24 of 24 Part-Time Ultra-Low Latency Jobs in London

seeking a Senior Network Engineer to support a leading High-Frequency Trading (HFT) client. This is a high-impact role focused on Ultra-Low Latency (ULL) network engineering, working onsite at the client’s prestigious offices. 💡 About the Role You’ll work closely with … Network Automation training will also be provided—perfect for an engineer looking to move into next-gen network skills! 🎯 Key Responsibilities Deliver low-latency, high-performance network solutions for Market Data and HFT applications. Drive new Venue Onboarding projects across global markets. Engineer and optimize multicast … is highly advantageous. Solid background in Market Data , ULL Networking , and/or Multicast environments. Previous experience in a financial services or low-latency environment would be ideal. Eagerness to learn automation and modern DevNet practices. 🌟 What’s on Offer Base Salary : £80,000 per annum More ❯

its multi-billion technology trading platform and looking for a candidate with strong technology experience across multiple disciplines, High-Frequency Trading, and Low Latency Environments. Software Engineers with expertise in C++ will be a part of the Core Infrastructure team which is responsible for designing, developing … and maintaining a low latency trading platform that is deployed globally. Skills Required: Have significant experience developing high-availability systems in C++ and Python with very tight resource/latency constraints Have a background in multi-threaded programming and a strong understanding of hardware … -sensitive business that involves solving remarkably complex problems Full life-cycle software development utilizing exotic hardware/software architectures for ultra-low latency trading systems This position offers a generous basic and bonus with huge career progression working for a world-leading More ❯

the chance to work across many areas of algorithmic trading, including: Their research platform, processing TBs of data daily The ultra-low-latency trading engine Their massive cloud computing analytics infra Who you are: An experienced C++ programmer, with Python experience a nice-to More ❯

and have the chance to grow and lead a team in the future. What You'll Do: You’ll develop ultra-low-latency trading systems in Java, leveraging modern cloud technologies on AWS. From crafting high-performance code to shaping the design of a More ❯

-fast network backbone behind next-generation AI. As a Senior Network Engineer , you’ll architect, deploy, and operate the ultra-low-latency network fabric that powers our GPU clusters. You'll work closely with our Systems, DevOps, and AI Platform teams to design More ❯

Low Latency Engineer | Fully Remote | Crypto Trading Systems We’re working with one of the leading names in Crypto, and they’re looking for a Low Latency Engineer to join their team and build out … a high-performance trading system - all while working fully remotely. Role Overview: As a key engineer, you’ll be responsible for developing ultra-low latency, high-throughput Java applications powering next-generation crypto trading. You’ll work closely with a world-class team in … innovative environment. What You'll Need: ✅ 8+ years of professional experience developing high-performance Java applications ✅ Proven background in designing and building low latency trading systems ✅ Bachelor’s degree in Computer Science or a STEM-related field ✅ Experience working in financial services (hedge funds, trading firms More ❯

Low Latency Java Developer London (Hybrid) Contract Outside IR35 ~£800-£1,000 (potential flex for top candidates) Source Technology have multiple high-performance Java developer … roles available on projects at a tier one investment bank across FX and Cash Equities. What You’ll Do: Develop and optimise ultra-low latency, high-throughput trading systems. Collaborate with traders, quants, and technology teams to enhance execution performance. Build solutions for trade … monitoring, reconciliation, and recovery. Implement automated testing and CI/CD best practices. What We’re Looking For: 10+ years' experience in low-latency Java (Java 11+) development. Expertise in JVM tuning, asynchronous programming, and high-performance messaging. Strong understanding of exchange connectivity, market data feeds More ❯

Ingenii Search are seeking a highly skilled C++ Developer with expertise in low-latency electronic trading systems to join a Equities Algorithmic Trading team on a contract. This role involves designing, developing, and optimising cutting-edge trading algorithms for high-frequency and low-latency … strong background in multi-threaded programming, and experience with performance optimisation at the hardware and software level. Duties: Design, develop, and optimize low-latency, high-throughput trading algorithms for equities. Implement and fine-tune high-performance C++ code for electronic trading strategies. Work closely with quants … traders, and infrastructure teams to improve execution quality and trading performance. Utilise profiling tools and performance tuning techniques to ensure ultra-low-latency execution. Monitor and troubleshoot live trading strategies in production. Background: Bachelor’s or Master’s degree in Computer Science, Engineering, Mathematics More ❯

With a growing FX trading franchise, a Global Investment Banking Firm seeks an experienced Front-Office Low-Latency Java Technical Lead. Key elements of the role include developing low-latency pricing, RFQ, and risk management applications, and directly interacting with the Quants … and Trading Teams. Key experience and skills required include knowledge of Market Making trading, Algo Containers, Pricing algorithms, Low Latency Pricing applications, TC/IP, UDP, Zero Garbage Collection, Multi-Threading and concurrent Java Software. The role offers a good mix of business exposure and technical … life Balance and Flexibility. Permanent Hybrid Working 2 Days a month in the office - City Location Desired Skills and Experience Ultra Low Latency Java EFX FX McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. More ❯

My client is a globally recognised quantitative proprietary trading firm with a dominant presence across major markets. They combine rigorous quantitative research, ultra-low latency technology, and robust risk management to deploy mid and high-frequency strategies across asset classes, including equities, fixed income … analyse market microstructure across global exchanges to improve execution and reduce slippage. Experience in backtesting strategies before live deployment. Work closely with low-latency engineers to enhance execution speed and infrastructure efficiency. Who They’re Looking For Proven track record of alpha generation : Sharpe Ratio ≥ 2.0 More ❯

Engineering for one of the most modern, high-performance FX trading firms the market has ever seen. They are renowned for their ultra-low latency, event-driven systems which have been utilised by almost every major trading firm, bank and fund in London. I More ❯

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 … and the structure is flat, with no red tape and instant execution. You will be a key member of their Ultra Low Latency team, developing their cutting-edge low latency trading systems. You will handle design, development, validation, deployment, and … of market data 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 More ❯

Senior Quantitative Engineer (Low-Latency Java | Crypto) London preferred | Amsterdam & remote (EU) considered Full-time | Competitive compensation A fast-growing, regulated crypto trading venue is looking for a Senior Quantitative Engineer to help build and optimise its next-gen spot and derivatives exchange. This is a … system that powers both institutional and sophisticated retail access to crypto markets. What You'll Do: Design, build and optimise ultra-low-latency exchange components (matching engine, risk, margin, liquidations) Launch new derivative products across crypto and traditional markets Work closely with clients, risk … and reliability Tune and enhance systems for nanosecond/microsecond-level latency What We’re Looking For: Proven expertise in low-latency Java Background in quant development, algorithmic trading , or market-making systems Strong academic or professional background in Mathematics, Physics, Computer Science, or More ❯

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 … engineering, solving complex problems in a live production environment. 🔧 What You’ll Be Working On 🛠 Build and refine ultra-fast, low-latency trading infrastructure 🧬 Optimize systems at the CPU, cache, and memory layers 📈 Engineer efficient data structures and high-performance algorithms 🧩 Identify and eliminate More ❯

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 of … collaborate with top-tier 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 … 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/ More ❯

Contract C++ Engineer – Market Data Systems (Low Latency Focus) Location: Central London (Hybrid) Contract Duration: 12 months (with potential for extension), no sponsorship offered We're on the hunt for an experienced C++ engineer to join a small, sharp team building ultra-fast systems … this is your kind of project! The Mission You’ll be part of a team responsible for creating and refining low-latency market data pipelines—systems that are absolutely central to high-speed trading strategies. This involves deep systems-level work in Linux environments, contributing to … engineers to ensure clean, usable data across the business. What We're Looking For Proven experience solving (ultra) low-latency challenging problems in C++(version 17 or above). Bachelor's/Master's Degree in Computer Science, Software Engineering, or similar, from top More ❯

within crypto/blockchain start-ups, investment banks, hedge funds, market makers, or proprietary trading firms. Key Responsibilities: Design, build, and optimise low-latency, high-throughput backend trading systems. Develop and maintain trading infrastructure such as market data feed handlers, algorithmic execution engines, backtesting frameworks, and … with crypto markets , particularly derivatives such as perpetual swaps, futures, and other digital assets. High-performance system design , focused on ultra-low-latency execution and high-throughput architectures. Excellent problem-solving ability , capable of designing scalable, high-quality technical solutions. Advocate for automated testing More ❯

Platform Engineering Lead - Low Latency … A global successful hedge fund mid and high frequency hiring a platform engineer lead this person will be responsible for the global Ultra-Low Latency Platform engineering. This person will lead the design, deployment, and architecture of the high-performance platform to support the … Develop an in-depth understanding of existing application architecture and work on migration. Identify and implement solutions to optimize performance and maintain low latency Meet target dates in support of a fast-paced release cycle Bring to bear new technologies and approaches with continuous improvement in More ❯

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 More ❯

to join one its Trading Teams. You’ll work across infrastructure, development, and real-time operations to support and maintain ultra-low-latency systems with zero downtime tolerance. Key Responsibilities: Design, develop, and maintain Python-based tools for deployment, monitoring, and system health management. … Strong Python skills with a bias toward clean, reliable scripting and automation. Deep experience with Linux, containers, and DevOps toolchains. Familiarity with low-latency environments and performance debugging. Comfort in high-stakes, always-on production environments. Clear, concise communication and a problem-solving mindset. Exposure to More ❯

basic Organisation: HFT firm Location: Central London A globally recognised independent trading business that have a strong focus around low latency algorithmic trading are currently looking for a Systems Engineer to join their London-based infrastructure team. The role will help towards enhancing and maintaining their … considered for the role the following is important: Solid experience with RHEL derivatives, Bios/Kernel Tuning and Optimizations for Ultra Low Latency Trading Strong experience networking in a Linux environment with a solid background in networking Strong scripting experience surrounding Perl, Bash, Python … to build and enhance the company’s trading platform, as well as getting heavily involved in testing new hardware technology and ensuring low-latency, scalable and reliable solutions to the company’s hardware infrastructure. If this is an opportunity that you wish to be considered for More ❯

class systematic trading firm at the forefront of quantitative finance. Our client specializes in cutting-edge technology, sophisticated algorithms, and ultra-low-latency trading strategies, operating in some of the most competitive financial markets globally. They foster a culture of innovation, collaboration, and excellence … performance environment. Strong problem-solving skills and a passion for automation and efficiency. Experience in a trading, finance, or high-frequency/low-latency environment is a plus but not required. Benefits: Cutting-edge tech: 5/10 years ahead of the competition Rewarding, satisfying work More ❯

Uncapped Earnings) About Our DC Client: Our DC client is a leading provider of decentralized edge data center solutions, delivering high-performance, ultra-low latency connectivity and advanced infrastructure services to a global customer base. Their cutting-edge facilities empower businesses across industries—from … well as drive direct enterprise sales in a 360° sales environment. Strong understanding of edge data center technologies, including the benefits of low latency, scalable infrastructure, and high-availability solutions. Excellent communication, negotiation, and relationship management skills, with the capability to influence at all levels of More ❯

Distribution) and Arista (Core/Low-Latency) switches. Support BGP peering, route filtering, and optimisation for ultra-low-latency trading environments. Operate and maintain Palo Alto firewalls, GlobalProtect VPNs, and ZScaler security platforms (ZIA/ZPA). Support VMware SD … WAN (VeloCloud) deployments across branch and remote trading locations. Monitor and optimise network performance (latency, throughput, availability) on critical links. Assist with network automation initiatives and maintain accurate documentation. Required Skills & Experience Deep hands-on experience with multicast routing in high-throughput environments. … Strong knowledge of BGP , enterprise routing, and switching best practices. Proficiency in managing Aruba and Arista switch infrastructure . Prior experience supporting low-latency trading networks or other performance-sensitive environments. Expertise in configuring and maintaining Palo Alto Networks firewalls and GlobalProtect VPN . Familiarity with More ❯