26 to 50 of 109 Low Latency Jobs in the City of London

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 ...

worldwide! This isn't just back-end development – you're building the mission-critical application layer that handles massive IoT data streams, ensures millisecond latency for global supply chains, and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency … designing highly performant and distributed services that ingest and process location and temperature data from every corner of the globe, building robust, low-latency APIs that power logistics decisions worth millions of dollars, and creating the rock-solid, secure logic that our entire product ecosystem depends on. ...

Role: Low Latency Java Engineer - Up to £100k Base Salary + Bonus Salary: Up to £100k Base Salary + Bonus Location: London Skills: Java, Multithreading, Concurrency, any focus on performance This firm is an elite tech scale up with extremely high tech standards. They are made … tech and pushing it to the limits. What else is in it for you? • Software Engineers are treated as the company's #1 asset • Low attrition rate; people working there love what they do on a daily basis! • Very friendly, tight-knit environment • Flat structure, with a clear progression ...

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 ...

from day one. The Role This isn’t pipeline maintenance. You’ll take full ownership of platform reliability, performance, and security, powering mission-critical, low-latency products and AI-driven features. What You’ll Own Build and manage cloud infrastructure from scratch with Terraform Lead Zero Trust security … experience CI/CD pipeline design experience Observability stack experience Scripting skills (Python, Go, or similar) Nice-to-Haves Zero Trust/mTLS experience Low-latency/high-throughput systems experience Apache Kafka expertise Kubernetes automation tools (e.g., ArgoCD) Who You Are A proactive problem-solver who takes ...

energy derivatives space. The business runs a cutting-edge electronic trading platform that serves both internal trading teams and external clients, offering low-latency, highly reliable trading access via a modern UI. We are looking for a self-starter who takes ownership of technical challenges and delivers robust … frontend/UI engineering, with a focus on performance and scale Deep expertise in React, TypeScript, and JavaScript Strong understanding of WebSocket integration, low-latency data streaming, and threading Experience troubleshooting data-heavy UIs and optimising load times Familiarity with tools like Redis, Kafka, and cloud platforms such ...

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 ...

Mode Innovator (London) Are you an exceptional Back End Engineer with a stellar academic pedigree and a proven track record in architecting high-performance, low-latency platforms? Cornucopia is collaborating with a well-capitalised fintech poised to disrupt global financial markets. This is a rare opportunity to help … seek engineers who excel at grappling with complex, first-principles technical problems. You will design and implement resilient, always-on services optimised for ultra-low latency and reliability, targeting sub-millisecond p99 performance benchmarks. Spearheading the development of robust CI/CD pipelines, Infrastructure-as-Code, and state ...

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. ...

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 may be beneficial. Responsibilities … 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 ...

design , branchless algorithms , and profile-guided optimization . A habit of benchmarking rather than assuming — data, not theory. Ideal Background Proven experience building ultra-low-latency systems in trading, gaming, or networking. Deep understanding of CPU architecture , from cache hierarchies to speculative execution. The mindset of someone … hardware, and trading sit shoulder-to-shoulder. Code that’s 10ns faster doesn’t just run better — it changes the business. If you believe latency is the final frontier, and profiling is the only truth, this is the environment you’ve been building toward. To apply, please either send ...

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 ...

class technologists and domain experts to deliver scalable, high-performance UIs that support real-time trading and analytics. Key Responsibilities Design and develop responsive, low-latency front-end trading systems using React. Build dashboards and visualisation tools for Fixed Income market data and trade execution. Collaborate with traders … Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies (WebSockets, FIX, etc.) Familiarity with containerized front-end platforms such as OpenFin ...

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. ...

most technically advanced hedge funds and market makers in the world (client name kept confidential). This is a rare opportunity to work on low-level Linux engineering that directly supports global trading and research systems. This isn’t a typical Linux admin role. You won’t be managing … users or installations — you’ll be writing the code that shapes the Linux OS itself , making kernel-level changes, tuning for ultra-low latency, and solving the kinds of problems that get escalated all the way to Red Hat. What you’ll be doing: Writing and maintaining tools ...

performance and reliability of their trading platform. You’ll have the chance to work on cutting-edge distributed systems, manging high-throughput, low-latency trading operations with zero downtime. As a Senior Site Reliability Engineer (SRE), you'll champion reliability, performance optimisation and operational excellence the infrastructure. Requirements … position Strong Java development experience and understanding of JVM internals Experience with containerization and orchestration (Nomad ideal) Knowledge of OpenTelemetry Experience in high-throughput, low-latency production environments would be perfect Experience with continuous delivery and DevOps ...

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 ...

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 Mobile Platform Engineering Develop native Android components in Kotlin Develop native iOS components ...

hire a Site Reliability Engineer to help form a team that will be responsible for ensuring best in class reliability and performance for their low latency market making systems. This is a unique opportunity to shape the SRE function within the organisation and work on several initiatives around … automation, building tools and driving continuous improvement. Requirements Proven experience in SRE within low latency environments Experience with trading systems and monitoring tools Proficiency with Python and automation Strong collaboration skills with the ability to work effectively with different teams Given the client boasts a very collaborative environment ...

C++ Contract Opportunities – Low Latency & Market Data (12 Months, extensions or conversions to permanent possible) I’m working with a leading quantitative research & technology firm who are hiring several C++ contractors across different teams. These roles sit within highly technical engineering groups building the foundations that power large … write clean, modern C++ and enjoy solving technical problems within trading and/or market data environments will be considered. The Contracts C++ Engineering – Low Latency Work on performance-critical systems where reliability, optimisation, and careful engineering matter. You’ll contribute to high-throughput components and help evolve ...

testing Desirable Experience: Continuous Delivery & CI/CD environments API & UI Testing (Selenium) Event-driven systems & messaging protocols Extreme Programming & Pair Programming Performance/Low Latency experience Low Level coding What We are Looking For: Strong communication skills – comfortable engaging with technical & non-technical teams Inquisitive mindset ...

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 ...