6 of 6 Contract Low Latency Jobs in the South East

Senior Java Developer/Low-Latency Developer Central London - Hybrid - 3 days on site, 2 days remote Inside IR35 12 months Brief Our client is seeking a Low Latency Java Developer with hands-on experience in FIX protocol integration to join their FX Options technology team. You will play a hands-on role in modernising and … optimising the trading platform , delivering ultra-low latency solutions for front-office trading and risk management. Key Responsibilities Develop, optimise, and maintain low latency Java-based trading systems Implement and maintain FIX protocol connectivity for FX Options trading Work closely with Quants, Traders, and Risk teams to translate business requirements into high-performance solutions Take ownership … of the end-to-end performance of the platform , including debugging, tuning, and optimising for ultra-low latency Ensure adherence to best coding practices and provide technical leadership within the development team Collaborate with cross-functional teams on architecture, design, and deployment of trading solutions Required Skills 5-10 years' experience as a Java Developer in front-office More ❯

order routing, and internal crossing strategies. The Role You'll work as a Core Java Developer within a high-performing Algo Engineering group, responsible for evolving a suite of low-latency, high-throughput trading engines that power the firm's EMEA and global electronic trading business. This includes delivery of key functional changes, performance optimisation, and close collaboration … resilience, and scalability Participate in peer reviews, mentoring, and agile ceremonies Required Skills & Experience Expert-level Core Java (collections, concurrency, NIO, memory management) Strong understanding of multithreaded systems and low-latency I/O Deep familiarity with design patterns (Observer, Factory, Singleton, etc.) Experience with TDD , GIT , Maven/Gradle , and continuous integration tools Confident communicator with experience More ❯

projects with significant architectural ownership Mastery of multiple languages and paradigms; able to guide complex trade-offs and technical decisions Extensive experience scaling systems to handle high throughput and low latency Strong ability to mentor, elevate peers, and lead cross-team technical initiatives Proven experience driving quality, reliability, and operational excellence at scale Strategic thinking with the ability More ❯

CD pipelines using GIT to ensure stable, reliable, and frequent model releases. Performance Engineering: Profile and optimise large-scale Spark/Python codebases for production efficiency, focusing on minimising latency and cost. Knowledge Transfer: Act as the technical lead to embed MLOps standards into the core Data Engineering team. Key Skills: Must Have: MLOps: Proven experience designing and implementing … to-Have/Desirable Skills DevOps/CICD (Pipeline experience) GCP (Familiarity with Google Cloud Platform) Data Science (Good understanding of math/model fundamentals for optimisation) Familiarity with low-latency data stores (e.g., CosmosDB ). If you have the capability to bring MLOps maturity to a traditional Engineering team using the MLFlow/Databricks/Spark stack More ❯

projects with significant architectural ownership Mastery of multiple languages and paradigms; able to guide complex trade-offs and technical decisions Extensive experience scaling systems to handle high throughput and low latency Strong ability to mentor, elevate peers, and lead cross-team technical initiatives Proven experience driving quality, reliability, and operational excellence at scale Strategic thinking with the ability More ❯

impact projects with significant architectural ownership Mastery of multiple languages and paradigms; capable of guiding complex trade-offs and technical decisions Extensive experience scaling systems for high throughput and low latency Strong ability to mentor, elevate peers, and lead cross-team technical initiatives Proven experience driving quality, reliability, and operational excellence at scale Strategic thinking with ability to More ❯