1 to 25 of 38 Remote Low Latency Jobs in the City of London

partnering with a leading global trading firm to hire a Low-Latency Software Engineer. This is a rare opportunity to work on ultra-low-latency systems that process market data and execute trades at sub-millisecond speeds — the backbone of high-frequency trading and algorithmic strategies. … Role You’ll join a small, elite engineering team responsible for: Designing and implementing low-latency, high-throughput trading infrastructure in C++ and Java Optimising network protocols, messaging systems, and concurrency models for minimal latency Developing and maintaining real-time data feeds, order routing, and execution engines ...

Low Latency Java Developer - Contract Location: London - Hybrid 3 days per week in the office Duration: 12 months Rate: £480-£550 per day Inside IR35 Hiring for a Senior Java Developer with strong FX and low-latency experience to join an eFX Algo IT team. … across design, development, testing and release - Provide 3rd-line support and ensure production stability Skills and Experience: - Strong Core Java - FX background (essential) - Proven low-latency engineering skills - Hands-on with Agrona, ring buffers, UDP, LMAX Disruptor/Chronicle Queue - FIX protocol knowledge - UNIX experience - Agile delivery experience ...

institutions across Asia, the U.S., and Europe. Our products deliver advanced market-microstructure analytics, backtesting, portfolio and risk tools, and formal verification for low-latency systems merging high-performance computing, AI, and frontier quantitative research. We have been almost doubling revenue every quarter, and need help on this … below is a plus but not neccessary: High-performance database systems & transactional correctness (isolation/serializability) Real-time data pipelines & market-data processing (ultra-low latency, burst tolerance) Performance/latency optimization to sub-millisecond: CPU cache/NUMA, SIMD, vectorization, I/O tuning Concurrency & memory ...

C++ 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 … 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 ...

quantitative environment. We're seeking a Junior Rust Developer to join its front-office technology team in London. The successful candidate will work on low-latency, high-performance systems that directly support 24/7 trading operations, collaborating closely with senior engineers and trading stakeholders. Key Responsibilities Maintain … trading systems Required Skillset 1–3 years of relevant development experience in a Linux environment Strong working knowledge of Rust (essential) Proven interest in low-latency systems and performance optimisation Degree in Computer Science, Software Engineering, or a related discipline Strong interest in financial markets and blockchain technologies ...

data into a real-time defense against global fraud. Key Responsibilities Telco Integration & Architecture ? Own and build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. ? Architect and implement a carrier-agnostic, vendor-agnostic … signals from at least two telco partners, culminating in a Go/No-Go demo. ? Ensure all network API integrations meet the stringent P99 latency budgets (e.g., < 150ms) required to support our sub-500ms Time-to-Trust product goal. ? Collaborate with the platform team to build a parallel development ...

regions. The role sits at the intersection of delivery and operations. You’ll contribute to new network build-outs while also supporting an existing low-latency estate that underpins trading and research systems. The environment spans traditional data centre networking, cloud connectivity, automation, and performance-sensitive routing - offering … trading, research, and corporate systems Troubleshoot and resolve network incidents across routing, switching, and connectivity layers in both on-prem and cloud environments Support low-latency systems, balancing reliability, performance, and operational resilience Contribute to network-related projects, including new deployments, upgrades, and capacity improvements Work with senior ...

talent from top-tier trading firms, leading crypto venues, big tech, and high-performance start-ups — all focused on building the next generation of low-latency market infrastructure. In this role, you’ll contribute across a wide range of high-impact projects within the core exchange stack. … hybrid working. You Will Have: 5+ years of experience with modern C++ (C++17/20 or later) Experience building high-performance, real-time, or low-latency distributed systems Background in FX, crypto, or electronic trading environments (exchange, market-making, HFT, or quant/prop trading highly valued) Strong ...

Low Latency Java Developer - Contract Location: London - Hybrid 3 days per week in the office Duration: 12 months Rate: £480-£550 per day Inside IR35 Hiring for a Senior Java Developer with strong FX and low-latency experience to join an eFX Algo IT team. ...

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 – ULTRA-LOW LATENCY SYSTEMS Location: London (Hybrid: 4 days onsite) Sector: Quant Trading/High-Performance Computing Quant Capital is partnering with a global trading firm building a greenfield FPGA team focused on low-latency, high-throughput hardware systems. This small, senior group will … deliver high-speed compute infrastructure integrated directly into trading, research, and networking pipelines. What You’ll Be Doing Designing and implementing latency-optimised FPGA systems in Verilog/SystemVerilog Developing high-speed modules (PCIe, Ethernet, DDR/QDR) with deep pipelining Using simulation and formal tools (Verilator, Cocotb, etc. ...

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 ...

days a week on site. Financial Services Lorien's leading banking client is looking for a Java Developer who thrives on delivering low-latency, scalable services and event-driven architectures. If you're experienced with Java , Apache Kafka , OpenShift , and have a strong understanding of payments (cards, international ...

global financial and crypto markets. 🔹 What you'll do Build and optimize real-time and batch surveillance algorithms Contribute to the design of scalable, low-latency systems Collaborate with quants, data scientists, and compliance experts Enhance and maintain a mission-critical global codebase 🔹 What they're looking ...

London - Hybrid (3 days onsite) 💰 Up to £160,000 base + 25% bonus + equity We’re building the next generation of real-time, low-latency data systems - processing billions of transactions globally. This is a hands-on Staff Engineer role where you’ll take on complex challenges … scale, performance, and reliability. Why You’ll Love It Build and optimise real-time distributed systems at a global scale Lead deep dives into latency, throughput, and observability Stay close to the code while shaping architecture and direction Be part of an engineering-led culture with standout benefits: Full ...

design, development, and maintenance of scalable, high-performance, real-time data pipelines and core infrastructure components within the cloud environment. Data Integration: Ensure seamless, low-latency data flow by integrating and unifying diverse data sources across the organization. Data Modeling & Quality: Build and optimize robust data models specifically … processing, implementing effective monitoring, logging, and alerting mechanisms. Performance Optimization: Continuously monitor, tune, and optimize pipeline scalability and performance to meet stringent throughput and latency standards. Cross-Functional Alignment: Partner directly with technical and business teams to ensure the data infrastructure directly supports strategic objectives. Required Technical Expertise This ...

role leading the next generation of Java Developers. They are looking for the following experience in Senior Java Developers: Core Java development Multithreading, concurrency, low latency Working in the financial sector e.g. FX, trading Building microservices in the cloud (GCP, AWS) with Kubernetes Product-led development – architecting, building ...

generation front office applications used by traders and quants in real-time trading, pricing, and risk workflows. You’ll design and implement high-performance, low-latency systems that support trading operations across commodities, energy products, and derivatives, ensuring critical business processes run efficiently and reliably. In this role ...

Ideally, 5+ years of experience as a Java Developer, focusing on core capabilities of the language, finance sector background a plus Experience of building low-latency, high-throughput platforms Excellent problem-solving and analytical skills Able to produce secure, stable and good-performing code Strong communication skills, able ...

complex backend systems Essential Redis Distributed systems fundamentals Nice to Have Experience with Golang, Rust, C, C++, or Python Experience building high-scale, low-latency systems Exposure to IoT, streaming, or event-driven architectures What’s on Offer High level of autonomy with a zero-micromanagement culture Supportive ...

Provide SL3 support for application components. Communicate delivery status and milestones to stakeholders. Experience Required Expert-level server-side C# development , with knowledge of low latency, high availability, and asynchronous systems . Experience with C++ and Python (desirable). Familiarity with Interest Rate and FX products (desirable). ...

Reactive Programming. Experience in optimizing application delivery and security using Akamai. Strong focus on performance, scalability, and secure API development. Optimize system performance, ensuring low latency and high availability for media streaming services. Drive best practices in coding, architecture, and DevOps pipelines. Mentor junior engineers and contribute ...

opportunities to rapidly build your career up to senior. A Junior Software Developer must have the following experience: Core Java Multithreading Concurrency High performance, low latency environment BSc or MSc in Computer Science from Russell Group university Benefits you will enjoy as a Junior Software Developer: Health insurance ...

efficiently store and retrieve large volumes of market data (e.g., trades, quotes, order books). Optimize schema design and partitioning strategies to support low-latency queries across historical and real-time data. Implement real-time data ingestion and processing pipelines for market data Ensure data integrity, latency ...

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing … Develop scalable backend systems to support high-frequency FX trading Collaborate with quants and traders to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/ ...