26 to 50 of 107 Low Latency Jobs in London

Software Engineer – Low Latency/Trading Systems London | Office-Based | Permanent A high-performing proprietary trading firm is looking to hire a Software Engineer to join its core engineering team building the systems that power live trading across global electronic markets. This is a strong opportunity … tuning and continuous platform improvement. What You’ll Be Doing Develop and maintain core trading systems used across multiple asset classes Build high-performance, low-latency software in a production trading environment Work closely with quantitative researchers to support research and execution tooling Design scalable and resilient systems ...

their goals. Principal Java Engineer We are seeking an experienced and opinionated Principal Java Engineer to join our high-performing engineering team, working on low latency, high-throughput systems in the payments processing domain. This hybrid role is based in the UK or US and offers the opportunity … 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 Java. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with messaging standards ...

experienced Rust Developer to join its high-performance engineering team. In this role, you will play a key part in designing, developing, and maintaining low-latency, mission-critical trading systems. This opportunity offers the chance to work on highly complex technical challenges, optimise algorithms for speed and efficiency … engineers, quantitative analysts, and operations teams to deliver reliable solutions Contribute to system architecture and design, ensuring scalability, resilience, and efficiency Optimise applications for low latency, high throughput, and concurrent processing Troubleshoot and resolve complex technical issues within mission-critical systems Requirements Proven commercial experience in Rust development ...

experienced Rust Developer to join its high-performance engineering team. In this role, you will play a key part in designing, developing, and maintaining low-latency, mission-critical trading systems. This opportunity offers the chance to work on highly complex technical challenges, optimise algorithms for speed and efficiency … engineers, quantitative analysts, and operations teams to deliver reliable solutions Contribute to system architecture and design, ensuring scalability, resilience, and efficiency Optimise applications for low latency, high throughput, and concurrent processing Troubleshoot and resolve complex technical issues within mission-critical systems Requirements Proven commercial experience in Rust development ...

Title: Engineering Lead (C++) - Low Latency/Trading Systems Location: London (Hybrid) Overview Our client is a global fintech operating at scale across trading, risk, and market connectivity. They are hiring an Engineering Lead (C++) to take ownership of a business-critical platform sitting at the heart … time trading and risk management. This is not a pure management role. You will remain hands-on while leading the evolution of a complex, low-latency system that directly impacts trading performance. The Opportunity You will lead a team responsible for a real-time exposure and hedging platform ...

This Role? Leading global streaming/sports platform Real ownership of ML systems at scale (millions of users) Solving complex real-time + low latency AI problems The Company/Product You’ll be working on a cutting-edge platform transforming how fans experience live sport using … + personalisation Building solutions across Computer Vision, ML, and Generative AI Turning live video + sports data into real-time predictions and insights Designing low-latency, high-scale ML systems in production Driving end-to-end MLOps (CI/CD, monitoring, retraining, deployment) Integrating ML outputs into personalisation ...

lead the design, development, and optimisation of C++ software within our Linux-based timing systems. Day to day, you will: Design, build, and optimise low-latency, high-precision C++ at the heart of our timing products - code where performance, determinism, and jitter really matter Make architectural decisions … idioms and confident with C++20/23 features such as concepts, ranges, coroutines, and constant expressions (constexpr/consteval) A track record of delivering low-latency, performance-sensitive systems on Linux - production code where determinism, throughput, and tail latency matter Strong computer science fundamentals: data structures, algorithms ...

supporting all aspects of market data processing and trading activity. The environment is fast‐paced, collaborative, and highly technical, where code quality, performance, and low‐latency systems are top priorities. Engineers work across domains, contribute to architectural discussions, and help shape scalable, robust systems. We have partnered with … working in front‐office or trading‐technology environments, or on business‐critical systems Pragmatic, delivery‐focused mindset Commitment to high‐quality engineering practices and low‐latency, high‐performance systems Low‐ego, high‐performing self‐starter who values ownership, teamwork, and delivering commercial, pragmatic solutions As a long ...

supporting all aspects of market data processing and trading activity. The environment is fast‐paced, collaborative, and highly technical, where code quality, performance, and low‐latency 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 low‐latency, high‐performance systems Low‐ego, high‐performing self‐starter who values ownership, teamwork, and delivering commercial, pragmatic solutions Why Apply This ...

front-office role with immediate impact on PnL, collaborating closely with world-class quants, researchers, and technologists. Key Responsibilities Design and develop low-latency, high-throughput trading systems and research infrastructure Work closely with quantitative researchers to translate models into production-grade systems Optimise performance across distributed systems … algorithms, data structures, and system design Desirable Experience Exposure to systematic trading, quantitative finance, or data-intensive environments Experience with distributed systems, concurrency, and low-latency optimisation Familiarity with Linux-based systems and modern DevOps practices Why This Role? Work alongside some of the brightest minds in quantitative ...

systems driving millions of trading decisions daily across global markets. The successful candidate will join a highly collaborative engineering environment focused on building ultra-low latency, high-performance systems that directly impact trading performance. The engineering team develops software operating within the latency-critical layer … data handling, trading algorithms, execution systems, and advanced hardware integrations. Key Responsibilities Design, develop, test, deploy, and maintain high-performance C++ applications within a low-latency trading environment Build scalable and reliable software solutions for trading, execution, and hardware development teams Work closely with traders, quantitative researchers ...

markets, where performance is measured in nanoseconds and innovation drives competitive advantage. You'll be part of a team that designs and builds ultra-low latency trading systems deployed across global exchanges. Your work will directly impact trading performance, and you'll be empowered to push the boundaries … what's possible in software and hardware optimisation. Key Responsibilities Architect and implement high-performance C++ systems with extreme latency sensitivity. Optimise every layer of the stack - from CPU cache and memory allocation to kernel bypass and network I/O. Collaborate with traders, quants, and infrastructure engineers ...

Trading Support Engineer - Ultra Low Latency Trading Platform - Up to £75k + Bonus Support the biggest names in FX and Equity trading on the fastest proprietary OTC trading platform in the world today. You'll directly interact with Traders to troubleshoot and provide immediate fixes to complex technical … Python to be able to automate trading workflows. AWS exposure would be nice, but none of the critical trading infra is hosted here for latency reasons. You'll need at least 1-2 years supporting live trading environments. If this is in the FX or Equities world, even better. ...

critically significant component of our infrastructure that underpins secure authentication across to our customers.This is a rare opportunity to work on a high-performance, low-latency, and highly resilient system at scale, with direct impact on the security and reliability of financial services used globally.What … team of Senior Developers.* Own and evolve a custom-built application written in Go & Python, deployed in AWS, and crafted for sub-millisecond latency and 99.999% uptime.* Implement and optimize OAuth2 and OpenID Connect flows for secure, scalable authentication.* Collaborate with DevOps and Security teams to ensure robust observability ...

financial markets. They are seeking a C++ Market Access Developer to join a world-class engineering team responsible for building and evolving ultra-low latency systems that power global trading connectivity. In this role, you will work on the core infrastructure that connects internal trading systems directly … scripting Proven experience designing multithreaded and/or distributed systems Hands-on experience with trading gateways or market data feed handlers Strong understanding of low-latency system design and optimisation techniques Experience working with production-grade, high-availability systems Strong debugging skills in complex real-time systems Experience ...

that has been consistently voted as one of the UKs top employers. As a Java Developer you will design and develop complex real-time, low latency trading systems and execution services within a microservices environment. You'll focus on backend multi-threaded Java systems and will gain exposure … supportive Agile team. About you: You have advanced backend software engineering experience with Java You have experience of working on event driven, low latency systems (millisecond) You have experience with TDD, code quality and integration testing You have messaging experience (they use MQ) You have containerisation experience; they ...

team environment working on a Greenfield Market Data platform. The platform has been built with C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. You'll work across the full development lifecycle, from requirements and design through … good understanding of design patterns such as SOLID, DRY and KISS Design Principles You've worked on systems that require high throughput, low latency and scalability and understand the challenges involved (finance experience not required) You have strong experience of building APIs You have SQL experience You have ...

owning high‐performance, real‐time systems used directly in live environments. This role is firmly hands‐on and engineering‐driven. You’ll work on low‐latency, high‐throughput platforms that underpin pricing, eTrading, and market‐making workflows, with real ownership of core production infrastructure. The focus … systems running at scale. What You’ll Be Working On Designing, building, and supporting real‐time pricing, eTrading, and market‐making platforms Developing low‐latency, high‐throughput backend systems used in live production Owning and improving critical services and APIs with a focus on performance and reliability Collaborating ...

focus on Multithreading, Concurrency, and Asynchronous processing. Reactive Systems: Hands-on experience with Functional Reactive Programming (RxJava, Java 9 Flow API, or similar). Low Latency Messaging: Deep understanding of 60East AMPS , Kafka, or Solace. You should be comfortable with Pub/Sub, Point-to-Point, and durable … subscriptions. Middleware & Networking: Expertise in socket programming and optimizing low-latency network communication. Modern Stack: Spring IoC/MVC, SQL (Sybase/PostgreSQL), and a solid grasp of Linux internals. Rate: £625 per day (Umbrella/Inside IR35) Location: London (Hybrid) Duration: 6 Months (Initial) Ideal Candidate ...

understanding of data organisation, schema design, and performance implications of different architectural approaches. Build and operate solutions handling large-scale, high-frequency datasets, ensuring low latency, high throughput, and efficient memory usage. Analyse and optimise q queries, data models, and ingestion pipelines for both real-time and historical … Desirable/Nice-to-Have Skills Knowledge of inter-process communication mechanisms in kdb+ and integration with external systems. Experience tuning kdb+ systems for low latency and high availability. Familiarity with data quality checks, validation frameworks, and operational resilience patterns. Exposure to financial markets data (e.g., market data ...

Quant Developer (3–8 years of experience), you will Develop and build new high-performance trading systems from the ground up. Optimise low-latency execution and research infrastructure. Work closely with quantitative researchers to productionise strategies and improve performance. Key Requirements Bachelor’s degree in Computer Science, Mathematics … closely related field 3–8 years of experience in a relevant environment (systematic trading, HFT, or performance-critical systems) Strong proficiency in low-latency C++ development on Linux Solid understanding of data structures, algorithms, and system design Ability to work in a fast-paced, highly collaborative environment This ...

week onsite) Are you a senior/lead hands-on Engineer who thrives in Payments environments? Do you have a background in building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is a great opportunity to work with some of the worlds … their high-performing engineering teams, building asynchronous, message-driven systems designed for scale, resilience, and near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with non-blocking ...

Quantitative Developer - London/Remote 40+ leading quant firms seeking top-tier developers. Multiple immediate openings. What you'll do: Build low-latency trading systems and infrastructure Develop quantitative libraries and research platforms Optimize execution algorithms and risk systems Requirements: 2+ years quant dev or HFT experience Expert … C++/Python skills Financial markets and trading systems knowledge Our network: Pay: $180K-$2M+ based on experience Locations: London, Remote Focus: Ultra-low latency, systematic platforms, research infrastructure From prop trading tech to systematic fund platforms. Ready to build the future of trading? Apply now for confidential ...

working alongside a unique financial trading technology firm who are seeking 10+ Senior Java Developers to join their Core Development team and build out low latency systems. You absolutely have to have is a demonstrable interest in technology, precision, and technical excellence. Our client's mission is building … TDD. For the role of the Senior Java Engineer you will need the following skills: Strong knowledge of Core Java development, ideally in a low latency/real time environment Strong appreciation for all things TDD Join a team of phenomenally talented engineers who are passionate about ...

President in Cash Equities to deliver tailored electronic trading workflows and solutions for quantitative hedge fund clients. This role focuses on the management of low latency Direct Market Access (DMA) products and requires strong analytical skills, client interaction, and a minimum of 5 years in electronic trading. ...