1 to 25 of 495 Permanent Low Latency Jobs in London

As a Low Latency Network Architect, you will be a key driver in delivering high-performance solutions across the company's global datacenters and colocation estate. You'll oversee all aspects related to colocation sites, including site access, equipment procurement, logistics, capacity management (power, space, servers, network ports … services, such as market data delivery and direct market access systems. In this pivotal role, you will design, engineer, and deploy cutting-edge ultra-low latency network infrastructure. You will lead the installation, monitoring, maintenance, and optimization of network hardware, security hardware, software, and connectivity. Additionally, you'll … optimization of networks to deliver optimal performance for trading systems. This includes overseeing connectivity with exchanges, brokers, and managed service providers, ensuring seamless and low-latency delivery for intraday trading. What You'll Bring to the Table: Expertise in Networking : Deep understanding of Layer 1 and 2 network More ❯

Senior Low Latency Developer, C++ - Crypto I am partnering with a leading global investment firm to find a Senior Low Latency C++ Developer to join their dynamic team in London. This is an exciting opportunity to play a pivotal role in enhancing the firm's market … access systems for low-latency and high-frequency trading in cryptocurrency markets. What You’ll Do: As a Senior Low Latency C++ Developer , you will work closely with traders, researchers, and other teams to develop and optimize high-performance systems for cryptocurrency markets. You will leverage … your expertise in C++ and low-latency development to drive improvements and provide innovative solutions that meet the high demands of crypto trading. Key Responsibilities: Enhance and optimize market access systems to meet the low-latency and high-frequency demands of cryptocurrency markets. Work directly with More ❯

Senior Low Latency Developer, C++ - Crypto I am partnering with a leading global investment firm to find a Senior Low Latency C++ Developer to join their dynamic team in London. This is an exciting opportunity to play a pivotal role in enhancing the firm's market … access systems for low-latency and high-frequency trading in cryptocurrency markets. What You’ll Do: As a Senior Low Latency C++ Developer , you will work closely with traders, researchers, and other teams to develop and optimize high-performance systems for cryptocurrency markets. You will leverage … your expertise in C++ and low-latency development to drive improvements and provide innovative solutions that meet the high demands of crypto trading. Key Responsibilities: Enhance and optimize market access systems to meet the low-latency and high-frequency demands of cryptocurrency markets. Work directly with More ❯

Investment Banking - Low Latency C++ Developer - financial markets/Linux/Scripting/low latency/TCP/IP PURPOSE AND SUMMARY We are looking for a C++ developer to be part of the low latency development team. The team provides industry leading low-latency trading services for our clients, utilizing FPGA, C++ and Java technologies. The candidate will be focusing on the C++ components. The ideal candidate: Is motivated by working in a high performing team, Is flexible to change of work streams as business priorities change or problems arise, Likes … order entry gateway development. Experience with market data Reasonable knowledge of Linux Some Scripting knowledge Interest and some knowledge of principles of developing for low latency Relationship Builder Ability to work under pressure to meet targets Understanding of TCP/IP protocol a plus Permanent role - hybrid working 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 … 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 … 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 More ❯

Low Latency Java Developer London (Hybrid) Contract Outside IR35 ~£800-£1,000 (potential flex for top candidates) Source Technology have multiple high-performance Java developer roles available on projects at a tier one investment bank across FX and Cash Equities. What You’ll Do: Develop and optimise ultra … low latency, high-throughput trading systems. Collaborate with traders, quants, and technology teams to enhance execution performance. Build solutions for trade monitoring, reconciliation, and recovery. Implement automated testing and CI/CD best practices. What We’re Looking For: 10+ years' experience in low-latency Java … to a maximum of 2 days in the office per week, but flexible. If you're an experienced Java Developer who has worked on low-latency trading systems, ideally within the equities or FX space, interested in a new role outside IR35 apply now, and I'll be More ❯

Low Latency Java Developer London (Hybrid) Contract Outside IR35 ~£800-£1,000 (potential flex for top candidates) Source Technology have multiple high-performance Java developer roles available on projects at a tier one investment bank across FX and Cash Equities. What You’ll Do: Develop and optimise ultra … low latency, high-throughput trading systems. Collaborate with traders, quants, and technology teams to enhance execution performance. Build solutions for trade monitoring, reconciliation, and recovery. Implement automated testing and CI/CD best practices. What We’re Looking For: 10+ years' experience in low-latency Java … to a maximum of 2 days in the office per week, but flexible. If you're an experienced Java Developer who has worked on low-latency trading systems, ideally within the equities or FX space, interested in a new role outside IR35 apply now, and I'll be More ❯

Low Latency C++ Developer - Algorithmic Trading Location: London Salary: Competitive Join Europe’s fastest growing algorithmic trading firm. Since skyrocketing in 2023 they have continued to be one of the top performing funds, returning upwards of 30% in 2024. The environment is collaborative, their approach is scientific and … the structure is flat, with no red tape and instant execution. You will be a key member of their Ultra Low Latency team, developing their cutting-edge low latency trading systems. You will handle design, development, validation, deployment, and production support of the firm’s trading … system constellation of market data handlers, trading gateways, trading platforms, and other systems surrounding it. Your present skill set: Excellent knowledge and experience in low latency Linux development using C++, STL and Boost Experience designing and implementing multithreaded and distributed systems Familiar with distributed network architecture Experience with More ❯

Low Latency C++ Developer - Algorithmic Trading Location: London Salary: Competitive Join Europe’s fastest growing algorithmic trading firm. Since skyrocketing in 2023 they have continued to be one of the top performing funds, returning upwards of 30% in 2024. The environment is collaborative, their approach is scientific and … the structure is flat, with no red tape and instant execution. You will be a key member of their Ultra Low Latency team, developing their cutting-edge low latency trading systems. You will handle design, development, validation, deployment, and production support of the firm’s trading … system constellation of market data handlers, trading gateways, trading platforms, and other systems surrounding it. Your present skill set: Excellent knowledge and experience in low latency Linux development using C++, STL and Boost Experience designing and implementing multithreaded and distributed systems Familiar with distributed network architecture Experience with More ❯

With a growing FX trading franchise, a Global Investment Banking Firm seeks an experienced Front-Office Low-Latency Java Technical Lead. Key elements of the role include developing low-latency pricing, RFQ, and risk management applications, and directly interacting with the Quants and Trading Teams. Key … experience and skills required include knowledge of Market Making trading, Algo Containers, Pricing algorithms, Low Latency Pricing applications, TC/IP, UDP, Zero Garbage Collection, Multi-Threading and concurrent Java Software. The role offers a good mix of business exposure and technical challenges. It also provides excellent work … life Balance and Flexibility. Permanent Hybrid Working 2 Days a month in the office - City Location Desired Skills and Experience Ultra Low Latency Java EFX FX McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. More ❯

With a growing FX trading franchise, a Global Investment Banking Firm seeks an experienced Front-Office Low-Latency Java Technical Lead. Key elements of the role include developing low-latency pricing, RFQ, and risk management applications, and directly interacting with the Quants and Trading Teams. Key … experience and skills required include knowledge of Market Making trading, Algo Containers, Pricing algorithms, Low Latency Pricing applications, TC/IP, UDP, Zero Garbage Collection, Multi-Threading and concurrent Java Software. The role offers a good mix of business exposure and technical challenges. It also provides excellent work … life Balance and Flexibility. Permanent Hybrid Working 2 Days a month in the office - City Location Desired Skills and Experience Ultra Low Latency Java EFX FX McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. More ❯

Ingenii Search are seeking a highly skilled C++ Developer with expertise in low-latency electronic trading systems to join a Equities Algorithmic Trading team on a contract. This role involves designing, developing, and optimising cutting-edge trading algorithms for high-frequency and low-latency execution. The … microstructure, a strong background in multi-threaded programming, and experience with performance optimisation at the hardware and software level. Duties: Design, develop, and optimize low-latency, high-throughput trading algorithms for equities. Implement and fine-tune high-performance C++ code for electronic trading strategies. Work closely with quants … traders, and infrastructure teams to improve execution quality and trading performance. Utilise profiling tools and performance tuning techniques to ensure ultra-low-latency execution. Monitor and troubleshoot live trading strategies in production. Background: Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, or a related field. More ❯

Ingenii Search are seeking a highly skilled C++ Developer with expertise in low-latency electronic trading systems to join a Equities Algorithmic Trading team on a contract. This role involves designing, developing, and optimising cutting-edge trading algorithms for high-frequency and low-latency execution. The … microstructure, a strong background in multi-threaded programming, and experience with performance optimisation at the hardware and software level. Duties: Design, develop, and optimize low-latency, high-throughput trading algorithms for equities. Implement and fine-tune high-performance C++ code for electronic trading strategies. Work closely with quants … traders, and infrastructure teams to improve execution quality and trading performance. Utilise profiling tools and performance tuning techniques to ensure ultra-low-latency execution. Monitor and troubleshoot live trading strategies in production. Background: Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics, or a related field. More ❯

is seeking a Senior Network Engineer to support a leading High-Frequency Trading (HFT) client. This is a high-impact role focused on Ultra-Low Latency (ULL) network engineering, working onsite at the client’s prestigious offices. 💡 About the Role You’ll work closely with traders, developers, and … optimisations . Network Automation training will also be provided—perfect for an engineer looking to move into next-gen network skills! 🎯 Key Responsibilities Deliver low-latency, high-performance network solutions for Market Data and HFT applications. Drive new Venue Onboarding projects across global markets. Engineer and optimize multicast … IOS-XR is highly advantageous. Solid background in Market Data , ULL Networking , and/or Multicast environments. Previous experience in a financial services or low-latency environment would be ideal. Eagerness to learn automation and modern DevNet practices. 🌟 What’s on Offer Base Salary : £80,000 per annum More ❯

is seeking a Senior Network Engineer to support a leading High-Frequency Trading (HFT) client. This is a high-impact role focused on Ultra-Low Latency (ULL) network engineering, working onsite at the client’s prestigious offices. 💡 About the Role You’ll work closely with traders, developers, and … optimisations . Network Automation training will also be provided—perfect for an engineer looking to move into next-gen network skills! 🎯 Key Responsibilities Deliver low-latency, high-performance network solutions for Market Data and HFT applications. Drive new Venue Onboarding projects across global markets. Engineer and optimize multicast … IOS-XR is highly advantageous. Solid background in Market Data , ULL Networking , and/or Multicast environments. Previous experience in a financial services or low-latency environment would be ideal. Eagerness to learn automation and modern DevNet practices. 🌟 What’s on Offer Base Salary : £80,000 per annum More ❯

with Instrumentation Platforms : Integrate the platform with Prometheus and Geneos for continuous monitoring, diagnostics, and system health checks. Development: Design and develop high-performance, low-latency E - FIC trading platforms . Implement market data feeds , pricing engines, and order execution systems. Optimize system performance to meet stringent latency and throughput requirements. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . Low Latency Development: Proven track record of building low-latency trading systems with nanosecond or microsecond-level precision. FIC … and LP connectivity . Networking: Deep knowledge of TCP/IP , UDP , multicast , and socket programming for high-speed communication. Messaging Systems: Experience with low-latency messaging technologies such as Solace . Advanced experience with FIX Engines/Routers (Raptor, Catalyst, Chronicle, or similar tools). Distributed Systems More ❯

with Instrumentation Platforms : Integrate the platform with Prometheus and Geneos for continuous monitoring, diagnostics, and system health checks. Development: Design and develop high-performance, low-latency E - FIC trading platforms . Implement market data feeds , pricing engines, and order execution systems. Optimize system performance to meet stringent latency and throughput requirements. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . Low Latency Development: Proven track record of building low-latency trading systems with nanosecond or microsecond-level precision. FIC … and LP connectivity . Networking: Deep knowledge of TCP/IP , UDP , multicast , and socket programming for high-speed communication. Messaging Systems: Experience with low-latency messaging technologies such as Solace . Advanced experience with FIX Engines/Routers (Raptor, Catalyst, Chronicle, or similar tools). Distributed Systems More ❯

Job Title: Senior Java Engineer – Low Latency Systems Location: London - 2 days onsite - six-month contract - Outside 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 … 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-Latency Engineering Experience Strong command of Java NIO, selectors, channels, and event loops Deep understanding of ByteBuffer usage, memory alignment, and More ❯

Job Title: Senior Java Engineer – Low Latency Systems Location: London - 2 days onsite - six-month contract - Outside 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 … 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-Latency Engineering Experience Strong command of Java NIO, selectors, channels, and event loops Deep understanding of ByteBuffer usage, memory alignment, and More ❯

Job Title: Senior Java Engineer – Low Latency Systems Location: London - 2 days onsite - six-month contract - Outside 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 … 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-Latency Engineering Experience Strong command of Java NIO, selectors, channels, and event loops Deep understanding of ByteBuffer usage, memory alignment, and More ❯

Senior Low Latency Developer, C++ - Crypto Quantitative Hedge Fund London, UK Our client are a global quantitative investment management firm that leverages advanced data analysis, research, and technology to develop and implement diverse investment strategies. Their team consists of experts from various fields, including engineering, computer science, and … on automation and systematic approaches to manage risk and deliver consistent returns across different markets and asset classes. They are looking for a senior low level C++ developer with expertise in low latency development, ideally in cryptocurrency markets or HFT. Responsibilities Pivotal role in enhancing market access … systems to meet the demands of low-latency and high-frequency trading in cryptocurrency markets. Work closely with traders and researchers to understand the unique requirements of cryptocurrency trading and provide timely feedback and innovative solutions. Collaborate with Linux administrators and network engineers to ensure optimal system setup More ❯

Senior Low Latency Developer, C++ - Crypto Quantitative Hedge Fund London, UK Our client are a global quantitative investment management firm that leverages advanced data analysis, research, and technology to develop and implement diverse investment strategies. Their team consists of experts from various fields, including engineering, computer science, and … on automation and systematic approaches to manage risk and deliver consistent returns across different markets and asset classes. They are looking for a senior low level C++ developer with expertise in low latency development, ideally in cryptocurrency markets or HFT. Responsibilities Pivotal role in enhancing market access … systems to meet the demands of low-latency and high-frequency trading in cryptocurrency markets. Work closely with traders and researchers to understand the unique requirements of cryptocurrency trading and provide timely feedback and innovative solutions. Collaborate with Linux administrators and network engineers to ensure optimal system setup More ❯

be deployed on alpha generating technology across both research infrastructure and execution. You will need to be able to demonstrate a strong background in low-latency systems/HFT and be comfortable utilising C++ and Python to produce idiomatic code in a large multi-author code base using … standardized tools. More experienced developers should also be able to demonstrate significant expertise in at least one niche area relevant to low-latency trading. Responsibilities You will build and enhance: • Low-latency trading software and hardware infrastructure • High-throughput research software and hardware infrastructure • Systems for More ❯

be deployed on alpha generating technology across both research infrastructure and execution. You will need to be able to demonstrate a strong background in low-latency systems/HFT and be comfortable utilising C++ and Python to produce idiomatic code in a large multi-author code base using … standardized tools. More experienced developers should also be able to demonstrate significant expertise in at least one niche area relevant to low-latency trading. Responsibilities You will build and enhance: • Low-latency trading software and hardware infrastructure • High-throughput research software and hardware infrastructure • Systems for More ❯

E-Trading applications. This role involves working closely with trading, front office, and research as part of a small team to develop and maintain low-latency pricing and connectivity systems. Working on FX and forward pricing engines, as well as the continuous introduction of the latest low-latency technology and architecture. The ideal candidate must have the following skills and qualities: Strong Java development skills, including experience with multi-threading. Experience in an E-Trading business and/or experience in high-performance/low-latency development. Highly motivated to work directly with … Investment Banking Experience, ideally in a Front Office team Happy to work 3 days per week in the office Desired Skills and Experience Java Low Latency Development Investment Bank EFX Rates Equities Threading Application programming Front Office McGregor Boyall is an equal opportunity employer and do not discriminate More ❯