1 to 25 of 55 Permanent Low Latency Jobs in the UK excluding London

eFX Software Engineer (Ultra-Low Latency Java) Hybrid/Remote - London Up to £160,000 + Bonus + Benefits We're supporting a major financial services organisation hiring an eFX Software Engineer to build and optimise ultra-low-latency trading systems used across global FX markets. If you're a high-performance Java engineer who loves … solving complex technical challenges at scale, this is a standout opportunity. What you'll work on: Engineering sub-40μs latency eFX systems with high throughput and fault tolerance Designing real-time pricing, risk and trading components Evolving low-latency Java patterns (lock-free, low-GC, CPU/cache optimisation) Working closely with quants, traders, architects and … senior engineers Influencing technical strategy across distributed, performance-critical systems What we're looking for: Strong experience in low-latency Java within trading, eFX or electronic markets Deep understanding of networking (TCP/UDP/FIX), Linux tuning, performance profiling Background in designing high-performance architectures and distributed systems Strong grasp of FX pricing, risk, and trading workflows More ❯

C++ Low Latency Developer | Buy-Side | Relocation to APAC - Singapore/HK A leading buy-side firm is seeking a C++ Low Latency Developer to join its fast-paced trading environment. The ideal candidate will have strong experience developing high-performance systems within financial markets and a passion for optimization and low-level engineering. Key … Responsibilities Design, develop, and optimize low-latency C++ systems for trading applications. Collaborate with quantitative and infrastructure teams to improve performance and stability. Contribute to system architecture and scalability across global trading platforms. Maintain high coding standards, ensuring reliability and speed in production systems. Requirements 3+ years of professional experience in C++ development. Proven background in low-latency systems within financial services. Deep understanding of data structures, algorithms, and performance tuning. Experience in multi-threading, network programming, and Linux environments. Excellent problem-solving skills and attention to detail. Open to relocation to APAC (support provided for candidates from Europe/UK ). If you are interested in this exciting opportunity or would like to explore More ❯

We are hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems . This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services. You'll join a specialist engineering group designing fault-tolerant, sub-40μs latency pipelines, shaping architecture decisions and solving … complex technical challenges that require first principles thinking. What You'll Be Working On Designing and optimising high-performance Java services with lock-free, zero-allocation and low-GC approaches. Hardware-aware optimisation including CPU architecture, cache behaviour, kernel tuning, core pinning and memory layouts . Building and improving ultra-low-latency messaging pipelines (Multicast, TCP, IPC … system architecture and performance strategy. Driving technical direction and mentoring senior members of the team. What We're Looking For 10+ years professional engineering experience with core Java in latency-sensitive environments. Strong knowledge of: Ring buffers Off-heap/zero-allocation techniques IPC and high-performance networking Linux kernel optimisation Domain experience in eTrading, market-making, sports betting 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-low latency (<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 ❯

market-maker – meaning we are committed to providing competitive quotes that we are willing to both buy and sell. To do this successfully, we design and implement our own low latency technologies, trading strategies, and mathematical models. Our Founding Partners first conceptualized Akuna in their hometown of Sydney. They opened the firm’s first office in 2011 in … Akuna: We are seeking a Network Engineer III to join Akuna’s innovative and growing IT Infrastructure team. The ideal candidate is likely to have a strong background in low-latency IP networking and will play a key role in maintaining and optimizing our global trading infrastructure. This role requires both technical depth and independent decision-making — you … solve math and coding problems are essential functions of the role Qualities that make great candidates: 3–5 years of professional experience in IP networking, ideally with exposure to low-latency environments (trading, financial services, or similar) Bachelor’s degree in Computer Science, Information Systems, Network Design, or a related field Strong understanding of TCP/IP ,OSI More ❯

systems analysis, design, and development. Comprehensive knowledge of designing and building server-side C++ applications, ideally on RedHat 7 or later. Proven experience of developing large scale mission critical, low latency or fault tolerant systems. Experience of software development methodologies and working in a structured environment. Knowledge of financial services, derivatives or trading in an exchange, sell-side … or front office environment would be highly beneficial. Experience of developing low-level, high performance systems. Familiarity with Service Orientated Architecture, concurrency models and threading, multicast messaging or FIX message protocols would be advantageous. Key Skills: C++ (ideally version 17 or later), Red Hat Linux (ideally V7 or later), Low Latency/High Performance trading applications/ More ❯

first journey.This is a pivotal opportunity to shape the operational backbone of our cloud-native data services and pipelines-ensuring they are robust, scalable, and optimised for high-volume, low-latency performance.Like the modern Britain we serve, we're evolving. Investing billions in our people, data and tech to transform the way we meet the ever-changing needs … acumen and operational leadership. What you'll need Experience : Minimum 7+ years in data operations, data engineering, or Data SRE roles, with demonstrable experience running cloud-based, high-volume, low-latency data pipelines at scale. Cloud Skills : Advanced hands-on experience with major cloud platforms (Azure, AWS, GCP), including cloud-native data services, orchestration, monitoring, and automation. Proven More ❯

projects to join a high-performance team with a culture of knowledge sharing and collective growth. The business are well reputed for growing graduates internally, and for providing ultra-low-latency solutions using C++. The role: Write high-performance C++ code. Low-latency networking. Work on live projects from day one with a team to support … or related degree Must have a GitHub/extensive examples of personal programming projects (C/C++ preferred) Genuine interest in technology! You will stand out if you have low-level personal projects (e.g., compilers, networks, OS...) You will not be considered if you do not have a portfolio/code examples to share If you are interested learning More ❯

projects to join a high-performance team with a culture of knowledge sharing and collective growth. The business are well reputed for growing graduates internally, and for providing ultra-low-latency solutions using C++. The role: Write high-performance C++ code. Low-latency networking. Work on live projects from day one with a team to support … or related degree Must have a GitHub/extensive examples of personal programming projects (C/C++ preferred) Genuine interest in technology! You will stand out if you have low-level personal projects (e.g., compilers, networks, OS...) You will not be considered if you do not have a portfolio/code examples to share If you are interested learning More ❯

projects to join a high-performance team with a culture of knowledge sharing and collective growth. The business are well reputed for growing graduates internally, and for providing ultra-low-latency solutions using C++. The role: Write high-performance C++ code. Low-latency networking. Work on live projects from day one with a team to support … or related degree Must have a GitHub/extensive examples of personal programming projects (C/C++ preferred) Genuine interest in technology! You will stand out if you have low-level personal projects (e.g., compilers, networks, OS...) You will not be considered if you do not have a portfolio/code examples to share If you are interested learning More ❯

Proprietary HFT Location : Cambridge Pay : Up to £300,000 with huge potential to increase Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Software Engineer with a demonstrable background of delivering complex projects from a concept through to delivery. It is important that … cycle (SDLC), as this dynamic role will require you to rapidly prototype - and ultimately move into production - highly complex, reliable and performant systems - oftentimes from scratch. Role : Develop ultra-low-latency exchange connectivity layers using reliable C++ code Work closely with a close-knit team of Software Developers and Quant Traders Build mission-critical research systems from scratch More ❯

Proprietary HFT Location : Cambridge Pay : Up to £300,000 with huge potential to increase Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Software Engineer with a demonstrable background of delivering complex projects from a concept through to delivery. It is important that … cycle (SDLC), as this dynamic role will require you to rapidly prototype - and ultimately move into production - highly complex, reliable and performant systems - oftentimes from scratch. Role : Develop ultra-low-latency exchange connectivity layers using reliable C++ code Work closely with a close-knit team of Software Developers and Quant Traders Build mission-critical research systems from scratch More ❯

in the development, integration, and maintenance of the companys web and communication platforms Key Responsibilities - Lead the design and development of high-performance, secure communication systems in C#.NET - Build low-latency, high-volume data applications for real-time processing - Define and drive technical strategy aligned with business objectives - Oversee code quality, conduct reviews, and implement CI/CD … system reliability - Mentor developers and foster a culture of technical excellence Key Requirements - 10+ years of C#/.NET (Core/5+) development experience - Proven expertise in scalable, distributed, low-latency systems - Strong background in web applications, gRPC, Kafka/RabbitMQ, and multithreading - Solid understanding of performance tuning, security, and software architecture - Experience with WPF and design patterns More ❯

the development, integration, and maintenance of the company’s web and communication platforms Key Responsibilities - Lead the design and development of high-performance, secure communication systems in C#.NET - Build low-latency, high-volume data applications for real-time processing - Define and drive technical strategy aligned with business objectives - Oversee code quality, conduct reviews, and implement CI/CD … system reliability - Mentor developers and foster a culture of technical excellence Key Requirements - 10+ years of C#/.NET (Core/5+) development experience - Proven expertise in scalable, distributed, low-latency systems - Strong background in web applications, gRPC, Kafka/RabbitMQ, and multithreading - Solid understanding of performance tuning, security, and software architecture - Experience with WPF and design patterns More ❯

research-driven environment. What You’ll Do Train and fine-tune LLMs and ML models using standardised experiments and high-quality data. Build and improve LLM-based systems for low-latency RAG systems, intent detection, call scoring, and email classification. Support real-time inference infrastructure with ultra-low latency and detailed monitoring. Create and maintain evaluation More ❯

Senior FPGA Engineer | £100-130k | Cambridge This is an opportunity to join a global team developing ultra-low latency technology. You will oversee all aspects of FPGA system design, driving advancements to ensure my client maintains its technological advantage by building the next generation of infrastructure. Responsibilities as a Senior FPGA Engineer : Architecting and implementing RTL designs … on high-end FPGAs (Xilinx/Intel). Performing simulation, synthesis, P&R, and timing analysis for ultra-low-latency systems. Leading the definition of micro-architectures and verification environments. Driving technical excellence across the FPGA team through mentorship and code reviews. Collaborating with firmware, software and infrastructure teams to optimise full-stack performance. Requirements: 7+ years’ FPGA More ❯

a scalable, future-ready platform. Key Responsibilities: Design and develop modern, real-time React/Java applications for trading workflows Work closely with engineers to build robust, scalable, and low-latency systems Lead full-stack solution design, with a focus on backend performance, reliability, and system integration Translate business and technical requirements into cohesive system architectures Promote engineering … WebSockets, Web Workers, asynchronous data flow) Solid background in backend development, ideally with Java, REST APIs, and messaging frameworks Deep understanding of architecture and system design, including distributed and low-latency systems Ability to drive full-stack solutions, with a strong backend focus and solid UI fundamentals Demonstrated experience within a Rates or broader Fixed Income trading environment More ❯

looking for similar-minded entrepreneurs to join them on their current mission. You will be working to develop their core infrastructure in Rust . This will include enhancing their low-latency trading services and block building. Requirements: < 2 years experience developing with Rust (In production) Experience building distributed systems. Experience working with low-latency, concurrent systems. More ❯

scalability, and mentor a talented development team within a growing technology business. Key Responsibilities Lead the architecture and development of high-performance, secure systems using C#/.NET Build low-latency, scalable applications for real-time communication and data handling Define and implement coding standards, CI/CD pipelines and best practices Resolve complex technical issues to maintain More ❯

with a focus on TypeScript and full-stack development. Deep understanding of Agile delivery and software design principles (SOLID, design patterns). Proven track record of delivering production-grade, low-latency applications. Excellent communicator who can bridge business and technology discussions effectively. Analytical, proactive, and motivated by technical excellence and collaboration. Desirable Experience Experience in financial services or More ❯

directly shaping the integrity of global financial and crypto markets. 🔹 What you'll do Build and optimize real-time and batch surveillance algorithms Contribute to the design of scalable, low-latency systems Collaborate with quants, data scientists, and compliance experts Enhance and maintain a mission-critical global codebase 🔹 What they're looking for 5+ years' software engineering experience More ❯

directly shaping the integrity of global financial and crypto markets. 🔹 What you'll do Build and optimize real-time and batch surveillance algorithms Contribute to the design of scalable, low-latency systems Collaborate with quants, data scientists, and compliance experts Enhance and maintain a mission-critical global codebase 🔹 What they're looking for 5+ years' software engineering experience More ❯

directly shaping the integrity of global financial and crypto markets. 🔹 What you'll do Build and optimize real-time and batch surveillance algorithms Contribute to the design of scalable, low-latency systems Collaborate with quants, data scientists, and compliance experts Enhance and maintain a mission-critical global codebase 🔹 What they're looking for 5+ years' software engineering experience More ❯

directly shaping the integrity of global financial and crypto markets. 🔹 What you'll do Build and optimize real-time and batch surveillance algorithms Contribute to the design of scalable, low-latency systems Collaborate with quants, data scientists, and compliance experts Enhance and maintain a mission-critical global codebase 🔹 What they're looking for 5+ years' software engineering experience More ❯

directly shaping the integrity of global financial and crypto markets. 🔹 What you'll do Build and optimize real-time and batch surveillance algorithms Contribute to the design of scalable, low-latency systems Collaborate with quants, data scientists, and compliance experts Enhance and maintain a mission-critical global codebase 🔹 What they're looking for 5+ years' software engineering experience More ❯