1 to 25 of 40 Low Latency Jobs in the City of London

Senior C++ Developer (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 3 days remote and 2 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited … ideal place for you to develop your career. Benefits (not exhaustive list): Senior C++ Developer(Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) Competitive salary 25 days annual leave - not including bank holiday Private medical insurance Flexible working hours Company pension Group Policies Life Assurance, Income ...

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 ...

pricing, execution, risk and physical trading systems. You will lead a globally distributed engineering team while partnering directly with traders and quants to deliver low-latency, high-impact trading solutions. Responsibilities Lead the global Front Office Application Engineering team across 4 locations. Own all front-office trading systems … including pricing, execution, risk, P&L and trader UIs. Act as the senior technology partner to Gas and Power trading desks. Ensure platforms are low-latency, resilient and scalable for real-time trading. Drive engineering standards across architecture, DevOps, CI/CD and AWS. Balance platform stability with ...

excellent bonus + benefits International Capital Markets firm is scaling its London Equities platform and is hiring a TechOps Associate to drive platform reliability, low-latency performance, and controlled change across OMS/EMS, eTrading/algo, market data, and exchange connectivity. You will sit close … green, canary, feature flags) in partnership with Trading, Quant, and Engineering. Mature observability (logs/metrics/traces), capacity planning, and performance tuning for low-latency flows. Strong production hygiene and controls aligned to MiFID II/MAR/best-ex. Leadership of the London on-call rota ...

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 ...

interfaces used directly by front-office trading teams Improve market data ingestion, exchange connectivity, and real-time data flows Contribute to distributed systems, low-latency communication, and performance tuning initiatives Take part in design discussions, code reviews, profiling, and CI/CD improvements Gain hands-on exposure … environments Genuine interest in financial markets (prior finance experience not required) Desirable Experience Exposure to distributed systems, concurrency, or network programming Experience working with low-latency or real-time systems Familiarity with trading platforms, data pipelines, or simulation tools Open-source contributions or personal technical projects that demonstrate ...

optimise the top layer of the stack: Hot-path trading systems: market data → strategy interface → order generation → risk checks → routing/execution. Tail latency/jitter work: profiling, instrumentation, removing bottlenecks, improving p99/p999 behaviour under load. Low-latency engineering: CPU affinity, memory layout, lock-free … Desk adjacency: translating research/ideas into production trading behaviour alongside quants. What we're looking for 3+ years in performance-critical systems. Proven low-latency/HFT trading background (prop, market maker, quant fund, or equivalent). Strong hands-on Rust or C++ in production (Go considered ...

Engineer you will head-up an Agile team (5 engineers) 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 … requires high scalability and low latency - they currently handle 40 billion messages per day. You'll remain hands-on with approximately a 50/50 split between development and technical/team leadership; you'll coach and mentor the team, developing others and providing project leadership. Location/ ...

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 ...

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 … 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 discussions. ...

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 ...

speech separation and noise reduction. Provide technical leadership and mentorship to a small, high-performing engineering team. Bridge research and production — ensuring scalable, low-latency model deployment. Collaborate cross-functionally with software and product teams to integrate ML systems into live products. Contribute to the company’s long … Proficiency with Python , PyTorch/TensorFlow , and modern ML frameworks. Track record of delivering production-grade ML systems with measurable performance improvements. Experience with low-latency inference and model optimisation (ONNX, TensorRT, quantisation) is highly desirable. This is an opportunity to take ownership of the machine learning function ...

trading platforms. You'll work closely with FX Trading and Sales, shaping UI strategy for both internal and client-facing toolkits operating in ultra-low latency environments. This is an excellent opportunity for a UI specialist with deep institutional trading experience who thrives in fast-paced, front-office … Partner closely with FX Traders, Sales, and Quant/Tech teams to define requirements and deliver solutions Deliver high-performance, responsive UIs suitable for latency-sensitive trading environments Collaborate with global development teams across London and Asia Contribute proactively to product evolution and platform scalability Essential Experience Strong hands ...

Linux and general networking (TCP/UDP, multicast data delivery). Understanding of distributed server architectures. Desirable Knowledge Of Any (Beneficial): Understanding of ultra-low latency distributed computing environments. Familiarity with the FIX trading protocol and various market data systems (Reuters, Bloomberg, CQG). Previous experience with specific ...

Senior C++ Developer (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) This is a hybrid role, 3 days remote and 2 days in the office Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited ...

Business Analyst or Solution Lead. Strong knowledge of global equities trading and EMEA markets. Hands-on experience with OMS/EMS platforms and low-latency, high-throughput applications. Familiarity with SDLC tools (JIRA, Confluence) and CI/CD tools (Git, Jenkins). Excellent communication and stakeholder management skills. ...

mission-critical system that supports FX Cash, deposits, futures, swaps, and more. The platform is rich in functionality, handles heavy loads with low latency, and underpins key trading and sales workflows. You’ll help maintain and evolve the current Java Swing UI, while preparing for a future transition ...

. We help banks, hedge funds, and vendors design, build, and debug serious compute platforms – from CPU/GPU clusters for risk calculations to low-latency analytics and large-scale simulations. We’re hiring a Software Engineer to work in the HPC side of the company. … smart, highly motivated , and that you actually care about HPC (and maybe finance too) . You should enjoy understanding how systems behave at a low level and be happy jumping between domains. You must have The right to live and work in the UK indefinitely At least 1 year ...

Security/threat modelling expertise : Understanding of adversarial AI, prompt injection, or system security • Real-time systems experience : Trading systems, fraud detection, or other low-latency critical infrastructure • Open source contributions in relevant domains (AI frameworks, monitoring tools, security infrastructure) Bonus Points (Nice to Have) • Understanding of regulatory ...

bank in London, working directly on high-performance algorithmic trading systems in a front-office environment. This team is responsible for building and enhancing latency-sensitive trading platforms , partnering closely with quants and traders to deliver live trading strategies across Credit, Rates, or FX . What they’re looking … trading technology Strong career progression within a top-tier institution High-visibility, front-office work in London If you’re passionate about algo trading, low-latency systems, and real market impact , feel free to message me directly for more details. ...

focused equally on technical depth, strategic decision-making, and driving platform SRE excellence. Key Responsibilities Lead SRE/DevOps practices for Linux platforms powering low-latency, high-throughput trading workloads. Optimize, and tune Linux for performance, resilience, and minimal latency. Drive incident response, root cause analysis, and continuous ...

ideally experience working in a TDD way is preferred. Experience in STL, Boost, multithreading, concurrent systems This firm care a lot about performance, low latency, high throughput and the challenges it presents – so should you. This is a truly welcoming and inclusive business who love to take talented ...

within UK Finance . Deep expertise in Streaming Data Technologies , including: Confluent Kafka Apache Flink Java ODS/MongoDB Proven experience with high-volume, low-latency payment systems . Excellent senior stakeholder management and communication skills . Experience working in a contractor/consulting environment . Nice ...

risk management in a fast paced etrading environment. Key responsibilities: Collaborate with UX designers, backend engineers and traders to translate requirements into intuative, low latency interfaces. Develop and maintain complex front end features using React, Typscript, and modern state management (eg Redux Zustand). Build reusable UI components ...

What you’ll do Architect the full platform stack (Python, TypeScript, Golang) handling trading engine, pricing models, hedging mechanisms and marketplace functionality. Build scalable, low-latency systems for real-time order matching, risk management and market data distribution. Design resilient infrastructure that can handle massive compute trading volumes ...