Lead Java Software Developer - Fintech, West London,£140K to £160K , bonus + bens. You must be a very hands-on Lead Software Developer with experience working in Fintech and leading small teams of Java, backend developers, Spring, REST APIs etc. This is a Hybrid role requiring 2 days a week in the West London office. You will be leading a team ofdevelopers who are working to design and build new features to the existing code base, as well as research and develop new and innovative solutions to help maintain our edge in the marketplace. All our products are built from a common platform, so the team works across the whole business. To avoidaccumulating knowledge silos, we actively rotate developers around all our sub-teams, ensuring that everyone gains first-hand knowledge on all areas of our codebase. This means you can expect to participate in a wide variety of work: designing and building software for low latency trading systems, investigating new block chain technologies, and doing data analytics work to help senior management make data-led business decisions. The tech stack: Knowledge of all our stack is not a requirement for new candidates, instead we concentrate on problem solving and the ability to communicate and collaborate effectively. Backend: distributed, event-driven core Java (90% of the code-base), MySQL Frontend: Javascript, Vue.js Data analytics: Python&Jupyter notebooks, Parquet, Docker Blockchain integrations: Bitcoin (&Litecoin, Bitcoin Cash), Ethereum and XRP (Ripple) Testing: JUnit, Mockito, JMH, JCStress, Jenkins, Selenium, many in-house tools… OS: Linux (CentOS) This Java Lead Software Developer - Fintech role is based in West London and pays £140K to £160K base, bonus +