1 to 25 of 48 Low Latency Jobs in the South East

Senior Java Engineer - Low-Level Systems | High-Performance Architecture | Hybrid London I'm working with a leading financial technology organisation building ultra-low latency systems at scale, and we're looking for a Senior Java Engineer with a strong grounding in low-level systems programming . This is an opportunity to join a high-calibre team … The systems you'll help build operate in the microsecond range and demand deep OS, networking, and concurrency knowledge . What You'll Be Working On: Designing and developing low-latency, high-throughput microservices in Java Building and refining core components of a proprietary event-driven framework Working closely with architects, FPGA and infrastructure engineers to optimise performance … a London office Excellent benefits: pension, medical, 27+ days leave, bonus Why This Role: This is a career-defining opportunity to work on some of the most cutting-edge low-latency systems in the industry. You'll be part of a team that values technical depth , innovation , and clean engineering , all while working on systems where every microsecond More ❯

Senior Rust Engineer - Low-Level Systems | High-Performance | Hybrid London I'm working with a leading financial technology organisation building ultra-low latency systems at scale, and we're looking for a Senior Rust Engineer with a strong grounding in low-level systems programming . This is an opportunity to join a high-calibre team of … The systems you'll help build operate in the microsecond range and demand deep OS, networking, and concurrency knowledge . What You'll Be Working On: Designing and developing low-latency, high-throughput microservices in Rust Building and refining core components of a proprietary event-driven framework Working closely with architects and infrastructure engineers to optimise performance across … a London office Excellent benefits: pension, medical, 27+ days leave, bonus Why This Role: This is a career-defining opportunity to work on some of the most cutting-edge low-latency systems in the industry. You'll be part of a team that values technical depth , innovation , and clean engineering , all while working on systems where every microsecond More ❯

About Us We are a fast-growing fintech company at the forefront of innovation in electronic trading, ultralow-latency software, and artificial intelligence. Our mission is to empower financial institutions with cutting-edge, scalable technology that delivers real-time insights and unmatched trading performance. From ultra-low latency trading platforms to intelligent decision-making systems powered by … thrives in a fast-paced environment and wants to work on complex, impactful systems used by traders and financial analysts globally. Key Responsibilities Design, develop, and maintain robust ultralow-latency applications for electronic trading systems. Build and optimise components for real-time data processing, order execution, and market connectivity. Collaborate with quants, traders, and data scientists to integrate AI … containerization (Docker, Kubernetes). Exposure to functional programming concepts (e.g., F# or other paradigms). Background in financial markets, derivatives, or algorithmic trading. Knowledge of data structures, networking, and low-latency optimisation techniques. Why Join Us? Work on mission-critical fintech systems used in global markets. Collaborate with a world-class team of engineers, quants, and AI researchers. More ❯

range of perks and benefits. As a C++ Developer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, 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 low latency - 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 12 month Fixed Term Contract. About you: You have C/C++ development skills on Windows More ❯

of perks and benefits. As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, 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 low latency - 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 12 month Fixed Term Contract. About you: You have C/C++ development skills on Windows More ❯

culture of collaboration, innovation, and analytical rigor. Cross-Functional Collaboration: Work closely with Compliance, Risk, Operations, and Technology teams to ensure models meet regulatory standards and support high-throughput, low-latency trading systems. Stakeholder Engagement: Liaise with senior management, clearing counterparties, and regulators to provide insights on model performance, market trends, and risk exposures. Continuous Improvement: Monitor and … R, C++, or Matlab for model development and data analysis. Strong understanding of risk models (VaR, Expected Shortfall, SPAN) and financial market infrastructure. Familiarity with high-performance computing and low-latency systems is a plus. Regulatory Knowledge: In-depth understanding of financial services regulations, particularly those related to derivatives trading. Leadership and Communication: Exceptional verbal and written communication More ❯

culture of collaboration, innovation, and analytical rigor. Cross-Functional Collaboration: Work closely with Compliance, Risk, Operations, and Technology teams to ensure models meet regulatory standards and support high-throughput, low-latency trading systems. Stakeholder Engagement: Liaise with senior management, clearing counterparties, and regulators to provide insights on model performance, market trends, and risk exposures. Continuous Improvement: Monitor and … R, C++, or Matlab for model development and data analysis. Strong understanding of risk models (VaR, Expected Shortfall, SPAN) and financial market infrastructure. Familiarity with high-performance computing and low-latency systems is a plus. Regulatory Knowledge: In-depth understanding of financial services regulations, particularly those related to derivatives trading. Leadership and Communication: Exceptional verbal and written communication More ❯

culture of collaboration, innovation, and analytical rigor. Cross-Functional Collaboration: Work closely with Compliance, Risk, Operations, and Technology teams to ensure models meet regulatory standards and support high-throughput, low-latency trading systems. Stakeholder Engagement: Liaise with senior management, clearing counterparties, and regulators to provide insights on model performance, market trends, and risk exposures. Continuous Improvement: Monitor and … R, C++, or Matlab for model development and data analysis. Strong understanding of risk models (VaR, Expected Shortfall, SPAN) and financial market infrastructure. Familiarity with high-performance computing and low-latency systems is a plus. Regulatory Knowledge: In-depth understanding of financial services regulations, particularly those related to derivatives trading. Leadership and Communication: Exceptional verbal and written communication More ❯

services organisation operating in the oil and energy derivatives space. The business runs a cutting-edge electronic trading platform that serves both internal trading teams and external clients, offering low-latency, highly reliable trading access via a modern UI.We are looking for a self-starter who takes ownership of technical challenges and delivers robust solutions, with the ability … field 5+ years of experience in frontend/UI engineering, with a focus on performance and scale Deep expertise in React, TypeScript, and JavaScript Strong understanding of WebSocket integration, low-latency data streaming, and threading Experience troubleshooting data-heavy UIs and optimising load times Familiarity with tools like Redis, Kafka, and cloud platforms such as Azure or AWS More ❯

We are supporting a market leading provider of trading and liquidity services in their search for a Low Latency Linux engineer to optimise the internal and external trading infrastructure suite. The successful candidate will be enthused by the ongoing technical challenge posed by the evolution of the markets, client requirements and hardware. You will work with software engineers More ❯

We are supporting a market leading provider of trading and liquidity services in their search for a Low Latency Linux engineer to optimise the internal and external trading infrastructure suite. The successful candidate will be enthused by the ongoing technical challenge posed by the evolution of the markets, client requirements and hardware. You will work with software engineers More ❯

Engineer (NCE) to design and implement next-generation VXLAN EVPN-based data center networks that support hypercomputing and AI infrastructure. This role is central to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads. The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric … scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring maximum throughput and minimal jitter for GPU-accelerated clusters. •Configure underlay and overlay protocols including BGP, OSPF, IS-IS, and troubleshoot connectivity and control More ❯

Engineer (NCE) to design and implement next-generation VXLAN EVPN-based data center networks that support hypercomputing and AI infrastructure. This role is central to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads. The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric … scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring maximum throughput and minimal jitter for GPU-accelerated clusters. •Configure underlay and overlay protocols including BGP, OSPF, IS-IS, and troubleshoot connectivity and control More ❯

Engineer (NCE) to design and implement next-generation VXLAN EVPN-based data center networks that support hypercomputing and AI infrastructure. This role is central to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads. The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric … scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance for RoCEv2, GPUDirect, and low-latency traffic flows, ensuring maximum throughput and minimal jitter for GPU-accelerated clusters. •Configure underlay and overlay protocols including BGP, OSPF, IS-IS, and troubleshoot connectivity and control More ❯

are troubleshooting multicast flow issues in a server room or onsite at a global event. You'll work closely with our Senior Network Engineer to design, deploy, and support low-latency, high-bandwidth AV-over-IP systems, ensuring stability, visibility, and scalability across our networked media workflows. You'll also play a key role in supporting on-prem … Teams Product and engineering teams Reporting to: TechOps Director WHAT YOU'LL DO " Deploy and support time-synchronised AV-over-IP systems (e.g., Dante, AES67, PTP), ensuring accuracy and low-latency performance Troubleshoot complex issues across switching, routing, firewalling, transport layers, and AV-specific protocols in both on-prem and hybrid deployments (e.g. AWS) Advise on network best More ❯

achieves on a daily basis. · Design, build, and maintain efficient, reusable, and reliable Python code · Rapidly prototyping solutions to quickly prove/disprove new concepts · Design and implementation of low-latency, high-availability, and performant applications · Work directly with Risk analysts and Product owners to turn functional requirements into efficient and maintainable code · Ensure the best possible performance More ❯

a Service (IaaS) platforms. Experienced in developing and delivering production applications focusing on outstanding user experience. Familiarity with DevOps practices in a global setting. Familiarity with Golang. Experience building low-latency micro-services using Node.js and Express. Experience building large-scale applications for production. Blockchain experience is a plus, but not required (we will train you!) 6+ years More ❯

lifecycle: requirements gathering, coding, unit testing, code reviews, and second-line support Essential Skills & Experience Strong expertise in core Java APIs (collections, concurrency, NIO) Solid understanding of multithreaded systems , low-latency I/O , and Java garbage collection Familiarity with design patterns (Observer, Factory, Singleton) Proven experience in front office system architecture , particularly within algorithmic trading Business knowledge More ❯

and general networking Good understanding of networking (TCP and UDP) and multicast data delivery Good understanding of distributed server architectures running on Linux Highly Desirable Skills Understanding of ultra-low latency distributed computing environments. Familiarity with FIX trading protocol and market data systems. Previous experience with Fixed Income, Equities, Futures & Options Trading, Risk and Settlement Systems. Familiarity with More ❯

skills Hands-on experience with Agile, CI/CD, and automated testing Strong communication skills with the ability to work directly with Front Office stakeholders Experience supporting and implementing Low Latency Trading Systems This is an exciting opportunity to contribute to a front-office facing team , delivering business critical technology solutions in a fast-paced trading environment. Responsibilities More ❯

Expertise in identifying testing gaps, proposing enhancements, and fostering a culture of data quality and continuous improvement across teams. Familiarity with testing live video streaming solutions, focusing on performance, low latency, and seamless user experiences would be advantageous Our Tech Stack C Computer Vision: C+/20, Qt, Boost, ZeroMQ, ElasticSearch. Web: Java, Node.js, RESTful APIs, JUnit. General More ❯

technology. Key Responsibilities: Develop and optimize systematic, high-frequency trading strategies. Conduct quantitative research to uncover market inefficiencies and improve model robustness. Collaborate with engineering teams to build scalable, low-latency trading systems. Leverage machine learning and statistical methods to enhance signal generation and performance. Mentor junior researchers and foster a culture of technical excellence and collaboration. Who More ❯

technology. Key Responsibilities: Develop and optimize systematic, high-frequency trading strategies. Conduct quantitative research to uncover market inefficiencies and improve model robustness. Collaborate with engineering teams to build scalable, low-latency trading systems. Leverage machine learning and statistical methods to enhance signal generation and performance. Mentor junior researchers and foster a culture of technical excellence and collaboration. Who More ❯

technology. Key Responsibilities: Develop and optimize systematic, high-frequency trading strategies. Conduct quantitative research to uncover market inefficiencies and improve model robustness. Collaborate with engineering teams to build scalable, low-latency trading systems. Leverage machine learning and statistical methods to enhance signal generation and performance. Mentor junior researchers and foster a culture of technical excellence and collaboration. Who More ❯

platform, autonomous culture and hiring top talent. The firm empowers teams to operate with autonomy while leveraging industry leading scale and infrastructure. Engineers here work on cutting-edge problems—low-latency systems, hardware acceleration, machine learning—ensuring the platform remains best-in-class. You’ll join a quantitative research team in London as a Quantitative Developer - Python, focusing More ❯