1 to 25 of 109 Low Latency Jobs in the City of London

Senior Low Latency Developer

Hiring Organisation
Akkodis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
Low Latency Java Developer 12 months £(Apply online only) p/d inside IR35 Hybrid - 3 days p/w in Central London Our client is seeking a Core Java Low Latency Developer to support a major transformation of their distribution connectivity platform. Key Responsibilities Develop … optimise low-latency Core Java systems with microsecond-level performance focus Measure, analyse, and tune end-to-end latency Support migration from a legacy platform to a new low-latency architecture Build and maintain pricing distribution connectivity across venues Deliver significant FIX protocol integration work ...

Senior eFX Low Latency Java Developer

Hiring Organisation
Reed
Location
City of London, London, United Kingdom
Title: Senior eFX Low Latency 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 low latency trading systems. This is a hands-on development role focused on building … closely with Java and C# developers, business analysts, project managers, and QA teams to deliver high-performance solutions. A strong understanding of FX trading, low latency architecture, and compliance within a trading environment is required. This is a hybrid position , requiring 3 days per week in-office ...

Low-Latency Software Engineer : C++/Java : £150-200k+

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
partnering with a leading global trading firm to hire a Low-Latency Software Engineer. This is a rare opportunity to work on ultra-low-latency systems that process market data and execute trades at sub-millisecond speeds — the backbone of high-frequency trading and algorithmic strategies. … Role You’ll join a small, elite engineering team responsible for: Designing and implementing low-latency, high-throughput trading infrastructure in C++ and Java Optimising network protocols, messaging systems, and concurrency models for minimal latency Developing and maintaining real-time data feeds, order routing, and execution engines ...

Lead Java Developer | Low Latency Trading | London City

Hiring Organisation
SGI
Location
City of London, London, United Kingdom
Lead Java Developer | Low Latency Trading | London City Our client is a specialist engineering consultancy known for solving some of the most demanding performance challenges across financial markets and technology. Their teams design, build, and optimise high-throughput, low-latency systems used by global institutions where … reliability and speed are critical. They are now looking for exceptional Java Engineers with proven experience in building high-performance, low-latency systems . This role involves working on complex, business-critical projects where every microsecond matters . You’ll join a highly technical team known for solving ...

Java eTrading Strategist - Rates Front Office London

Hiring Organisation
McGregor Boyall
Location
City Of London, England, United Kingdom
high-performance Java systems for pricing and electronic execution across the bank's global Rates business. The Role You will design, build, and optimise low-latency Java components supporting real-time pricing, algorithmic execution, and market connectivity . Working closely with quants and traders , you'll transform quantitative … robust, production-grade trading applications. The role requires deep technical expertise and an interest in market microstructure and electronic execution dynamics. Key Responsibilities Engineer low-latency, multithreaded Java applications powering Rates pricing and execution. Partner with quants to integrate and enhance pricing models and execution algorithms . Develop ...

New Trading Team's 1st C++ Quant Developer | HFT

Hiring Organisation
Augmentti
Location
City of London, London, United Kingdom
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 ...

Head of eFX Engineering (Director) - Leading Investment Bank

Hiring Organisation
Nicoll Curtin
Location
City of London, London, United Kingdom
Director - Head of eFX - C++, Java, Python, FX, eFX, Low-latency, Trading, Front Office, Linux, Unix, Multithreading, Agile, DevOps, Cloud, Databases, Databricks, Kafka I am working with a leading Investment Banks which is looking for a Head of eFX (Director level) to join their Information Systems Department … will be working to develop and maintain an automated trading application. You'll work closely with the Traders and Sales to build a low latency, high-performance eFX electronic trading system including Real-time Pricing, Risk, Price Distribution, Algo execution, and various electronic trading workflows. Embracing a hands ...

Senior Low Latency C++ Engineer

Hiring Organisation
NJF Global Holdings Ltd
Location
City of London, London, United Kingdom
recruiting on behalf of a dominant High-Frequency Trading firm currently expanding their automated trading group. They are seeking a Senior Low Latency C++ Engineer to work on next-generation market-making and arbitrage strategies. The Role: You would be joining a high-P&L, cross-functional team … hiring for a start in London, Austin, New York, Miami , Singapore and Kong Kong depending on your preference and work authorization. Role: Low Latency C++ Engineer Domain: High-Frequency Trading (HFT), Market Making, Derivatives Arbitrage. Core Technical Competencies Language Standards: Expert-level Modern C++. Must demonstrate mastery ...

Low Latency Java Engineer

Hiring Organisation
Stanford Black Limited
Location
City of London, London, United Kingdom
Low Latency Java Developer - AVP London - 3 days in office up to £95,000 base Join a leading Fixed Income Trading team at an Investment bank to help redesign, rebuild and modernize their core rates trading platform. This area of the business are performing extremely well, seeing very … performance applications supporting various trading workflows. This project has multiple years of innovation and strategic development to be done. This is all done in low latency java, with latency at around 10 milliseconds. Requirements: 4+ years experience in Java Development Core Java, async programming, multi-threading Strong ...

Rust Developer | Crypto/Blockchain Trading Technology

Hiring Organisation
Selby Jennings
Location
City Of London, England, United Kingdom
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 … 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 ...

Java Developer - Low Latency

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Public Services. Consolidated revenues as of $13+ billion. DETAILED RESPONSIBILITIES- 12+ years of experience. - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers … into projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role is based in the UK or US and offers the opportunity to build … SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with ...

VP Java FX Strategist Global Markets London

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
rare chance to work at the heart of a cutting-edge FX franchise, owning key components across pricing, market-making, algorithmic trading and ultra-low-latency systems that run globally. You'll join a high-impact team responsible for all quant and technology elements of the bank … passes through this team. Work closely with trading, sales, quants and globally distributed engineering teams (London & Singapore) to deliver innovative, scalable and latency-sensitive solutions. ?? The Opportunity You'll join a high-impact team responsible for all quant and technology elements of the bank's electronic FX flows. From ...

eFX Java Developer Contract - 12 months Inside IR35

Hiring Organisation
CBSbutler Holdings Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£480 - £550 per day
Low Latency Java Developer - Contract Location: London - Hybrid 3 days per week in the office Duration: 12 months Rate: £480-£550 per day Inside IR35 Hiring for a Senior Java Developer with strong FX and low-latency experience to join an eFX Algo IT team. … across design, development, testing and release - Provide 3rd-line support and ensure production stability Skills and Experience: - Strong Core Java - FX background (essential) - Proven low-latency engineering skills - Hands-on with Agrona, ring buffers, UDP, LMAX Disruptor/Chronicle Queue - FIX protocol knowledge - UNIX experience - Agile delivery experience ...

Java Software Engineer

Hiring Organisation
OB Collective
Location
City of London, London, United Kingdom
Engineer with strong FIX API (server-side) expertise to join on an initial 3 month contract. This a key role working on high-performance, low-latency trading infrastructure used in live market environments. What You’ll Be Doing Design, develop, and maintain server-side Java applications … connectivity Build and support FIX API integrations with liquidity providers, banks, and trading venues Optimise systems for low latency, high throughput, and reliability Collaborate closely with trading, infrastructure, and QA teams Troubleshoot production issues and contribute to continuous system improvements Participate in architecture discussions and technical decision-making ...

Graduate Software Engineer

Hiring Organisation
Platform Recruitment
Location
City of London, London, United Kingdom
Graduate Software Developer - £75,000 Title : Graduate Software Developer (C++) Client : Cyber Security and Low-latency Networks Location : London, Cambridge or Remote (from the UK) Package : Up to £75,000 This is a fantastic opportunity for any genuinely passionate graduates/junior developers with a track record … 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++. You will join one of the most advanced engineering teams in the UK with one of the quickest progression ...

Lead Infrastructure Engineer

Hiring Organisation
Quant Capital
Location
City of London, London, United Kingdom
platform across cloud and on-prem environments. This is a senior technical leadership role with full ownership of infrastructure strategy, delivery, and scale across low-latency trading systems. This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering … hybrid platforms Lead end-to-end AWS migration and modernisation strategy Build greenfield environments for trading and research workloads Design and operate highly available, low-latency global infrastructure Take ownership of Microsoft services, Active Directory and core networking Engineer secure connectivity across firewalls, routing and multi-site links ...

Senior C# Developer - Head of Core Platforms | Hedge Fund | London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
supporting all aspects of market data processing and trading activity. The environment is fast‐paced, collaborative, and highly technical, where code quality, performance, and lowlatency systems are top priorities. Engineers work across domains, contribute to architectural discussions, and help shape scalable, robust systems. We have partnered with … critical systems Ability to lead by doing—hands‐on while guiding a team Pragmatic, delivery‐focused mindset Commitment to high‐quality engineering practices and lowlatency, high‐performance systems Low‐ego, high‐performing self‐starter who values ownership, teamwork, and delivering commercial, pragmatic solutions Why Apply This ...

Junior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
trading platform. As a Junior Java Developer, you will: Collaborate with a team of expert engineers to enhance and innovate trading solutions. Work on low-level Java development in a dynamic, high-performance environment. Gain exposure to Agile methodologies, CI/CD pipelines, pair programming and TDD. 💻 Tech Stack … Core Java, multithreading, low-latency systems, Docker, Kubernetes, TDD, Agile, CI/CD. Requirements: A degree in Computer Science or related field Junior level commercial hands-on experience with Core Java development. A solid understanding of multithreading, concurrency, or low-latency programming. A strong desire ...

Senior Software Engineer - C++, Python - Financial / Banking

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £120,000 per annum
ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, FIX Protocol and some Low Latency experience. Job Overview You will work with the Product, Infrastructure and QA teams, to produce high performance, low latency ...

Solace Administrator

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
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 … 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 ...

Systems/Infra/Platform Engineer - HFT/Quant Trading Systems (Rust/C++)

Hiring Organisation
Batonics AB
Location
City of London, London, United Kingdom
institutions across Asia, the U.S., and Europe. Our products deliver advanced market-microstructure analytics, backtesting, portfolio and risk tools, and formal verification for low-latency systems merging high-performance computing, AI, and frontier quantitative research. We have been almost doubling revenue every quarter, and need help on this … below is a plus but not neccessary: High-performance database systems & transactional correctness (isolation/serializability) Real-time data pipelines & market-data processing (ultra-low latency, burst tolerance) Performance/latency optimization to sub-millisecond: CPU cache/NUMA, SIMD, vectorization, I/O tuning Concurrency & memory ...

Quantitative Developer - eFX (Java)

Hiring Organisation
Selby Jennings
Location
City Of London, England, United Kingdom
meaningful change. Required Expertise: In-depth business knowledge of electronic trading systems, with a strong focus on eFX. Demonstrated experience in designing and implementing low-latency, high-throughput, event-driven platforms for algorithmic trading. Ability to collaborate closely with quantitative analysts to develop and integrate algorithmic trading models … associated controls. Skilled in producing comprehensive model documentation and working with governance and risk oversight teams. Advanced proficiency in Java, including techniques for low-latency development such as lock-free data structures and minimising garbage collection. Familiarity with messaging libraries and protocols such as Aeron, Kafka ...

Software Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
C++ Developer We are a fast-growing, technology-driven brokerage specialising in high-performance trading systems and low-latency market connectivity. Our team builds robust, scalable, mission-critical software that powers real-time trading across global markets. We are looking for a talented C++ Developer to join … requires strong problem-solving abilities, a deep understanding of modern C++, and a passion for writing clean, efficient code. Key Responsibilities Develop and enhance low-latency C++ applications for trading, market data, and connectivity Work with cross-functional teams to design and implement new system features Profile, debug ...

Sr. Java Developer- Front Office Applications

Hiring Organisation
Solytics Partners
Location
City of London, London, United Kingdom
months to 12 months (possibility of extension) Job Overview: We are looking for a Java Engineer to join a high-performing team building low-latency, mission-critical applications. This is a contract role offering the opportunity to work on real-time, high-throughput systems within a fast-paced … multithreading, and clean software design, with the mindset to thrive in high-pressure, performance-driven teams. Roles and Responsibilities: Develop and maintain high-performance, low-latency Java-based systems for front office trading or pricing platforms. Build reactive systems using Kafka Streams , Akka , Eclipse Vert.x , or Apache Flink ...