1 to 25 of 125 Low Latency Jobs in the City of London

architecture, design, and development of scalable trading platforms and internal developer tools. Collaborate with quant researchers, traders, and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through … GCP, and Azure for compute, networking, and storage configurations. Familiarity with monitoring/logging tools (e.g., Prometheus, Grafana, ELK stack). Trading Systems & Finance: Solid understanding of trading infrastructure, latency optimization, execution systems, and market data feeds. Experience working in or with quantitative research, HFT, or hedge fund teams is highly desirable. Leadership: Proven experience managing and mentoring a More ❯

teamsBe a key player in implementing the best software development methodologies and approaches to your teams e.g. TDD, CI/CD, Agile, pair-programming. 💻 Tech Stack: Core Java, multithreading, low-latency systems, AWS/GCP, Docker, Kubernetes, TDD, Agile, CI/CD. Requirements:A degree in Computer Science or related field (Comp. Sci principles/theory are important … with Core Java development throughout your career working with microservices architecturesA track record of experience in a hands-on people management roleBONUS: A solid understanding of multithreading, concurrency, or low-latency programming is desired (not essential though!)A strong desire to work in a low-level Java environment (no frameworks like Spring) in public cloud environments (AWS More ❯

building and optimising our quant trading systems, backtesting infrastructure, and research tools. You will collaborate closely with quantitative researchers, traders, and engineers to translate complex financial models into scalable, low-latency trading solutions. Key Responsibilities: Develop and optimise high-performance trading systems in C++ and Python for algorithmic trading and execution. Implement, test, and deploy trading strategies based … develop efficient tools for data analysis, simulation, and strategy optimisation. Optimise market data pipelines and trade execution engines to improve performance and reduce latency. Ensure system reliability, scalability, and low-latency performance in a fast-paced trading environment. Utilise distributed computing and high-performance computing techniques to enhance algorithmic execution. Integrate with exchange APIs (REST/WebSocket/… systems. Experience working in a Linux environment, including scripting and automation. Bachelor’s, Master’s, or PhD in Computer Science, Mathematics, Engineering, or related fields. Preferred Qualifications: Experience with low-latency trading systems and high-frequency trading (HFT). Background in distributed computing, machine learning, or AI-driven trading models. Familiarity with cloud computing, Kubernetes, or containerised environments. More ❯

re seeking a high-performing KDB+ Developer to join a world-leading investment bank’s Front Office Quantitative Technology team in London . You will design, build, and optimise low-latency, high-performance time-series data systems used for real-time analytics , trading , and decision-making across global markets. This is a critical hire for an elite team … time market data ingestion, processing, and analytics. Collaborate directly with quant traders , quants , and front office technologists to build mission-critical trading systems. Optimise existing KDB+ databases for performance, latency, and storage efficiency . Design and implement solutions for tick data capture , data normalisation , and time-series analysis . Contribute to architectural decisions around data pipelines , streaming platforms , and … KX integration . Ensure high availability and reliability of market data infrastructure in high-pressure, low-latency environments . ✅ Required Skills & Experience 3+ years of hands-on commercial experience with KDB+/q in a front office or trading environment . Strong understanding of tick data , time-series databases , and real-time market data . Experience working with More ❯

Instrumentation Platforms : Integrate the platform with Prometheus and Geneos for continuous monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . FIC or similar business knowledge: Strong understanding of FIC markets Experience with FIX protocol , SBE Market Data Feeds (e.g., Refinitiv … Bloomberg), and LP connectivity . Real time Messaging Systems: Experience with low-latency messaging technologies such as Solace . Linux based systems, CI/CD pipelines, GitHub Actions, MyBatis, Maven Advanced experience with FIX Engines/Routers (Raptor, Catalyst, Chronicle, or similar tools). Distributed Systems: Experience with distributed computing , clustering , and scalability strategies . Soft Skills: Excellent More ❯

SQL and simple DDL operations. Excellent oral and written communication skills, ability to interact with business representatives. Desirable but not essential: Experience of any of the following: multi-threading, low-latency, high-throughput, high-resiliency applications Familiarity with middleware messaging frameworks, ideally Solace More ❯

time market data and fundamental data. Implement robust APIs and microservices to integrate trading systems, analytics platforms, and external data providers. Optimize performance and scalability of existing systems, ensuring low-latency trade execution and real-time risk monitoring. Collaborate with quants and traders to prototype and implement algorithms that enhance trading strategies and position management. Lead code reviews More ❯

profits The business is actively expanding as there is additional headcount for a number trade platform specialist Java Development with a focus on either/or Quantitative Development or low-latency performance optimization. You will be working on greenfield projects to build out and enhance their low latency trading systems. THE ROLE: Working in a fast … for a high-frequency, multi-exchange setup. You will focus on optimising every component of the trading stackincluding multi-threading, network communication, order processing, and execution logicto achieve ultra-low latency and high throughput. Robust monitoring, alerting, and performance tracking ensure system reliability. The team has deep expertise in trading protocols, messaging systems, network architectures, and concurrent computing … of trade metrics and strategy efficiency Engineer and optimise ultra-fast connections to trading venues, with a focus on throughput Design architecture capable of handling large volumes in a latency-sensitive environment Implement and manage high-performance messaging frameworks like Aeron and SBE Perform in-depth profiling and tuning to eliminate latency and optimise microsecond-level performance Develop More ❯

This is a chance to work with some of the brightest minds in quantitative finance on systems that process billions in daily trading volume. What You'll Be Building Low latency algorithmic trading platforms handling real-time market data Smart order routing systems and execution algorithms for global equity markets Quantitative models and analytical trading signals High-availability … you'll work directly with trading teams Strong focus on performance optimization, testing, and system reliability Highly Valued Experience Trading strategy development (benchmark tracking, liquidity seeking, dark pool algorithms) Low latency messaging platforms (Solace, 29West) Event-driven programming and publish/subscribe architectures Agile development methodologies About Them A truly global organisation operating from 60+ offices across More ❯

Scratch : You’ll have the autonomy to create an entire trading platform from the ground up, leveraging the firm’s core infrastructure while optimizing system performance for high-frequency, low-latency trading. Work with a Humble Leader : You’ll work closely with a brilliant PM who has a strong technical background (from reinforcement learning strategies to low-latency C++ coding) and a pragmatic, collaborative approach. This is someone who’s not only mastered complex trading strategies but is also focused on building a team that thrives on open communication and shared success. Exciting, Startup Vibe – Without the Risk : This is a rare blend of startup excitement backed by the stability of a firm with a … long track record of success in the global trading space. With multiple established offices around the world, the firm is known for its cutting-edge technology and a low attrition rate . No Tech Tests – Just Real Conversations : The process is designed to be a two-way street, with no leetcodes or timed tests. You’ll start with an More ❯

your needs. Due to continued growth, they are now looking for a mid-level, skilled C++ developer to join their team. The ideal candidate will have experience working with low-latency products and trading exchanges. Requirements: Bachelors or masters degree in computer science (or related field). 5+ years of professional software development experience. Proficient in C++ (Concurrent More ❯

Job Title: Core Java Developer – Ultra Low Latency Trading Systems Location: London Type: Permanent Overview: We are hiring a Core Java developer to join a high-performance trading team focused on eFX OR Crypto markets. This role requires deep technical expertise in ultra-low latency systems and a strong understanding of electronic trading environments. Key Responsibilities … Design and develop low-latency, high-throughput trading components Work closely with quant and trading teams to optimise execution performance Build and maintain messaging infrastructure using technologies such as Aeron, SBE, Disruptor, Chronicle, and FIX Tune the JVM for microsecond-level performance (0GC, CPU affinity, memory management) Contribute to architecture and design decisions for latency-sensitive services … Ensure code quality through rigorous testing, benchmarking, and profiling Required Skills & Experience: Strong Core Java expertise (JVM internals, multithreading, low-level concurrency) Demonstrable experience building systems with microsecond SLAs Prior experience in eFX or crypto trading platforms , particularly pricing or execution engines Familiarity with low-latency messaging libraries (e.g. Aeron, SBE, Disruptor) Solid understanding of network-level More ❯

through their contributions to the Ethereum blockchain and beyond. They seek a Software Engineer with a strong background in STEM and a passion for software development. While experience with low latency systems, algorithmic trading, or MEV is advantageous, a strong interest in these areas is essential. Their culture is fast-paced, collaborative, and encourages ownership from day one … including equity! You'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 ❯

Java Developer Join a fast-paced, high-performance FX trading firm in the heart of London. Specialising in delivering low-latency, high-throughput trading solutions to institutional clients across global currency markets. With a tech-first culture and a flat structure, engineers are empowered to innovate and take ownership of mission-critical systems. We are looking for a … Java Developer with strong multithreading and concurrency experience to join our Core Engineering team. You will work closely with quants, traders, and other developers to build and maintain ultra-low-latency trading applications and real-time market data systems. Key Responsibilities: Design and develop high-performance Java applications for FX pricing, trading, and risk. Optimise and maintain multithreaded … systems to support low-latency execution. Work with large-scale, high-throughput messaging systems (e.g., FIX, Kafka). Collaborate with cross-functional teams to deliver robust, scalable software solutions. Continuously improve performance, reliability, and observability of trading systems. Required Skills & Experience: Strong proficiency in Core Javam with a focus on multithreading and concurrency . Solid understanding of low More ❯

high-performance trading systems. This is a unique opportunity to work in a collaborative, fast-paced environment where technology and trading intersect. Responsibilities: Design, develop, and optimise high-performance, low-latency trading systems. Implement and enhance trading strategies and execution algorithms. Collaborate with traders and researchers to identify and deliver technology solutions that drive performance. Maintain and improve … and implementing the latest technologies. Requirements: Strong proficiency in modern C++ (C++17/20 preferred), with a deep understanding of object-oriented programming and multi-threading. Solid understanding of low-latency system design and performance optimisation. Experience with network programming, concurrency, and distributed systems. Strong analytical and problem-solving skills, with a passion for tackling complex technical challenges. More ❯

client is seeking a talented Quantitative Developer to architect a next-generation trading platform that powers sophisticated strategies in a high-stakes environment. If you’re passionate about building low-latency systems, mastering complex market dynamics, and thriving in a collaborative, tech-driven culture, this is your opportunity to shape the future of algorithmic trading. Responsibilities Design and … manual override circuit breakers for operational safety. Requirements 5+ years of experience in the financial industry, with at least 3 years in Java development. Expertise in designing and optimizing low-latency trading systems. Advanced proficiency in SQL for data management and analysis. Strong understanding of FX markets, including liquidity providers, market makers, and order-flow dynamics. In-depth More ❯

This Multi-Strategy and Diversified Hedge Fund, running Low to Higher Frequency Strategies across global liquid markets (including Equities, FX, Fixed Income, Commodities, and vanilla Derivatives (Futures and Options)). They now seek an experienced Technical Business, with a background as a Data Engineer, Software Developer/Engineer, skilled in both Python and SQL. Indicative Package Basic Salary ~£120k … life cycle Business Analysis for Front and Middle office technology projects, for both the Discretionary and Systematic businesses, including the likes of Big Data and ML/DL tech, Low Latency Market Connectivity, Market Data, OMS, Analytics, and Risk solutions. Structure and scope requirements into technical projects. Define the project scope, goals, stakeholders, milestones, dependencies and risks related More ❯

incidents, including root cause analysis and resolution. Monitor system performance and health using Prometheus and Grafana ; proactively identify and address anomalies. Configure and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable messaging. Collaborate with development and application support teams to troubleshoot message flow issues and integration problems. Perform capacity planning , scaling, and tuning of Solace … experience administering Solace PubSub+ messaging systems. Strong background in production support , preferably in a 24x7 enterprise environment. Experience working with distributed systems over WAN , with an understanding of networking, latency, and failover strategies. Solid experience with Prometheus and Grafana for system monitoring and alerting. Proficiency in troubleshooting message delivery, persistence, and topic routing. Experience with capacity management , performance tuning More ❯

fulfil a hands-on Lead role leading the next generation of Java Developers. They are looking for the following experience in Lead Java Developers: Core Java development Multithreading, concurrency, low latency Working in the financial sector e.g. FX, trading Building microservices in the cloud (GCP, AWS) with Kubernetes Product-led development – architecting, building and delivering Technical leadership: architectural More ❯

incidents and working on root cause analysis and long-term fixes Monitoring system health and performance with Prometheus, Grafana, and custom dashboards Optimising Solace across WAN environments for secure, low-latency message delivery Partnering with development and support teams to troubleshoot integration and message flow issues Driving capacity planning and performance tuning to stay ahead of demand Automating More ❯

ll join a core engineering team focused on building and maintaining high-performance services and tools that sit at the heart of a multi-strategy trading platform. From designing low-latency APIs to deploying cloud-native services, your work will directly influence the efficiency and stability of trading operations. This is a hands-on role suited for engineers More ❯

and futures markets using C++. Quantitative Model Implementation: Collaborate with quantitative researchers to translate mathematical models into robust, efficient, and scalable code. System Performance Optimization: Ensure high performance and low latency of trading systems through rigorous optimization and testing of C++ code. Backtesting and Simulation: Develop tools and frameworks for backtesting trading strategies and running simulations to validate More ❯

Java Developer/Backend Software Engineer/Developer WFH to £100k Are you a skilled Java Developer with low latency trading systems experience? You could be progressing your career at a global market data and trading platform provider for cryptocurrency markets. As a Java Developer you will develop, test and maintain high-quality, low-latency Java … times - please note: you must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbage collection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems) You … have strong design skills and can explain full system workflows and make recommendations for improvements to reduce latency and increase throughput You have experience with Spring framework and Java build tools such as Gradle/Maven You're comfortable working in a Linux environment You are collaborative and pragmatic with excellent communication skills What's in it for you More ❯

role, you’ll work on high-performance systems that power the real-time trading strategies. You’ll collaborate closely with traders, quants, and other engineers to build scalable, ultra-low-latency software that delivers real results. Key Responsibilities Design, develop, and maintain performance-critical C++ software for trading systems Optimize code for low-latency and high … experience with modern C++ (C++14/17/20) Strong understanding of algorithms, data structures, and multithreading Experience in performance optimization and systems programming Familiarity with Linux environments and low-level networking is a plus Ability to work autonomously and in a team Excellent problem-solving skills and a passion for clean, efficient code Prior experience in finance or More ❯

/Hybrid Skills: Linux, Terraform, Ansible, Chef, Puppet, Ansible, Kubernetes, Docker, CI/CD, Python The role: My client are seeking a knowledgeable Platform Engineer to work on their low latency Linux estate. The organisation are keen to find an Engineer with strong experience around Platform automation, particularly around Terraform/Ansible. The role sits between Platform Engineering More ❯