-tolerant, scalable trading systems Influence technical strategy, architecture, and product roadmaps Collaborate with multiple teams to deliver best-in-class E … business needs into scalable technical solutions Desirable Experience Leadership across multiple feature teams or complex projects Exposure to E-trading and real-time data platforms Experience with low-latency Java frameworks and performance monitoring Strategic input into enterprise or domain architecture Reasonable Adjustments: Respect and equality are core values to us. We are proud of the More ❯

role. You won't be managing users or installations - you'll be writing the code that shapes the Linux OS itself , making kernel-level changes, tuning for ultra-low latency, and solving the kinds of problems that get escalated all the way to Red Hat. What you'll be doing: Writing and maintaining tools … uncover and fix bottlenecks Automating the build, test, and release of custom Linux images Helping shape the future of Linux systems at scale in a highly technical, low-latency environment What we're looking for: 4+ years of deep Linux experience - ideally across RHEL, CentOS, or Ubuntu Strong coding skills in Python or Go (bonus points More ❯

delivering cutting-edge solutions across FX Spot, Forwards, and Pricing, with exposure to Rates and Cross-Asset projects further down the line. Key Responsibilities Design and develop ultra-low latency Java systems for electronic FX trading. Work closely with traders and quants to deliver performant pricing and hedging solutions. Lead components of system re … JVM tuning. Contribute to a high-performing, globally distributed engineering team. Technical Environment Core Java, Aeron, lock-free/concurrent programming High-performance messaging, distributed systems, and low-latency design Real-time pricing, RFQ, and automated hedging systems What We're Looking For Proven experience designing or building low-latency trading systems More ❯

custom allocator design , branchless algorithms , and profile-guided optimization . A habit of benchmarking rather than assuming - data, not theory. Ideal Background Proven experience building ultra-low-latency systems in trading, gaming, or networking. Deep understanding of CPU architecture , from cache hierarchies to speculative execution. The mindset of someone who thinks in nanoseconds and … bureaucracy, no excuses. Engineering, hardware, and trading sit shoulder-to-shoulder. Code that's 10ns faster doesn't just run better - it changes the business. If you believe latency is the final frontier, and profiling is the only truth, this is the environment you've been building toward. To apply, please either send an email, or respond to More ❯

Software Engineer to build and evolve high-performance order gateway systems used in fast-moving fixed income markets. This is a hands-on role developing ultra-low-latency services that handle order validation, routing and exchange connectivity - the backbone of real-time trading. You’ll join a collaborative team of developers, quants and platform … line application support, analysing production telemetry and driving improvements Core Skills & Experience: • Strong proficiency in modern C++ (C++17 or later) and STL • Deep understanding of multi-threading, low-latency optimisation and Linux systems • Experience working on high-frequency or real-time systems (financial or otherwise) • Familiarity with network programming, serialization and distributed architectures • Strong analytical and More ❯

ll Be Doing Automate and scale cloud infrastructure (GCP, Kubernetes, distributed systems) Code like an engineer – Rust & Python are your daily weapons Fine-tune Linux servers for ultra-low latency performance Build bulletproof CI/CD pipelines and monitoring setups Document everything — clear, sharp, reusable What You Bring Deep hands-on GCP + Kubernetes More ❯

and improve LLM-based systems for low-latency RAG systems, intent detection, call scoring, and email classification. Support real-time inference infrastructure with ultra-low latency and detailed monitoring. Create and maintain evaluation datasets to test safety, prompt following, and conversational quality. Collaborate with engineers and researchers to apply new More ❯

and improve LLM-based systems for low-latency RAG systems, intent detection, call scoring, and email classification. Support real-time inference infrastructure with ultra-low latency and detailed monitoring. Create and maintain evaluation datasets to test safety, prompt following, and conversational quality. Collaborate with engineers and researchers to apply new More ❯

Java Developer - FX Low Latency Market Making A leading hedge fund with a global presence, specialising in quantitative trading and market … making across multiple asset classes is seeking a highly skilled Senior Java Developer to join their rapidly expanding FX business to help design and build ultra-low-latency trading systems that power their electronic market making strategies. The Role As a Senior Java Developer in an FX market making team, you will play a … teams to deliver software that operates at microsecond latencies, scales globally, and directly contributes to our competitive edge in the markets. Key Responsibilities Design, develop, and maintain low-latency, high-throughput trading platforms in Java. Collaborate with quants and traders to translate market making strategies into robust, production-ready code. Optimise code and infrastructure for latency More ❯

C++ Engineer - Contract - £700-£1000 We're looking for a hands-on VP-level C++ engineer to join a top-tier exchange building out their next-gen low-latency trading and market … data platform. This is a greenfield project to add options trading capabilities - a rare chance to shape core infrastructure at scale. What you'll be doing: Writing ultra-low latency C++ code, tuning for performance and efficiency. Working alongside other VP-level C++ developers on mission-critical systems. Driving a test-first strategy (TDD … Deep C++ expertise - you live and breathe performance optimization. Senior/VP-level engineer in your current shop. Solid track record with automated testing in production environments. Low-latency, high-throughput systems experience. Financial markets knowledge (options/derivatives) is a plus, not a must. Why this role? Greenfield build with immediate impact. Elite team of More ❯

Cambridge Pay : Up to £300,000 with huge potential to increase Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Software Engineer with a demonstrable background of delivering complex projects from a concept through to delivery. It is important … this dynamic role will require you to rapidly prototype - and ultimately move into production - highly complex, reliable and performant systems - oftentimes from scratch. Role : Develop ultra-low-latency exchange connectivity layers using reliable C++ code Work closely with a close-knit team of Software Developers and Quant Traders Build mission-critical research systems from More ❯

Cambridge Pay : Up to £300,000 with huge potential to increase Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Software Engineer with a demonstrable background of delivering complex projects from a concept through to delivery. It is important … this dynamic role will require you to rapidly prototype - and ultimately move into production - highly complex, reliable and performant systems - oftentimes from scratch. Role : Develop ultra-low-latency exchange connectivity layers using reliable C++ code Work closely with a close-knit team of Software Developers and Quant Traders Build mission-critical research systems from More ❯

FPGA ENGINEER - ULTRA-LOW LATENCY SYSTEMS Location: London (Hybrid: 4 days onsite) Sector: Quant Trading/High-Performance Computing Industry leading compensation Quant Capital is partnering with a global trading firm building a greenfield FPGA team focused on low-latency, high-throughput hardware systems. This small, senior group will deliver … high-speed compute infrastructure integrated directly into trading, research, and networking pipelines. What You'll Be Doing Designing and implementing latency-optimised FPGA systems in Verilog/SystemVerilog Developing high-speed modules (PCIe, Ethernet, DDR/QDR) with deep pipelining Using simulation and formal tools (Verilator, Cocotb, etc.) for validation Working across teams (ASIC, software, infra) to co More ❯

a high-performance team with a culture of knowledge sharing and collective growth. The business are well reputed for growing graduates internally, and for providing ultra-low-latency solutions using C++. The role: Write high-performance C++ code. Low-latency networking. Work on live projects from day one with a More ❯

Senior FPGA Engineer - Cambridge - £80k-£130k Platform Recruitment has partnered with a cutting-edge technology firm developing ultra–low-latency FPGA platforms that power some of the fastest systems in the world. This is an opportunity to work at the sharp end of hardware design; where every nanosecond counts - joining a team that builds … a Senior FPGA Engineer, you’ll take technical ownership of complex digital designs: from concept through to verification and hardware validation. You’ll architect new FPGA platforms, optimise latency and throughput, and collaborate with software and DevOps teams to deliver end-to-end solutions that push the boundaries of performance. What You … ll Be Doing Architecting and implementing RTL designs on high-end FPGAs (Xilinx/Intel). Performing simulation, synthesis, P&R, and timing analysis for ultra-low-latency systems. Leading the definition of micro-architectures and verification environments. Driving technical excellence across the FPGA team through mentorship and code reviews. Collaborating with firmware, software More ❯

Platform Engineer - Quantitative Crypto Trading Firm London Sponsorship and relocation support available Join a leading quantitative crypto trading firm building globally distributed, ultra-low-latency systems that power their research and execution platform. You'll work at the intersection of infrastructure, software, and performance engineering - solving deep technical problems at scale. What you'll … do: Own and optimise infrastructure behind a 24/7 web data and trading platform spanning multiple clouds and regions. Tune Linux network stacks, automate infrastructure, and reduce latency across the pipeline. Partner closely with developers and infra teams to improve architecture, reliability, and performance. Drive adoption of modern tooling (Python, Bash, Terraform, Kubernetes, Prometheus, etc.) while staying … setups. Hands-on experience configuring and managing proxy servers in complex, distributed environments Skilled in Python/Bash and comfortable debugging distributed systems. Experience in high-throughput, low-latency, or large-scale environments (finance, trading, or scraping preferred). If you're an engineer who loves optimisation, systems performance, and solving real production challenges - please apply. More ❯