1 to 25 of 55 Ultra-Low Latency Jobs in London

business is actively expanding as there is additional headcount for a number trade platform specialist Java Development with a focus on either/or Quantitative Development or low-latency performance optimization. You will be working on greenfield projects to build out and enhance their low latency trading systems. THE ROLE: Working in … a high-frequency, multi-exchange setup. You will focus on optimising every component of the trading stackincluding multi-threading, network communication, order processing, and execution logicto achieve ultra-low latency and high throughput. Robust monitoring, alerting, and performance tracking ensure system reliability. The team has deep expertise in trading protocols, messaging systems, network architectures … Expertise in market-making or algorithmic trading, including deep understanding of order book dynamics and pricing techniques Proven track record in Java programming, specifically in building fast, low-latency trading systems Strong familiarity with market data and order execution protocols (e.g. FIX, binary, or custom APIs) Hands-on experience with JVM tuning, garbage collection, and deep More ❯

Software Engineer - Low Latency The Latency Critical Trading team seeks a software engineer who is excited to architect, design, and implement low latency C++ systems that are robust, resilient, accurate, stable, and blindingly fast. By building and maintaining this high-performance infrastructure, this developer will help to position Millennium as … world. Responsibilities: Assisting in the development of a tick by tick backtesting research platform and exchange simulation Collaborating with hardware and software developers across divisions to build ultra-low latency trading systems # Contributing towards the team's technical direction by driving new initiatives Developing and optimizing large-scale parallel computation problems that requires … large quantities of data shared across resources Developing systems, interfaces, and tools to historical market data and trading simulations that increase research productivity Designing and implementing a low latency high-frequency trading platform, which includes collecting quotes and trades from and disseminating orders to exchanges around the world Optimizing this platform by using network and systems More ❯

FPGA Engineers at this award-winning multi-strategy hedge fund are responsible for the research, design and implementation of FPGA solutions for their ultra-low-latency trading systems. Accelerating trading decisions close to theoretical limits and partnering with both technologists and traders, they provide hardware solutions in areas such as fast networking, high-performance … constantly driving to identify ways to become more productive, and are seeking FPGA Hardware Engineers who can help build the next generation of cutting-edge, ultra-low-latency hardware solutions. Key Responsibilities: Work as part of a team on the design and implementation of proprietary hardware trading systems from concept to production. Design ultra-low-latency, high-throughput, FPGA-based custom financial trading systems to accelerate algorithmic trade signal generation and order execution. Accelerate network infrastructure and trading system components with high-speed FPGA designs. Performance analysis and optimization of existing RTL designs. Investigate the latency, throughput and capacity of emerging FPGA technologies. Work closely with More ❯

Job Title: Core Java Developer – Ultra Low Latency Trading Systems Location: London Type: Permanent Overview … We are hiring a Core Java developer to join a high-performance trading team focused on eFX OR Crypto markets. This role requires deep technical expertise in ultra-low latency systems and a strong understanding of electronic trading environments. Key Responsibilities: Design and develop low-latency, high-throughput trading components … low-level concurrency) Demonstrable experience building systems with microsecond SLAs Prior experience in eFX or crypto trading platforms , particularly pricing or execution engines Familiarity with low-latency messaging libraries (e.g. Aeron, SBE, Disruptor) Solid understanding of network-level tuning and OS-level performance optimisation Desirable: Experience with 0GC and off-heap memory management Exposure More ❯

Job Title: Core Java Developer – Ultra Low Latency Trading Systems Location: London Type: Permanent Overview … We are hiring a Core Java developer to join a high-performance trading team focused on eFX OR Crypto markets. This role requires deep technical expertise in ultra-low latency systems and a strong understanding of electronic trading environments. Key Responsibilities: Design and develop low-latency, high-throughput trading components … low-level concurrency) Demonstrable experience building systems with microsecond SLAs Prior experience in eFX or crypto trading platforms , particularly pricing or execution engines Familiarity with low-latency messaging libraries (e.g. Aeron, SBE, Disruptor) Solid understanding of network-level tuning and OS-level performance optimisation Desirable: Experience with 0GC and off-heap memory management Exposure More ❯

We’re seeking an exceptional C++ Engineer to join a leading high-frequency trading (HFT) firm. You’ll be a core contributor to the development of ultra-low latency systems that power global trading strategies. This is a performance-critical environment where microseconds matter and world-class engineering makes the difference. What You’ll … Do Design, build, and optimize latency-sensitive components of our trading platform in modern C++ Work closely with traders and quants to deploy real-time strategies and market access systems Engineer high-throughput data pipelines and tick-to-trade execution paths Continuously profile and tune systems at the CPU, memory, and networking level Own the full software lifecycle … Thrive Here If You: Think in nanoseconds and debug in disassembly Enjoy profiling code more than writing it Build tools because no existing ones are fast enough Treat latency, jitter, and throughput as first-class metrics Why Join Us Work on problems at the edge of hardware and software Flat, fast-paced environment with minimal red tape Exceptional More ❯

We’re seeking an exceptional C++ Engineer to join a leading high-frequency trading (HFT) firm. You’ll be a core contributor to the development of ultra-low latency systems that power global trading strategies. This is a performance-critical environment where microseconds matter and world-class engineering makes the difference. What You’ll … Do Design, build, and optimize latency-sensitive components of our trading platform in modern C++ Work closely with traders and quants to deploy real-time strategies and market access systems Engineer high-throughput data pipelines and tick-to-trade execution paths Continuously profile and tune systems at the CPU, memory, and networking level Own the full software lifecycle … Thrive Here If You: Think in nanoseconds and debug in disassembly Enjoy profiling code more than writing it Build tools because no existing ones are fast enough Treat latency, jitter, and throughput as first-class metrics Why Join Us Work on problems at the edge of hardware and software Flat, fast-paced environment with minimal red tape Exceptional More ❯

We’re seeking an exceptional C++ Engineer to join a leading high-frequency trading (HFT) firm. You’ll be a core contributor to the development of ultra-low latency systems that power global trading strategies. This is a performance-critical environment where microseconds matter and world-class engineering makes the difference. What You’ll … Do Design, build, and optimize latency-sensitive components of our trading platform in modern C++ Work closely with traders and quants to deploy real-time strategies and market access systems Engineer high-throughput data pipelines and tick-to-trade execution paths Continuously profile and tune systems at the CPU, memory, and networking level Own the full software lifecycle … Thrive Here If You: Think in nanoseconds and debug in disassembly Enjoy profiling code more than writing it Build tools because no existing ones are fast enough Treat latency, jitter, and throughput as first-class metrics Why Join Us Work on problems at the edge of hardware and software Flat, fast-paced environment with minimal red tape Exceptional More ❯

Java Developer Join a fast-paced, high-performance FX trading firm in the heart of London. Specialising in delivering low-latency, high-throughput trading solutions to institutional clients across global currency markets. With a tech-first culture and a flat structure, engineers are empowered to innovate and take ownership of mission-critical systems. We are looking … strong multithreading and concurrency experience to join our Core Engineering team. You will work closely with quants, traders, and other developers to build and maintain ultra-low-latency trading applications and real-time market data systems. Key Responsibilities: Design and develop high-performance Java applications for FX pricing, trading, and risk. Optimise and maintain … multithreaded systems to support low-latency execution. Work with large-scale, high-throughput messaging systems (e.g., FIX, Kafka). Collaborate with cross-functional teams to deliver robust, scalable software solutions. Continuously improve performance, reliability, and observability of trading systems. Required Skills & Experience: Strong proficiency in Core Javam with a focus on multithreading and concurrency . Solid More ❯

Java Developer Join a fast-paced, high-performance FX trading firm in the heart of London. Specialising in delivering low-latency, high-throughput trading solutions to institutional clients across global currency markets. With a tech-first culture and a flat structure, engineers are empowered to innovate and take ownership of mission-critical systems. We are looking … strong multithreading and concurrency experience to join our Core Engineering team. You will work closely with quants, traders, and other developers to build and maintain ultra-low-latency trading applications and real-time market data systems. Key Responsibilities: Design and develop high-performance Java applications for FX pricing, trading, and risk. Optimise and maintain … multithreaded systems to support low-latency execution. Work with large-scale, high-throughput messaging systems (e.g., FIX, Kafka). Collaborate with cross-functional teams to deliver robust, scalable software solutions. Continuously improve performance, reliability, and observability of trading systems. Required Skills & Experience: Strong proficiency in Core Javam with a focus on multithreading and concurrency . Solid More ❯

a high-performing KDB+ Developer to join a world-leading investment bank’s Front Office Quantitative Technology team in London . You will design, build, and optimise low-latency, high-performance time-series data systems used for real-time analytics , trading , and decision-making across global markets. This is a critical hire for an elite team … analysis . Contribute to architectural decisions around data pipelines , streaming platforms , and KX integration . Ensure high availability and reliability of market data infrastructure in high-pressure, low-latency environments . ✅ Required Skills & Experience 3+ years of hands-on commercial experience with KDB+/q in a front office or trading environment . Strong understanding of …/DevOps environments, including CI/CD pipelines. Familiarity with Linux systems , scripting (Python/Bash), and version control (Git). 🌍 Why apply? Work on ultra-low-latency platforms used by top traders and quants. Direct impact on multi-billion-dollar trading strategies and real-time decision engines. Collaborate with some of the best More ❯

a high-performing KDB+ Developer to join a world-leading investment bank’s Front Office Quantitative Technology team in London . You will design, build, and optimise low-latency, high-performance time-series data systems used for real-time analytics , trading , and decision-making across global markets. This is a critical hire for an elite team … analysis . Contribute to architectural decisions around data pipelines , streaming platforms , and KX integration . Ensure high availability and reliability of market data infrastructure in high-pressure, low-latency environments . ✅ Required Skills & Experience 3+ years of hands-on commercial experience with KDB+/q in a front office or trading environment . Strong understanding of …/DevOps environments, including CI/CD pipelines. Familiarity with Linux systems , scripting (Python/Bash), and version control (Git). 🌍 Why apply? Work on ultra-low-latency platforms used by top traders and quants. Direct impact on multi-billion-dollar trading strategies and real-time decision engines. Collaborate with some of the best More ❯

C++ Engineers in London. This is a rare opportunity to join a world-class engineering team and play a key role in building and optimizing ultra-low-latency trading systems across global markets. Based in London, you’ll work at the intersection of software engineering, trading infrastructure, and market expansion. You’ll take ownership More ❯

C++ Engineers in London. This is a rare opportunity to join a world-class engineering team and play a key role in building and optimizing ultra-low-latency trading systems across global markets. Based in London, you’ll work at the intersection of software engineering, trading infrastructure, and market expansion. You’ll take ownership More ❯

time trading systems for the foreign exchange markets. This is a front office role where performance, reliability, and speed are critical. Ideal candidates will have experience in low-latency systems, market connectivity, and a strong understanding of FX or other electronic trading environments. Key Responsibilities: Design, develop, and maintain high-performance C++17+ trading systems for FX … connectivity components (FIX, proprietary protocols) and order management systems. Collaborate directly with traders and quants to implement trading strategies and pricing models. Ensure system reliability, scalability, and ultra-low latency under high-throughput conditions. Monitor and tune live trading systems, identifying performance bottlenecks and implementing real-time fixes. Technical Requirements: Strong C++17+ development skills … with a focus on performance, concurrency, and low-latency design. Experience in front office or trading environments, ideally within FX or other liquid asset classes. Deep understanding of networking, messaging protocols (e.g., FIX), and exchange connectivity. Familiarity with Linux systems, performance profiling tools, and real-time debugging. Knowledge of market microstructure, order types, and execution logic. More ❯

Do you want to work alongside the most talented engineers in the world? We are working with the pioneers of High Frequency Trading and Ultra-Low Latency Infrastructure, we're seeing a rockstar Software Engineer with a focus on networks and systems to join their dynamic team of global expert engineers and play a More ❯

and are ready to tackle some of the most complex engineering challenges in finance. Key Responsibilities: Design and implement high-performance C++17+ infrastructure libraries and tools. Develop ultra-low latency systems for global trading operations. Engineer core platform components: memory allocators, kernel bypass, custom RPC, and distributed compute frameworks. Optimise performance at the hardware … knowledge of memory management, concurrency, and performance tuning. Experience with GPU programming (CUDA), SIMD, and kernel-level development. Deep understanding of data structures, lock-free algorithms, and low-latency systems. Familiarity with Linux internals, system calls, and performance profiling tools. Background in platform engineering, distributed systems, or high-performance computing. Preferred Background: Participation in competitive programming More ❯

A leading global trading firm is seeking an experienced C++ developer to join its ETF Front Office Engineering team in London. This role is focused on building ultra-low latency systems for quoting, pricing, and trading ETFs across global markets. You will work directly with traders and quantitative researchers to design and implement mission … overhead. Technical Requirements: Expert-level C++ (C++17/20) with deep understanding of memory management, concurrency (lock-free, wait-free), and template metaprogramming. Proven experience in low-latency trading systems, preferably in ETFs, equities, or delta-one products. Strong knowledge of networking protocols (TCP/UDP, FIX, multicast), kernel bypass, and hardware timestamping. Experience with … real-time market data processing, order book construction, and tick-to-trade pipelines. Experience with exchange simulators, backtesting frameworks, and latency benchmarking. Please apply for more info More ❯

income, and crypto. As part of the Production Engineering desk, you'll work at the intersection of software and systems, ensuring the reliability, performance, and scalability of ultra-low latency trading platforms. Key Responsibilities: Develop and maintain high-performance C++ infrastructure supporting real-time trading Optimise systems for latency, throughput, and determinism More ❯

testing and deploying some of the fastest, most sophisticated trading systems in the world. You will be intricately involved in creating next generation FPGA solutions to support ultra-low latency trading systems across the firm. The ideal candidate should have a strong background in in System Verilog or VHDL, as well as software engineering. More ❯

testing and deploying some of the fastest, most sophisticated trading systems in the world. You will be intricately involved in creating next generation FPGA solutions to support ultra-low latency trading systems across the firm. The ideal candidate should have a strong background in in System Verilog or VHDL, as well as software engineering. More ❯

testing and deploying some of the fastest, most sophisticated trading systems in the world. You will be intricately involved in creating next generation FPGA solutions to support ultra-low latency trading systems across the firm. The ideal candidate should have a strong background in in System Verilog or VHDL, as well as software engineering. More ❯

models—it’s about rethinking how AI workloads are executed at speed and scale. You’ll lead the design and implementation of software systems that run distributed, low-latency inference across clusters. You’ll work closely with hardware and ML teams to optimise every layer of the stack—from model representation and execution to data movement … at serious scale, we’d love to talk. Responsibilities Design and build high-performance systems for running AI/ML workloads across distributed compute clusters Optimise for ultra-low latency and real-time inference at scale—profiling, tuning, and rewriting critical systems as needed Identify and resolve performance bottlenecks across the stack, from model More ❯

A leading hedge fund is seeking a Senior Lead Linux Engineer to join a high-performance infrastructure team supporting global low-latency trading systems. This is a hands-on engineering role with strong ownership across design, automation, performance tuning, and deployment. You will lead strategic improvements to the firm’s Linux environment, enabling new trading strategies … technical role that goes beyond day-to-day operations and is central to their infrastructure strategy. Key Responsibilities: Architect and optimize global Linux infrastructure for ultra-low-latency trading workloads Automate system deployment and configuration using tools like Python and Ansible Analyze and tune kernel and system performance to meet demanding latency … Computer Science or a related field 5+ years of hands-on experience with Linux systems (Debian and RHEL preferred) Deep understanding of system performance tuning, especially in low-latency environments Strong scripting and automation skills (Python, Ansible); familiarity with Nix/NixOS is a plus Excellent problem-solving skills, attention to detail, and a proactive engineering More ❯

A leading hedge fund is seeking a Senior Lead Linux Engineer to join a high-performance infrastructure team supporting global low-latency trading systems. This is a hands-on engineering role with strong ownership across design, automation, performance tuning, and deployment. You will lead strategic improvements to the firm’s Linux environment, enabling new trading strategies … technical role that goes beyond day-to-day operations and is central to their infrastructure strategy. Key Responsibilities: Architect and optimize global Linux infrastructure for ultra-low-latency trading workloads Automate system deployment and configuration using tools like Python and Ansible Analyze and tune kernel and system performance to meet demanding latency … Computer Science or a related field 5+ years of hands-on experience with Linux systems (Debian and RHEL preferred) Deep understanding of system performance tuning, especially in low-latency environments Strong scripting and automation skills (Python, Ansible); familiarity with Nix/NixOS is a plus Excellent problem-solving skills, attention to detail, and a proactive engineering More ❯