City of London, England, United Kingdom Hybrid / WFH Options
Keyrock
of asset issuers. As a well-established market maker, our distinctive expertise led us to expand rapidly. Today, our services span market making, options trading, high-frequencytrading, OTC, and DeFi trading desks. But we’re more than a service provider. We’re an initiator. We're pioneers in adopting … building it. Mission statement As Technical Lead at Keyrock, you will assume responsibility for the technology underpinning our Strategic Market Making team, designing and developing mid/high-frequency, large-scale trading platforms that provide Keyrock with a competitive advantage. You will oversee the entire development lifecycle - from initial architecture and code reviews to … and manage a team of talented engineers, fostering a culture of innovation, collaboration, and excellence. Drive the design, development, and maintenance of high-concurrency, high-performance trading systems. Collaborate closely with product management to align engineering efforts with product goals and roadmap. Implement and enforce best practices in software development, including code reviews, testing More ❯
Role Overview As a quantitative developer, you will play a pivotal role in building and optimising our quant trading systems, backtesting infrastructure, and research tools. You will … collaborate closely with quantitative researchers, traders, and engineers to translate complex financial models into scalable, low-latency trading solutions. Key Responsibilities: Develop and optimise high-performance trading systems in C++ and Python for algorithmic trading and execution. Implement, test, and deploy trading strategies based on research-driven insights. Enhance and … and automation. Bachelor’s, Master’s, or PhD in Computer Science, Mathematics, Engineering, or related fields. Preferred Qualifications: Experience with low-latency trading systems and high-frequencytrading (HFT). Background in distributed computing, machine learning, or AI-driven trading models. Familiarity with cloud computing, Kubernetes, or containerised environments. Strong More ❯
Low latency Java Developer - Algo Trading Up to £160,000 p/a Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their low latency trading team. Our client quant prop trading house with performance figures of 22%. They are currently looking to expand their … high and intraday trading presence across FX, equities and commodities. The Java Developer will: Work closely with the Head of Trading and the Quant Team and assist in design and development of new trading algorithms, mainly in Java Help engineer a new greenfield low latency trading platform Work on connectivity … to Financial Exchanges Improve/maintain existing strategies Develop utility applications and excel tools to help with trading activities Work with traders, understand requirements for new applications and strategies to develop and also resolve issues if any This is an opportunity for someone that wants to work with a smart people in a collaborative environment that is solely More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
Job title: Software Engineer (C++, Python or Java) Client: Elite HighFrequencyTrading 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-frequencytrading 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 tradingMore ❯
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 ❯
developer for a brand-new trading team? In short: We’re working with an elite global trading firm known for its success in high-frequencytrading (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-FrequencyTrading, HFT, HighFrequency, Startup, Scaleup, Prop Trading, Execution, Algo Trading, Quant Trading, Parallel Computing More ❯
Join a globally renowned high-frequencytrading 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-frequencytrading 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-frequencytrading 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 ❯
Software Engineer – HighFrequencyTrading - Trade Automation - Multi-Strategy Hedge Fund - Multi Billion Dollar Hedge Fund - Multiple Headcount - Up to £500k TC Join a leading multi-strategy hedge fund, where you’ll collaborate with elite engineers and top investment professionals to develop cutting-edge trading technology. We are seeking highly skilled Software … Engineers with 5+ years of experience to join a leading multi-strategy hedge fund. This role offers an opportunity to work in a fast-paced, technology-driven trading environment where you will collaborate with elite engineers and top investment professionals to develop cutting-edge trading technology. Key Responsibilities: Drive the transformation of trading, research … technologies (AWS), containerization (Docker), and messaging systems (SNS, SQS, RabbitMQ) . Immediate opportunities to contribute meaningfully and drive innovation. If you are passionate about building robust, high-performance trading systems and want to work with some of the best minds in the industry, apply below More ❯
Software Engineer – HighFrequencyTrading - Trade Automation - Multi-Strategy Hedge Fund - Multi Billion Dollar Hedge Fund - Multiple Headcount - Up to £500k TC Join a leading multi-strategy hedge fund, where you’ll collaborate with elite engineers and top investment professionals to develop cutting-edge trading technology. We are seeking highly skilled Software … Engineers with 5+ years of experience to join a leading multi-strategy hedge fund. This role offers an opportunity to work in a fast-paced, technology-driven trading environment where you will collaborate with elite engineers and top investment professionals to develop cutting-edge trading technology. Key Responsibilities: Drive the transformation of trading, research … technologies (AWS), containerization (Docker), and messaging systems (SNS, SQS, RabbitMQ) . Immediate opportunities to contribute meaningfully and drive innovation. If you are passionate about building robust, high-performance trading systems and want to work with some of the best minds in the industry, apply below More ❯
City of London, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Application Support £145,000 + Bonus (Highfrequencytrading firm), london (city of london) col-narrow-left Client: Hunter Bond Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 16.06.2025 Expiry Date … 31.07.2025 col-wide Job Description: Job Title: Application Support Client: FinTech trading Salary: Up to £145,000 + 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. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
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 ❯
Join a top-tier crypto-native quant firm focused on building bleeding-edge infrastructure to power high-frequency and algorithmic trading across digital asset markets worldwide. This company is motivated to hire top talent from around the globe. As a C++ Trading Systems Engineer, you’ll be part of an elite team … role, embedded with quant traders and researchers, where your systems will drive execution across dozens of venues in real time. Responsibilities: Architect and deploy ultra-low latency crypto trading systems in modern C++ (20/23) Build high-performance backtesting, simulation, and market data pipelines Optimize direct exchange connectivity, order flow, and strategy execution Push production … code live daily—what you build gets used immediately Qualifications: 3+ years of expert-level C++ on Linux in trading, HFT, or real-time systems Proven track record of shipping mission-critical, latency-sensitive software Deep experience with FIX, binary protocols, and market data ingestion Obsession with performance, minimalism, and elegant code More ❯
Our client, a major High-FrequencyTrading 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-FrequencyTrading 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 ❯
Overview: We are seeking a highly skilled C++ Software Engineer to join a leading high-frequencytrading 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 of high-performance … trading systems. This is a unique opportunity to work in a collaborative, fast-paced environment where technology and trading intersect. Responsibilities: Design, develop, and optimise high-performance, low-latency trading systems. Implement and enhance trading strategies and execution algorithms. Collaborate with traders and researchers to identify and deliver technology solutions … passion for tackling complex technical challenges. A proactive approach to development with a focus on quality and innovation. Experience in financial markets, trading systems, or high-frequencytrading is advantageous but not required. What’s on Offer: Opportunity to work on state-of-the-art technology and solve challenging problems in a More ❯
Based directly on the trading floor, you will play a crucial role in enhancing execution logic, automating workflows, and ensuring performance at scale for a high-frequency, multi-exchange setup. You will focus on optimising every component of the trading stackincluding multi-threading, network communication, order processing, and execution logicto achieve ultra … and performance tracking ensure system reliability. The team has deep expertise in trading protocols, messaging systems, network architectures, and concurrent computing to support a complex, high-frequencytrading landscape. KEY RESPONSIBILITIES: Build and refine algorithmic trading models for use across various digital asset exchanges Improve and maintain dynamic hedging systems … of concurrent programming, including lock-free algorithms and shared memory architecture Practical experience with Linux performance tuning, including NUMA balancing and use of huge pages Background in high-frequencytrading and real-time market operations Ability to design tools for live trade analysis, PnL tracking, and risk alerting Deep understanding of system-level optimization More ❯
Systems UI Developer Salary: Up to £120,000 plus Bonus and Benefits NodeJS, JavaScript, TypeScript, React Framework, Trading Systems UI, Data Structures, HighFrequencyTrading, Tailwind, CSS, React Query, API, High performance UI Harrington Starr has partnered with an innovative Digital Currency Investment Platform Company that specialise in developing … being used globally and are offering the opportunity for you to play a pivotal role within the full software development life cycle. We are looking for an experienced Trading Systems UI Developer with NodeJS, JavaScript, TypeScript and NodeJS and including cloud technologies. You will have a degree in computer science from a reputable University and have a good … opportunity are as follows: Experience with NodeJS Solid experience with JavaScript and TypeScript Experience with React and React Query Experience with Tailwind and CSS. Experience with Real Time Trading data application and development Experience with Trading Systems and Front Office Trading environment Any experience with Digital Investments. A 2:1 or above in Computer More ❯
Our client, a Leading High-FrequencyTrading 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 ❯
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-frequencytrading 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 ❯
United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: Quantitative Trader – High-FrequencyTrading - Futures A leading trading firm is seeking a HighFrequency Futures Trader to join their hugely successful desk. … with expert analysts and researchers to implement profitable strategies Successfully manage risk to optimise profits Ensure strategies produce excellent return on capital Designing, developing and managing profitable systematic trading strategies in Futures (Sharpe 2+) Qualifications Experience at a proprietary trading firm, bank, or hedge fund Previous experience working with languages such as C++ or Python Demonstrate … developing strategies Excellent communication and collaboration abilities Bachelor’s degree required in related field, such as computer science, or economics If you are looking to join a leading Trading Firm whilst leveraging advanced technology, then this is the role for you. For more information, please apply #J-18808-Ljbffr More ❯
Digital Laser Digital operates at the forefront of digital asset innovation. With a fast-paced and high-growth environment, we are delivering transformative solutions in the trading, asset management, and venture spaces. As we scale our operations, we are looking for exceptional talent to bring structure, strategy, and sharp execution to our delivery teams. Role Overview … 5+ years of Technical Project Management experience in high-pressure, delivery-heavy environments. Solid understanding of AWS infrastructure and cloud-based project delivery. Exposure to High-FrequencyTrading (HFT) environments or projects involving trading flow and low-latency systems. Deep knowledge of front-to-back lifecycle in a trading or finance technology environment. Experience with or understanding of payments processing is highly desirable. Background from a crypto firm, hedge fund, or proprietary trading firm preferred—less likely to come from a traditional bank. Exceptional organizational skills with the ability to bring structure and clarity to chaotic or undefined environments. Entrepreneurial mindset: takes ownership, thrives under More ❯
Job Title: IT System Engineer We’re hiring on behalf of a well-regarded client in the Highfrequencytrading industry, looking for a Desktop Support Engineer with a strong technical mindset and a desire to grow. This is a great opportunity for someone who enjoys hands-on problem solving, working with end users More ❯
Title: Core Java Developer – Ultra Low Latency Trading Systems Location: London Type: Permanent Overview: We are hiring a Core Java developer to join a high-performance trading team focused on eFX OR Crypto markets. This role requires deep technical expertise in ultra-low latency systems and a strong understanding of electronic trading environments. Key Responsibilities: Design and develop low-latency, high-throughput trading components Work closely with quant and trading teams to optimise execution performance Build and maintain messaging infrastructure using technologies such as Aeron, SBE, Disruptor, Chronicle, and FIX Tune the JVM for microsecond-level performance (0GC, CPU affinity, memory management) Contribute to … level performance optimisation Desirable: Experience with 0GC and off-heap memory management Exposure to cloud-based deployment and containerisation (Docker, Kubernetes, CI/CD) Background working in high-frequencytrading or market-making environments More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Blockchain 121
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‐frequencytrading 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 ❯
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-frequencytrading systems Experience with platforms like ION Suite, ATEO, Stellar, IBM MQ, TT, Algorithmics Comfortable working under pressure in a trading floor environment More ❯