+ benefits/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-lowlatency (<40s) Architect fault-tolerant, scalable trading systems Influence technical strategy, architecture, and product roadmaps Collaborate with multiple teams to deliver best-in-class E-trading platforms Ensure all solutions meet security, compliance, and performance … standards What You'll Bring Strong experience in software engineering, architecture, and database design Expert-level Java development, including low-GC and lock-free patterns Proven background in FX trading systems, pricing, and risk management Deep understanding of CPU architecture, cache optimisation, and Linux performance tuning Expertise in networking and messaging (TCP, UDP, Multicast, FIX) Knowledge of quantitative instruments More ❯
+ benefits/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-lowlatency (<40μs) Architect fault-tolerant, scalable trading systems Influence technical strategy, architecture, and product roadmaps Collaborate with multiple teams to deliver best-in-class E-trading platforms Ensure all solutions meet security, compliance, and performance … standards What You'll Bring Strong experience in software engineering, architecture, and database design Expert-level Java development, including low-GC and lock-free patterns Proven background in FX trading systems, pricing, and risk management Deep understanding of CPU architecture, cache optimisation, and Linux performance tuning Expertise in networking and messaging (TCP, UDP, Multicast, FIX) Knowledge of quantitative instruments More ❯
Leading institutional crypto trading firm who are growing their team in London and are looking for a low-latency Java developer to build their market making platform from scratch. You will be working alongside the trader and join as a key hire. The role covers from architecture to low-level development and is a unique opportunity to … Ready to apply Before you do, make sure to read all the details pertaining to this job in the description below. Requirements: 8+ years of hands-on experience developing low-latency trading systems using Java Experience with FIX protocol Prior experience with Crypto is a strong preference. Salary depends on experience. More ❯
technologists 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-lowlatency Java systems for electronic FX trading. Work closely with traders and quants to deliver performant pricing and hedging solutions. Lead components of system re-architecture and optimisation … network to 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 (FX or More ❯
partnered with a leading global Exchange that’s scaling out their core trading systems engineering team . They’re looking for an experienced C++ developer with deep knowledge of low-latency trading systems to help design and build next-generation trading gateways and matching engine infrastructure . What You’ll Be Doing Building and optimising low-latency … trading, exchange, or market data systems . Strong grasp of Linux internals (system calls, threading, IPC, sockets, schedulers). Experience working with FIX/ITCH/OUCH protocols and low-latency networking (TCP, UDP, Multicast). Good understanding of data structures, memory management , and optimising code for speed. Why It’s a Great Move You’d be joining More ❯
partnered with a leading global Exchange that’s scaling out their core trading systems engineering team . They’re looking for an experienced C++ developer with deep knowledge of low-latency trading systems to help design and build next-generation trading gateways and matching engine infrastructure . What You’ll Be Doing Building and optimising low-latency … trading, exchange, or market data systems . Strong grasp of Linux internals (system calls, threading, IPC, sockets, schedulers). Experience working with FIX/ITCH/OUCH protocols and low-latency networking (TCP, UDP, Multicast). Good understanding of data structures, memory management , and optimising code for speed. Why It’s a Great Move You’d be joining More ❯
team, and 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 … regulators . Ideal Candidate Profile 10+ years of engineering leadership experience , including senior management roles in trading, exchanges, or high-performance systems. Strong technical 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 More ❯
team, and 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 … regulators . Ideal Candidate Profile 10+ years of engineering leadership experience , including senior management roles in trading, exchanges, or high-performance systems. Strong technical 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 More ❯
team, and 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 … regulators . Ideal Candidate Profile 10+ years of engineering leadership experience , including senior management roles in trading, exchanges, or high-performance systems. Strong technical 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 More ❯
london (city of london), south east england, united kingdom
Wellesley
team, and 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 … regulators . Ideal Candidate Profile 10+ years of engineering leadership experience , including senior management roles in trading, exchanges, or high-performance systems. Strong technical 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 More ❯
and trading teams on mission-critical projects. This is a fantastic opportunity for an experienced Linux and infrastructure specialist to work at the forefront of HPC (high-performance computing), low-latency engineering, and large-scale systems . Key Responsibilities Manage and optimise large-scale Linux-based platforms for high-performance trading and research workloads. Design and implement workload … scheduling, high-performance file systems, and storage operations. Optimise hardware, networking, and kernel performance for low-latency and high-throughput environments . Partner closely with research and infrastructure teams to deliver scalable, reliable solutions. Drive automation using Terraform, Ansible, GitLab, Jenkins , and support SDLC best practices. Provide visibility and performance monitoring using Splunk, Prometheus, Grafana . Contribute to … Golang, or similar . Experience with metrics visualisation tools (Splunk, Prometheus, Grafana). Knowledge of containerisation and orchestration (Docker, Kubernetes). Experience in hedge funds, trading firms, or other low-latency/HPC environments is highly desirable. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Alexander Ash Consulting
and trading teams on mission-critical projects. This is a fantastic opportunity for an experienced Linux and infrastructure specialist to work at the forefront of HPC (high-performance computing), low-latency engineering, and large-scale systems . Key Responsibilities Manage and optimise large-scale Linux-based platforms for high-performance trading and research workloads. Design and implement workload … scheduling, high-performance file systems, and storage operations. Optimise hardware, networking, and kernel performance for low-latency and high-throughput environments . Partner closely with research and infrastructure teams to deliver scalable, reliable solutions. Drive automation using Terraform, Ansible, GitLab, Jenkins , and support SDLC best practices. Provide visibility and performance monitoring using Splunk, Prometheus, Grafana . Contribute to … Golang, or similar . Experience with metrics visualisation tools (Splunk, Prometheus, Grafana). Knowledge of containerisation and orchestration (Docker, Kubernetes). Experience in hedge funds, trading firms, or other low-latency/HPC environments is highly desirable. More ❯
london, south east england, united kingdom Hybrid / WFH Options
Alexander Ash Consulting
and trading teams on mission-critical projects. This is a fantastic opportunity for an experienced Linux and infrastructure specialist to work at the forefront of HPC (high-performance computing), low-latency engineering, and large-scale systems . Key Responsibilities Manage and optimise large-scale Linux-based platforms for high-performance trading and research workloads. Design and implement workload … scheduling, high-performance file systems, and storage operations. Optimise hardware, networking, and kernel performance for low-latency and high-throughput environments . Partner closely with research and infrastructure teams to deliver scalable, reliable solutions. Drive automation using Terraform, Ansible, GitLab, Jenkins , and support SDLC best practices. Provide visibility and performance monitoring using Splunk, Prometheus, Grafana . Contribute to … Golang, or similar . Experience with metrics visualisation tools (Splunk, Prometheus, Grafana). Knowledge of containerisation and orchestration (Docker, Kubernetes). Experience in hedge funds, trading firms, or other low-latency/HPC environments is highly desirable. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Alexander Ash Consulting
and trading teams on mission-critical projects. This is a fantastic opportunity for an experienced Linux and infrastructure specialist to work at the forefront of HPC (high-performance computing), low-latency engineering, and large-scale systems . Key Responsibilities Manage and optimise large-scale Linux-based platforms for high-performance trading and research workloads. Design and implement workload … scheduling, high-performance file systems, and storage operations. Optimise hardware, networking, and kernel performance for low-latency and high-throughput environments . Partner closely with research and infrastructure teams to deliver scalable, reliable solutions. Drive automation using Terraform, Ansible, GitLab, Jenkins , and support SDLC best practices. Provide visibility and performance monitoring using Splunk, Prometheus, Grafana . Contribute to … Golang, or similar . Experience with metrics visualisation tools (Splunk, Prometheus, Grafana). Knowledge of containerisation and orchestration (Docker, Kubernetes). Experience in hedge funds, trading firms, or other low-latency/HPC environments is highly desirable. More ❯
and evolution of its trading platform across cloud and on-prem environments. This is a senior technical leadership role with full ownership of infrastructure strategy, delivery, and scale across low-latency trading systems. This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. You’ll lead a … across cloud, on-prem and hybrid platforms Lead end-to-end AWS migration and modernisation strategy Build greenfield environments for trading and research workloads Design and operate highly available, low-latency global infrastructure Take ownership of Microsoft services, Active Directory and core networking Engineer secure connectivity across firewalls, routing and multi-site links Drive network security, segmentation and … 7+ years in infrastructure leadership within trading, market-making or high-performance engineering environments Strong AWS architecture and hybrid (cloud + on-prem) experience Deep networking background: routing, switching, low-latency connectivity Strong understanding of reliability engineering and autoscaling systems Prior experience building and scaling teams in high-performing environments Confident interacting with technical and trading leadership Core More ❯
and evolution of its trading platform across cloud and on-prem environments. This is a senior technical leadership role with full ownership of infrastructure strategy, delivery, and scale across low-latency trading systems. This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. You’ll lead a … across cloud, on-prem and hybrid platforms Lead end-to-end AWS migration and modernisation strategy Build greenfield environments for trading and research workloads Design and operate highly available, low-latency global infrastructure Take ownership of Microsoft services, Active Directory and core networking Engineer secure connectivity across firewalls, routing and multi-site links Drive network security, segmentation and … 7+ years in infrastructure leadership within trading, market-making or high-performance engineering environments Strong AWS architecture and hybrid (cloud + on-prem) experience Deep networking background: routing, switching, low-latency connectivity Strong understanding of reliability engineering and autoscaling systems Prior experience building and scaling teams in high-performing environments Confident interacting with technical and trading leadership Core More ❯
and evolution of its trading platform across cloud and on-prem environments. This is a senior technical leadership role with full ownership of infrastructure strategy, delivery, and scale across low-latency trading systems. This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. You’ll lead a … across cloud, on-prem and hybrid platforms Lead end-to-end AWS migration and modernisation strategy Build greenfield environments for trading and research workloads Design and operate highly available, low-latency global infrastructure Take ownership of Microsoft services, Active Directory and core networking Engineer secure connectivity across firewalls, routing and multi-site links Drive network security, segmentation and … 7+ years in infrastructure leadership within trading, market-making or high-performance engineering environments Strong AWS architecture and hybrid (cloud + on-prem) experience Deep networking background: routing, switching, low-latency connectivity Strong understanding of reliability engineering and autoscaling systems Prior experience building and scaling teams in high-performing environments Confident interacting with technical and trading leadership Core More ❯
london (city of london), south east england, united kingdom
Quant Capital
and evolution of its trading platform across cloud and on-prem environments. This is a senior technical leadership role with full ownership of infrastructure strategy, delivery, and scale across low-latency trading systems. This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. You’ll lead a … across cloud, on-prem and hybrid platforms Lead end-to-end AWS migration and modernisation strategy Build greenfield environments for trading and research workloads Design and operate highly available, low-latency global infrastructure Take ownership of Microsoft services, Active Directory and core networking Engineer secure connectivity across firewalls, routing and multi-site links Drive network security, segmentation and … 7+ years in infrastructure leadership within trading, market-making or high-performance engineering environments Strong AWS architecture and hybrid (cloud + on-prem) experience Deep networking background: routing, switching, low-latency connectivity Strong understanding of reliability engineering and autoscaling systems Prior experience building and scaling teams in high-performing environments Confident interacting with technical and trading leadership Core More ❯
C++ Engineer - Contract - 700-1000 Were 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 youll 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, BDD, automation frameworks). Building out options and derivatives functionality on a high-performance trading stack. What were looking for: 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 senior engineers. High visibility, high reward. 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, BDD, automation frameworks). Building out options and derivatives functionality on a high-performance trading stack. What we’re looking for: 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 senior engineers. High visibility, high reward. 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, BDD, automation frameworks). Building out options and derivatives functionality on a high-performance trading stack. What we’re looking for: 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 senior engineers. High visibility, high reward. 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, BDD, automation frameworks). Building out options and derivatives functionality on a high-performance trading stack. What we’re looking for: 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 senior engineers. High visibility, high reward. 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, BDD, automation frameworks). Building out options and derivatives functionality on a high-performance trading stack. What we’re looking for: 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 senior engineers. High visibility, high reward. More ❯
ideally more) and excellent knowledge of Python – ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity with some LowLatency experience. Job Overview You will work with the Product, Infrastructure and QA teams, to produce high performance, lowlatency and highly reliable code. Your goal More ❯
ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity with some LowLatency experience. Job Overview You will work with the Product, Infrastructure and QA teams, to produce high performance, lowlatency and highly reliable code. Your goal More ❯