101 to 125 of 139 Low Latency Jobs in the City of London

assisting a highly reputable organisation seeking to expand their core engineering team. A C++ Software Engineer is required to start in January 2026 or February 2026 to join a low-latency trading team working on the design, development, and enhancement of business-critical trading software. C++ Software Engineer Key Responsibilities: Join an experienced front-office team to assist More ❯

measurable difference for clients. What you’ll be doing Profiling and optimising existing code to boost performance and reduce memory footprint Designing and implementing performance enhancements for high-throughput, low-latency systems Working with Product, Engineering, and Clients to understand and meet performance targets Creating and maintaining automated performance and load testing frameworks Mentoring engineers on writing efficient More ❯

measurable difference for clients. What you’ll be doing Profiling and optimising existing code to boost performance and reduce memory footprint Designing and implementing performance enhancements for high-throughput, low-latency systems Working with Product, Engineering, and Clients to understand and meet performance targets Creating and maintaining automated performance and load testing frameworks Mentoring engineers on writing efficient More ❯

Support traders and trading applications, providing real-time troubleshooting to keep systems running at peak performance. • Collaborate with traders, developers, and other key stakeholders to address system challenges, from low-latency issues to new system rollouts. • Plan and execute exchange migrations, ensuring minimal downtime and seamless transitions in this critical environment. • Build, release, and support new trading systems More ❯

Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC Spring Boot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable Responsibilities: Design and development of low latency software components Contribute across the entire SDLC write and enhance well structured, testable, scalable and efficient code setup and maintain development process tools Collaborate in agile development More ❯

services that run on the robots, enabling remote control, data collection, diagnostics, and state management. Integrate Human Interface Devices (HID) such as game controllers or joysticks to provide intuitive, low-latency remote control over robot movements and actions. Streamline and automate workflows, including software deployment, performance monitoring, and diagnostics, to enhance reliability and efficiency. Implement testing pipelines to … and HID controllers. Maintain clear and detailed documentation of tools, processes, and best practices to support team knowledge and future development. Expertise Proficiency in Python and at least one low-level language (e.g., C++, C, Bash) for developing robot-side services. Strong experience with React (or similar frameworks) for creating user-friendly and scalable web applications. Expertise in API … systems. Experience with real-time system monitoring and diagnostics. Knowledge of distributed systems and scalable application design. Familiarity with designing platforms for managing interconnected devices or hardware. Awareness of latency considerations and best practices when implementing HID-based control over networked systems. What We Offer: Competitive salary plus participation in our Stock Option Plan Paid vacation with adjustments based More ❯

your impact is felt immediately. The position blends real-time production support for cutting-edge electronic trading systems with hands-on engineering and automation work. Key Responsibilities: Supporting ultra-low-latency trading systems across global markets Troubleshooting and resolving time-critical production issues Building automation and tooling to enhance system reliability and efficiency Collaborating closely with traders, developers … to electronic trading systems and a fast-paced, real-time production environment Clear communicator who thrives under pressure and solves problems at the root Sells Work with an exceptional, low-ego team of engineers and quants Huge emphasis on automation, technology, and continuous improvement High ownership, fast feedback loops, and interesting technical challenges Competitive compensation, bonus, and benefits in More ❯

leading global investment firm. In this position, you will contribute to a specialized infrastructure team focused on designing, engineering, and supporting Linux-based systems and market data platforms within latency-sensitive trading environments. Your responsibilities will include managing infrastructure changes across co-located Linux servers, maintaining and monitoring real-time market data systems, and coordinating with vendors and exchanges … in London. Must-Haves Senior experience as a Linux system admin in HFT (High-Frequency Trading) environments. For ex. Tuning experience. Recent experience supporting front-office trading applications and low-latency environments. For ex. Application stack, Photon Stack, Infrastructure for futures and stocks. Experience with scripting in Python and Bash. Proficient in infrastructure and application monitoring using Prometheus More ❯

Data Engineer to build and maintain the data infrastructure that powers their trading and research teams. You’ll be responsible for: Handling billions of ticks per day efficiently Building low-latency, scalable pipelines Delivering reliable, query-ready datasets to quants and researchers What they are looking for: Experience in distributed data engineering at scale Strong coding skills in More ❯

Hybrid - office based 2 days per week Job Description: Design, implement, and optimise live streaming capabilities into existing software-based video pipeline Leverage hardware acceleration to develop high-performance, low-latency video capture, processing, AI inference, visualization and streaming software Work as part of a multidisciplinary team to develop robust and secure-by-design software for a medical More ❯

back-end engineers to successfully integrate RESTful APIs for data collection and AI services. Key Requirements: Strong Senior Software Engineer experience Exceptional Go/Golang skills Experience working across low-latency and zero trust platforms Experience across more than 1 cloud platform (AWS, Azure and GCP), and designing microservice architectures on those platforms Proven track record designing systems More ❯

Shape the firm’s ML ecosystem, choosing the right tools and frameworks to deliver performance at scale. Tackle challenges you won’t find outside finance: billions of data points, low-latency requirements, and models that need to work in the wild, not just in notebooks . What We’re Looking For Strong hands-on experience with machine learning More ❯

and investment decision-making. With trading volumes, data analytics, and cloud integration scaling rapidly, the firm is expanding its core network engineering function to ensure its systems remain ultra-low latency, secure, and globally consistent. This is a key hire in building the next generation of network architecture supporting the firm’s ambitious technology roadmap. What You’ll More ❯

strong focus on real-time streaming and cloud-native platforms. You will lead initiatives involving Apache Kafka and Confluent Cloud, enabling scalable, event-driven architectures that support high-throughput, low-latency data movement across systems. You will anchor engagements from requirement gathering and solution architecture to development and deployment, ensuring seamless integration between diverse data sources and targets. More ❯

other domains with compliance requirements • Security/threat modelling expertise : Understanding of adversarial AI, prompt injection, or system security • Real-time systems experience : Trading systems, fraud detection, or other low-latency critical infrastructure • Open source contributions in relevant domains (AI frameworks, monitoring tools, security infrastructure) Bonus Points (Nice to Have) • Understanding of regulatory frameworks (EU AI Act, California More ❯

Senior C++ Software Engineer Salary: £75,000 - £135,000 Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for control and orchestration systems. Build low-latency interfaces between hardware and classical compute systems. Collaborate with hardware teams to integrate software with FPGAs and high-speed digital electronics. Develop and maintain firmware and drivers for … custom hardware platforms. Analyze and optimize system performance including latency, throughput, and resource utilization. Participate in system architecture design and technical decision-making. Conduct code reviews , mentor junior engineers, and promote software best practices. Work with cross-functional teams to ensure seamless integration of hardware and software components for robust, production-ready systems. Ensure system reliability , fault tolerance , and More ❯

in high-impact projects such as migrating our systems to AWS, consolidating our databases, worked on our python based AI backend and building a unified environment optimized for cost, latency, and scalability. This is a high-impact opportunity for someone eager to take ownership, solve complex challenges, and help power the next generation of educational technology. Role Responsibilities Build … and optimize a unified, cost-efficient, low-latency data environment within AWS Work on our AI backend and help make it scale proof Help with migration to AWS Consolidate mobile and web databases into one optimized Postgres environment Develop processes for importing and editing data directly in the database Collaborate closely with the CEO and other Full Stack More ❯

systems powering high-frequency trading and crypto platforms 💡 Build performance-critical APIs, order matching engines, and real-time data pipelines 🤝 Collaborate with trading, quant, and blockchain teams to deliver low-latency infrastructure 🚀 Optimize system performance, scalability, and throughput 🌐 Contribute to cutting-edge blockchain and digital asset technology What We’re Looking For: ✅ 5+ years of backend engineering experience More ❯

years) Strong appreciation for testing and ideally experience working in a TDD way is needed. Experience in STL, Boost, multithreading, concurrent systems This firm care a lot about performance, low latency, high throughput and the challenges it presents – so should you. This is a truly welcoming and inclusive business who love to take talented engineers and make them More ❯

back-end engineers to successfully integrate RESTful APIs for data collection and AI services. Key Requirements: Strong Senior Software Engineer experience Exceptional Go/Golang skills Experience working across low-latency and zero trust platforms Experience across more than 1 cloud platform (AWS, Azure and GCP), and designing microservice architectures on those platforms Proven track record designing systems More ❯

to join their team. You will be an excellent fit for this Core Java Engineer position if you: Have built scalable software from scratch Use Core Java concepts, including Low Latency , Concurrent Programming & Multithreading Are used to working in a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear More ❯

Functions, Service Bus, Event Hub, Kubernetes, etc.) Experience with event-driven/message-based systems (Kafka, RabbitMQ, or Service Bus) Energy or Commodity Trading domain experience (essential) Exposure to low-latency systems or real-time data processing is highly desirable If you’re interested in hearing more about this Senior C# Engineer contract, please apply with your latest More ❯

experience working with FX Options trading systems or directly with Options traders Solid understanding of systems integration, API design, and microservices architecture Experience handling large-scale market data in low-latency or real-time environments Hands-on experience converting monolithic applications into microservices Desirable: Exposure to ReactJS or willingness to contribute to front-end development when needed This More ❯

brokerage, or investment bank) Proven experience supporting traders or trading desks in a live market environment Familiarity with trading floor technologies such as trading platforms, market data systems, and low-latency or voice recording setups Strong Windows administration skills and experience with Microsoft 365 and Azure Excellent communication and interpersonal skills, with the ability to remain calm and More ❯

Senior C++ Software Engineer Salary: £75,000 - £135,000 Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for control and orchestration systems. Build low-latency interfaces between hardware and classical compute systems click apply for full job details More ❯