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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Manha Resource Solutions Ltd
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-lowlatency performance Build bulletproof CI/CD pipelines and monitoring setups Document everything — clear, sharp, reusable What You Bring Deep hands-on GCP + Kubernetes More ❯
Java Developer - FX LowLatency 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 latencyMore ❯
Java Developer – FX LowLatency 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 latencyMore ❯
Java Developer – FX LowLatency 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 latencyMore ❯
london (city of london), south east england, united kingdom
Vertus Partners
Java Developer – FX LowLatency 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 latencyMore ❯
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-lowlatency 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-lowlatency 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-lowlatency 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 ❯
london (city of london), south east england, united kingdom
Bourne Search Ltd
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-lowlatency 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 ❯
london, south east england, united kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-lowlatency 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 ❯
slough, south east england, united kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-lowlatency 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 ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-lowlatency 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-LOWLATENCY 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 ❯
london, south east england, united kingdom Hybrid / WFH Options
Quant Capital
FPGA ENGINEER – ULTRA-LOWLATENCY 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 ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Quant Capital
FPGA ENGINEER – ULTRA-LOWLATENCY 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 ❯
slough, south east england, united kingdom Hybrid / WFH Options
Quant Capital
FPGA ENGINEER – ULTRA-LOWLATENCY 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 ❯
london, south east england, united kingdom Hybrid / WFH Options
Batonics AB
for leading funds and institutions across Asia, the U.S., and Europe. Our products deliver advanced market-microstructure analytics, backtesting, portfolio and risk tools, and formal verification for low-latency systems merging high-performance computing, AI, and frontier quantitative research. We’re looking for a part-time engineer to help develop end-to-end quantitative trading and … Decision. Any of the below is a plus but not neccessary : High-performance database systems & transactional correctness (isolation/serializability) Real-time data pipelines & market-data processing (ultra-lowlatency, burst tolerance) Performance/latency optimization to sub-millisecond: CPU cache/NUMA, SIMD, vectorization, I/O tuning Concurrency & memory models More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Batonics AB
for leading funds and institutions across Asia, the U.S., and Europe. Our products deliver advanced market-microstructure analytics, backtesting, portfolio and risk tools, and formal verification for low-latency systems merging high-performance computing, AI, and frontier quantitative research. We’re looking for a part-time engineer to help develop end-to-end quantitative trading and … Decision. Any of the below is a plus but not neccessary : High-performance database systems & transactional correctness (isolation/serializability) Real-time data pipelines & market-data processing (ultra-lowlatency, burst tolerance) Performance/latency optimization to sub-millisecond: CPU cache/NUMA, SIMD, vectorization, I/O tuning Concurrency & memory models More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Batonics AB
for leading funds and institutions across Asia, the U.S., and Europe. Our products deliver advanced market-microstructure analytics, backtesting, portfolio and risk tools, and formal verification for low-latency systems merging high-performance computing, AI, and frontier quantitative research. We’re looking for a part-time engineer to help develop end-to-end quantitative trading and … Decision. Any of the below is a plus but not neccessary : High-performance database systems & transactional correctness (isolation/serializability) Real-time data pipelines & market-data processing (ultra-lowlatency, burst tolerance) Performance/latency optimization to sub-millisecond: CPU cache/NUMA, SIMD, vectorization, I/O tuning Concurrency & memory models More ❯
work on next-generation market infrastructure. Key Responsibilities Lead, mentor, and scale the engineering team across software, infrastructure, DevOps, and cybersecurity . Design and implement high-performance, low-latency trading systems with tight timing and reliability requirements. Oversee the development of client connectivity layers and ensure system performance meets demanding standards. Implement robust risk controls and … expertise in trading system architectures , low-latency infrastructure, and performance optimization. Proven experience architecting and scaling systems capable of handling high volumes with ultra-lowlatency . Experience in regulated markets or compliance-driven engineering preferred. Hands-on, strategic, and technical leadership style — able to manage teams while contributing to More ❯
work on next-generation market infrastructure. Key Responsibilities Lead, mentor, and scale the engineering team across software, infrastructure, DevOps, and cybersecurity . Design and implement high-performance, low-latency trading systems with tight timing and reliability requirements. Oversee the development of client connectivity layers and ensure system performance meets demanding standards. Implement robust risk controls and … expertise in trading system architectures , low-latency infrastructure, and performance optimization. Proven experience architecting and scaling systems capable of handling high volumes with ultra-lowlatency . Experience in regulated markets or compliance-driven engineering preferred. Hands-on, strategic, and technical leadership style — able to manage teams while contributing to More ❯
london (city of london), south east england, united kingdom
Wellesley
work on next-generation market infrastructure. Key Responsibilities Lead, mentor, and scale the engineering team across software, infrastructure, DevOps, and cybersecurity . Design and implement high-performance, low-latency trading systems with tight timing and reliability requirements. Oversee the development of client connectivity layers and ensure system performance meets demanding standards. Implement robust risk controls and … expertise in trading system architectures , low-latency infrastructure, and performance optimization. Proven experience architecting and scaling systems capable of handling high volumes with ultra-lowlatency . Experience in regulated markets or compliance-driven engineering preferred. Hands-on, strategic, and technical leadership style — able to manage teams while contributing to More ❯
london, south east england, united kingdom Hybrid / WFH Options
Hunter Bond
C++ Developer – Ultra-Low-Latency Systems 📍 Location: London (Hybrid) 💷 Compensation: Up to £190,000 + Bonus + Comprehensive Benefits 💻 Experience: 1+ Year 🚀 The Opportunity Are you passionate about speed, precision, and systems-level engineering ? Join a leading buy-side firm as a C++ Developer , building ultra-low-latency … tackling complex challenges across live trading systems that demand maximum performance, reliability, and scalability. 🔧 What You’ll Be Working On 🛠 Designing and optimizing ultra-fast, low-latency trading infrastructure 🧬 Fine-tuning performance at the CPU, cache, and memory levels 📈 Engineering high-performance data structures and algorithms 🧩 Diagnosing and resolving bottlenecks throughout the software and … performance team 📊 Career Acceleration: Flat structure with real ownership and rapid progression If you’re ready to push hardware limits and engineer the future of ultra-low-latency trading systems , we’d love to hear from you. 📧 Apply now or reach out directly: obloom@hunterbond.com More ❯