76 to 100 of 171 Low Latency Jobs in London

Senior Software Engineer

Hiring Organisation
Cititec
Location
City of London, London, United Kingdom
systems to support high-performance trading environments. This is a senior, hands-on role for an engineer who wants end-to-end ownership — from low-level protocol integration through to distributed execution services and trader-facing tooling. What You’ll Be Doing Design and build core components … venue connectivity, and execution analytics. Implement and maintain FIX protocol and venue-specific integrations across exchanges, brokers, and liquidity providers in commodities markets. Develop low-latency, distributed execution services with a strong focus on correctness, resilience, and performance under load. Collaborate closely with traders, quants, and risk engineers ...

C# Developer - Front Office Engineering | Hedge Fund - London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
several years and have placed multiple engineers into the team, so can provide detailed insight into structure, expectations, and progression. The fund looks for low‐ego, high‐performing engineers who enjoy ownership, collaboration, and solving complex problems with pragmatic, commercial solutions. You’ll have direct interaction with PMs, quants … widely used across quant and data groups Open to candidates from other OO backgrounds (C++, Java, Go) with strong fundamentals Exposure to high‐performance, lowlatency, or business‐critical systems is valuable Financial markets experience is not essential, but interest in Fixed Income/Rates is beneficial Requirements ...

Senior Engineer, Trading Product Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
work demands absolute correctness in managing complex financial state transitions, translating intricate market structures into scalable solutions.What You'll DoDesign and deliver reusable, reliable, low-latency Java code that powers the Exchange.Raise the bar on code quality, organization, and automation as the system scales under load.Profile and resolve … project managers.What You'll BringStrong Java (17+) fluency with experience in performance tuning.Track record of designing and building systems for high throughput and low latency.Hands-on experience with agentic AI development: LLM integration, prompt engineering, and SDLC automation.Solid understanding of middleware and messaging technologies such as Chronicle Queue, RabbitMQ ...

Senior Software Engineer, XR

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
team best practices around performance‐aware, reliable, and testable software development. Success Metrics Consistent delivery of high‐quality, performant application features on schedule Smooth, lowlatency operator experiences in live site deployments Low defect rates in production releases across owned featuresPositive impact on team capability through mentoring ...

C# Developer - Top Market Maker - London

Hiring Organisation
Radley James
Location
London Area, United Kingdom
high-performance C# trading applications used by front-office teams Collaborate closely with traders and quantitative researchers to enable new trading strategies Build scalable, low-latency systems and data pipelines handling large volumes of market data Contribute across the full software development lifecycle, from design to production support ...

Software Engineer

Hiring Organisation
NJF Global Holdings Ltd
Location
London Area, United Kingdom
research at scale. What You'll Be Doing Designing and building cloud-native platforms for processing and distributing real-time data Developing high-throughput, low-latency distributed systems Architecting scalable infrastructure capable of handling large volumes of streaming data Collaborating closely with researchers, data scientists, and engineers across ...

DevOps Cloud Engineer / Linux Systems Administrator

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £130,000 per annum
existing and building new infrastructure, sharing knowledge and best practices. This is an incredibly varied role, covering all aspects of automation and management of low latency trading platforms both on premise and cloud as well as supporting clients with their implementation of The Company's Technology solutions. ...

Quant Developer OTC Pricing

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Physics or Quantitative Finance Ability to operate effectively in a role that bridges quantitative modelling and production engineering DESIRABLE - SKILLS/EXPERIENCE: Familiarity with low-latency system optimisation, such as GC tuning or tools/frameworks used in high-performance messaging environments Understanding of derivatives pricing and risk ...

Application Support Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Work closely with development teams, business analysts, architects, all infrastructure teams to design and setup new systems, improve existing platforms (resilience, high availability, performance, low latency) Coordinate and organise changes with external vendors, markets, ECNs. Plan, schedule, implement and document the release/change activities. Improve team documentation ...

Quantitative Developer

Hiring Organisation
IT Search & Select
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £130,000 per annum
simulation tools Build data pipelines for market, alternative, and proprietary datasets Implement and optimise systematic trading models in collaboration with researchers Improve execution workflows, latency, and reliability Contribute to architecture decisions across the full stack of quant systems Ensure code quality, testing, and production stability in a live trading … small, high-calibre team Comfortable with a hybrid setup : 1–2 days per week in the London office Nice to Have Experience with low-latency systems , distributed computing, or cloud infrastructure Exposure to equities, futures, FX, or multi-asset systematic strategies Knowledge of portfolio construction, risk modelling ...

Senior Java Developer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
coordination Messaging & integration (REST, Solace/streaming) Good‐to‐Have Skills Kubernetes & containerization Microservices modernization Deeper GCP/Anthos experience .NET/WPF familiarity Lowlatency/trading systems Post‐migration optimization ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
architectures and developing RESTful APIs. Demonstrated analytical and reasoning skills, with the ability to visualize and simplify complex systems. Experience working with high-throughput, low-latency systems is highly desirable. Familiarity with cloud platforms (AWS/GCP), NoSQL databases, big data analytics, or machine learning services ...

Senior Network Infrastructure Engineer , Vice President

Hiring Organisation
State Street
Location
Greater London, United Kingdom
Employment Type
Full Time
primary purpose of this position is to provide technical engineering and operational support for the implementation, testing, integration, interoperability for a global low latency and high frequency FX exchange networks. This role also includes operational and support responsibilities like troubleshooting complex incidents in a timely and accurate fashion ...

Senior Software Engineer- Python

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
prediction and forecasting AI models while coupling their output into a hybrid human-machine data refinement process and presenting the result through a nimble low-latency SaaS solution used by customers around the globe is no small feat of science and engineering. This processing requires models that … survive the scrutiny of industry experts, data analysts and traders, with the performance, stability, latency and agility a fast-moving startup influencing multi-$m transactions requires. The Data Platform Team is responsible for all of Vortexa’s data. The team’s ownership ranges from raw satellite AIS/imaging ...

Senior Artificial Intelligence / Machine Learning Engineer

Hiring Organisation
Pro Contract Jobs Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Competitive day rate (DOE)
research and experimentation into measurable production improvements. You will work closely with engineers, data scientists, product stakeholders and third-party partners to deliver reliable, low-latency solutions that perform consistently at scale. A core part of the assignment is building and operating cloud-based ML pipelines and APIs … process real-time or near-real-time audio streams. You will produce clear technical specifications, define performance and reliability targets, and ensure solutions meet latency requirements for customer-facing products. You will also monitor production performance, analyse model and system metrics, and proactively drive enhancements to accuracy, robustness ...

Booking and Messaging Java Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £625/day
within an Agile/Scrum setup. Data & Systems: Proficiency in Spring, SQL (Sybase/PostgreSQL), and distributed systems (Zookeeper). Performance: Skilled in low-latency communication and debugging complex distributed systems. If interested, please apply here or send your updated resume to (url removed) Randstad Technologies is acting ...

Software Engineer, Quant Trading - London : C++, Python, Rust : £150k+

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
systems that drive trading performance in some of the world's most competitive financial markets. Key areas of focus include: High-performance and low-latency systems Trading infrastructure and market connectivity Large-scale data platforms Distributed systems and cloud technologies Research and developer tooling The ideal candidate will ...

Senior Software Engineer I - Receive

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
need? Hands‐on experience with distributed systems, including microservices architecture and backend services supporting large‐scale traffic. Proven ability to deliver high‐performance, lowlatency systems with a focus on speed, scalability, and reliability. Strong product‐oriented mindset, with end‐to‐end ownership of features and close collaboration ...

Python Developer

Hiring Organisation
Sanderson
Location
London Area, United Kingdom
multithreading, multiprocessing, and asyncio Strong grasp of type hinting, generators, iterators, and Pythonic loop constructs Proven ability to design RESTful APIs for high-throughput, low-latency systems Experience with unit testing, integration testing, and test automation frameworks Solid understanding of PostgreSQL, Redis, and message queues (e.g., Celery, RabbitMQ ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
remote candidates at the moment. Role Requirements We are looking for engineers with at least 5 years of professional experience in building high throughput, low latency micro services. The ideal candidate will play a pivotal role in shaping and building the future of our backend systems. ...

Software Engineer Manager, Apple Online Store

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Architectures. Significant years of experience leading successful software engineering teams, preferably on eCommerce applications. Experience in developing distributed systems, designing and implementing high throughput, low latency enterprise-wide applications. Preferred Qualifications Degree in Computer Science or related field with proven experience with Agile Development methodologies with continuous complex ...

Senior Software Engineer/SRE - BQL Reliability Engineering

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
ecosystem—spanning workload management layers, the query engine, and hundreds of data providers—operates predictably and at scale across diverse workloads, from low-latency queries powering Terminal screens to long-running quantitative analytics. Our mission is to make platform behavior transparent and measurable by building robust telemetry, instrumentation ...

FX eTrading Java Developer - VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
consistency across teams Work directly with trading and quant teams Key Skills and Experience required Proven understanding of FX highly preferred Understanding of ultra low-latency development practices Proven track record of building new systems, replacing legacy systems and renovating existing systems The candidate will have systems (software ...

Senior Software Engineer: Scalable .NET/Python FinTech Stack

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
engines to drive efficiency and enable dynamic client billing. You will develop robust data models in SQL Server, implement complex business logic, and deliver low-latency REST APIs and React-based user interfaces for internal teams. Leveraging Python for analytics, data processing, and automation, you will also containerise ...

Senior Java Engineer - Low-Latency FICC eTrading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Bank of America is looking for a Senior Engineer in Bromley to join the FICC Macro Rates Electronic Trading Technology team. This role focuses on developing and enhancing critical eTrading components utilized globally. Candidates should ...