51 to 75 of 94 Ultra-Low Latency Jobs in the UK excluding London

technology and global financial markets, where performance is measured in nanoseconds and innovation drives competitive advantage. You'll be part of a team that designs and builds ultra-low latency trading systems deployed across global exchanges. Your work will directly impact trading performance, and you'll be empowered to push the boundaries of what … s possible in software and hardware optimisation. Key Responsibilities Architect and implement high-performance C++ systems with extreme latency sensitivity. Optimise every layer of the stack - from CPU cache and memory allocation to kernel bypass and network I/O. Collaborate with traders, quants, and infrastructure engineers to deliver robust, scalable, and lightning-fast trading solutions. Profile, benchmark … kernel bypass technologies (e.g., DPDK, Solarflare/OpenOnload) and high-performance networking. Familiarity with Linux internals, NUMA, CPU affinity, and custom memory management. Proven track record of building latency-critical systems in trading, gaming, or telecom environments. Bonus: Experience with FPGA acceleration, RDMA, or custom NIC firmware. Why Apply? Work with some of the fastest systems and smartest 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 ❯

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 me@mondrian-alpha.com an email 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 me@mondrian-alpha.com an email 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 me@mondrian-alpha.com an email 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative More ❯

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative More ❯

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative 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 ❯