1 to 25 of 145 Low Latency Jobs

Senior Network Engineer Cisco Low Latency Trading

Hiring Organisation
Client Server
Location
London, England, United Kingdom
Senior Network Engineer (Cisco CCIE Low Latency Trading) London to £150k Do you have expertise with Cisco networking within low latency trading environments? You could be progressing your career at a highly profitable, systematic Hedge Fund that invests in sports betting markets whilst enjoying a range … perks and benefits. As a Senior Network Engineer you will take a lead role in a global, low latency, network redesign to modernise existing systems and improve latency dependant systems for traders. You'll be hands-on designing, deploying and troubleshooting the global network infrastructure, implementing optimisations ...

Senior C++ Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Quantitative Developer

Hiring Organisation
NJF Global Holdings Ltd
Location
City of London, London, United Kingdom
Quantitative Developer – HFT (C++) | Ultra-Low-Latency Trading | High-Performance Systems We are looking for an experienced C++ engineer to join a high-performance trading team focused on building ultra-low-latency systems that operate at global scale. This is a unique opportunity to work … cutting-edge technology where every nanosecond counts. ⭐ The Role As part of the HFT team, you will: Design, develop, and optimize latency-critical C++ systems for trading, market data, and infrastructure. Work on end-to-end ultra-low-latency architectures , including kernel-level tuning, network optimization ...

Rust Developer Low Latency Trading

Hiring Organisation
Client Server
Location
West London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Lead Java Developer

Hiring Organisation
Russell Tobin
Location
City of London, London, United Kingdom
Senior Java Developer with deep Electronic Trading expertise to join our E-Fixed Income (eFI) Development Team in London. The team builds and operates low-latency, high-performance electronic trading systems that sit at the heart of the bank’s Fixed Income business. This role will play … performance, resilience, and evolution of a mission-critical e-trading platform. What You’ll Be Doing Design, build, and enhance a robust, ultra-low latency Fixed Income electronic trading platform Lead the adoption and optimisation of TransFICC connectivity within the eFI ecosystem Identify and eliminate performance bottlenecks through ...

C++ Developer (FX - Low-Latency)

Hiring Organisation
Ascendion
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
seeking an experienced and skilled C++ Developer to join the team in Bromley, UK. The selected candidate will be responsible for delivering critical low-latency front-office pricing and trading solutions that support Global Markets businesses. This role requires strong backend development expertise and the ability to work … high-performance, real-time environments. Key Responsibilities: Develop and maintain server-side solutions in C++ for front-office trading systems. Ensure high performance and low-latency delivery of pricing and trading functionalities. Collaborate with other teams to implement robust, scalable, and efficient solutions. Required Skills and Experience: Minimum ...

C++ Developer (FX - Low-Latency)

Hiring Organisation
Ascendion
Location
London, United Kingdom
Employment Type
Permanent, Contract
seeking an experienced and skilled C++ Developer to join the team in Bromley, UK. The selected candidate will be responsible for delivering critical low-latency front-office pricing and trading solutions that support Global Markets businesses. This role requires strong backend development expertise and the ability to work … high-performance, real-time environments. Key Responsibilities: Develop and maintain server-side solutions in C++ for front-office trading systems. Ensure high performance and low-latency delivery of pricing and trading functionalities. Collaborate with other teams to implement robust, scalable, and efficient solutions. Required Skills and Experience: Minimum ...

Senior Java Developer - Market Connectivity

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
strong core Java development with market connectivity experience You have strong experience with multi-threading, messaging & ZeroGC techniques You have experience of working on low latency trading systems You have good working knowledge of Bash Scripting & Linux You follow TDD/BDD and value the benefits of testing … Minimum Java experience: 10 years Preferred Skills: TransFICC Experience, highly desirable Hot Code path optimization, Off-heap memory management techniques JVM internals, tuning for low-latency Low-latency messaging & data structures, network protocols, network I/O in Java LMAX Disruptor, Multi-Reactor, Chronicle Queue/ ...

Senior C++ Developer Low Latency - Learn Rust

Hiring Organisation
Client Server
Location
London, England, United Kingdom
Senior C++ Developer/Engineer (C++ Rust Low Latency Trading) London/WFH to £180k+ Are you a Senior C++ Developer to progress your career and transfer your skills to Rust? You could be joining a hugely profitable High Frequency Trading firm that specialise in crypto markets … backend OOP, multithreaded software engineering experience with C++ and are comfortable working with Rust going forward 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 ...

Backend Software Engineer C++ Rust Low Latency

Hiring Organisation
Client Server
Location
West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Backend Software Engineer/Developer (C++ Rust Low Latency Trading) London/WFH to £180k+ Opportunity to join a hugely profitable High Frequency Trading firm that specialise in crypto markets and earning substantial bonuses in a senior, hands-on Backend Software Engineer role, working with Rust. … backend OOP, multithreaded software engineering experience with C++ and are comfortable working with Rust going forward 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 ...

Principal Trading Engineer (Java, Algo, SOR)

Hiring Organisation
Fidelity Investments
Location
Elizabeth, New Jersey, United States
Employment Type
Permanent
Salary
USD Annual
years of trading engineering experience Experience in Capital markets or cryptocurrency specifically with exposure to Trading, Algo Trading Strong background in designing and developing low latency trading systems Knowledge of WebSocket and FIX protocols Experience in building matching engine, OMS/EMS or exchange-connectivity platform Experience using … kernel bypass e.g. Solarflare OpenOnLoad Extensive experience with modern Java using zero GC pattern Highly proficient in ultra-low latency design patterns and optimizing trading systems Hands on experience with low latency messaging products, such as Aeron, Solace or 29West Proficient in SQL and a working ...

Java Developer - Low Latency

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Public Services. Consolidated revenues as of $13+ billion. DETAILED RESPONSIBILITIES- 12+ years of experience. - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers … into projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with ...

Rust Developer Low Latency Trading

Hiring Organisation
Client Server
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
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 ...

Senior Java Developer - Electronic Trading

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
join its Electronic Fixed Income (eFI) Technology team. This role sits in a front-office electronic trading environment , focused on building and optimising low-latency, high-performance Java trading systems used by institutional clients. A core part of the engagement will be supporting the rollout and optimisation … TransFICC connectivity , alongside ongoing performance improvements across pricing, RFQ, execution, and market-data workflows. Required Experience Extensive background in electronic trading systems Strong low-latency Java development experience Deep knowledge of Core Java , concurrency, and multi-threaded design Proven delivery of high-volume, real-time trading platforms Strong ...

Senior C++ Developer

Hiring Organisation
Spencer Rose Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
+ bonus Type: Permanent, full time Overview Senior C++ Engineer needed to work on high-performance trading and analytics systems in a low-latency environment. This is a hands-on role focused on building, optimising and stabilising mission-critical platforms used across the business. You'll work close … production systems, taking ownership of complex technical issues including crash investigation, deep debugging and performance optimisation. Key Responsibilities Design and build low-latency C++ applications with a strong focus on performance and resilience Own production issues including crash analysis, memory corruption and runtime failures Perform deep debugging (call ...

Head of eFX Engineering

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£150,000 - £170,000 per annum
Office Technology - Permanent An international financial institution is seeking a Director-level eFX Engineering Lead to drive the design and development of high-performance, low-latency electronic FX trading systems . This is a senior hands-on leadership role working directly with Front Office trading and sales teams … availability architecture This role offers significant ownership, autonomy and influence over technical strategy, tooling, and future technology adoption. Key Responsibilities Build and enhance a low-latency, high-performance eFX trading system . Work closely with Traders and Sales to gather functional requirements. Lead development across the full SDLC ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£105,000 - £150,000 per annum
join them on their current mission. You will be working to develop their core infrastructure in Rust . This will include enhancing their low-latency trading services and block building. Requirements: < 2 years of experience developing with Rust. Or extensive experience working with low latency C++. … Experience building distributed systems. Experience working with low-latency, concurrent systems. Interest in blockchains. This position is primarily on-site in London . Unfortunately, this position does not provide sponsorship. If you would like to join a successful start-up who are punching well above their weight ...

Senior C++ Developer

Hiring Organisation
Ncounter LTD
Location
East London, London, United Kingdom
Employment Type
Permanent
large, in-house C++ codebase that underpins hundreds of applications and mission-critical data flows. The work is deeply technical, solving problems around low latency, throughput, concurrency, and resilience, while operating in a predominantly Linux environment with Python used for tooling, libraries, and integration. What youll be working … Designing and enhancing high-performance C++ messaging libraries used across global trading systems Optimising multithreaded, low-latency components in Linux environments Supporting and evolving APIs used by teams working in C++, Python, and other languages Working closely with infrastructure and platform teams to ensure reliability at scale Troubleshooting ...

Core C++ Developer - Cryptocurrency HFT

Hiring Organisation
Albert Bow
Location
City of London, London, United Kingdom
venture investing. You will be an exceptional C++ developer responsible for the optimization of core high performance trading systems. The role is built on low latency infrastructure and will require you to have exceptional modern C++ knowledge. Day To Day: Build and optimize low latency trading … Work within order execution, market data and risk systems where every second counts Tune CPU, memory, threading and networking to squeeze out latency Work directly with a team of quants, traders and infra to improve speed, reliability and throughput. Profile, benchmark and debug live systems What you’ll need ...

C++ Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Permanent
C++, Windows, Linux Red Hat, Multithreading, Low Latency, Quant Finance McGregor Boyall have partnered with a tech-first quant investment manager in London: Someone with experience in Windows-centric, multithreaded C++ and distributed systems could directly shape the performance and reliability of the firm's core trading platforms … support traders in real time. This isn't an isolated backend service: you'd be influencing front-office engineering, tight event loops, and low-latency user interactions from the ground up. The firm's platform spans C++ to open-source tools, automated workflows, and massive data throughput ...

TechOps Analyst, Equities

Hiring Organisation
Arc IT Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
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 ...

Application Support Engineer – Elite Systematic Trading Firm - Prop Trading - Market Leading Compensation - Hybrid - London

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
career-defining opportunity to join an engineering-driven firm where technology is core to every decision. You will provide mission-critical support for low-latency trading systems, automate infrastructure and application processes, and collaborate directly with trading, development, and infrastructure teams. You will operate in a high-performance … environment that values precision, initiative, and continuous innovation. Key Responsibilities Ensure maximum uptime of latency-sensitive trading platforms, proactively identifying and resolving production issues. Automate and enhance support functions using Python, SQL, and monitoring tools like Splunk and Grafana. Collaborate with traders, developers, and network engineers to troubleshoot live ...

Principal ASIC Architect - Photonic AI Processors (f/m/d)

Hiring Organisation
Q.ant GmbH
Location
Stuttgart, Baden-Württemberg, Germany
Employment Type
Permanent
Salary
EUR 125,000 - 150,000 Annual
provide technical leadership to internal photonics, firmware, and system integration teams, translating cutting edge photonic requirements into a processor architecture optimized for high bandwidth, low latency control of our photonic computing platform. What makes this role unique High complexity: Integrating processor architecture with novel photonic device control paradigms … like the Leibniz Supercomputing Centre. Your impact & responsibilities Within your first 18-24 months, you will: Deliver a processor architecture optimized for high bandwidth, low latency control of photonic integrated circuits in AI training and inference systems that achieve up to 30x energy efficiency vs. conventional systems. Ensure ...

Edge AI Engineer

Hiring Organisation
Mars Recruitment
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum
ever-changing world. Key responsibilities: Designing and optimising ML models to enhance secure communications and signal processing on a range of edge devices. Implementing low-latency, high-performance deep learning pipelines on hardware accelerators such as FPGA, TPU, and ASICs. Optimising CNN, Transformer, RNN, and/… architectures for deployment on low-power embedded systems. Apply quantisation, pruning, distillation, and model compression to enhance efficiency. Strengthening model robustness against adversarial attacks and system-level security threats. Collaborating with embedded and security engineers to align AI performance with real-world system constraints. Edge AI Engineer essential experience ...

Senior C# Developer - Head of Core Platforms | Hedge Fund | London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
supporting all aspects of market data processing and trading activity. The environment is fast‐paced, collaborative, and highly technical, where code quality, performance, and lowlatency systems are top priorities. Engineers work across domains, contribute to architectural discussions, and help shape scalable, robust systems. We have partnered with … critical systems Ability to lead by doing—hands‐on while guiding a team Pragmatic, delivery‐focused mindset Commitment to high‐quality engineering practices and lowlatency, high‐performance systems Low‐ego, high‐performing self‐starter who values ownership, teamwork, and delivering commercial, pragmatic solutions Why Apply This ...