1 to 25 of 26 Low Latency Jobs in the South East

Senior Java Developer/Low-Latency Developer Central London - Hybrid - 3 days on site, 2 days remote Inside IR35 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIX protocol integration to join their FX Options technology team. You will play a hands-on role in modernising and … optimising the trading platform , delivering ultra-low latency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain low latency Java-based trading systems Implement and maintain FIX protocol connectivity for FX Options trading Work closely with Quants, Traders, and Risk teams to translate business requirements into high-performance solutions Take ownership … of the end-to-end performance of the platform , including debugging, tuning, and optimising for ultra-low latency Ensure adherence to best coding practices and provide technical leadership within the development team Collaborate with cross-functional teams on architecture, design, and deployment of trading solutions Required Skills 5-10 years' experience as a Java Developer in front-office More ❯

Low Latency Java Developer - FX options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIX protocol integration to join their FX Options technology team. You will play a hands-on role in modernising and optimising … the trading platform , delivering ultra-low latency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain low latency Java-based trading systems Implement and maintain FIX protocol connectivity for FX Options trading Work closely with Quants, Traders, and Risk teams to translate business requirements into high-performance solutions Take ownership of … the end-to-end performance of the platform , including debugging, tuning, and optimising for ultra-low latency Ensure adherence to best coding practices and provide technical leadership within the development team Collaborate with cross-functional teams on architecture, design, and deployment of trading solutions Required Skills 5-10 years' experience as a Java Developer in front-office or More ❯

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 ❯

order routing, and internal crossing strategies. The Role You'll work as a Core Java Developer within a high-performing Algo Engineering group, responsible for evolving a suite of low-latency, high-throughput trading engines that power the firm's EMEA and global electronic trading business. This includes delivery of key functional changes, performance optimisation, and close collaboration … resilience, and scalability Participate in peer reviews, mentoring, and agile ceremonies Required Skills & Experience Expert-level Core Java (collections, concurrency, NIO, memory management) Strong understanding of multithreaded systems and low-latency I/O Deep familiarity with design patterns (Observer, Factory, Singleton, etc.) Experience with TDD , GIT , Maven/Gradle , and continuous integration tools Confident communicator with experience 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 ❯

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 ❯

series data, backtesting, and quantitative research workflows. Familiarity with financial markets and trading systems. Strong communication skills with the ability to collaborate across research and technology teams. Exposure to low-latency or real-time systems. Experience with cloud infrastructure (AWS, GCP, or Azure). Familiarity with data engineering tools such as Kafka, Airflow, Spark, or Dask. Knowledge of More ❯

for upgrades of existing services.  Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low-latency...).  Coordinate and organise changes with external vendors, markets, ECNs.  Plan, schedule, implement and document the change activities.  Improve team documentation, keep it up-to-date and share More ❯

to ensure high data quality and reliability. Mentoring a small team of data engineers, driving excellence and continuous learning. Partnering with Data Science and BI teams to deliver reliable, low-latency data for analytics and reporting. What we're looking for: 5+ years' experience in data engineering, including technical or team leadership. Expertise in AWS (preferred) or Azure More ❯

is seeking a Lead Golang Developer Required Qualifications Experienced Golang developer with at least 7 years of hands-on expertise for backend development Strong experience in building high-performance, low latency backend services Experience with systems like Kafka Proficiency in working with PostgreSQL, MySQL and NoSQL databases (MongoDB, Couchbase) Relevant experience in development in following technologies: Restful Services More ❯

including sprint planning and retrospectives Maintain clear and comprehensive technical documentation Key Requirements: Strong expertise in Core Java, including multi-threading and concurrency demonstrating self-sufficiency Proven experience in low-latency systems, performance tuning, and network programming Familiarity with high-performance messaging systems Proficiency with profiling, benchmarking, and memory analysis tools Working knowledge of Linux/Bash scripting More ❯

a key role in shaping next-generation telecom and real-time communication platforms used in high-availability environments. Key Responsibilities: Architect scalable distributed systems with a strong focus on low-latency and high throughput. Build and optimise systems-level components using Rust, C++, C, or Java . Design and implement APIs and real-time communication protocols (SIP, VoIP More ❯

advocating for and mentoring other team members, promoting coding reviews, enforcing team conventions Track record in driving initiatives/projects amongst development teams and business stakeholders An understanding of low latency multi-threaded development techniques and memory footprint management Previous experience of the following would be beneficial: Understanding of authentication, authorization and endpoint security Exposure to CEP Engines More ❯

engineering group solving complex real-time communication challenges. Opportunity to work on both cloud and on-premise distributed systems. A role suited for engineers who love building robust , scalable , low-latency systems . Contact Claire at Jonothan Bosworth Recruitment Specialists today to learn more. MM_01_SRD _CE We are committed to diversity, inclusion, and equality. As an More ❯

that are deployed in labs worldwide. Key Responsibilities - Design, develop, and maintain backend services and desktop applications with C#/.NET - Work on performance-critical systems (concurrency, multithreading, and low-latency data flows - Collaborate across disciplines to integrate software with hardware, robotics, and automation systems - Provide technical leadership, mentorship, and input into architectural decisions Key Requirements - Expertise in More ❯

CD pipelines using GIT to ensure stable, reliable, and frequent model releases. Performance Engineering: Profile and optimise large-scale Spark/Python codebases for production efficiency, focusing on minimising latency and cost. Knowledge Transfer: Act as the technical lead to embed MLOps standards into the core Data Engineering team. Key Skills: Must Have: MLOps: Proven experience designing and implementing … to-Have/Desirable Skills DevOps/CICD (Pipeline experience) GCP (Familiarity with Google Cloud Platform) Data Science (Good understanding of math/model fundamentals for optimisation) Familiarity with low-latency data stores (e.g., CosmosDB ). If you have the capability to bring MLOps maturity to a traditional Engineering team using the MLFlow/Databricks/Spark stack More ❯

My client are quietly building one of the most technically ambitious crypto trading platforms in the hedge fund world: a fully systematic, low-latency, high-frequency architecture designed to dominate the world's most volatile, fragmented markets. This is crypto at hedge-fund scale, with real capital, infrastructure and impact on PnL. You'll sit shoulder-to-shoulder More ❯

experience with OpenCV, TensorRT, ONNX, or Triton . Proven expertise in object detection/tracking models such as YOLO, Deep SORT, DINOv2 , or similar. Experience with real-time or low-latency processing , multi-threaded programming , and performance tuning . Experience deploying and optimizing models on edge devices (Jetson, Coral, etc.). Demonstrated passion for research, innovation, and emerging More ❯

it all right here at Sky. What you'll do We are seeking a highly skilled Lead Machine Learning Engineer to advance our personalised recommendation systems by developing efficient, low-latency solutions that serve millions of users globally. The successful candidate will collaborate closely with data scientists, engineers, and product managers to design intelligent content recommendation mechanisms and More ❯

trading platform. This position is available fully remotely anywhere in Europe. Payment will be made via B2B contract. Your role as a Rust Developer will be: Building and designing low-latency trading systems and infrastructures. Improving performance and scalability of the trading infostructure The Team The team you will be joining is a very fast-paced team based More ❯