1 to 25 of 82 Remote Low Latency Jobs in London

Investment Banking - Low Latency C++ Developer - financial markets/Linux/Scripting/low latency/TCP/IP PURPOSE AND SUMMARY We are looking for a C++ developer to be part of the low latency development team. The team provides industry leading low-latency trading services for our clients, utilizing FPGA … markets/clients Experience with order entry gateway development. Experience with market data Reasonable knowledge of Linux Some Scripting knowledge Interest and some knowledge of principles of developing for low latency Relationship Builder Ability to work under pressure to meet targets Understanding of TCP/IP protocol a plus Permanent role - hybrid working - Central London based By applying More ❯

Join Citi's Equities Smart Order Router team, a core part of our Front Office Technology, driving innovation in electronic trading. This established team builds and maintains high-performance, low-latency, high-throughput applications vital for optimizing liquidity sourcing across global markets. You will provide end-to-end SDLC support, developing and enhancing critical trading components. This involves … support, resolving complex queries from production support, product managers, and trading desks to maintain platform stability. Strategic Impact: Directly contribute to the continuous enhancement and stability of a latency-sensitive, high-volume trading platform, directly impacting trade execution and liquidity. Delivery Ownership: Take full ownership of deliverables, ensuring quality, reliability, and successful integration within a dynamic trading environment. Key … strong background in financial technology. The ideal candidate will possess: Financial Markets Expertise: Demonstrated prior software development experience within financial markets, preferably with exposure to electronic trading systems or low-latency environments. Core Java Proficiency: Expertise in Core Java development (version 1.8 or higher), with a deep understanding of its ecosystem, best practices, and performance characteristics. Advanced Data More ❯

Senior Java Engineer - Low-Level Systems | High-Performance Architecture | Hybrid London I'm working with a leading financial technology organisation building ultra-low latency systems at scale, and we're looking for a Senior Java Engineer with a strong grounding in low-level systems programming . This is an opportunity to join a high-calibre team … The systems you'll help build operate in the microsecond range and demand deep OS, networking, and concurrency knowledge . What You'll Be Working On: Designing and developing low-latency, high-throughput microservices in Java Building and refining core components of a proprietary event-driven framework Working closely with architects, FPGA and infrastructure engineers to optimise performance … a London office Excellent benefits: pension, medical, 27+ days leave, bonus Why This Role: This is a career-defining opportunity to work on some of the most cutting-edge low-latency systems in the industry. You'll be part of a team that values technical depth , innovation , and clean engineering , all while working on systems where every microsecond More ❯

Senior Java Low Latency Engineer (VP) - London Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking … and solutions, and unparalleled access to capital and liquidity. What We do/The Team In the world of Capital Markets electronic trading, performance, agility, and reliability are crucial; latency beyond the micro- or even nano-second realm just won't cut it! A core team of expert engineers within Citi have developed a framework, toolset and collection ofcomponentsfor … a core framework, toolset and collection ofcomponentsfor building self-healing, scalable, high performance,asynchronous, event driven, Java Microservices based solutions. We build microservices based event sourcing systems on a low latency in-house framework. Response times in the 10 microsecond to 100 microsecond range. Role Overview/What you will you do: Work on the integration of functions More ❯

Storage Architect - Low Latency Trading Systems Global Investment Bank | London | Hybrid (2 days/week on-site) Role Overview Up to £1,300/day | Inside IR35 | 6-month initial contract Our global investment banking client is seeking an exceptional Storage Architect to lead the design and implementation of ultra-low latency storage solutions for their … technologies (NVMe-oF, PMEM, CXL) Develop standardised design patterns and create HLD/LLD documentation for architecture review boards Optimise fabric configurations (Fibre Channel) and replication strategies for ultra-low latency requirements Ensure regulatory compliance across SEC, MiFID II, GDPR, and SOX requirements Act as governance liaison with BISO, audit, and risk teams Essential Experience Technical Expertise …/Symmetrix), Pure Storage, NetApp AFF Expert-level knowledge of SAN (Fibre Channel), NAS, and backup/DR systems Deep understanding of NVMe-over-Fabrics, storage-class memory, and low-latency networking Strong Linux systems administration background Capital Markets Background 10+ years working in electronic trading or capital markets environments Understanding of trade lifecycle and algorithmic trading systems More ❯

Global Markets: High Performance Architectures - Infrastructure (HPAi) group. This team is responsible for all electronic trading infrastructure architecture across all markets globally for the firm. It is composed of low latency Subject Matter Experts (North America, EMEA), Systems Architects (both regional and asset class aligned) and an aligned initiative management function (e.g. Technical Project Manager). Technology is … and engage effectively in a very technical manner with other SMEs, systems architects, the business (at times), Markets-Tech, and enterprise infrastructure organizations (CTI/CISO). The environment Low Latency Trading - Rates and Cross Markets, domain specific technology is required (solid knowledge for as many of the following as possible): Compute (Linux - O.S., Tuning, kernel bypass technologies … venue, client. nvLink, uaLink, CXL, UltraEthernet) Colo/Datacenter (Power, Space, Cage, Rack, Cabinet, Design) Market Data (Bloomberg, Reuters, RAW Consolidated Feeds) Skills & Experience Systems Architecture experience in a Low Latency etrading Trading environment Deep knowledge of operating system fundamentals - hyper focus on Linux (REL, CoreOS) Understanding of OSI model and TCP and UDP network protocols Experience with More ❯

Senior Rust Engineer - Low-Level Systems | High-Performance | Hybrid London I'm working with a leading financial technology organisation building ultra-low latency systems at scale, and we're looking for a Senior Rust Engineer with a strong grounding in low-level systems programming . This is an opportunity to join a high-calibre team of … The systems you'll help build operate in the microsecond range and demand deep OS, networking, and concurrency knowledge . ?? What You'll Be Working On: Designing and developing low-latency, high-throughput microservices in Rust Building and refining core components of a proprietary event-driven framework Working closely with architects and infrastructure engineers to optimise performance across … a London office Excellent benefits: pension, medical, 27+ days leave, bonus ?? Why This Role: This is a career-defining opportunity to work on some of the most cutting-edge low-latency systems in the industry. You'll be part of a team that values technical depth , innovation , and clean engineering , all while working on systems where every microsecond More ❯

Senior Rust Engineer - Low-Level Systems | High-Performance | Hybrid London I'm working with a leading financial technology organisation building ultra-low latency systems at scale, and we're looking for a Senior Rust Engineer with a strong grounding in low-level systems programming . This is an opportunity to join a high-calibre team of … The systems you'll help build operate in the microsecond range and demand deep OS, networking, and concurrency knowledge . What You'll Be Working On: Designing and developing low-latency, high-throughput microservices in Rust Building and refining core components of a proprietary event-driven framework Working closely with architects and infrastructure engineers to optimise performance across … a London office Excellent benefits: pension, medical, 27+ days leave, bonus Why This Role: This is a career-defining opportunity to work on some of the most cutting-edge low-latency systems in the industry. You'll be part of a team that values technical depth , innovation , and clean engineering , all while working on systems where every microsecond More ❯

Technology powers the global financial markets by providing innovative, robust, and high-performance technology solutions. We are undergoing a significant transformation, modernizing our core platforms to support high-volume, low-latency transactions and drive business growth. What you will do: As a Senior Engineering Manager within Markets Operations Technology (MOT), you will lead a critical team responsible for … continuous improvement. Provide technical guidance, perform code reviews, and drive best practices. Strategic Transformation: Drive the modernization of a large legacy securities processing stack into a modern, high-volume, low-latency, and scalable technology platform. Formulate and execute technology strategy for brown-field and green-field efforts. Architecture & Design: Own the architecture and design of enterprise applications, focusing … AWS, GCP, PCF). Strong experience with Agile/SCRUM, CI/CD automation (Jenkins, Bamboo, UrbanCode), and code versioning tools (Github, Bitbucket, Perforce). Other: High-volume/low-latency application development, transaction management (JTA), network infrastructure understanding (HTTP/S, TCP/IP, TLS, DNS), shell scripting (Unix/Linux/Windows). Domain Knowledge: Deep More ❯

just about writing quick scripts-it's about building robust, production-grade systems that execute trades with precision and efficiency. You'll collaborate closely with traders and quants, developing low-latency trading algorithms that operate across multiple asset classes, including FX, Equities, and potentially Rates and Credit. Given the front-office nature of this role, you'll be … strategies, ensuring systems respond in real-time to market conditions. What You'll Be Doing: Developing and optimising trading algorithms with a focus on speed, efficiency, and reliability. Building low-latency, high-throughput systems that can handle real-time market data and execution logic. Working alongside traders and quants to fine-tune strategies and ensure seamless integration of … time systems environment. A strong interest in trading and financial markets, with a desire to be embedded in a front-office team. Experience (or strong enthusiasm) for working with low-latency systems, preferably in FX or Equities, though other asset classes like Rates and Credit are also considered. Strong problem-solving skills and the ability to think critically More ❯

MARGO is hiring an experienced ITS Application Services Engineer to join a Global Markets technology team. You'll support and enhance the low-latency infrastructure powering electronic trading systems - ensuring connectivity, performance, and reliability across FX and Fixed Income platforms. Location: Hybrid, Central London Your mission: Deliver and maintain a world-class, low-latency trading environment … platform, and development teams to onboard applications and define standardsOwn change-management processes, operational handoffs, and documentation (topologies, runbooks) Technical fit - what we're looking for: Strong background in low-latency networking : TCP/IP, multicast, traffic shaping, performance tuningProven experience with messaging middleware (Solace, 29West, Tibco, LBM) in performance-sensitive environmentsHands-on packet analysis using Wireshark , tcpdump More ❯

Sporting Solutions is a product led, technology-driven company that sources, generates, and distributes real-time sports betting data. Our systems operate under tight performance demands: low latency, high throughput, and ongoing reliability. We're working to continually improve our platforms and are evolving our infrastructure and applications - including moving from legacy .NET Framework systems toward modern, containerised … in telemetry and observability , helping us move from log-centric metrics to first-class telemetry using OpenTelemetry and modern observability stacks. Optimise for performance , helping the platform scale for low-latency, high-throughput demands in real-time sports data delivery. Mentor and guide engineers , promoting a strong DevOps culture and fostering collaboration across teams. Architect and implement solutions … and setting engineering standards. Nice to Have: Experience with OpenTelemetry , Prometheus, Grafana, or similar observability tooling. Exposure to hybrid-cloud or cloud migration strategies. Familiarity with performance optimisation in low-latency data pipelines. Contributions to DevOps-related communities, blogs, open source, or talks. What You'll Get The opportunity to shape the future of DevOps and Developer Experience More ❯

Sporting Solutions is a product led, technology-driven company that sources, generates, and distributes real-time sports betting data. Our systems operate under tight performance demands: low latency, high throughput, and ongoing reliability. We're working to continually improve our platforms and are evolving our infrastructure and applications - including moving from legacy .NET Framework systems toward modern, containerised … in telemetry and observability , helping us move from log-centric metrics to first-class telemetry using OpenTelemetry and modern observability stacks. Optimise for performance , helping the platform scale for low-latency, high-throughput demands in real-time sports data delivery. Mentor and guide engineers , promoting a strong DevOps culture and fostering collaboration across teams. Architect and implement solutions … and setting engineering standards. Nice to Have: Experience with OpenTelemetry , Prometheus, Grafana, or similar observability tooling. Exposure to hybrid-cloud or cloud migration strategies. Familiarity with performance optimisation in low-latency data pipelines. Contributions to DevOps-related communities, blogs, open source, or talks. What You'll Get The opportunity to shape the future of DevOps and Developer Experience More ❯

range of perks and benefits. As a C++ Developer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high … scalability and low latency - they currently handle 40 billion messages per day. Location/WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a 12 month Fixed Term Contract. About you: You have C/C++ development skills on Windows More ❯

the core services and components of our electronic trading platform for our clients and trading desks, ranging from positions management & resource distribution through to client workflow management & controls. Our low latency platform is built with speed, reliability and resiliency in mind where every microsecond counts, and uptime is critical. We work directly with our traders & product development teams … systems that can be reused and leverage work and experience from the other regions. SKILLS & EXPERIENCE WE'RE LOOKING FOR BASIC SKILLS & QUALIFICATIONS Strong Java programming skills in a low latency/zero GC environment. Excellent academic record in a relevant technical field, e.g. Comp Sci, Engineering, Mathematics or Physics. High desire to produce organised, readable, tested and More ❯

centralized finance, decentralized finance, and OTC. The ideal candidate is able to solve difficult problems and thrives in a fast-paced environment. Responsibilities System Architecture: Design and implement scalable, low-latency options trading systems and strategies. Performance Optimization: Continuously optimize and monitor the performance of the trading system, ensuring fast execution. Testing: Contribute to the development of unit … environment. Knowledge of options or crypto would be an advantage. Familiarity with market data feeds, order execution protocols, and connectivity to exchanges. Solid understanding of multi-threading, concurrency, and low-latency programming. Strong problem-solving and analytical skills. Bachelor's or Master's degree in Computer Science, Engineering, Mathematics, or a related field. Join our dynamic team and More ❯

of perks and benefits. As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high … scalability and low latency - they currently handle 40 billion messages per day. Location/WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a 12 month Fixed Term Contract. About you: You have C/C++ development skills on Windows More ❯

of perks and benefits. As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high … scalability and low latency - they currently handle 40 billion messages per day. Location/WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a 12 month Fixed Term Contract. About you: You have C/C++ development skills on Windows More ❯

strategy, or algo trading environment (buy-side or sell-side) Strong understanding of European equities market structure, venue fragmentation, and order routing Hands-on development experience with Java (concurrency, low-latency logic) or Python for analytics and modelling Background in quantitative research, electronic trading, or execution performance analysis Commercial mindset with ability to reason about Real Time trading … decisions, market impact, and algorithmic behaviour Desirable skills: Experience working on low-latency trading systems or agency algorithmic execution Familiarity with dark and lit venue mechanics, tick sizes, auction logic, and order book simulation Exposure to post-trade TCA, execution consulting, or client analytics Academic background in Applied Mathematics, Statistics, Computer Science, or related quantitative discipline Role setup More ❯

a product that will have a profound impact on the world of DeFi, underpinned by the financial strength and strategic direction of our organisation. Key Responsibilities Build and optimize lowlatency, highthroughput APIs that expose realtime token mindshare and sentiment metrics to downstream clients. Design and implement realtime sentimentanalysis and NLP pipelines for social feeds (Twitter, Reddit, Discord, Telegram, etc.), covering … code reviews, share best practices, and mentor teammates. Knowledge & Experience 5+ years in ML or data engineering roles, building production-grade NLP or sentiment systems. Proven track record building low-latency, high-throughput data pipelines and APIs using Go, Python, or similar. Hands-on NLP experience with both pre-built services (e.g., AWS Comprehend) and custom transformer models … Skilled in setting up observability and alerting pipelines (Prometheus, Grafana), including model drift detection. Experience with real-time ML inference and model serving frameworks (e.g., TorchServe, Triton, BentoML) for low-latency applications. Experience designing feedback loops, active learning, or user-in-the-loop systems to continuously improve model relevance. Experience with Git-based workflows and integrating model training More ❯

bottom line while collaborating in a global fully remote team. This role is open to candidates located in European or US time zones . Job description Develop and optimise low-latency options trading systems Collaborate with quants, traders, and engineers to enhance trading strategies Maintain and improve trading infrastructure, ensuring high performance and stability Design and implement efficient … Eagerness to become an expert in Rust (if not already) Experience with protobuf-based protocols or similar. Exchange connectivity experience (strongly preferred) Experience in High-Frequency Options Trading and low-latency systems (nice to have) Soft Skills & Competencies Ownership & Reliability - Take full responsibility for your work. Write high-quality, maintainable code, meet deadlines, and follow through on commitments. More ❯

through hands-on leadership. Your Responsibilities Own full-stack solutions end to end: You'll design, build, and operate systems across the stack-from front-end user experience to low-latency backend infrastructure and audio pipelines Lead by example: You stay hands-on, contributing production code while guiding architectural decisions and mentoring the team Mentor and elevate: Grow … functionally with product managers, researchers, and designers to translate customer problems into impactful technical solutions Scale voice infrastructure: Build systems that meet the high standards of real-time translation: low latency, high uptime, seamless UX, and ML integration Qualities we look for Full-stack technical leadership: You've led architecture and delivery of complex products, owning the full More ❯

site) Rate: A highly competitive Umbrella Day Rate or Salary is available for suitable candidates About Us The ETT team is at the forefront of developing innovative solutions for low touch, low latency trading. Our focus on FIX connectivity, smart order routing, and algorithmic trading ensures our systems perform at the highest level to meet the demands More ❯

site) Rate: A highly competitive Umbrella Day Rate or Salary is available for suitable candidates About Us The ETT team is at the forefront of developing innovative solutions for low touch, low latency trading. Our focus on FIX connectivity, smart order routing, and algorithmic trading ensures our systems perform at the highest level to meet the demands More ❯

work directly with one of the most forward thinking businesses and successful Rates Algo Trading platforms. Key Responsibilities may include (But not limited to): Design and develop high performance, low-latency trading applications Partner with multiple technology, business/risk and external market teams to capture requirements and deliver timely solutions for new trading functionality and market upgrades. More ❯