LowLatency Network Engineer page is loaded LowLatency Network Engineer Apply locations London - 62 Buckingham Gate time type Full time posted on Posted 12 Days Ago job requisition id REQ-25608 LowLatency Network Engineer We are seeking an experienced Network Engineer to join our latency-critical trading infrastructure team. As part … edge technologies. This role encompasses all aspects of networking, including datacenters, market data, co-location (co-lo), and proximity colocation sites. 3. Principal Responsibilities Senior Engineering Role : Focus on low-latency network technologies with a balanced mix of project work and operations in the low-latency trading environment, including Market Data, Trading, and co-lo design. … to finish, including requirement gathering, design, cost analysis, implementation, and deployment. Innovation Leadership : Lead research and innovation efforts to introduce new network technologies into the firm, including RF technologies, low-latency transport, routing/switching, and compute technologies. Network Configuration and Support : Configure, install, maintain, and support critical network software and hardware components. Research, price out, and implement More ❯
Java Developer - LowLatency Systems (FinTech) £90000 - £130000 per annum Benefits and Bonus, Hybrid Contact email: Job ref: LL/HH/88 Startdate: ASAP Java Developer - LowLatency Systems (FinTech) Location: London (Hybrid) Are you an experienced Java Developer with a passion for working on cutting-edge, low-latency systems? Join a dynamic …/Senior Java Developer to contribute to our mission of building the fastest, most reliable systems in the industry. What You'll Do: Design, develop, and maintain high-performance, low-latency Java applications for mission-critical trading systems. Work on optimising throughput and minimizing latency to meet the demands of real-time financial markets. Collaborate with cross … in full SDLC, from technical design through to testing, deployment, and monitoring. What You'll Bring: 5+ years of professional Java development experience, with a focus on performance and low-latency applications. Strong knowledge of multithreading, concurrency, and memory management in Java. Experience with low-level performance tuning and optimization in highly transactional systems. Familiarity with network More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
McGregor Boyall
global investment bank is seeking a Java Developer/eTrading Strategist to join its London Rates eTrading team . This front-office role focuses on designing, building, and optimising low-latency Java trading systems that power the bank's global Rates business. The Role You will engineer high-performance Java components for algorithmic execution, pricing, and market connectivity. … Working closely with traders, quants, and technologists, you'll deliver production-ready eTrading solutions with a focus on latency, scalability, and resilience . Key Responsibilities Design and implement low-latency, multithreaded Java applications for Rates eTrading. Develop and optimise execution algorithms, smart order routers, and pricing engines . Profile and tune Java applications for GC optimisation, lock … trading systems . Conduct rigorous code reviews, testing, and benchmarking . Candidate Profile Degree in Computer Science, Engineering, Mathematics , or related field. 10+ years' experience in Java development within low-latency trading systems . Deep knowledge of Java concurrency, GC tuning, memory management, and NIO . Familiarity with market microstructure, FIX, order types, and trading protocols . Proven More ❯
to join their front-office eFX Pricing & Platform Team . This is a hands-on leadership role where you'll work directly with Quants and Traders to engineer ultra-low-latency trading systems . You'll combine advanced Java engineering with strategic input into platform architecture, optimisation, and scalability -delivering business-critical solutions used daily in electronic trading. … What You'll Be Working On Designing and building low-latency, multi-threaded Java applications for market making and pricing. Developing and optimising pricing algorithms, order management, and execution logic . Engineering algo containers and ultra-low-latency applications using TCP/IP, UDP, and GC tuning. Driving automation, performance optimisation, scalability, and resilience across platforms. … across multiple feature teams. Partnering closely with front-office stakeholders to deliver impactful trading technology. What We're Looking For Deep expertise in Java with proven experience in ultra-low-latency, high-performance systems . Strong background in electronic trading (ideally eFX) with pricing engines, algos, or order management systems. Skilled in multi-threading, GC tuning, TCP/ More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
McGregor Boyall
to join their front-office eFX Pricing & Platform Team . This is a hands-on leadership role where you'll work directly with Quants and Traders to engineer ultra-low-latency trading systems . You'll combine advanced Java engineering with strategic input into platform architecture, optimisation, and scalability -delivering business-critical solutions used daily in electronic trading. … What You'll Be Working On Designing and building low-latency, multi-threaded Java applications for market making and pricing. Developing and optimising pricing algorithms, order management, and execution logic . Engineering algo containers and ultra-low-latency applications using TCP/IP, UDP, and GC tuning. Driving automation, performance optimisation, scalability, and resilience across platforms. … across multiple feature teams. Partnering closely with front-office stakeholders to deliver impactful trading technology. What We're Looking For Deep expertise in Java with proven experience in ultra-low-latency, high-performance systems . Strong background in electronic trading (ideally eFX) with pricing engines, algos, or order management systems. Skilled in multi-threading, GC tuning, TCP/ More ❯
profits The business is actively expanding as there is additional headcount for a number trade platform specialist Java Development with a focus on either/or Quantitative Development or low-latency performance optimization. You will be working on greenfield projects to build out and enhance their lowlatency trading systems. THE ROLE: Working in a fast … 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-lowlatency and high throughput. Robust monitoring, alerting, and performance tracking ensure system reliability. The team has deep expertise in trading protocols, messaging systems, network architectures, and concurrent computing … of trade metrics and strategy efficiency Engineer and optimise ultra-fast connections to trading venues, with a focus on throughput Design architecture capable of handling large volumes in a latency-sensitive environment Implement and manage high-performance messaging frameworks like Aeron and SBE Perform in-depth profiling and tuning to eliminate latency and optimise microsecond-level performance Develop More ❯
C++ Quantitative Developer - C+/20 | Linux | Low-Latency | Equities | Python - Permanent Central London | Onsite 5 Days We're seeking experienced C++ Quantitative Developers (Senior & Lead) to design and implement ultra-low-latency trading systems within a fast-paced equities technology environment. Key Skills & Experience: Strong C++ (11/17/20+) with Multithreading & asynchronous programming. … Deep knowledge of Linux internals & networking . Experience with low-latency, Real Time trading systems . Background in equities trading/execution algorithms . Familiarity with Python for quantitative research (desirable). Strong computer science fundamentals (data structures, algorithms, OOP). Role Highlights: Develop execution algorithms, order management, connectivity & messaging systems. Collaborate directly with trading teams to optimise … high-performance trading infrastructure. Contribute to automated testing, performance benchmarking, and tooling. Permanent Role - Central London (Onsite 5 Days) Apply Now If you're an experienced C++ developer with low-latency trading expertise, we'd love to hear from you. More ❯
Job Title: Application Services Engineer - Trading - LowLatency Location: London - 3 days per week in the office Salary/Rate: Up to £500 per day INSIDE IR35 Start Date: 18/10/2025 Job Type: Contract Job Responsibilities/Objectives You will be a member of the team that is responsible for the support and management of … and sometimes out of hours. In addition to business as usual activity there are a great number of infrastructure projects and tasks that must be completed. Deliver and support lowlatency connectivity and monitoring solutions for the Global Markets business, aligned with front-office trading and regulatory needs. Apply SRE principles to improve availability, latency, performance, and … Champion continuous improvement and innovation, driving technology adoption in monitoring, resiliency, and incident response tooling. Required Skills/Experience The ideal candidate will have the following: Strong background in lowlatency network engineering, including TCP/IP, multicast, traffic shaping, and performance analysis. Proven experience with packet capture and analysis tools (Wireshark, tcpdump, Corvil/PICO); ability to More ❯
days in office) Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert (SME) in lowlatency trading systems. This is a hands-on development role focused on building and enhancing pricing, hedging, and market connectivity systems for the eFX trading desk. You'll be … working in a fast-paced, front-office environment, collaborating closely with developers, business analysts, project managers, and QA teams. This role demands deep technical expertise in Java , particularly in lowlatency environments , and a strong understanding of FX trading systems . You'll be expected to contribute to all phases of the software development lifecycle, from design and … prototyping to deployment and support. Key Responsibilities Design and develop high-performance, low-latency Java applications for pricing, hedging, and market connectivity. Collaborate with Front Office and IT teams to gather requirements and deliver analytics and trading solutions that directly impact P&L. Rapidly prototype solutions in an agile environment with evolving priorities. Participate in sprint planning, estimation More ❯
network systems. In this role you will have the opportunity to work with cutting-edge technology and build strong relationships with technical experts. Specifically, you will: Design and architect low-latency trading networks using cutting-edge technology. Support existing solutions with a focus on automating and documenting tasks for handoff to the Network Operations team. Manage, communicate, and … on network infrastructure, including L1/L2/L3 switches, firewalls, DNS/DHCP, and cloud networking components. Build strong relationships with a highly technical client base, including operations, low-latency developers, and systematic trading experts. Automate processes to reduce manual work required by support teams using enterprise and open-source tools. Test and analyze vendor products for … our instrumentation and tooling to generate meaningful alerts and gather metadata on network behavior over time. What's required 8-10 years of experience with 3-5 experience in lowlatency networking Deep understanding of network systems/architectures at a detailed level with knowledge of fundamental configuration, troubleshooting, and monitoring. Excellent knowledge of low-latencyMore ❯
network systems. In this role you will have the opportunity to work with cutting-edge technology and build strong relationships with technical experts. Specifically, you will: Design and architect low-latency trading networks using cutting-edge technology. Support existing solutions with a focus on automating and documenting tasks for handoff to the Network Operations team. Manage, communicate, and … on network infrastructure, including L1/L2/L3 switches, firewalls, DNS/DHCP, and cloud networking components. Build strong relationships with a highly technical client base, including operations, low-latency developers, and systematic trading experts. Automate processes to reduce manual work required by support teams using enterprise and open-source tools. Test and analyze vendor products for … our instrumentation and tooling to generate meaningful alerts and gather metadata on network behavior over time. What's required 8-10 years of experience with 3-5 experience in lowlatency networking Deep understanding of network systems/architectures at a detailed level with knowledge of fundamental configuration, troubleshooting, and monitoring. Excellent knowledge of low-latencyMore ❯
Quant Analytics. ROLES AND RESPONSIBILITIES Real-time Derived Data and Analytics Work closely with portfolio managers and Quants to expand our derived data and analytics universe. Contribute to complex lowlatency Java codebase. Understand Quant library interface and work with Quants to validate deliverables. API Development for Analytics and Data: Work closely with portfolio managers and quant devs … system operations. Participate in code reviews and provide constructive feedback to ensure best practices. KEY REQUIREMENTS 3+ years of experience in backend development, with a focus on real time lowlatency systems. 3+ years of experience in Java. Strong problem-solving skills and attention to detail. Python experience desirable. Real-time software development, e.g. with eTrading background. Experience … with REDIS, Chronicle and other lowlatency middleware a plus. Experience with containerization and orchestration tools like Docker and Kubernetes. Experience with CI/CD pipelines and automated deployment processes. Experience with timeseries databases such as Snowflake and MongoDB desirable. Prior experience in finance and macro trading principles is highly desirable. Bachelor's or Master's degree in More ❯
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+ 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 with low-latency/high-throughput messaging platforms. Familiarity with FIX API for exchange and venue connectivity is desirable. Exposure to relational and time series databases and proficiency in SQL/Q More ❯
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+ 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 with low-latency/high-throughput messaging platforms. Familiarity with FIX API for exchange and venue connectivity is desirable. Exposure to relational and time series databases and proficiency in SQL/Q More ❯
a week) Job Description: We are seeking an experienced and skilled C++ Developer to join the team in Bromley, UK. 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 … 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 with low-latency/high-throughput messaging platforms. Familiarity with FIX API for exchange and venue connectivity is desirable. Exposure to relational and time series databases and proficiency in SQL More ❯
looking for a Head of Development to work within the front office development team that will work on its trading platforms. Examples of projects include building high-capacity OMS, lowlatency EMS platform and market connectivity. This is a rare opportunity to work on engineering an end-to-end in-house built platform supporting global front office business. … The ideal candidate would be motivated by leveraging cutting-edge high throughput, lowlatency technologies to resolve challenges in trading platforms. In effect, someone who will find the correct solution to an engineering problem when left on their own because they like to solve problems well. Domain knowledge on OMS/EMS/Market Connectivity is. At the … with certifications preferred. Proficiency in SQL (Oracle, MS SQL, PostgreSQL), including stored procedures; certifications preferred. Expertise in Linux command-line scripting (bash) and system administration. Hands-on experience developing low-latency, high-throughput Java components. Practical experience building cash equity trading platforms-OMS, EMS, Market Connectivity, Risk, GUI, Middleware, Middle Office. Deep understanding of fundamental computer science concepts. More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
McGregor Boyall
in designing and scaling advanced systems and algorithms that safeguard some of the most dynamic and complex markets in the world. This is a chance to build high-performance, low-latency, and cloud-native systems while tackling challenges in fraud detection, data engineering, and market integrity . What you'll do Design, implement, and optimise algorithms for detecting … cutting-edge tech including Java, Kafka, Spark, Kubernetes, Clickhouse, Snowflake, Redis . Collaborate with quants, data scientists, and compliance experts to improve surveillance strategies. Contribute to system architecture for low-latency monitoring and high-throughput processing . Continuously improve data quality, reliability, and query optimisation at scale. What we're looking for 5+ years' experience in software engineering … in financial markets, market surveillance, or large-scale data systems . Strong skills in Java (or similar: Kotlin, C#, C++) ; Python is a plus. Proven experience with real-time, low-latency systems and distributed data pipelines . Hands-on with Kafka, Spark, K8s, Clickhouse, Snowflake, and modern data architectures . Solid foundations in algorithms, system design, and optimisation More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Method Resourcing
platform in Rust, and we're looking for exceptional Quant Developers to join the team. This is a chance to work on the systems that drive modern markets: ultra-lowlatency trading algorithms, front-office risk and execution systems, and integrations with leading DeFi venues. If you thrive in high-performance environments, want to solve some of the … in trading, and prefer a collaborative culture to the usual hedge fund politics, this is the seat you've been waiting for. What You'll Do Design and implement low-latency, high-frequency trading algorithms in Rust Build and optimise trading system components - from order book handling to execution pipelines Integrate real-time market data feeds from DeFi … building trading systems (HFT/systematic trading) Strong Rust skills (C++ accepted if you've shipped commercial Rust projects too) Deep knowledge of order books, order state machines, and low-latency architecture Background in crypto or traditional electronic markets Sharp maths and analytical ability, combined with curiosity and drive Why Join us? Impact: You'll be hands-on More ❯
Sporting Solutions is a product led, technology-driven company that sources, generates, and distributes real-time sports betting data. Our systems operate under tight performance demands: lowlatency, high throughput, and ongoing reliability. We're working to continually improve our platforms and are evolving our infrastructure and applications - including moving from legacy .NET Framework systems toward modern, containerised … in telemetry and observability , helping us move from log-centric metrics to first-class telemetry using OpenTelemetry and modern observability stacks. Optimise for performance , helping the platform scale for low-latency, high-throughput demands in real-time sports data delivery. Mentor and guide engineers , promoting a strong DevOps culture and fostering collaboration across teams. Architect and implement solutions … and setting engineering standards. Nice to Have: Experience with OpenTelemetry , Prometheus, Grafana, or similar observability tooling. Exposure to hybrid-cloud or cloud migration strategies. Familiarity with performance optimisation in low-latency data pipelines. Contributions to DevOps-related communities, blogs, open source, or talks. What You'll Get The opportunity to shape the future of DevOps and Developer Experience More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
range of perks and benefits. As a C++ Developer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and lowlatency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high … scalability and lowlatency - they currently handle 40 billion messages per day. Location/WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a 12 month Fixed Term Contract. About you: You have C/C++ development skills on Windows More ❯
want to play a key role in the front-office of an investment bank? Are you passionate about electronic trading technology? Do you have a background in real-time lowlatency pricing and able to use your skills to build robust and scalable Java server systems? At UBS, we re-imagine the way we work, the way we … closely with the front office to build out and support user-facing sales and trading applications. Your expertise • Excellent Java software development skills ideally with exposure to real-time lowlatency pricing systems. • Takes an automated approach to testing to ensure delivery of high-quality solutions. • Experience of establishing and exploiting DevOps capabilities. • Serve as a hands-on More ❯
This role is pivotal in enhancing our pricing systems for Rates, FX, Credit, and Equities, ensuring we remain at the forefront of market technology. Key Responsibilities: Develop and maintain low-latency pricing applications that support trading activities across various asset classes. Collaborate closely with traders and quantitative analysts to understand pricing requirements and implement effective solutions. Conduct in … with knowledge of interest rate swaps, bonds and futures Strong knowledge of pricing methodologies for Rates, FX, Credit, and Equities. Proficiency in Java and C++ with a focus on low-latency application development. Solid understanding of data analytics and the ability to interpret complex datasets. Experience working on a trading floor, with a thorough understanding of trading processes More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
of perks and benefits. As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and lowlatency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high … scalability and lowlatency - they currently handle 40 billion messages per day. Location/WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a 12 month Fixed Term Contract. About you: You have C/C++ development skills on Windows More ❯
trading Trade booking and regulatory reporting Improve developer experience and create tooling to support the desk's builds (K8, CI etc) Enhance hedging models and automated execution strategies Ensure low-latency, high-throughput execution Automate trading workflows to improve efficiency and risk management Collaborate with Quant Researchers to build and test strategies Develop trade analytics tools to monitor … lock free data structures, queues, atomics, etc. Self-starter and capable of hitting the ground running Understanding of networking, AWS, and Kubernetes Experience with quantitative analysis tools FPGA & ultra-lowlatency experience What we offer An amazing global culture who are ambitious, innovative and fun while working with the highest levels of honesty and integrity. Two discretionary bonus More ❯
systems analysis, design, and development. Comprehensive knowledge of designing and building Server Side C++ applications, ideally on RedHat 7 or later. Proven experience of developing large scale mission critical, lowlatency or fault tolerant systems. Experience of software development methodologies and working in a structured environment. Knowledge of financial services, derivatives or trading in an exchange, sell-side … or Front Office environment would be highly beneficial. Experience of developing low-level, high performance systems. Familiarity with Service Orientated Architecture, concurrency models and threading, multicast messaging or FIX message protocols would be advantageous. Key Skills: C++, Red Hat Linux (ideally V7 or later), LowLatency/High Performance trading applications/platforms. To be considered, please More ❯