City Of London, England, United Kingdom Hybrid / WFH Options
McGregor Boyall
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, LowLatency 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 LowLatency Java EFX FX McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. More ❯
london (city of london), south east england, United Kingdom Hybrid / WFH Options
McGregor Boyall
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, LowLatency 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 LowLatency Java EFX FX McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. More ❯
Ethereum blockchain and beyond. They seek a Software Engineer with a strong background in STEM and a passion for software development. While experience with lowlatency systems, algorithmic trading, or MEV is advantageous, a strong interest in these areas is essential. Their culture is fast-paced, collaborative, and … ll play a crucial role in developing their core infrastructure, working closely with the founders and having significant autonomy and impact. Responsibilities: Enhance their low-latency trading infrastructure Optimise core engine performance and network infrastructure Develop new features focused on transaction efficiency and advanced trading systems Skills: Proficient … in Rust (or low-latency C++, looking for Rust exposure) Experience with latency-sensitive system development, multi-threaded coding, and scalable distributed systems) Familiarity with concurrency, OOP, database systems, and basic SQL Knowledge of Linux/Unix, AWS, Git, Docker, EVM, and blockchain fundamentals Apply now More ❯
london (city of london), south east england, United Kingdom
Selby Jennings
Ethereum blockchain and beyond. They seek a Software Engineer with a strong background in STEM and a passion for software development. While experience with lowlatency systems, algorithmic trading, or MEV is advantageous, a strong interest in these areas is essential. Their culture is fast-paced, collaborative, and … ll play a crucial role in developing their core infrastructure, working closely with the founders and having significant autonomy and impact. Responsibilities: Enhance their low-latency trading infrastructure Optimise core engine performance and network infrastructure Develop new features focused on transaction efficiency and advanced trading systems Skills: Proficient … in Rust (or low-latency C++, looking for Rust exposure) Experience with latency-sensitive system development, multi-threaded coding, and scalable distributed systems) Familiarity with concurrency, OOP, database systems, and basic SQL Knowledge of Linux/Unix, AWS, Git, Docker, EVM, and blockchain fundamentals Apply now More ❯
and more. You will be responsible for the deployment, and configuration of cutting-edge data centre technologies. This opportunity requires someone with experience in LowLatency Networks, Colo Infrastructure and Automation. What you'll be doing: Global WAN solutions Cloud connectivity Lowlatency networks, including layer … Automation tools, including Git, Python, Golang, Jenkins, Terraform and Ansible What you'll bring: Minimum CCNP qualified network engineer Experience using Routing protocols - BGP Lowlatency networks, including layer 1 switching History working with Cisco IOS-XR, Cisco NXOS, Arista EOS routers and switches (one or more of More ❯
london (city of london), south east england, United Kingdom
OpticoreIT
and more. You will be responsible for the deployment, and configuration of cutting-edge data centre technologies. This opportunity requires someone with experience in LowLatency Networks, Colo Infrastructure and Automation. What you'll be doing: Global WAN solutions Cloud connectivity Lowlatency networks, including layer … Automation tools, including Git, Python, Golang, Jenkins, Terraform and Ansible What you'll bring: Minimum CCNP qualified network engineer Experience using Routing protocols - BGP Lowlatency networks, including layer 1 switching History working with Cisco IOS-XR, Cisco NXOS, Arista EOS routers and switches (one or more of More ❯
performance, and talent development. With a global footprint and consistent year-on-year growth, they offer engineers a rare opportunity to build high-performance, low-latency systems at scale. They're now hiring a Lead Developer to manage a team of C++ engineers while remaining technically hands-on. … global Order Entry Gateways across multiple asset classes and venues. Oversee full engineering lifecycle: architecture, development, testing, and support. Drive delivery of robust, scalable, low-latency systems. Collaborate with trading, infrastructure, and operations teams globally. Key Requirements: Expert-level C++ and solid Python skills (10+ years). Deep … understanding of Linux, networking, and data structures. 5+ years leading technical teams or projects, in a trading or low-latency environment. If you're ready to take on a leadership role in a world-class trading environment, please send over your CV. More ❯
london (city of london), south east england, United Kingdom
Selby Jennings
performance, and talent development. With a global footprint and consistent year-on-year growth, they offer engineers a rare opportunity to build high-performance, low-latency systems at scale. They're now hiring a Lead Developer to manage a team of C++ engineers while remaining technically hands-on. … global Order Entry Gateways across multiple asset classes and venues. Oversee full engineering lifecycle: architecture, development, testing, and support. Drive delivery of robust, scalable, low-latency systems. Collaborate with trading, infrastructure, and operations teams globally. Key Requirements: Expert-level C++ and solid Python skills (10+ years). Deep … understanding of Linux, networking, and data structures. 5+ years leading technical teams or projects, in a trading or low-latency environment. If you're ready to take on a leadership role in a world-class trading environment, please send over your CV. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Client Server
a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and lowlatency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying … to AWS and requires high scalability and lowlatency - they currently handle 40 billion messages per day. Location/WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a More ❯
have superb opportunities to progress your career as the organisation grows. They seek a software engineer who is excited to architect, design, and implement lowlatency Java systems that are robust, resilient, accurate, stable, and blindingly fast. By building and maintaining this high-performance infrastructure, you will work … degree in computer science or a related field A strong background in data structures, algorithms, and object-oriented programming in Java Strong understanding of low-latency and real-time system design and implementation You’ll have experience within financial services - FX or payments industry experience would be highly More ❯
london (city of london), south east england, United Kingdom
Fimador
have superb opportunities to progress your career as the organisation grows. They seek a software engineer who is excited to architect, design, and implement lowlatency Java systems that are robust, resilient, accurate, stable, and blindingly fast. By building and maintaining this high-performance infrastructure, you will work … degree in computer science or a related field A strong background in data structures, algorithms, and object-oriented programming in Java Strong understanding of low-latency and real-time system design and implementation You’ll have experience within financial services - FX or payments industry experience would be highly More ❯
technology. With a strong in-house development culture and agile delivery mindset, the business is pushing boundaries in AI, machine learning, and high-performance, low-latency trading infrastructure. The 300-person technology team operates in a Scrumban framework and covers Cloud, DevOps, Cybersecurity, Software Engineering and more. In … this Kubernetes-focused role, you'll help build and scale a bare-metal HPC platform for a broad spectrum of use cases – from latency-sensitive trading to big data and analytics – with the opportunity to expand into cloud where appropriate. What you’ll do: Design and manage highly available … across multiple datacentres Collaborate with Linux, infrastructure, and SOC/CERT teams to secure and optimise bare-metal environments Support mission-critical workloads including low-latency trading systems, leveraging tools like Calico, OPA/Gatekeeper, and Kyverno for policy enforcement and security Replace legacy networking infrastructure with a More ❯
london (city of london), south east england, United Kingdom
Harrington Starr
technology. With a strong in-house development culture and agile delivery mindset, the business is pushing boundaries in AI, machine learning, and high-performance, low-latency trading infrastructure. The 300-person technology team operates in a Scrumban framework and covers Cloud, DevOps, Cybersecurity, Software Engineering and more. In … this Kubernetes-focused role, you'll help build and scale a bare-metal HPC platform for a broad spectrum of use cases – from latency-sensitive trading to big data and analytics – with the opportunity to expand into cloud where appropriate. What you’ll do: Design and manage highly available … across multiple datacentres Collaborate with Linux, infrastructure, and SOC/CERT teams to secure and optimise bare-metal environments Support mission-critical workloads including low-latency trading systems, leveraging tools like Calico, OPA/Gatekeeper, and Kyverno for policy enforcement and security Replace legacy networking infrastructure with a More ❯
continued operations of the network. Work with Arista, Fortinet, Cisco, Juniper and A10 network devices. Assist in building of new high-performing, highly resilient, low-latency networks in multiple regions. Ensure efficient deployment and standard configuration management through automation. Troubleshoot issues and handle incident escalations (occasionally out-of … expect an excellent salary and benefits package. My client is based in London, 3 days a week in the office Network Engineer, BGP, OSPF, LowLatency, Linux, FIX, Linux TT, RTS, Bloomberg, Scripting, Client Support, FIX Integration, Implementation, NYSE, FTSE, EUREX, ICE, Nasdaq LSE, LME More ❯
london (city of london), south east england, United Kingdom
Quant Capital
continued operations of the network. Work with Arista, Fortinet, Cisco, Juniper and A10 network devices. Assist in building of new high-performing, highly resilient, low-latency networks in multiple regions. Ensure efficient deployment and standard configuration management through automation. Troubleshoot issues and handle incident escalations (occasionally out-of … expect an excellent salary and benefits package. My client is based in London, 3 days a week in the office Network Engineer, BGP, OSPF, LowLatency, Linux, FIX, Linux TT, RTS, Bloomberg, Scripting, Client Support, FIX Integration, Implementation, NYSE, FTSE, EUREX, ICE, Nasdaq LSE, LME More ❯
plays a key role in supporting global financial stability and innovation. This role sits within a critical engineering function focused on building and maintaining low-latency, high-performance networks used by some of the world’s most important financial institutions. What They’re Looking For: Deep expertise in … BGP, OSPF, MPLS, VPN, GRE, NAT Familiarity with SDN, Cisco ACI, VxLAN, and data centre networking Knowledge of automation tools – Python, Ansible Exposure to low-latency networks in high-performance environments Comfortable working 3 days per week onsite in a central London office This is a fantastic opportunity More ❯
london (city of london), south east england, United Kingdom
Harrington Starr
plays a key role in supporting global financial stability and innovation. This role sits within a critical engineering function focused on building and maintaining low-latency, high-performance networks used by some of the world’s most important financial institutions. What They’re Looking For: Deep expertise in … BGP, OSPF, MPLS, VPN, GRE, NAT Familiarity with SDN, Cisco ACI, VxLAN, and data centre networking Knowledge of automation tools – Python, Ansible Exposure to low-latency networks in high-performance environments Comfortable working 3 days per week onsite in a central London office This is a fantastic opportunity More ❯
related field. Proven experience in software development using C++. Strong understanding of cryptocurrency exchanges and their APIs. Experience with high-frequency trading systems and low-latency programming. Excellent problem-solving skills and attention to detail. Ability to work independently in a fully remote environment. Strong communication and collaboration More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Selby Jennings
related field. Proven experience in software development using C++. Strong understanding of cryptocurrency exchanges and their APIs. Experience with high-frequency trading systems and low-latency programming. Excellent problem-solving skills and attention to detail. Ability to work independently in a fully remote environment. Strong communication and collaboration More ❯
london (city of london), south east england, United Kingdom Hybrid / WFH Options
Selby Jennings
related field. Proven experience in software development using C++. Strong understanding of cryptocurrency exchanges and their APIs. Experience with high-frequency trading systems and low-latency programming. Excellent problem-solving skills and attention to detail. Ability to work independently in a fully remote environment. Strong communication and collaboration More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Selby Jennings
related field. Proven experience in software development using C++. Strong understanding of cryptocurrency exchanges and their APIs. Experience with high-frequency trading systems and low-latency programming. Excellent problem-solving skills and attention to detail. Ability to work independently in a fully remote environment. Strong communication and collaboration More ❯
london (west end), south east england, United Kingdom Hybrid / WFH Options
Selby Jennings
related field. Proven experience in software development using C++. Strong understanding of cryptocurrency exchanges and their APIs. Experience with high-frequency trading systems and low-latency programming. Excellent problem-solving skills and attention to detail. Ability to work independently in a fully remote environment. Strong communication and collaboration More ❯
Requirements Bachelor's or Master's degree in Computer Science, Engineering, or relevant field experience. Proven experience building and maintaining high-concurrency, high-performance, low-latency trading systems. Strong proficiency in development and architecture of Rust systems. Node.js (JavaScript/TypeScript) and Python are nice to have. Proficient More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Reed Technology
clients. Day-to-day of the role: * Analyse, define, and implement test cases to ensure comprehensive testing of our products. * Become an expert in low-latency, high-performance software and hardware products. * Provide expert usage and technical support for our products to a specialised client base. * Contribute to More ❯
looking for: 10-15 years hands-on Java experience. Experience building FX trading applications. Experience within High Frequency Trading environments. Understanding of FIX protocol, LowLatency & binary protocols for market data. Benefits details: 25 annual leave days + bank holidays. Performance bonus (20%+) 5% non-contributory pension More ❯