1 to 25 of 129 Remote/Hybrid Low Latency Jobs in London

Senior Software Engineer – Ultra Low Latency Risk Engine Developer Overview Citi Equities Technology | Equities Electronic Execution (Electronic Trading) Citi's Equities Technology organization is seeking a Senior Software Engineer – Ultra Low Latency Risk Engine Lead Developer to join the Equities Electronic Execution (Electronic Trading) technology team. … This role is focused on the design, development, and delivery of Citi's next-generation low-latency Risk Engine for cash equities and its integration into the broader execution platform — encompassing the Centralised Position Service, Client Connectivity, Market Access layers, and high-throughput market data processing. Role Overview ...

Low Latency Rust Engineer Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From … Technology Team. The overall objective of this role is to lead applications systems analysis and programming activities. The role is to provide senior, low-latency systems and application framework engineering (skilled in Java, C++ , Rust, KDB, market data, algorithmic trading technology) within the London Based High Performance Architectures ...

Software Engineer - High-Performance Java/Low Latency Role Type: Contract (Inside IR35) Location: London, UK (Hybrid - 3 days per week in-office) Overview We are looking for a specialist High-Performance Java Engineer to join our team in London, focusing on the expansion of Agency Liquidity based … Principal Risk. In this role, you will work closely with CRB to drive key EMEA and US regional projects, developing low-latency, event-driven trading platforms. Core Responsibilities Design, build, and optimize high-throughput, low-latency concurrent systems for agency liquidity expansion. Perform fine-grained ...

Senior Low Latency Rust Engineer Electronic Trading London | Hybrid max 3 days per week in office We are assisting with the hire of an experienced low-latency engineer to join a specialist team building frameworks, libraries and performance tooling used across a large global electronic trading … development role attached to one desk or application. The team works across multiple trading platforms, solving complex performance problems and helping define how latency-sensitive systems should be engineered. Approximately 90% of the role is hands-on coding , with a major focus on Rust alongside modern Java. What youll ...

Execution (Electronic Trading) technology team. The person in this role will be responsible for the design, development, and delivery of Citi's next-generation low-latency execution platform. This platform encompasses critical components including Algorithmic Trading, Smart Order Routing (SOR), Dark Pool & Internalization engines, Low latency … global strategy and cross-regional delivery is a key aspect of this role. Responsibilities Core Development: Design, development and maintenance of high-performance, low-latency electronic execution systems Product Collaboration: Partner with traders, quant researchers, and clients to understand their needs and translate them into innovative product features ...

Trading Systems Software Engineer - FIX, Etrading Location: London or Newcastle. Tech Stack: C#.NET, .NET Core, CI/CS, Low Latency, FIX Connectivity, Interest Rates Derivatives, API’s The company This is an opportunity for an experienced and Senior C#.NET Electronic Trading Engineer to join one of the leading … London or Newcastle office presence. Smart, entrepreneurial colleagues at the cutting edge of digital assets. What you will do Build the next generation of low-latency IRD’s trading systems from the ground up. Develop core server-side C#.NET components across order management, market connectivity, low latency ...

Position: Java Low Latency Engineer Location: London, UK (Hybrid-2/3 days from office) Long term contract position Role Overview We are looking for an experienced Java Low Latency Engineer with strong expertise in Java performance optimization, JVM tuning, and high-performance system development. … ideal candidate will have experience building event-driven, concurrent systems designed for low-latency and high-frequency environments Required Skills & Experience Strong Core Java and JVM performance tuning expertise. Excellent knowledge of Data Structures and Algorithms. Experience with concurrency, multithreading, and low-latency system design. Knowledge ...

team. The person in this role will be responsible for designing, leading the development, and ensuring the operational excellence of Citi's next-generation low-latency connectivity platforms. This encompasses critical components including low-latency Client Connectivity, Order Management, Algo access as well as Direct Market … innovation and engineering excellence. Strategic & Technical Leadership: Contribute to the definition and execution of the technical vision, strategy, and roadmap for the global low-latency connectivity platform, ensuring alignment with both regional and global business objectives and market trends. Team Management & Mentorship: Lead, manage, and mentor a geographically ...

Title: Lead Low Latency Network Engineer Location: London (Hybrid) Salary: Up to £500,000 TC (Flexible on experience) We're partnering with a leading high-frequency trading firm to hire a Senior Network Engineer to design, build, and support the next generation of low-latency network … apply? Join a leading high-frequency trading firm at the forefront of technology and finance. Work on some of the industry's most advanced low-latency networking challenges. Influence the design and evolution of a globally distributed, high-performance network. Collaborate with some of the brightest infrastructure engineers ...

build the underlying systems that power core platform capabilities and developer tools. Our mission is to enable world‐class gaming experiences by delivering low‐level, high‐performance technology for PlayStation platforms. The Role We are looking for an engineer to join the GDFT department, working on the design … optimisation of PlayStation’s real‐time game streaming technologies. You will contribute to the development of low‐latency video streaming systems across current and future PlayStation platforms, working on performance‐critical areas spanning frame capture, media pipelines, codec configuration, system services and streaming transport. The role is particularly ...

build the underlying systems that power core platform capabilities and developer tools. Our mission is to enable world‐class gaming experiences by delivering low‐level, high‐performance technology for PlayStation platforms. The Role We are looking for an engineer to join the GDFT department, working on the design … optimisation of PlayStation’s real‐time game streaming technologies. You will contribute to the development of low‐latency video streaming systems across current and future PlayStation platforms, working on performance‐critical areas spanning frame capture, media pipelines, codec configuration, system services and streaming transport. The role is particularly ...

Description We’re looking for Java Developers with experience building low-latency systems to join us on a high-performance trading and real-time data project, for a major financial institution. You’ll work on mission-critical applications where performance, scalability, and reliability truly matter — the kind … projects at the very heart of modern finance. Your work will focus on writing and tuning high-performance Java frameworks, improving throughput and latency, and applying event-driven, microservice-based architectures. You’ll collaborate closely with other talented engineers, helping to shape elegant solutions to complex, performance-sensitive problems. ...

rather than maintaining, with multiple senior hires planned over the next 12 months. You'll work alongside experienced engineers developing the next generation of low latency electronic trading systems supporting global markets. If you enjoy solving complex engineering problems where performance, reliability and speed matter, this … with traders, quantitative teams and business stakeholders, you'll build software that directly impacts trading performance and execution quality. Projects include: Designing and building low latency Java applications Developing electronic trading and execution platforms Building pricing and market data infrastructure Improving platform performance, scalability and resilience Enhancing execution ...

with a global financial leader. You'll join a small, exceptional team rewriting core parts of an equities execution platform in Rust, where ultra-low latency is the whole point. These are systems that sit close to the metal and leave no room for error, and this … essential: writing allocation-free, contention-aware code on the critical path, with careful control of memory layout and data structures A firm understanding of latency distributions and how to minimise tail latency (p99.9 and beyond) is essential, along with proven experience building ultra-low-latency, low ...

Citi is seeking a senior Low Latency Java Engineer to join its London-based High Performance Architectures team. You will own and optimize low-latency Java/Rust frameworks, work on market data and algorithmic trading tech, and help scale eTrading platforms across Citi's global ...

Citi is seeking a Low Latency Rust Engineer to join the London-based Tech team. You will lead and implement high-speed trading systems, focusing on Rust/Java in a low-latency, event-sourcing framework. The role demands SME-level capabilities in algorithmic trading ...

Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Principal Java Engineer to join our high‐performing engineering team, working on low latency, high‐throughput systems in the payments processing domain. This hybrid role is based in the UK or US and offers the opportunity … SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities: Design, develop, and optimize low-latency, high-throughput backend systems using Java. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with messaging standards ...

Citi in London is seeking a Lead Software Engineer to join the Equities Technology team. You will design and deliver low-latency electronic execution systems and collaborate with traders, quants, and clients. Join a global platform with hybrid work up to two days at home per week … competitive base salary and a broad benefits package. The role requires strong Java and Rust expertise, and experience with high-throughput, low-latency architectures. #J-18808-Ljbffr ...

grow with us, someone who can work harder, faster, and smarter to deliver tangible results and process improvements. What you will do Build low latency, scalable and highly performant trading services in RUST including Order Management System (OMS), exchange gateways, risk management systems, etc. Enhance and maintain … forefront of the cryptocurrency exchange ecosystem building out a new set of financial services, systems and architecture. Gain exposure to an array of low latency, high throughput techniques and algorithms. Ensure security is at the forefront of everything you do, employing advanced encryption schemes to secure user ...

specialist audiences. History of productive interaction with other groups, especially sales, trading and other technology teams. Experience building systems with strict requirements for low-latency (microseconds count) and deterministic performance. Performance tuning/optimization of distributed systems. Know your way around a Linux shell. Preferred Experience Securities/… trading experience is a plus but not required. Multi-threaded/concurrent programming. JVM tuning for low-latency. Low-latency messaging, network protocols, network I/O in Java, JNI. Hardware stack and hardware architecture from a latency perspective. Knowledge of Linux kernel/OS internal. ...

validation, and intelligent developer tooling. Technical Leadership & Excellence Drive engineering best practices: test-driven development (TDD), CI/CD pipelines, containerization, comprehensive observability, and low-latency performance tuning. Take end-to-end ownership of delivery—from requirement analysis and technical design to deployment, production monitoring, and support. Required … Skills & Qualifications Technical Competencies Core Programming: Advanced proficiency in at least one primary backend language: Java (Modern Java, Spring Boot, concurrency, low-latency tuning, GC optimization), OR Python (Modern Python, asynchronous programming, NumPy/Pandas, FastAPI), OR .NET/C# (Modern .NET Core, multi-threading, asynchronous I/ ...

performance, scalable services using Core Java (8/11/17). Build and enhance components for pricing, order routing, and execution workflows. Apply low‐latency, event‐driven, and asynchronous design patterns to improve throughput and efficiency. Troubleshoot and resolve connectivity, performance, and messaging issues in production. Conduct … latency tuning, load testing, and system optimization. Collaborate with SRE/DevOps teams to improve observability, CI/CD, and deployment pipelines. Key Requirements Strong expertise in Core Java, including concurrency, memory management, and GC tuning. Hands‐on experience integrating and developing with TransFICC’s Connectivity Platform. Experience with ...

people and capital with ideas andsolvethe most challenging and pressing engineering problems for our clients. Our engineering teams build scalable software and systems,architectlow latency infrastructure solutions, proactively guard against cyber threats, and leverage machine learning alongside financial engineering to continuously turn data into action. Engineering, which iscomprisedof … Basic Qualifications Bachelor’s degree (U.S. or foreign equivalent) in Computer Science, Information Technology, or a related field. Experience with design and implementation of low latency, high throughput, and fault-tolerant distributed systems. Experience with microservices architecture and API development. Strong analytical and problem-solving skills. Strong written ...

into production-ready systems. You'd also help shape the high-level architecture of our strategy software so it scales effectively and keeps trading latency low. We operate a hybrid Python/C++ engineering stack. A large portion of our stack is Python-based (utilising libraries like NumPy, SciPy … performance-critical systems are written in modern C++ (C++23). We are actively looking to expand our team's C++ expertise to drive these low-latency components forward. The ideal candidate will have a strong software engineering background with a track record of building and maintaining production-grade ...

office users to understand and deliver business requirements. Develop APIs, data models and streaming solutions. Build monitoring, analytics and compliance tools. Optimise performance across low-latency systems. Provide technical leadership and mentor junior developers. Essential Experience Strong commercial experience with KDB+/q . Development of low … latency, real-time systems . Solid Linux/Unix expertise. Performance tuning and monitoring experience. Strong understanding of software development and testing practices. Excellent communication and stakeholder management skills. Degree in Computer Science, Mathematics, Engineering, Physics or a related discipline. Desirable Front-office trading technology experience. Fixed Income ...