> Markdown version of [/jobs/ext/3564727-senior-java-developer-uk-investment-bank-tier-1](https://www.wearedevelopers.com/jobs/ext/3564727-senior-java-developer-uk-investment-bank-tier-1). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Developer - UK Investment Bank (Tier 1) - **Company:** Allegis Global Solutions - **Location:** London, UK - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Test Suite, Continuous Integration, DevOps, Distributed Data Store, Rxjava, Software Engineering, User-Centered Design, Concurrency, Containerization, Solid Principles, Information Technology, Production Code, Functional Programming, Docker, Microservices - **Published:** October 3, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2998924361-2 ## About the Role * An excellent Java developer with good software design principles and the ability to write robust code and accompanying test suites * Ability to write efficient, clear code and be able to articulate what has been implemented and why * Self-starter who can drive/facilitate requirements and development effort * Take ownership and responsibility for the full development life cycle * Experience working in an agile development environment * A team player, capable of engaging with other teams * Experience in the end-to-end design, development and support of financial markets systems * Experience with Real Time (event-driven) architectures * Being a full-stack web developer is a plus Technical skills: * 5+ years hands on development with investment banking IT experience * Core Java (essential), Concurrency, Spring * FX Options trading tech experience * Derivatives knowledge * RX Java is a plus * Experience in micro-services and container technologies (preferably Docker) is a plus * Familiarity with CI/CD and DevOps * Experience with distributed data stores a plus * Functional programming experience a plus, * Financial Market domain knowledge * Investment banking is a strong plus * e-trading technology experience is a plus Soft skills: * Fluent in English (speaking and writing) * Strong ownership and ability to deal with ambiguity * Outstanding problem-solving skills * Proactive, self-starter, autonomous ## Description The FM Digital Channels team is responsible for cross-product transactional pricing of derivatives within the bank. The culture in the team is open, intellectual, and fun. Learning opportunities are plentiful, and career advancement is always waiting for those high-energized talents willing and able to step up., As a senior developer, you'll be driving our platform forwards and delivering quality solutions to business-critical customer requirements. Based in London, you will collaborate in a dynamic global team with fellow technologists, business analysts, project managers and business stakeholders across multiple locations.