1 to 25 of 42 Low Latency Jobs in the City of London

C++ Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
C++ Developer (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Back-end) ***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 … could be the ideal place for you to develop your career. Benefits (not exhaustive list): C++ Developer(Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Back-end) Competitive salary 25 days annual leave - not including bank holiday Private medical insurance Flexible working hours Company pension Group Policies ...

Senior Software Engineer C++

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Senior Software Engineer C++ (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 … ideal place for you to develop your career. Benefits (not exhaustive list): Senior Software Engineer C++ (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 ...

Senior Java Developer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£130000 - £150000/annum
Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert (SME) in low latency trading systems. This is a hands-on development role focused on building and enhancing pricing, hedging, and market connectivity systems … front-office environment, collaborating closely with developers, business analysts, project managers, and QA teams. This role demands deep technical expertise in Java , particularly in low latency environments , and a strong understanding of FX trading systems . You'll be expected to contribute to all phases of the software ...

C Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
C++ Software Engineer – LowLatency Trading Contract - OUTSIDE IR35 Rate - Dependent on skills London - Hybrid working 50% in office. You'll be joining a high‐performance trading technology firm. Helping to building ultra‐lowlatency systems powering global electronic markets. Working alongside world‐class engineers solving … complex challenges across C++, Linux, networking, and hardware‐accelerated trading pipelines. What You'll Do Build and optimise high‐performance, lowlatency C++ applications Develop real‐time systems interacting directly with global exchanges Work closely with FPGA, network, and infrastructure teams Improve latency, throughput, and reliability across ...

Senior Java Developer - Low Latency

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
have significant intuition with that, and some modern messaging like Aeron or ZeroMQ." 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. … 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 ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role is based in the UK or US and offers the opportunity to build … SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with ...

Software Engineer

Hiring Organisation
Finalto
Location
City of London, London, United Kingdom
accurately. As the business continues to grow, we are looking for a Software Engineer to join our Integration Team, responsible for providing reliable and low latency connectivity to our top tier liquidity providers – such as BNP, Goldman Sachs and Barclays – our clients and to trading venues using … London, Singapore, Australia, Dubai and the US. The Role You will be part of the Integration team, working on systems that provide reliable, low-latency connectivity to liquidity providers and trading venues using the FIX protocol. You will be involved in the full software development lifecycle — from requirements ...

C++ Lead / Engineering Manager - Systematic Trading

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
suited to someone operating at lead or manager level who still enjoys being close to the code. The focus is on building and improving low-latency, production trading systems across systematic trading, automated trading, and execution. You will work closely with traders, quants, and engineers to deliver robust … with direct impact on trading performance. Responsibilities: Lead the design and development of core trading and execution systems in modern C++ Build and enhance low-latency infrastructure used across systematic trading and execution Work closely with traders, researchers, and senior engineers to turn ideas into production capability Improve ...

Senior C# Developer - Head of Core Platform | 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 ...

Java Developer – Market Connectivity

Hiring Organisation
Solytics Partners
Location
City of London, London, United Kingdom
performance, scalable services using Core Java (8/11/17) . Build and enhance components for pricing, order routing, and execution workflows. Apply low-latency, event-driven, and asynchronous design patterns to improve throughput and efficiency. Troubleshoot and resolve connectivity, performance, and messaging issues in production. Conduct … latency tuning, load testing, and system optimization. Collaborate with SRE/DevOps teams to improve observability, CI/CD, and deployment pipelines. Key Requirements: Strong expertise in Core Java, including concurrency, memory management, and GC tuning. Hands-on experience integrating and developing with TransFICC’s Connectivity Platform. Experience with ...

Senior Enterprise Sales

Hiring Organisation
Harrington Starr
Location
City Of London, England, United Kingdom
technology platform used by Tier-1 financial institutions to monitor, analyse and optimise mission-critical trading and infrastructure environments. The software sits deep within low-latency, high-throughput financial systems where uptime, performance and operational intelligence are business-critical. Following sustained global growth, new product launches and strategic … exceeding targets Experience from the following areas is particularly relevant: Observability platforms Infrastructure monitoring APM/telemetry platforms Data infrastructure Market data infrastructure Low-latency or trading technology platforms Culture & Environment High-performance but low-ego environment Salespeople trusted to run complex deals autonomously Strong pre-sales ...

Senior Java Engineer (WebFlux)

Hiring Organisation
Fynity
Location
City of London, London, United Kingdom
Hybrid (1 day per week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work at the core of real … within a high-performing engineering team, building asynchronous, message-driven systems designed for scale, resilience, and near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with ...

Senior Network Engineer - WAN + Automation : Trading Firm : CCDE/CCIE : £150-200k+

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
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 ...

Linux Systems Administrator Banking/Trading Fintech

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
critical role supporting, maintaining, and enhancing cutting-edge Exchange Technology platforms used by market participants worldwide. This is a high-visibility position within a low-latency, performance-driven financial environment. 5+ years Linux system administration in modernRed Hatbased environments(RHEL, CentOS, Rocky Linux) supporting production systems Strong, hands … onBash scripting able to design, optimise and debug complex automation Extensive experience engineering, deploying and operating RHEL platforms Experience supporting low-latency systems and/or working within financial services (highly desirable . ...

Lead Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
Lead Rust Engineer Up to 120,000/130,000 Hybrid in London/Milton Keynes Low Latency | Async Rust | Tokio Drones We have a new and exclusive partnership with one of the most exciting scale-ups in Europe, who are looking to double in size their engineering … such as C, C++, or Core Java. Candidates from functional backgrounds such as Scala, Erlang or Clojure are also encouraged to apply. Experience developing low-latency, high throughput systems. Nice to have: Experience working with drones or robotics experience working with microcontrollers ...

Java Risk Engineer – Multi-strat Hedge Fund – £250k TC

Hiring Organisation
Saragossa
Location
City of London, London, United Kingdom
/PMs, building risk calculation models and utilising innovative technology will be your day-to-day here. Supporting the business grow by building sophisticated, low-latency applications is the main remit, and you'll be given everything you'll need to succeed with that. The culture here … class in their field), meaning your performance-related bonus will be better than most. They're a Java house, so previous experience building low-latency applications in Java is a must here. If you've got exposure/an understanding of Equities/. Fixed Income products then ...

Python Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
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 ...

Data Engineer

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
storage layers that power systematic strategies, intraday analytics and risk management. You’ll collaborate with traders, quants and data scientists to deliver high‐quality, lowlatency data into cloud‐native environments, with a strong focus on automation, reliability and self‐service. What you’ll be doing Designing, building … AWS. Exposing high‐value data sets to traders, quants and data scientists via internal APIs, Python libraries and self‐service tools. Monitoring data quality, latency and system health, and troubleshooting issues that impact front‐office users during trading hours. Working closely with front‐office stakeholders to understand commercial priorities ...

C# Developer - Front Office Engineering | Hedge Fund - London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
several years and have placed multiple engineers into the team, so can provide detailed insight into structure, expectations, and progression. The fund looks for low‐ego, high‐performing engineers who enjoy ownership, collaboration, and solving complex problems with pragmatic, commercial solutions. You’ll have direct interaction with PMs, quants … widely used across quant and data groups Open to candidates from other OO backgrounds (C++, Java, Go) with strong fundamentals Exposure to high‐performance, lowlatency, or business‐critical systems is valuable Financial markets experience is not essential, but interest in Fixed Income/Rates is beneficial Requirements ...

Experienced Crypto Quantitative Developer

Hiring Organisation
NJF Global Holdings Ltd
Location
City of London, London, United Kingdom
high-performance crypto trading team and work directly with traders and quantitative researchers. What you’ll be doing Build and optimise high-frequency, low-latency crypto trading systems Design and implement alpha generation and trading algorithms Implement exchange-specific market rules across major crypto venues Partner closely with ...

Cash equities IT Business Analyst

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
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. ...

Senior C++ Engineer

Hiring Organisation
Tatton Recruitment Group
Location
City of London, London, United Kingdom
role is on an initial contract till the end of the year and is hybrid. You will play a key role in delivering ultra-low latency, deterministic performance, reliability, and scalability, while helping shape the next generation of our systematic and algorithmic trading systems. The company ...

Quant Developer OTC Pricing

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Physics or Quantitative Finance Ability to operate effectively in a role that bridges quantitative modelling and production engineering DESIRABLE - SKILLS/EXPERIENCE: Familiarity with low-latency system optimisation, such as GC tuning or tools/frameworks used in high-performance messaging environments Understanding of derivatives pricing and risk ...

C++ Trading Platform Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
standards of top-tier high-frequency trading firms with the pace and ownership of a technology start-up. You’ll work on a global, low-latency trading platform spanning multiple continents, covering: Real-time market data capture Order entry and connectivity across numerous exchanges Robust networking and monitoring … compensation with strong earning potential Central London office with flexible working arrangements (hybrid) Visa sponsorship and relocation support available If you’re passionate about low-level systems, high-performance C++, and building robust trading infrastructure from the ground up, this is a rare opportunity to make a direct impact ...

Python Software Engineer

Hiring Organisation
Durlston Partners
Location
City of London, London, United Kingdom
trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly scalable, ultra-low latency trading systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges … quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at nanosecond-level latency and handle massive volumes of real-time data. Key Responsibilities Develop and maintain systems for real-time market data, trade execution, and reconciliation. Optimise ...