Senior Algo Developer (Java, LowLatency, FX) 1-year Contract - Inside IR35 - £920per day - Hybrid working/London Hawksworth are now recruiting for a Senior Java Developer with extensive experience with Front Office Algo Trading projects. The job: IT LowLatency Java Developer 1 year contract with potential for extensions Inside IR35 Rate £920 per day … to the Umbrella Company London Liverpool St location Hybrid working (x3 days on site x2 days working from home pw) This is a IT Low-Latency, Java Developer position working for the e-FX Desk where the team develops the pricing, hedging and low-latency order and price distribution team systems. We need someone for this … role role that has strong lowlatency , Java , Algo development experience. Someone who can show optimizing/lowlatency tuning and someone who has achieved lowlatency in the microseconds. EFX would be nice but we can accept other other asset classes experience. What you will need: Tenure as a Senior Java Developer - Essential More ❯
Senior Algo Developer (Java, LowLatency, FX) 1-year Contract - Inside IR35 - £920per day - Hybrid working/London Hawksworth are now recruiting for a Senior Java Developer with extensive experience with Front Office Algo Trading projects. The job: IT LowLatency Java Developer 1 year contract with potential for extensions Inside IR35 Rate £920 per day … to the Umbrella Company London Liverpool St location Hybrid working (x3 days on site x2 days working from home pw) This is a IT Low-Latency, Java Developer position working for the e-FX Desk where the team develops the pricing, hedging and low-latency order and price distribution team systems. We need someone for this … role role that has strong lowlatency , Java , Algo development experience. Someone who can show optimizing/lowlatency tuning and someone who has achieved lowlatency in the microseconds. EFX would be nice but we can accept other other asset classes experience. What you will need: Tenure as a Senior Java Developer - Essential More ❯
Investment Banking - LowLatency C++ Developer - financial markets/Linux/Scripting/lowlatency/TCP/IP PURPOSE AND SUMMARY We are looking for a C++ developer to be part of the lowlatency development team. The team provides industry leading low-latency trading services for our clients, utilizing FPGA … markets/clients Experience with order entry gateway development. Experience with market data Reasonable knowledge of Linux Some Scripting knowledge Interest and some knowledge of principles of developing for lowlatency Relationship Builder Ability to work under pressure to meet targets Understanding of TCP/IP protocol a plus Permanent role - hybrid working - Central London based By applying More ❯
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 LowLatency 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-lowlatency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain lowlatency 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-lowlatency 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 ❯
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 LowLatency 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-lowlatency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain lowlatency 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-lowlatency 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 ❯
LowLatency Java Developer - FX options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief Our client is seeking a LowLatency 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-lowlatency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain lowlatency 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-lowlatency 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 ❯
LowLatency Java Developer - FX options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief Our client is seeking a LowLatency 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-lowlatency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain lowlatency 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-lowlatency 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 ❯
Job Title: Senior eFX LowLatency Java Developer Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert in lowlatency trading systems. This is a hands-on development role focused on building and optimizing pricing, hedging, and market connectivity systems for the … trading . You'll work closely with Java and C# developers, business analysts, project managers, and QA teams to deliver high-performance solutions. A strong understanding of FX trading, lowlatency architecture, and compliance within a trading environment is required. This is a hybrid position , requiring 3 days per week in-office at our location near Liverpool Street … Station in London. Key Responsibilities Design and develop lowlatency pricing and trading systems using Java. Collaborate with Front Office and IT teams to prototype and deliver analytics and algorithmic trading solutions. Analyse and optimize performance in high-frequency trading environments. Contribute to all phases of the development lifecycle: design, specification, testing, deployment, and support. Provide 3rd line More ❯
Job Title: Senior eFX LowLatency Java Developer Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert in lowlatency trading systems. This is a hands-on development role focused on building and optimizing pricing, hedging, and market connectivity systems for the … trading . You’ll work closely with Java and C# developers, business analysts, project managers, and QA teams to deliver high-performance solutions. A strong understanding of FX trading, lowlatency architecture, and compliance within a trading environment is required. This is a hybrid position , requiring 3 days per week in-office at our location near Liverpool Street … Station in London. Key Responsibilities Design and develop lowlatency pricing and trading systems using Java. Collaborate with Front Office and IT teams to prototype and deliver analytics and algorithmic trading solutions. Analyse and optimize performance in high-frequency trading environments. Contribute to all phases of the development lifecycle: design, specification, testing, deployment, and support. Provide 3rd line More ❯
Employment Type: Full-Time
Salary: £150,000 - £160,000 per annum, Inc benefits
Senior LowLatency Java Engineer (SVP) This is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to lead applications systems analysis and programming activities. The role is to provide senior, low-latency systems and application … enablement group of Subject Matter experts - who produce application frameworks and engage with application engineers to enable application Modernisation to over 100 teams across Citi with a concentration on lowlatency eTrading platforms in Markets Technology. Responsibilities: 90% hands in the Java codebase. We build microservices based event sourcing systems on a lowlatency in-house … and enhance processes Analyse complex business processes, system processes, and industry standards to define and develop solutions to high level problems Provide world class expertise in area of Java lowlatency development. Utilize advanced knowledge of supported main system flows and comprehensive knowledge of multiple areas to achieve technology goals Consult with end users to identify system function More ❯
Platforms Specialist Linux LowLatency TurleyWay are pairing with a globally renowned Quantitative trading firm to support them in growing their ultra-lowlatency team. Supporting this teams cutting edge technology and business critical infrastructure . The firm are well established and in a growth phase. Today, the firm has more than 1,500 people around … the globe and have an expansive technology team. This company are looking for a highly talented LowLatency Platform Engineer to provide solutions and support across global sites. You will be responsible for project delivery, high level support escalations, automation, Platform security, and capacity management for the lowlatency infrastructure. What theyre looking for: Bachelors degree … related subject 5+ years of experienceworking with Linux in a large complex environment with the following areas of focus: operations, systems engineering and systems performance. Server Management and Support. Lowlatency network interfaces and kernel bypass. Ideally experience with Solarflare with onload and Mellanox with VMA. System hardware/OS tuning and performance troubleshooting. Experience with Automation tooling More ❯
C++ Developer - LowLatency, C++, FPGA, Linux, Market Data Systems, Order Entry Gateway Development, TCP/IP Protocols, Scripting Languages Role Overview: Join a high-performing lowlatency development team focusing on C++ components. The team specializes in delivering low-latency trading services using advanced technologies. Required Skills and Experience: Extensive C/C++ … development experience Familiarity with financial markets and order entry gateway development Knowledge of market data and Linux systems Scripting experience is a plus Interest in lowlatency development principles Understanding of TCP/IP protocols is advantageous London/Contract/Hybrid Working By applying to this job you are sending us your CV, which may contain personal More ❯
Greater London, England, United Kingdom Hybrid/Remote Options
Hunter Bond
C++ Developer – Ultra-Low-Latency Systems 📍 Location: London (Hybrid) 💷 Compensation: Up to £180,000 + Bonus + Benefits 💻 Experience: 1+ Year(s) 🚀 The Opportunity Are you passionate about speed, precision, and systems-level engineering ? Join a leading buy-side firm as a C++ Developer , building ultra-low-latency trading platforms that operate at the microsecond scale … bleeding edge of technology, tackling complex challenges across live trading systems that demand maximum performance, reliability, and scalability. 🔧 What You’ll Be Working On 🛠 Designing and optimizing ultra-fast, low-latency trading infrastructure 🧬 Fine-tuning performance at the CPU, cache, and memory levels 📈 Engineering high-performance data structures and algorithms 🧩 Diagnosing and resolving bottlenecks throughout the software and … with a performance-first mindset 🧠 Deep understanding of computer architecture , CPU internals, and memory hierarchy 🔄 Hands-on experience with multi-threading, concurrency , and scalable system design ⚙️ Background in low-latency, real-time, or trading systems is a strong plus 🌟 Why Join 🎯 Immediate Impact: Your code directly drives global trading performance 🧪 Innovation-Driven Environment: Work on advanced optimization and More ❯
London, South East, England, United Kingdom Hybrid/Remote Options
Harnham - Data & Analytics Recruitment
eFX Software Engineer (Ultra-LowLatency 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 ❯
My client is seeking an experienced FX Java Developer to join their Front Office technology team, working on low-latency trading platforms and eFX systems . This role is critical to building and maintaining high-performance applications that support global FX trading, risk management, and market connectivity. Knowledge of FIX is required, knowledge of FX or similar lowlatency trading systems is desired. A high technical development ability in Java is also required. Familiarity with at least one delivery technique such as Agile, SCRUM, Kanban and similar would be a strong advantage. The position will also require a production stability-focused ethos and the ability to work to that goal with multiple teams, including liaising with … and ultimately P&L. Prototype solutions in a fast, agile manner with numerous demands from both Front Office and IT teams. Be comfortable performing analysis in a high frequency lowlatency environment. Participate in the development of all aspects of product delivery including design documents, functional specifications, unit testing and component build. Provide technical assistance and 3rd line More ❯
fast-paced, high-performance environments? Were partnering with a global investment bank thats building the next generation of its electronic trading platforms powering algorithmic trading, smart order routing, and low-latency execution across global markets. This is a chance to join an elite engineering team shaping the future of trading technology where microseconds matter and innovation directly impacts … to support well-being and balance. The Opportunity Youll join the Equities Cash Technology team a global group of highly skilled engineers and quants who design, build, and optimise low-latency electronic trading systems used across EMEA and beyond. Youll work hands-on with core Java frameworks, enhancing benchmark algo engines, smart order routing systems, and internal crossing … office teams. The Goal Design and deliver enhancements to algorithmic trading engines and supporting frameworks Collaborate with quants and traders to define and deliver trading logic Develop and optimise low-latency, high-throughput Java services Implement test-driven, automation-first development practices Provide mentorship and technical leadership to junior developers Support and troubleshoot live trading environments The Skills More ❯
Engineer – Market Connectivity You have strong core Java development with market connectivity experience You have strong experience with multi-threading, messaging & ZeroGC techniques You have experience of working on lowlatency trading systems You have good working knowledge of Bash Scripting & Linux You follow TDD/BDD and value the benefits of testing You know what good code … Science preferred or any STEM Minimum Java experience: 10 years Preferred Skills: TransFICC Experience, highly desirable Hot Code path optimization, Off-heap memory management techniques JVM internals, tuning for low-latencyLow-latency messaging & data structures, network protocols, network I/O in Java LMAX Disruptor, Multi-Reactor, Chronicle Queue/Map, Aeron/Agrona or More ❯
Platforms Specialist Linux LowLatency TurleyWay are pairing with a globally renowned Quantitative trading firm to support them in growing their ultra-lowlatency team. Supporting this teams cutting edge technology and business critical infrastructure . The firm are well established and in a growth phase. Today, the firm has more than 1,500 people around 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-40s 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 ❯
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 ❯
Hedge Fund - Senior C++ Quant Developer - Equities - Linux - Python - Data/Algos/Lowlatency Hedge Fund background essential C++ (Version 11 upwards), Linux, Python (nice to have). Trading systems experience - ideally experience working in the equities space. Ideally the technical has experience with algo implementation. Quantitative Developer - Equities Technology We are in search of a Quantitative … Developer to join our team who is passionate about designing, architecting, and implementing lowlatency C++ systems that are not only robust, resilient, and accurate, but also exceptionally fast. Our team works directly with the firm's central trading teams. By constructing and maintaining this high-performance infrastructure used by these teams, this developer will enable new trading More ❯
London, England, United Kingdom Hybrid/Remote Options
Citi
leading position in the financial market. The evolution of electronic trading and automation has changed the way that fixed income products trade forever; driving a need for real-time, lowlatency pricing, market making and risk technology. In this increasingly electronic and competitive landscape, Citi is key player due to its leading eTrading platform and investment in technology. … The FI eTrading team is at the forefront, by building high-performance lowlatency technology that supports the execution of billions of dollars of client trades every day. Our competitive advantage is our technology and having a platform that provides exceptional and dependable trading experience. If you have this kind of vision, capable of seeing ahead, of developing … Java, Java 8+ (or later), and relevant Java frameworks such as Spring Boot, Spring MVC, and Hibernate. Experience designing and implementing message-driven systems for reliable, asynchronous processing in low-latency, high-throughput, distributed environments. Extensive experience with Linux environments, including system administration, shell scripting, and performance tuning. Proficient in multithreading, concurrency and performance tuning Experience of the More ❯
programme is at an early stage, offering the chance to help shape architecture, performance, and design from the ground up. Join a team of experienced technologists delivering a modern, low-latency trading environment - all while working fully remotely from anywhere in the UK. Why This Role Stands Out * 💻 Fully Remote (UK) - No commute, no relocation - collaborate virtually with … team. * 🕓 12-Month Initial Contract - Long-term engagement with strong potential for extension. * 🚀 Greenfield Build - Influence architecture, design, and key technical decisions from the outset. * ⚙️ High-Performance Systems - Develop low-latency, multi-threaded Java components in a front-office trading environment. The Role As a Senior Java Developer , you'll design, develop, and optimise core components of a … a Java Developer in investment banking * 4+ years' experience working on FX Cash, Options, or E-Trading systems * Strong expertise in: o Core Java/Server-Side Java o Low-latency, multi-threaded programming o SQL and data modelling o Agile object-oriented design principles * Solid knowledge of FX cash products * Excellent communication and teamwork skills Desirable * Experience More ❯
highlights: The role sits within the Automated Market Making group, specifically on the hedging & pricing side of the algorithms. Strong Java skills are key, ideally with eTrading, algo trading, low-latency, or front-office experience. Lots of greenfield work: designing models, building new strategies, and contributing to the transformation of their pricing and hedging systems. Directly embedded with … the business, offering strong influence and visibility. Tech stack: Core Java (low-latency), KDB, Python Small, collaborative EMEA team (~10 in tech) with a lean, agile, dress-down culture. Key Requirements: Core Java experience - LowLatency E-Trading/Algo trading functional and technical knowledge More ❯
Job Title: Data Engineer - Crypto Market Data Infrastructure Contract Type: Time Type: Job Description: Build and operate a robust, low-latency, fault-tolerant market data platform that powers trading and analytics. Within our broader data engineering unit, you will champion standardization and reuse, delivering clean, consistent crypto market data and reusable APIs and blueprints that accelerate teams across … and harden it with redundancy, rigorous error handling, and validation to ensure reliability. Apply TDD and automation across ingestion, transformation, and storage. Develop monitoring and alerts for data quality, latency, and system health. Define reusable APIs, data contracts, and platform blueprints. Collaborate closely with fellow data engineers, developers, quants, and traders, sharing best practices, contributing to unit-wide standards … and ensuring seamless integration into execution and analytics systems. Continuously document and improve the stack. Main Responsibilities Data Engineering Market Data Design, build, and maintain a robust, low-latency, fault-tolerant market data pipeline. Aggregate order books, trades, and funding data from multiple crypto exchanges into a single standardized feed. Implement redundancy, error handling, and data validation mechanisms More ❯