26 to 50 of 107 Low Latency Jobs in the UK

Senior Full Stack Engineer – FX e Trading – London

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£750 - £900 per day
systems. You will partner closely with product, trading, and infrastructure teams to deliver features end-to-end—from UI and desktop container experiences to low-latency backend services. Lean into the latest AI coding tools to accelerate delivery, strengthen code quality, and enhance developer experience. 4 days onsite … real-time streaming. Build performant and accessible UIs with modular, reusable components; drive state management, data visualization, and UX for trading workflows. Optimize latency, throughput, and reliability across the stack; instrument observability (metrics, tracing, logging) and performance profiling. Establish engineering best practices: code standards, testing strategies (unit/integration ...

Production Support Engineer (Equities Electronic Trading)

Hiring Organisation
City Elite Transaction Services Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
income, and FX. You’ll work closely with traders, sales, technology teams, and vendors to ensure the stability, performance, and reliability of high-volume, low-latency trading systems. The role covers FIX connectivity, EMS/OMS platforms, market data, incident management, and change/release support, with … allocations, booking, reconciliations). Proficiency with observability tools (Grafana, Splunk, OpenText/SiteScope/OBM). Good communication, problem-solving, and troubleshooting skills in low-latency, high-volume trading environments. Python (plus Shell a bonus) Scripting knowledge and SQL is a plus. Preferred Qualifications: Bachelor’s degree ...

Solace Administrator

Hiring Organisation
BGC Group
Location
England, 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 ...

C++ Low-Latency Developer - Leading HFT Firm | London

Hiring Organisation
Selby Jennings
Location
Greater London, England, United Kingdom
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 ...

Software Engineer

Hiring Organisation
StreetID
Location
Greater London, England, United Kingdom
model developers to integrate risk models into production systems. Build robust data pipelines and interfaces for market data, trade data, and risk sensitivities. Ensure low-latency and high-throughput performance across the platform. Participate in architectural decisions for the evolution of the risk platform, including microservices, cloud migration … credit risk, or counterparty risk concepts. Experience with messaging systems (e.g., Solace, Kafka, or RabbitMQ) and distributed architecture. Solid understanding of multi-threaded and low-latency system design. Exposure to quant libraries, risk factor decomposition, or sensitivities is a strong plus. ...

Senior C++ Developer Low Latency - Learn Rust

Hiring Organisation
Client Server
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Senior C++ Developer/Engineer (C++ Rust Low Latency Trading) London/WFH to £180k+ Are you a Senior C++ Developer to progress your career and transfer your skills to Rust? You could be joining a hugely profitable High Frequency Trading firm that specialise in crypto markets ...

Senior Quantitative Developer

Hiring Organisation
Vallum Associates Limited
Location
London, United Kingdom
Employment Type
Contract
develop, and maintain high-performance trading, pricing, and analytics systems Implement quantitative models and strategies using C/C++ and Python Optimise applications for low latency, high throughput, and stability Work extensively in Linux environments , including automation via shell scripting Collaborate with quants, traders, and technology teams … development workflows Proven experience delivering mission-critical systems in financial services Desirable Skills Background in quantitative finance, trading systems, or capital markets Experience with low-latency architectures, multithreading, and concurrency Understanding of numerical methods, statistics, or financial models ...

Senior Software Engineer

Hiring Organisation
Fynity
Location
England, United Kingdom
Hybrid (1 day per week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work at the core of real … within a high-performing engineering team, 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 ...

Low Latency Java Developer

Hiring Organisation
Thomson Keene
Location
England, United Kingdom
knowledge is an essential for this role (flow and derivatives). Key tech experience requirements: Java programming, real time systems with an emphasis on low latency techniques Microservice architectures and grid computing React front end development or interactions with front end development teams ...

Senior Software Engineer - Quant Firm

Hiring Organisation
Dex
Location
England, United Kingdom
cares about nanoseconds, cache locality, and architecting petabyte-scale infrastructure, this is the pinnacle of technical challenge. What You’ll Work On Architect Low-Latency Infrastructure: Design and implement the critical path for trading execution, building order management systems and market connectivity layers where performance is measured … consistency for research teams. Operationalize Machine Learning: Bridge the gap between research and production by deploying complex ML models into live environments under strict latency constraints. Optimize the Stack: Go "close to the metal" to optimize performance across networking, I/O, and compute layers, squeezing maximum efficiency ...

Senior Java Engineer – Reactive (Spring WebFlux)

Hiring Organisation
Fynity
Location
England, United Kingdom
Hybrid (1 day per week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work at the core of real … within a high-performing engineering team, 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 ...

Senior/Lead Market Data Support Specialist

Hiring Organisation
IT Search & Select
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £105,000 per annum
supporting our enterprise market data platform across multiple Tier-1 banking clients. This is a hands-on, high-visibility role where you’ll troubleshoot low-latency data issues, optimise distribution flows, and work closely with traders, quants, and infrastructure teams to ensure seamless delivery of real-time … real-world usage. What You’ll Work On • Supporting and optimising real-time market data distribution (e.g., feed handlers, ticker plants, messaging layers) • Troubleshooting latency, connectivity, entitlement, and data quality issues • Working directly with front-office users, market data teams, and infrastructure engineering • Leading incident response and managing high ...

Junior Software Developer

Hiring Organisation
Platform Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £65000/annum
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++. The role: Write high-performance C++ code. Low-latency networking. Work on live projects from … GitHub/extensive examples of personal programming projects (C/C++ preferred) Genuine interest in technology! You will stand out if you have low-level personal projects (e.g., compilers, networks, OS...) You will not be considered if you do not have a portfolio/code examples to share ...

Senior Software Engineer

Hiring Organisation
Platform Recruitment
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£100000 - £350000/annum
with huge potential to increase Company : A proprietary trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Software Engineer with a demonstrable background of delivering complex projects from a concept through to delivery. It is important … role will require you to rapidly prototype - and ultimately move into production - highly complex, reliable and performant systems - oftentimes from scratch. Role : Develop ultra-low-latency trading systems C++ or Rust code Work closely with a close-knit team of Software Developers and Quant Traders Build mission-critical ...

Senior Software Engineer C++/ Rust

Hiring Organisation
Platform Recruitment Limited
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Permanent
with huge potential to increase Company : A proprietary high-frequency trading firm in Cambridge, specialising in the research and development of ultra-low-latency automated trading strategies, are looking for a Software Engineer with a demonstrable background of delivering complex projects from a concept through to delivery. … role will require you to rapidly prototype - and ultimately move into production - highly complex, reliable and performant systems - oftentimes from scratch. Role : Develop ultra-low-latency trading systems C++ or Rust code Work closely with a close-knit team of Software Developers and Quant Traders Build mission-critical ...

Senior Network Engineer

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £110,000 per annum
This is a key role with huge scope to learn new skills. Preferred candidates will have some previous Financial/Banking experience along with Low-Latency and Multicast. Over time, this may develop into a Team Lead or Managers role so any previous experience and the desire … experience (PIM, MSDP, IGMP) highly desirable though training will be provided. Experience with cloud providers or virtualisation technologies (e.g. VMware) desirable Experience working with low latency technologies/networks a strong advantage Linux administration skills are a bonus, with potential to collaborate with the Linux SA team ...

Python Engineer

Hiring Organisation
Realm
Location
England, United Kingdom
lifecycle infrastructure. This team owns systems that sit directly on the critical path of live markets. The mandate is to design, build, and operate low-latency, high-throughput trading services under strict performance and reliability constraints. You’ll be part of a small, senior-leaning engineering group responsible … systems handle real capital, real counterparties, and real-time failure scenarios . Python (~80%) – core services, orchestration layers, tooling, and system glue Rust (~20%) – latency-critical paths and performance-sensitive components Heavy use of: Concurrency & multithreading Network-level programming Distributed systems under load Engineers are expected to reason deeply ...

Senior PHP Developer

Hiring Organisation
Impellam Group
Location
England, United Kingdom
backend services and APIs in PHP with a strong focus on performance, scalability, and reliability . Drive profiling and tuning for high‐concurrency/lowlatency environments; lead efforts on caching, queues, and database optimisation. Implement best practices in security (including payment flows) and compliance (e.g. … ReactPHP/FrameworkX), custom libraries , and clean, testable design. APIs: RESTful services, two‐way integrations, robust error handling & retry/backoff. Performance: high concurrency, low latency, Redis caching, queues/delayed processing, microservices . Data: MySQL with indexing and query optimisation; profiling for throughput. [ Security & payments: network security ...

Senior Network Engineer : Trading Firm : CCDE/CCIE : £150-200k+

Hiring Organisation
Hunter Bond
Location
England, United Kingdom
Senior Network Engineer to work on it’s trading infrastructure. To apply, you will ideally be CCIE qualified with a strong background in low latency and multicast networks. Our client is a leading global market maker with an emphasis on technology to match. They seek an experienced profile … bleeding edge Cisco environment. What you'll be doing: Design, deploy and troubleshoot global network infrastructure Design industry leading networks Implement optimisations to build low latency network Work on network redesign, expansion and upgrade Support trading teams in relation to high frequency Automation, capacity planning and connectivity advancement ...

FPGA Engineer

Hiring Organisation
Christy Media Solutions
Location
England, United Kingdom
established technology business operating at the forefront of the audio technology space. They’re looking for an FPGA Engineer to help design ultra-low-latency audio platforms used in demanding live environments globally. What You’ll Be Working On Building FPGA-based audio engines focused on lowlatency and high accuracy Developing signal-processing features and audio routing solutions Designing and implementing communication between audio systems and external devices Writing clear, testable HDL and supporting software Verifying designs using simulation and industry-standard verification approaches Working closely with electronics and systems engineers to shape overall architectures ...

Senior Software Engineer (Rust)

Hiring Organisation
Understanding Recruitment
Location
United Kingdom
Senior Rust Engineer Up to 120,000 Remote (UK OR Germany) Low Latency | Async Rust | Tokio Drones We have a new and exclusive partnership with one of the most exciting scale-ups in Europe, who are looking to double in size their engineering team. They have a valuation … such as C, C++, or Core Java. Candidates from functional backgrounds such as Scala, Erlang or Clojure are also encouraged to apply. Experience developing low-latency, high throughput systems. Nice to have: Experience working with drones or robotics experience working with microcontrollers This is an excellent opportunity ...

Senior Software Engineer

Hiring Organisation
Formula Recruitment
Location
England, United Kingdom
exciting opportunity to join collaborative and innovative startup with opportunities for professional growth and learning. What You’ll Do Design and develop high-throughput, low-latency APIs using Go. Build and maintain real-time data ingestion and processing pipelines. Optimise backend services for scalability, reliability, and millisecond-level … real-time data systems. Familiarity with observability tools. Ability to write clean, maintainable, and well-documented code. Nice to Have Experience building high-throughput, low-latency APIs in Go. Knowledge of real-time data ingestion and streaming pipelines. Exposure to profiling and optimisation tools. Understanding of fault-tolerant ...

Computer Vision & SDK Development Lead

Hiring Organisation
YEO Messaging
Location
England, United Kingdom
vision-based features such as: Face detection/liveness detection Image validation and anti-spoofing Multi-signal identity verification (where applicable) Optimise performance for low latency, low power usage, and on-device processing Security, Quality & Performance Apply secure coding practices suitable for identity, authentication, or trust-based ...

Python Developer

Hiring Organisation
Radley James
Location
England, United Kingdom
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 ...

Quantitative Developer (Global Quant Trading Firm)

Hiring Organisation
Venture Search
Location
England, United Kingdom
collaborative setting Preferred Qualifications Experience in quantitative trading, market making, or financial technology Understanding of financial markets, derivatives, or market microstructure Experience with low-latency or performance-critical systems Knowledge of databases (SQL/NoSQL) and distributed systems Degree in Computer Science, Engineering, Mathematics, Physics, or a related ...