Senior Java / AWS Developer - compensation up to GBP 150k-230k

This is an opportunity to work at the heart of a world‑class investment platform where risk, technology, and quantitative thinking intersect in real time. You’ll be building and owning systems that directly support portfolio managers and senior risk leaders, in an environment that values engineering excellence, speed, and thoughtful design. If you enjoy solving complex problems, working close to the business, and seeing your work used every day in high‑stakes decision‑making, this role offers both intellectual challenge and real impact.What You’ll Be DoingDesign and build low‑latency, high‑performance systems used in live trading environmentsArchitect scalable solutions that support complex risk calculations across asset classesWork closely with risk managers, quants, and technologists to translate real‑world problems into elegant technical solutionsOwn production systems end‑to‑end, including contributing to robust end‑of‑day processesDrive engineering best practices to improve reliability, performance, and scalabilityWhat We’re Looking For8–10+ years’ experience as a software engineer in a fast‑paced, production environmentStrong Computer Science fundamentals (data structures, algorithms, system design)Commercial experience with Java, modern microservices, and the Spring ecosystemSolid SQL skills and experience working with large datasetsA strong analytical mindset and a genuine interest in solving hard problemsComfortable working with ownership, autonomy, and responsibilityMaster’s degree or strong academic backgroundExperience with multi‑threaded and distributed systemsCloud and modern infrastructure exposure (AWS, Kubernetes, Redis)Messaging systems, service‑oriented architecture, or event‑driven designCI/CD pipelines, testing frameworks, and production monitoring toolsStrong Linux experience and exposure to NoSQL technologiesWhat’s on OfferWork on mission‑critical systemsHigh levels of ownership and visibilityA technically strong, intellectually curious teamCompetitive compensation and strong long‑term growth potential