1 to 25 of 34 Low Latency Jobs in the City of London

Electronic Trading Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
Senior Trading Systems Developer London | Hybrid Electronic Trading/Low Latency Infrastructure/Crypto Markets A leading global digital assets and trading technology business is looking to hire a Senior Trading Systems Developer to help build and optimise high-performance trading infrastructure supporting market making, OTC, systematic trading … electronic execution environments. This role sits at the intersection of low-latency software engineering and infrastructure optimisation, focused on maximising throughput, minimising latency, and delivering deterministic performance across critical trading workflows. The Role Design and develop low-latency trading systems supporting market data, execution ...

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 Software Engineer - Low Latency

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
13+ billion. For more information on how we process your personal data, please refer to HCLTech’ s Candidate Data Privacy Notice. Must Have – Java, Low-latency, financial services background, and hands on coding skills "Our app relies heavily on async development, we use vertex. it takes significant time … already have significant intuition with that, and some modern messaging like Aeron or ZeroMQ." DETAILED RESPONSIBILITIES- - 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 ...

Solace Messaging Administrator

Hiring Organisation
Searchability (UK) Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
+ Bonus 4 days per week onsite in Canary Wharf Supporting critical enterprise Solace messaging systems Opportunity to work within a low latency, high throughput trading environment ABOUT THE CLIENT We're supporting a globally recognised financial services and technology organisation operating at the forefront of electronic trading … continued growth within their Messaging team, they're looking to appoint an experienced Solace Messaging Administrator to help support and optimise a critical low latency messaging environment. You'll be joining a highly technical, collaborative team responsible for delivering resilient, high throughput messaging systems that underpin pricing, trading ...

C++ Software Engineer

Hiring Organisation
Durlston Partners
Location
City of London, London, United Kingdom
C++ Software Engineer – High-Frequency Trading Looking for a C++ Engineer with strong commercial experience in low latency or ultra-low latency systems, to join a systematic trading firm operating at the cutting edge of high-frequency trading. Role Overview: You will work across the full … building and optimising the infrastructure that powers live trading at scale. Design and implement high-performance C++ systems targeting sub-microsecond and nanosecond-level latency Optimise production code for speed, reliability, and throughput under live market conditions Collaborate directly with traders, quant researchers, and fellow engineers on technically demanding ...

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 ...

Senior Software Engineer - Quantum Computing

Hiring Organisation
DeepRec.ai
Location
City of London, London, United Kingdom
work on complex, performance-critical systems at the intersection of software, hardware, and scientific research. The successful candidate will contribute to the development of low-latency control and orchestration software used in production environments, collaborating closely with engineering, hardware, and research teams. Key Responsibilities Design, develop, and optimise … core systems software using Python, C++, and/or Rust. Own critical platform components and drive improvements in performance, reliability, scalability, and operability. Develop low-latency interfaces between specialised hardware platforms and classical compute infrastructure. Collaborate with hardware and research teams to integrate new technologies from prototype through ...

React.js UI Developer - Low Latency

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
information on how we process your personal data, please refer to HCLTech’ s Candidate Data Privacy Notice. Job Description: UI Developer (React, TypeScript and Low-Latency) Role Overview- We are seeking a highly skilled UI Developer with strong expertise in building time-critical, high-availability, and high-performance … frameworks like Playwright or Cypress Desired Experience Experience working on financial services or trading platforms is an advantage Strong understanding of performance optimization and low-latency UI applications Experience with highly available, mission-critical systems. ...

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 ...

Rust Developer - Electronic Trading Platform

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
candidate will work on sophisticated electronic trading systems, helping to build and improve platforms that operate in highly volatile, 24/7 markets where latency, reliability and quality of execution are critical. THE ROLE: This is a hands-on Rust Development role in a small team with a democratic … volatility models, execution algorithms, research tooling and infrastructure. This is a highly technical role in a fast-moving environment where engineering quality, performance and latency have a direct impact on trading outcomes This role is based in London on a hybrid working pattern. KEY RESPONSIBILITIES: Design & continuously improve low ...

C++ Software Engineer - Relocation to Amsterdam

Hiring Organisation
Elevate Partners
Location
City of London, London, United Kingdom
systems driving millions of trading decisions daily across global markets. The successful candidate will join a highly collaborative engineering environment focused on building ultra-low latency, high-performance systems that directly impact trading performance. The engineering team develops software operating within the latency-critical layer … data handling, trading algorithms, execution systems, and advanced hardware integrations. Key Responsibilities Design, develop, test, deploy, and maintain high-performance C++ applications within a low-latency trading environment Build scalable and reliable software solutions for trading, execution, and hardware development teams Work closely with traders, quantitative researchers ...

Synthetics Lead Developer

Hiring Organisation
Thomson Keene
Location
City of London, London, United Kingdom
What you’ll be doing: Working closely with front office stakeholders to gather and deliver on business requirements Leading the design and development of low-latency, event-driven systems Building scalable microservices-based applications for equity derivatives platforms Driving architecture, system design and performance optimisation Contributing across pricing … experience Experience with greenfield architecture/platform builds Experience building event-driven/distributed systems (Kafka, Solace or similar) Proven track record working on low-latency, high-performance platforms Experience working in front office or markets technology environments Exposure to equity derivatives, synthetics or prime services is highly ...

Quantitative Developer

Hiring Organisation
Fionics
Location
City of London, London, United Kingdom
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 … C++/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 ...

Penetration Tester - Quant trading firm - London

Hiring Organisation
La Fosse
Location
City of London, London, United Kingdom
engineers on attack vectors, exploitation techniques, and secure design principles Stay current with emerging threats and offensive security techniques relevant to financial systems and low-latency environments Requirements 5+ years of experience in penetration testing, red teaming, or security assurance, with hands-on exposure to complex, large-scale … tooling, exploits, or fuzzers; CI/CD security integration; red team or purple team engagement experience; familiarity with containerised or Kubernetes environments; knowledge of low-latency or financial trading systems; relevant certifications such as OSCP, OSEP, OSCE, CRTO, CCT APP, or CCT INF. For more information, please apply. ...

Principal Machine Learning Engineer

Hiring Organisation
5V Video
Location
City of London, London, United Kingdom
data, and platform teams. Key areas of focus include: Real-time sports insights & personalisation Computer vision & multimodal AI Live event detection & metadata generation Low-latency ML inference systems End-to-end MLOps & production ML Scalable cloud-native AI platforms What they’re looking for: Strong experience leading … Advanced Python skills with frameworks such as PyTorch or TensorFlow Proven experience in productionising ML systems at scale Strong knowledge of streaming architectures and low-latency systems Technical leadership and mentoring experience Ability to communicate effectively with technical and non-technical stakeholders The environment is fast-moving, highly ...

Senior Product Manager

Hiring Organisation
Metrics Recruitment
Location
City of London, London, United Kingdom
light data analysis as needed. Ensure integration with market data feeds and execution systems using the FIX protocol. Maintain a focus on system latency, ensuring low-latency execution pathways and minimizing delays across the platform. Required Qualifications Demonstrated experience owning and shipping customer-facing UI products used … engineers on system design and infrastructure to deliver complex, customer-facing products. Proficiency in Python scripting for basic automation or data parsing. Awareness of latency-critical systems and the ability to make trade-offs between speed, scalability, and reliability. Nice to Have Familiarity with cybersecurity principles, identity/access ...

Senior Software Engineer / Principal Software Engineer - C++, Python

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £140,000 per annum
Futures & Options and Fixed Income and Exchange Connectivity. Job Overview You will work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient ...

Equities / Fixed Income Trader - Career Transition to Business Analyst / Product Manager

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £100,000 per annum
Linux and general networking (TCP/UDP, multicast data delivery). Understanding of distributed server architectures. Desirable Knowledge Of Any (Beneficial): Understanding of ultra-low latency distributed computing environments. Familiarity with the FIX trading protocol and various market data systems (Reuters, Bloomberg, CQG). Previous experience with specific ...

Business Analyst / Product Manager - Equities

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £95,000 per annum
networking (TCP and UDP) and multicast data delivery Good understanding of distributed server architectures running on Linux Knowledge Of Any Desirable: Understanding of ultra-low latency distributed computing environments. Familiarity with FIX trading protocol and market data systems. Understanding of traditional and on-premises physical infrastructure and distributed ...

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 ...

Software Engineer - London - Up to £140,000 Starting Base + Exceptional Bonuses/Benefits

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
technologies to power real-time decision-making at scale. Your Responsibilities (Full Spec Available) Design, develop and optimise high-performance trading systems operating in latency-sensitive environments Write efficient, production-grade code focused on minimising latency, maximising throughput and ensuring reliability under demanding market conditions Collaborate with traders … techniques and advanced tooling to maintain and enhance competitive advantage Who You Are Strong proficiency in an object-oriented programming language (technology agnostic), with low-latency, distributed systems or performance-critical development experience preferred Deep understanding of data structures, algorithms, operating systems, networking and computer architecture Experience designing ...

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 ...

Software Engineer

Hiring Organisation
Metric
Location
City of London, London, United Kingdom
grade systems that directly impact customers and drive innovation. Key Responsibilities: Develop and maintain systems-level software for advanced computing platforms. Build and optimise low-latency software interfaces and hardware integrations. Contribute to DevOps, CI/CD pipelines, monitoring, and observability tooling. Lead technical projects from design through ...

Senior Headhunter Quant & Trading Technology

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
Quant & Trading Technology vertical - focused on elite technologists who directly impact trading performance and P&L. We specialize in placing: • Quant Developers (C++, Python, low-latency specialists) • Trading Systems Engineers • Platform & Infrastructure Engineers supporting systematic trading • Execution, electronic trading, and market connectivity specialists • High-performance computing and distributed ...

Full Stack Engineer

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
collaboration skills Preferred Experience Background in finance, capital markets, trading platforms, or digital assets Experience within crypto, blockchain, custody, or exchange infrastructure Familiarity with low-latency systems or real-time trading environments Experience with cloud infrastructure (AWS/GCP/Azure) Knowledge of modern frontend frameworks and Node.js ...