Part-Time C++ Developer Jobs in London

24 of 24 Part-Time C++ Developer Jobs in London

Senior Low Latency Developer, C++ - Crypto (London Area)

London, UK
NJF Global Holdings Ltd
Senior Low Latency Developer, C++ - Crypto I am partnering with a leading global investment firm to find a Senior Low Latency C++ Developer to join their dynamic team in London. This is an exciting opportunity to play a pivotal role in enhancing the firm's market … access systems for low-latency and high-frequency trading in cryptocurrency markets. What You’ll Do: As a Senior Low Latency C++ Developer , you will work closely with traders, researchers, and other teams to develop and optimize high-performance systems for cryptocurrency markets. You will leverage your expertise … in C++ and low-latency development to drive improvements and provide innovative solutions that meet the high demands of crypto trading. Key Responsibilities: Enhance and optimize market access systems to meet the low-latency and high-frequency demands of cryptocurrency markets. Work directly with traders and researchers to deliver More ❯
Employment Type: Part-time
Posted:

C++ Developer (London)

London, UK
Source Technology
C++ Developer Initial 6 Month Contract London - 2 days a week onsite Rate DOE - via Umbrella One of our investment banking clients is currently on the search for a C++ Developer to join them on an interim basis. You will be joining them to work closely … with the Quantitative team to help on the restructuring of their platform and upgrade of their services. You will need expeirence in the following C++ Investment Banking - Front or Mid office Experience in the following will be advantageous C# C Python COM Please apply with an up to date More ❯
Employment Type: Part-time
Posted:

C++ Quant Developer - Multi-Strat Hedge Fund (London Area)

London, UK
Hybrid / WFH Options
Radley James
C++ Quant Developer – Cross-Asset Risk & Pricing | Leading Multi-Strategy Hedge Fund Join a high-performing quant team at a global multi-strategy hedge fund managing institutional capital across strategies including Global Credit, Volatility Arbitrage, and Equity L/S. With a strong focus on technology and collaboration … they are expanding its London platform. They are seeking a talented C++ developer to design and build a next-generation, cross-asset pricing and risk system. You’ll work closely with quants, traders, and risk teams to deliver high-performance infrastructure and real-time analytics - leveraging multithreading, vectorisation … adjoint differentiation, and cloud compute. What You'll Do: Develop C++ server architecture with Python/Excel front-ends Build real-time and batch routines for pricing, risk, and scenarios Collaborate with trading, quant, and tech teams in a fast-paced, agile setup Drive innovation in performance, scalability, and More ❯
Employment Type: Part-time
Posted:

C++ Developer (Bromley)

Bromley, Greater London, UK
Ascendion
Job Description: We are seeking an experienced and skilled C++ Developer to join our team. 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 in 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 6–8 years of server-side development experience in C++ , preferably on Linux/UNIX platforms. Strong understanding of C++ Standard Template Library (STL) , data structures , and multi-threading . Proven experience in using design patterns and a strong grasp of software design principles . Experience working More ❯
Employment Type: Part-time
Posted:

Low Latency C++ Developer - Algorithmic Trading (London Area)

London, UK
Hybrid / WFH Options
Thurn Partners
Low Latency C++ Developer - Algorithmic Trading Location: London Salary: Competitive Join Europe’s fastest growing algorithmic trading firm. Since skyrocketing in 2023 they have continued to be one of the top performing funds, returning upwards of 30% in 2024. The environment is collaborative, their approach is scientific and … handlers, trading gateways, trading platforms, and other systems surrounding it. Your present skill set: Excellent knowledge and experience in low latency Linux development using C++, STL and Boost Experience designing and implementing multithreaded and distributed systems Familiar with distributed network architecture Experience with C++ optimisation techniques Strong knowledge … to any job enquiry. Your application is subject to our privacy policy, found here: Please only apply if you have exceptional professional experience in C++ and buy side/tier 1 bank experience. More ❯
Employment Type: Part-time
Posted:

C++ Developer | Quantitative Research and Trading Firm (Digital Assets) (London Area)

London, UK
Techfellow Limited
Up to c. £350k Comp Package (or equivalent) | Flexible Working Options - On-Site Preference] Are you a C++ expert with a passion for building ultra-low-latency trading infrastructure? Our client, a global quantitative trading firm, is searching for a Core C++ Developer to push the boundaries … engineers to develop trading systems at the cutting edge of technology... Key Responsibilities Design and optimise high-performance, low-latency trading infrastructure in modern C++ (C++17/20) Develop and fine-tune order execution and risk management systems, ensuring robustness and efficiency Optimise CPU performance, memory management, and multi … Ensure fault tolerance and system resilience, maintaining seamless operation for continuous trading What You Bring... 3+ years of experience in high-performance, low-latency C++ development Proven ability to optimise network performance (TCP/UDP), including kernel bypass Expert-level proficiency in modern C++ (C++17/20) and More ❯
Employment Type: Part-time
Posted:

C++ Developer - Up to £170,000 + Bonus + Package (Greater London)

London, UK
Hybrid / WFH Options
Hunter Bond
C++ Developer 📍 Location: London (Hybrid) 💷 Salary: Up to £170,000 + Bonus + Excellent Benefits 🧑‍💻 Experience Level: 1+ Year of Hands-On C++ Development ⚡ The Role Are you passionate about speed, precision, and pushing hardware to its limits? A world-class buy-side institution is looking for … a high-calibre C++ Engineer to join their elite systems team. You’ll help engineer ultra-low-latency platforms that power trading at the microsecond level—where every line of code counts. This is a rare opportunity to work at the cutting edge of finance and systems engineering, solving … bottlenecks at every level of the stack 🚀 Drive innovation through deep systems and hardware-level optimization ✅ What You’ll Bring 💻 Expert knowledge of modern C++ (11/14/17/20) with a performance-first mindset 🧠 Strong understanding of computer architecture and CPU-level tuning 🔄 Experience with concurrency More ❯
Employment Type: Part-time
Posted:

Low-Latency C++ Developer (London Area)

London, UK
Campbell North
We are working with a global-leading trading firm, urgently looking for an exceptional C++ Developer to work on performance-critical systems. You will join an elite and incredibly performant team in London, whilst having the opportunity to gain more exposure to the research-side of the industry … and progress your role. Extensive low-latency C++ experience is crucial. Strong mathematical thinking and deep systems knowledge is also key, but an industry background is not necessarily required. Requirements: 4-10+ years of low-latency C++ experience Deep experience working with distributed systems Strong mathematical thinking More ❯
Employment Type: Part-time
Posted:

Quant C++ Developer - Mid-Level | Electronic Market Making | London (City Of London)

City of London, Greater London, UK
Selby Jennings
We're working with a top-tier trading firm hiring a mid-level C++ developer to join their Electronic Market Making desk in London. This team builds ultra-low-latency systems to provide continuous buy and sell quotes across global exchanges-capturing opportunities in milliseconds and driving tight … spreads in highly liquid markets. Key Responsibilities: Design and develop latency-critical systems using modern C++ (C++20/C++23) Build real-time infrastructure that supports quoting, pricing, and order execution Work closely with traders and quants to turn strategy into robust, production-ready code Optimise code paths for throughput … and speed, from hardware to exchange connectivity Requirements: 2 - 5 years of professional experience with modern C++ (minimum C++17) and system-level programming Solid understanding of computer architecture, OS internals, and networking fundamentals Background or keen interest in competitive programming (IOI, ICPC, Codeforces, etc.) Strong problem-solving ability and More ❯
Employment Type: Part-time
Posted:

C++ Developer (London Area)

London, UK
Ingenii Search
Ingenii Search are seeking a highly motivated and technically strong C++ Developer to join a successful, world leading FX Trading Desk. This is a hands-on role focused on developing high-performance trading systems in C++. You will work directly with traders, quants, and other technologists to deliver … solutions that drive trading performance and operational efficiency. Key Responsibilities Develop and maintain high-throughput trading applications in C++ Collaborate with traders to understand requirements and deliver tools to support pricing, execution, and risk management Work closely with quants and other developers to implement new trading strategies and models … respond to any front-office issues or incidents Key Requirements 2–5 years of professional software development experience is ideal Strong proficiency in modern C++ (C++14/17/20) Why Join Us Work in a dynamic, fast-paced front office environment Direct impact on trading outcomes and PnL More ❯
Employment Type: Part-time
Posted:

Senior C++ Developer | Remote Crypto Trading (East London)

East London, UK
Hybrid / WFH Options
Selby Jennings
Job Title: Senior Software Engineer (C++) Location: Fully Remote Company: Crypto Trading HFT About the Company: Our client is a cutting-edge high-frequency trading (HFT) firm specializing in cryptocurrency markets. They are dedicated to leveraging advanced technology and innovative strategies to stay ahead in the fast-paced world … environment where contributions can make a significant impact. Job Description: Role Overview: Our client is seeking a highly skilled Software Engineer with expertise in C++ and a strong background in crypto exchange connectivity. As a key member of the engineering team, the candidate will be responsible for developing and More ❯
Employment Type: Part-time
Posted:

Senior C++ Developer | Remote Crypto Trading (City of London)

City of London, Greater London, UK
Hybrid / WFH Options
Selby Jennings
Job Title: Senior Software Engineer (C++) Location: Fully Remote Company: Crypto Trading HFT About the Company: Our client is a cutting-edge high-frequency trading (HFT) firm specializing in cryptocurrency markets. They are dedicated to leveraging advanced technology and innovative strategies to stay ahead in the fast-paced world … environment where contributions can make a significant impact. Job Description: Role Overview: Our client is seeking a highly skilled Software Engineer with expertise in C++ and a strong background in crypto exchange connectivity. As a key member of the engineering team, the candidate will be responsible for developing and More ❯
Employment Type: Part-time
Posted:

Senior C++ Developer | Remote Crypto Trading (Central London / West End)

Central London, UK
Hybrid / WFH Options
Selby Jennings
Job Title: Senior Software Engineer (C++) Location: Fully Remote Company: Crypto Trading HFT About the Company: Our client is a cutting-edge high-frequency trading (HFT) firm specializing in cryptocurrency markets. They are dedicated to leveraging advanced technology and innovative strategies to stay ahead in the fast-paced world … environment where contributions can make a significant impact. Job Description: Role Overview: Our client is seeking a highly skilled Software Engineer with expertise in C++ and a strong background in crypto exchange connectivity. As a key member of the engineering team, the candidate will be responsible for developing and More ❯
Employment Type: Part-time
Posted:

Senior C++ Developer | Remote Crypto Trading (Central London / West End)

West London, UK
Hybrid / WFH Options
Selby Jennings
Job Title: Senior Software Engineer (C++) Location: Fully Remote Company: Crypto Trading HFT About the Company: Our client is a cutting-edge high-frequency trading (HFT) firm specializing in cryptocurrency markets. They are dedicated to leveraging advanced technology and innovative strategies to stay ahead in the fast-paced world … environment where contributions can make a significant impact. Job Description: Role Overview: Our client is seeking a highly skilled Software Engineer with expertise in C++ and a strong background in crypto exchange connectivity. As a key member of the engineering team, the candidate will be responsible for developing and More ❯
Employment Type: Part-time
Posted:

C++ Developer - Tech First Systematic Trading Firm (London Area)

London, UK
Stanford Black Limited
a dynamic, global, and collaborative environment, with a strong commitment to engineering excellence. This role does not require any prior finance experience, just strong C++ developers with a keen interest in this space. Key Responsibilities: Design, develop, and deliver production-critical software. Work closely with stakeholders and team members … design discussions while mentoring other team members. Qualifications: Must Have: Bachelor's Degree in Engineering, Computer Science, or a related field. 3+ years of C++ development experience in a Linux environment. Strong understanding of data structures and algorithms. Excellent communication skills and a collaborative, team-oriented approach. Nice to More ❯
Employment Type: Part-time
Posted:

C++ Developer (London Area)

London, UK
HFT Prop Fund
Overview: We are seeking a highly skilled C++ Software Engineer to join a leading high-frequency trading firm renowned for its cutting-edge technology and innovative approach to financial markets. You will work alongside some of the brightest minds in the industry, contributing to the design, development, and optimisation … and debugging techniques to improve system performance. Stay ahead of the curve by evaluating and implementing the latest technologies. Requirements: Strong proficiency in modern C++ (C++17/20 preferred), with a deep understanding of object-oriented programming and multi-threading. Solid understanding of low-latency system design and performance … a strong emphasis on innovation and continuous learning. Access to cutting-edge tools and technology to support your work. If you are a passionate C++ engineer looking to make a significant impact in the financial technology space, we would love to hear from you. Apply now to be part More ❯
Employment Type: Part-time
Posted:

New Trading Team's 1st C++ Quant Developer | HFT (London Area)

London, UK
Augmentti
Are you ready to be part of something truly special as the first quant developer for a brand-new trading team? In short: We’re working with an elite global trading firm known for its success in high-frequency trading (HFT) but operating under the radar (they aren't … trading desk in London, led by a top PM with a proven track record. This is a rare opportunity to be the first quant developer on the team and help shape the future of their trading stack with the freedom to innovate while sharing in the potential for massive … a Humble Leader : You’ll work closely with a brilliant PM who has a strong technical background (from reinforcement learning strategies to low-latency C++ coding) and a pragmatic, collaborative approach. This is someone who’s not only mastered complex trading strategies but is also focused on building a More ❯
Employment Type: Part-time
Posted:

Senior Developer (C++) (London Area)

London, UK
LevelUP HCS
following skills and experience are required for this role: Technically minded. Comfortable both as architect and hands-on developer. Previous development experience in primarily C++, with C# experience desirable. Using SQL, preferably MS SQL Server. Experience with Git-based source control platform – beneficial. Experience with Atlassian products (Confluence, JIRA More ❯
Employment Type: Part-time
Posted:

Senior C++ Developer - High Frequency Trading - $800k+ (London Area)

London, UK
Mondrian Alpha
A world leading high frequency trading business are seeking to add the strongest C++ developers on the market into a number of their teams covering a variety of responsibilities from distributed compute, trading systems performance optimization and improvement, and product specific development. Design, improve and maintain the technology that … powers worldwide trading. Write trading algorithms. Build world-class research environments. C++ OS internals, CPU architecture and networking hardware. The business is truly at the forefront of trading technology, you can expect to receive industry leading compensation/benefits and flexible working all while you work alongside some of More ❯
Employment Type: Part-time
Posted:

Low Latency C++ Developer (London Area)

London, UK
Proprietary Trading Firm
and systematic traders, however we are now looking to expand our scope by adding new trading pods. We are therefore looking for competent, Senior C++ Engineers who have experience building low latency software for PMs. Our latency is measured end-to-end, front-to-back, so we are looking More ❯
Employment Type: Part-time
Posted:

C++ Quant Developer/Researcher - FX (London Area)

London, UK
High Frequency Trading Firm
Quantitative Developer/Researcher – FX, London Join the Cutting Edge of Systematic Trading! Are you passionate about merging technology with high-stakes finance? We're looking for a top-tier Quantitative Developer/Research Engineers to drive innovation at the heart of automated trading. Collaborate with brilliant minds … ahead of the market What You Bring A burning passion for technology, software development, and the thrill of tackling complex mathematical challenges Mastery of C++ with an added bonus if you know Python Experience building high-performance trading software, with a relentless focus on speed and efficiency Deep understanding More ❯
Employment Type: Part-time
Posted:

C++ Quant Developer - Multi-Asset Risk Platform - Elite Hedge Fund (London Area)

London, UK
Mondrian Alpha
A prestigious, multi-strategy hedge fund managing billions in global AUM is seeking a highly skilled Quantitative Developer to join their front-office quantitative research team. This role focuses on the design and implementation of a state-of-the-art, cross-asset pricing and risk platform, built with a … C++ server and lightweight Python and Excel client interfaces. You will work directly with quantitative researchers, risk teams, and technologists in a fast-paced, collaborative environment, driving the development of scalable infrastructure to support advanced analytics and decision-making. Key Responsibilities: Architect and implement a robust server-client platform … IT teams to deliver high-impact systems. Ideal Candidate Will Have: A Bachelor’s degree or higher in a STEM discipline. Expert proficiency in C++ development. Experience with Python, Excel, and SQL on Windows and Linux environments. Familiarity with GitHub and VS Code is a plus. A hands-on More ❯
Employment Type: Part-time
Posted:

Lead C++ Software Developer - Order Gateway (City Of London)

City of London, Greater London, UK
Selby Jennings
on-year growth, they offer engineers a rare opportunity to build high-performance, low-latency systems at scale. They're now hiring a Lead Developer to manage a team of C++ engineers while remaining technically hands-on. Your Role in the Order Gateway Team: Lead a specialised team … development, testing, and support. Drive delivery of robust, scalable, low-latency systems. Collaborate with trading, infrastructure, and operations teams globally. Key Requirements: Expert-level C++ and solid Python skills (10+ years). Deep understanding of Linux, networking, and data structures. 5+ years leading technical teams or projects, in a More ❯
Employment Type: Part-time
Posted:
C++ Developer
London
10th Percentile
£52,500
25th Percentile
£100,000
Median
£120,000
75th Percentile
£153,750
90th Percentile
£177,000