1 to 25 of 37 Remote/Hybrid Low Latency Jobs in London

Rust Developer Low Latency Trading

Hiring Organisation
Client Server
Location
London, England, United Kingdom
Rust Developer/Backend Software Engineer (Rust Low Latency Trading) London/WFH to £180k+ Do you have expertise with low latency software engineering within finance or gaming environments? You could be progressing your career in a senior, hands-on Rust Developer role at a hugely … Rust development experience You have strong backend OOP, multithreaded software engineering experience (e.g. C++, Java, Python) You have experience of working on high throughput, low latency systems with microseconds/nanoseconds, within a finance (or games) environment You have a good understanding of low level system design ...

Software Engineer - eFX

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£140,000 - £160,000 per annum, Inc benefits
+ 30 days holiday A leading financial institution is hiring an eFX Software Engineer to build and optimise high-performance trading systems within a low-latency e-trading environment. You'll work as a senior technical contributor within the eFX engineering group, driving architectural decisions, evolving Java performance … across the e-trading stack. The role You will: Design and engineer fault-tolerant, high-performance Java systems Develop architectures achieving <40μs one-way latency Shape and evolve low-latency coding patterns (lock-free + low-GC) Solve complex trading and platform engineering challenges Contribute ...

eFX Java Developer Contract - 12 months Inside IR35

Hiring Organisation
CBSbutler Holdings Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£480 - £550 per day
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 ...

Graduate Quant Software Engineer (C++ / Java – Trading Systems) | £55,000–£77,000

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £77,000 per annum, OTE
Java – Trading Systems) | £55,000–£77,000 | Hybrid (London/Remote) Build technology that powers real trading. Join a high-performance engineering team developing low-latency, resilient backend systems used in live trading environments. You’ll work on complex technical challenges from day one, building software that genuinely … impacts how markets operate — not just writing code in the background. This is a fast-growing fintech where strong engineers progress quickly into Senior, Low-Latency, or Quant-Engineering tracks within 12–24 months. What You’ll Do Design, build, and optimise backend components of real-time trading ...

Systems/Infra/Platform Engineer - HFT/Quant Trading Systems (Rust/C++)

Hiring Organisation
Batonics AB
Location
City of London, London, United Kingdom
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 ...

Junior Rust Developer - Crypto Market Maker

Hiring Organisation
Radley James
Location
London, UK
Employment Type
Full-time
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 ...

Senior Backend Engineer (Telco Integration Lead) Golang

Hiring Organisation
Ventula Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Network (Infrastructure) Engineer | Leading Global Investment Group

Hiring Organisation
Techfellow Limited
Location
London, UK
Employment Type
Full-time
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 ...

eFX Java Developer Contract - 12 months Inside IR35

Hiring Organisation
CBSbutler Holdings Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 480 - 550 Daily
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 : Trading Firm : CCDE/CCIE : £150-200k+

Hiring Organisation
Hunter Bond
Location
London, UK
Employment Type
Full-time
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 ...

Lead Machine Learning Engineer

Hiring Organisation
IC Resources
Location
London, UK
Employment Type
Full-time
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 ...

C# Developer - Up to £140,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
Greater London, England, United Kingdom
decision systems. Flexible Hybrid Model – Combine remote work with the energy of a London-based office. 🧠 Your Role Design, build, and optimize high-performance, low-latency systems for real-time financial applications. Develop scalable, efficient software using C#/.NET, with hands-on involvement in architecture and system ...

C# Developer .Net AWS - Hedge Fund

Hiring Organisation
Client Server
Location
London, England, United Kingdom
critical betting execution systems. You'll be building systems to manage large datasets which can process updates in real-time with high throughput and low latency; these systems are released with high frequency with technology choices that are continuously evolving. There's a focus on backend development with ...

Staff Software Engineer

Hiring Organisation
KE Technology
Location
London, UK
Employment Type
Full-time
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 ...

Senior Data Engineer

Hiring Organisation
Retelligence
Location
London Area, United Kingdom
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 ...

Golang Software Engineer (GO - FinTech)

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£130000 - £150000/annum + Bonus & Benefits Package
Golang) . Design scalable, secure, and performant architectures for financial applications. Collaborate with product and DevOps teams to deliver robust solutions. Optimize systems for low latency and high throughput. Contribute to code reviews, testing, and continuous improvement. What We're Looking For: Strong experience in Golang development. Solid ...

Senior C# Developer .Net Core - Finance

Hiring Organisation
Client Server
Location
London, England, United Kingdom
Greenfield systems. As a Senior C# Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment ...

Python Data Engineer - Hedgefund

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£123256 - £147908/annum + Bonus & Benefits Package
structured and unstructured data. Implement rigorous data quality, validation, and cleansing routines to ensure accuracy of financial time-series data. Optimize workflows for low latency and high throughput, critical for trading and research. Collaborate with portfolio managers, quantitative researchers, and traders to deliver tailored data solutions for modeling ...

Back End Developer

Hiring Organisation
idpp
Location
London, UK
Employment Type
Full-time
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 ...

Full Stack Engineer

Hiring Organisation
Futuria
Location
Greater London, England, United Kingdom
authorisation systems (e.g., OAuth2, JWT) Success Metrics Deploy secure, scalable, and maintainable full-stack systems and LLM applications that deliver measurable business value Maintain low latency, high system uptime, and strong performance across APIs and AI services Drive fast, iterative collaboration across product, design, and engineering teams Continuously ...

KDB+/Q Software Engineer - Hybrid Working - £70,000 - £225,000 Base (+ Bonus)

Hiring Organisation
Hunter Bond
Location
London, UK
Employment Type
Full-time
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 ...

Java Software Engineer (Tier 1 Investment Bank)

Hiring Organisation
Radley James
Location
London Area, United Kingdom
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/ ...

DevOps Engineer Quantitative Systems

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
quantitative, trading, or data-driven environments is highly desirable Ability to work in a fast-paced, technical environment Nice to Have: Experience supporting low-latency or high-performance systems Familiarity with containers (Docker, Kubernetes) Understanding of financial markets or quantitative workflows What We Offer: Salary ...

Java Engineer - Up to £160,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
Greater London, England, United Kingdom
+ Bonus + Comprehensive Benefits 🔍 The Role Join a leading FinTech as a Java Engineer and help build their next-generation, low-latency trading platform . This is a hands-on role in a high-performance, real-time environment where every millisecond matters. Collaborate with top-tier engineers ...

Junior Software Developer Rust - HFT

Hiring Organisation
Client Server
Location
London, England, United Kingdom
Oxbridge, Russel Group You have backend OOP, multithreaded software engineering experience You have Rust development experience You have experience of working on high throughput, low latency systems You are collaborative and pragmatic with great communication skills, keen to learn and progress What ...