20 of 20 High-Frequency Trading Jobs in the South East

Senior C++ Developer - High Frequency Trading, New Office Buildout (London) Overview: Our client is expanding with a new office in London and is seeking the first C++ developers to join this exciting venture. Founded in 2014, they are a quantitative investment firm that has assembled a team of researchers, portfolio managers, and technologists. By … leveraging quantitative analysis and insights in financial markets, they excel in some of the most intricate and competitive products. As a growing electronic trading firm, they blend disciplines such as computer science, finance, systems engineering, and statistics. Their dedicated engineers and traders have developed some of the fastest trading systems. Their competitive edge lies in their … aspects of computing. Extensive experience with C/C++ and object-oriented programming, showcasing the ability to write efficient, maintainable, and scalable code. Proven experience in the high-frequency trading (HFT) industry, with a deep understanding of the unique challenges and requirements of this fast-paced environment. Expertise in algorithms and data structures, with More ❯

Job title: Software Engineer (C++, Python or Java) Client: Elite High Frequency Trading Firm Salary … Base (+ Bonus) Location: London/Hybrid My client are seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions … you will liaise with Senior Stakeholders such as PMs, Quants and Traders As a Software Engineer you will have the following responsibilities: Design, develop, and maintain high-performance trading applications. Performance tuning of state of the art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and enhance trading More ❯

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 the typical firm you hear about). They’re setting up a brand-new trading … ll have the autonomy to create an entire trading platform from the ground up, leveraging the firm’s core infrastructure while optimizing system performance for high-frequency, low-latency trading. Work with a Humble Leader: You’ll work closely with a brilliant PM who has a strong technical background (from reinforcement learning strategies to … Linux, Unix, High-Performance, Operating Systems, Real-Time, Algorithms, Algorithmic Trading, Electronic Trading, E-Trading, Systematic Trading, High-Frequency Trading, HFT, High Frequency, Startup, Scaleup, Prop Trading, Execution, Algo Trading, Quant Trading, Parallel Computing More ❯

Job Title: Python Software Engineer Client: Elite High Frequency Trading Firm Salary: £70,000 - £225,000 Base (+ Bonus) Location: London/Hybrid Role: My client is looking for an experienced Python Software Engineer to join their rapidly expanding development team, leveraging Python to streamline and automate critical processes. With a commitment to the … proactive attitude towards adopting new technologies. Ability to thrive in a fast-paced, adaptable, and high-pressure environment, delivering results efficiently. Responsibilities: Design, implement, and optimize trading algorithms, order execution systems, and real-time data processing tools using Python to support front office trading strategies. Work closely with traders and quant teams to understand … requirements, translate them into technical solutions, and enhance the trading platform’s functionality and performance. Focus on improving system performance, minimizing latency, and ensuring high availability of trading systems, with a strong emphasis on efficient Python coding practices. Develop tools for real-time monitoring, risk assessment, and analytics, ensuring the systems can handle large More ❯

Our client, a firm where O(n) is considered a catastrophic failure, is looking for L4/L5 C++ Engineers for their Core Trading Technology team. This is a role for developers who believe the OS is just a bootloader for their application and that true performance begins where the kernel ends. The Role You'll be hands … on, optimizing core trading infrastructure until it's little more than a thin, beautiful layer on top of the silicon. Your goal is to build high-performance, scalable systems with a religious devotion to ultra-low latency and deterministic performance. You'll be interacting with Central Limit Order Books (CLOBs), which are basically the final boss … of concurrent, high-throughput data structures. Key Responsibilities: What You'll Actually Be Doing Architecting in C++: You will design and implement trading systems using modern C++. We expect you to have strong opinions on C++20/23 features and to write code so efficient it makes compilers weep with joy. Applying Mechanical Sympathy: You don More ❯

Join a globally renowned high-frequency trading firm and a highly respected, multi-strategy hedge fund at the forefront of systematic and quantitative research. We are looking for exceptional senior quant researchers/traders to join our systematic trading strategies team in New York City, London or Europe. Competitive compensation & performance-based … bonuses Your Role: As a Senior Quantitative Researcher, you will lead the development and optimization of high-frequency trading strategies in traditional financial markets. You will work closely with world-class engineers, quants, and traders to solve complex real-time challenges using advanced quantitative techniques and cutting-edge technology. Key Responsibilities: Develop and optimize … systematic, high-frequency trading strategies. Conduct quantitative research to uncover market inefficiencies and improve model robustness. Collaborate with engineering teams to build scalable, low-latency trading systems. Leverage machine learning and statistical methods to enhance signal generation and performance. Mentor junior researchers and foster a culture of technical excellence and collaboration. Who More ❯

Job title: C++ Software Engineer Client: Elite Prop Trading Firm Salary … Base (+ Bonus) Location: London/Hybrid My client are seeking a C++ Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions … the most cutting edge technologies and boast a world class technical team where you will work and learn from the best. Responsibilities: Design, develop, and maintain high-performance C++ trading applications. Optimize code for maximum speed and efficiency, minimizing latency. Implement and enhance trading algorithms in collaboration with quantitative researchers and traders. Develop and More ❯

Job Title: Application Support Client: FinTech trading Salary: Up to £120,000 + Bonus/Benefits Location: London (Hybrid) My client are a completely tech driven proprietary trading firm, looking to expand their Application Support team, and would like someone with prior front office experience to provide technical support and engineering functions in support of their … proprietary and third party trading systems. This role will be highly technical with a large focus on automation! responsibilities: Ensure readiness of the global trading platform for both pre-trading and post-trading activities. Monitor and support the entire transaction flow across the trading platform. Promptly identify, analyse, and resolve … alerts and issues, or escalate them to minimize disruptions in trade flow and prevent outages. Collaborate extensively with the trading community, back office operations, brokers, exchanges, development teams, and infrastructure teams. Supervise automated processes, scheduled jobs, and routine reports. Create tooling and automate processes where necessary to optimise workflows/inefficiencies Liaise with Dev and Infrastructure teams to More ❯

Our client, a major High-Frequency Trading firm, is looking to hire a C++ Software Engineer to help develop and build out their HFT and MFT trading platforms. This individual will work closely with one of the firm's most successful Trading teams to help optimise their trading … firms, collaborate with an exceptionally talented team operating in a hybrid approach, and earn market-leading compensation packages. Responsibilities: Work directly on Mid-Frequency and High-Frequency Trading platforms and collaborate with some of the firm's top Traders Assist in the development and optimization of a top-class trading … of hands-on experience with C++ Software Engineering experience within the financial industry (ideally at a HFT firm, Hedge Fund or leading investment bank) Previous exposure working on Trading Systems Experience with Python development would be a plus Familiarity with Linux BS in Computer Science, Engineering, or related quantitative discipline To discuss the role in confidence, please reach More ❯

A leading global trading firm is expanding its Core Engineering and Platform Infrastructure team in London. We are seeking exceptional C++ developers with a deep understanding of systems-level programming and a passion for performance. Ideal candidates have experience in competitive programming and are ready to tackle some of the most complex engineering challenges in finance. Key Responsibilities … Design and implement high-performance C++17+ infrastructure libraries and tools. Develop ultra-low latency systems for global trading operations. Engineer core platform components: memory allocators, kernel bypass, custom RPC, and distributed compute frameworks. Optimise performance at the hardware/software boundary, including GPU acceleration and CUDA-based compute. Work on Linux kernel internals, networking stacks, and … tools. Background in platform engineering, distributed systems, or high-performance computing. Preferred Background: Participation in competitive programming contests (IOI, ICPC, Codeforces, etc.). Experience in high-frequency trading, market data systems, or real-time infrastructure is a plus. Please apply for more info More ❯

Our client, a Leading High-Frequency Trading Firm, is looking to hire a skilled Quantitative Developer/Python Engineer to collaborate directly with a successful HFT team. This role gives you the opportunity to join one of the world's most successful hedge funds, collaborate with an exceptionally talented team operating in a hybrid … approach, and earn market-leading compensation packages. Responsibilities: Develop, upgrade, and optimize real-time HFT trading platform Work closely with experienced Traders and help them build out their new trading strategies Build analytical tools to help manage portfolio risk, pre/post trading analysis and performance attribution Help on-board new instruments and backtest … existing ideas on new instruments Monitor system health and implement tools and techniques to enhance trading activity Desirable Candidates: 3+ years of hands-on coding experience building real-time trading systems Strong Python experience. Machine Learning libraries experience is a plus C++ background is advantageous. Experience building production infrastructure for signal generation, backtesting and execution Bachelors More ❯

on key operations. **Responsibilities** - Improve low -latency trading infrastructure - Optimize pricing engine performance - Enhance network infrastructure for fast data transmission - Develop and test features for high-frequency trading and risk management **Technical Skills Required** - Strong Rust programming skills (minimum 2 years) - Experience with latency - sensitive applications - Ability to write high More ❯

systems with a particular focus on Surveillance, Trading, and Market Connectivity platforms. This is a role that sits at the sharp end of a high-performance trading environment — ideal for someone used to pressure, pace, and problem-solving. Everyone matters: As a business, we promote an inclusive and supportive environment for all genders We … gender diversity and inclusion We foster a culture that supports work-life balance and equal opportunity ✅ What you’ll be doing: Providing 2nd/3rd line support across trading, market data, and back-office systems Managing incidents, outages, and system upgrades within a regulated environment Supporting surveillance systems , FIX connectivity, and trading infrastructure (TT, ION, Stellar … Proven experience in Application Support within financial services Strong hands-on knowledge of Windows, Linux/Unix, SQL and Oracle Familiarity with FIX messaging , exchange connectivity and high-frequency trading systems Experience with platforms like ION Suite, ATEO, Stellar, IBM MQ, TT, Algorithmics Comfortable working under pressure in a trading floor environment More ❯

financial domain expertise Real-time Market Intelligence: Process millions of data points per second from LSE, Bloomberg, and alternative data sources Autonomous AI Agents: Build intelligent agents for trading, compliance, research, and risk management Predictive Analytics: Develop ML models for earnings prediction, M&A identification, and market regime detection Technical Infrastructure Cloud-Native Architecture: Multi-region deployment (London … Essential Experience Driven, Optimistic and we don't discriminate on age and experience Proven track record building and scaling B2B SaaS platforms to $50M+ ARR Financial services experience - trading systems, risk management, or regulatory compliance AI/ML expertise … LLMs, real-time ML systems, or quantitative finance applications Technical Expertise Deep knowledge of distributed systems, microservices, and cloud architecture Experience with real-time data processing and high-frequency trading systems Strong background in machine learning, preferably in financial applications Familiarity with financial APIs (Bloomberg, Refinitiv) and regulatory requirements Leadership Skills Experience building engineering More ❯

-performance C++ developers to work on signal implementation, execution algorithms, and real-time alpha-capturing models. This is a speed-critical environment where your code directly impacts trading outcomes. Responsibilities: Design and implement real-time trading strategies and execution algorithms in C++20, leveraging GCC 12. Collaborate closely with quantitative researchers to translate models into production … ready code. Optimise systems for ultra low latency, throughput, and determinism. Monitor and improve live trading performance, identifying bottlenecks and tuning systems. Requirements: Strong proficiency in modern C++ (C++17/20) with a deep understanding of performance … optimisation. Experience with GCC 12 or similar toolchains that support C++20 features. Solid understanding of low-latency systems, multithreading, and memory management. Background in real-time systems, high-frequency trading, or performance-critical applications. If this sounds interesting, please apply for more info More ❯

About We are at the cutting edge of quantitative trading, leveraging rigorous research and advanced automation to thrive in both conventional and crypto markets. They empower … top-tier institutional and retail clients with innovative algorithmic strategies, deep market insight, and scalable infrastructure built in-house. Our culture balances the discipline of high‐frequency trading with the entrepreneurial agility of a DeFi start-up. Key Responsibilities Design and develop predictive market‐making and directional execution models Apply statistical and … machine learning techniques to extract short‐term signals (ms–minutes horizon) Lead research initiatives: back‐testing, signal refinement, parameter optimization for diverse products (spot, derivatives, ETPs) Analyse high-frequency market data to uncover microstructure patterns and alpha-generating opportunities Simulate and model market interactions across liquid and illiquid instruments Build and maintain research tools and infrastructure More ❯

Overview Trireme Trading is a leading force in cryptocurrency markets, specialising in innovative quantitative trading strategies. As an established hedge fund, we employ high-frequency trading techniques and offer comprehensive market-making services. Our global operations span both centralised and decentralised exchanges, where we collaborate with cutting-edge cryptocurrency projects … to shape the future of digital finance. The Opportunity This role presents an exciting chance to help build and maintain the scalable infrastructure behind our next-generation Web3 trading tools. As a Junior DevSecOps Engineer, you will contribute to ensuring the availability, performance, and security of real-time dashboards, trading terminals, and data visualisation platforms. Working … excited to contribute to a fast-evolving industry. What You'll Achieve You'll be the architect of a robust cloud infrastructure that will power our cutting-edge trading tools. From initial design to seamless deployment, you'll drive key infrastructure decisions to ensure optimal scalability and performance. Your expertise will shape comprehensive monitoring and observability solutions, guaranteeing More ❯

driven trading firm is looking to hire an AWS DevOps Engineer to join its growing engineering team. This company is a leader in algorithmic and high-frequency trading, leveraging advanced technology to operate in some of the most competitive markets in the world. You’ll be part of a collaborative, highly skilled … team responsible for building and maintaining scalable infrastructure that supports the firm’s trading systems and internal platforms. What You’ll Be Doing: Design, build, and maintain AWS-based infrastructure to support complex trading applications. Improve CI/CD pipelines for speed, security, and reliability. Implement infrastructure as code using Terraform and other tools. Work closely More ❯

capitalized, regulated financial market infrastructure firm, preparing for the launch of an institutional-grade digital asset trading and clearing venue. With a focus on supporting high-frequency trading strategies and a zero-tolerance approach to latency and downtime, the firm is building a next-generation exchange platform engineered for speed, scale, and … to build from the ground up — in a regulated environment — while applying cutting-edge engineering principles to meet the demands of some of the world’s most sophisticated trading participants. Key Responsibilities Build and scale a high-performance engineering team across infrastructure, software, DevOps, and cybersecurity. Architect for determinism: tight latency budgets, real-time observability, and … as a key technical spokesperson to investors, regulators, and strategic partners. Ideal Candidate Profile 15+ years of engineering leadership experience, including CTO/Head of Engineering roles in trading, exchange, or HFT environments. Deep technical understanding of trading system designs — from C++ matching engines to kernel bypass networking, PTP, NUMA, DPDK, etc. Proven experience architecting and More ❯

Job Title: Equities Technology Project Manager Location: Central London Client: Global High Frequency Trading Firm Salary: Up to £180k + Industry Leading Bonus Sells: Cutting-edge AI initiatives, collaboration … with top-tier talent, high-impact projects in equities, exposure to long/short strategies, award-winning company culture, prestigious office location. A globally renowned high-frequency trading firm is seeking a talented Project Manager to join their Equities Technology Team. This team also drives key technological advancements in AI to support … the firm's trading portfolios. Role: Collaborate with the global Equities business unit to interpret and prioritize critical need regarding full life cycle equities projects Translate business requirements into detailed technical specifications for development teams. Foster relationships across the business, including Directors, Traders, Risk Analysts, and Portfolio Managers, to identify key needs and challenges. Utilize datasets to guide More ❯