London, South East, England, United Kingdom Hybrid / WFH Options
McGregor Boyall
Senior Java Engineer - Low-Level Systems | High-Performance Architecture | Hybrid London I'm working with a leading financial technology organisation building ultra-lowlatency systems at scale, and we're looking for a Senior Java Engineer with a strong grounding in low-level systems programming . This is an opportunity to join a high-calibre team … The systems you'll help build operate in the microsecond range and demand deep OS, networking, and concurrency knowledge . What You'll Be Working On: Designing and developing low-latency, high-throughput microservices in Java Building and refining core components of a proprietary event-driven framework Working closely with architects, FPGA and infrastructure engineers to optimise performance … a London office Excellent benefits: pension, medical, 27+ days leave, bonus Why This Role: This is a career-defining opportunity to work on some of the most cutting-edge low-latency systems in the industry. You'll be part of a team that values technical depth , innovation , and clean engineering , all while working on systems where every microsecond More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
McGregor Boyall
Senior Rust Engineer - Low-Level Systems | High-Performance | Hybrid London I'm working with a leading financial technology organisation building ultra-lowlatency systems at scale, and we're looking for a Senior Rust Engineer with a strong grounding in low-level systems programming . This is an opportunity to join a high-calibre team of … The systems you'll help build operate in the microsecond range and demand deep OS, networking, and concurrency knowledge . What You'll Be Working On: Designing and developing low-latency, high-throughput microservices in Rust Building and refining core components of a proprietary event-driven framework Working closely with architects and infrastructure engineers to optimise performance across … a London office Excellent benefits: pension, medical, 27+ days leave, bonus Why This Role: This is a career-defining opportunity to work on some of the most cutting-edge low-latency systems in the industry. You'll be part of a team that values technical depth , innovation , and clean engineering , all while working on systems where every microsecond 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 ❯
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 ❯
Bromley, Kent, England, United Kingdom Hybrid / WFH Options
Pontoon
site) Rate: A highly competitive Umbrella Day Rate or Salary is available for suitable candidates About Us The ETT team is at the forefront of developing innovative solutions for low touch, lowlatency trading. Our focus on FIX connectivity, smart order routing, and algorithmic trading ensures our systems perform at the highest level to meet the demands More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Adecco
lifecycle: requirements gathering, coding, unit testing, code reviews, and second-line support Essential Skills & Experience Strong expertise in core Java APIs (collections, concurrency, NIO) Solid understanding of multithreaded systems , low-latency I/O , and Java garbage collection Familiarity with design patterns (Observer, Factory, Singleton) Proven experience in front office system architecture , particularly within algorithmic trading Business knowledge More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
McGregor Boyall
a global financial services leader at the forefront of electronic trading infrastructure. They are looking for a skilled Python Software Engineer to contribute to cutting-edge automation tools powering low-latency trading systems. This is a Senior engineering role within a high-impact team shaping infrastructure for global markets. What You'll Do Design, build, and maintain automation More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Understanding Recruitment
to work). As a Rust Developer, you will have the opportunity to: Develop a robust index platform integrated with high-performance, highly distributed AWS deployed systems. Build a lowlatency multithreaded Rust microservices system containerized in Docker and Kubernetes. Work with Async Rust in Tokio and integrate with Kafka. Work alongside a tight-knit team of highly More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Tenth Revolution Group
stock options and paid parental leave. What You'll Be Doing: Build and maintain scalable data pipelines using Spark with Scala and Java, and support tooling in Python Design low-latency APIs and asynchronous processes for high-volume data. Collaborate with Data Science and Engineering teams to deploy ML models. Use Gen AI tools to accelerate development and More ❯
Gosport, Hampshire, United Kingdom Hybrid / WFH Options
Matchtech
environments. - Expertise in virtual desktop infrastructure (VDI) and virtualisation platforms (e.g. VMware, Hyper-V, Citrix). - Proven ability with queueing systems and job script optimisation. - Familiarity with RDMA or lowlatency network technologies. - Experience with Linux scripting languages (e.g. Bash, Python). - Ability to lead technical teams and communicate complex ideas clearly. - Basic knowledge of HPC programming languages More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Method Resourcing
supervised learning, etc.). Strong understanding of ML systems at scale: inference pipelines, observability, MLOps, data pipelines, etc. Background in building ML for real-world infra, distributed systems, or low-latency environments is a big plus. Confident working at both strategic and technical depth, exec-level communication with the ability to go hands-on if needed. PhD or More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Sanderson
General responsibilities: - Design and Architect Hybrid Connectivity. Design and implement robust hybrid network solutions that span physical data centres with cloud platforms e.g. AWS, Azure, to ensure high availability, lowlatency & secure data flow. Cloud-Native Networking: Support the transition from legacy networking to cloud-native routing thus eliminating reliance on traditional appliances. Infrastructure as Code (IaC) - promote More ❯
Brighton, Sussex, United Kingdom Hybrid / WFH Options
Rocket Science Group
a talented C++ Networking Engineer to join our team. You will be a key contributor to upcoming video games, responsible for designing, implementing, augmenting, and optimising robust, scalable, and low-latency network features and systems for a proprietary AAA game engine . A primary focus will be on developing and maintaining multiplayer server architecture , with particular expertise in More ❯