Senior Java DeveloperAnnual Salary: Competitive with performance-related bonusLocation: City of London (Hybrid - 3 days a week onsite)Job Type: Full-Time, PermanentA new exciting opportunity has become available for an experienced Senior Java Developer to join a growing Technology department working specifically within Capital Markets for an SME, post-trade solutions organisation.This role offers an exciting opportunity to play a central role in building and evolving their post-trade technology platform. You will be instrumental in developing in-house systems, APIs, client reporting, and web portals, as well as customising third-party trading systems.This position is a key step towards a Head of Engineering role, anticipated within 24 months based on performance and organisational growth.Day-to-day of the role:Design, develop, and maintain in-house systems, APIs, reporting tools, and the client web portal.Implement AI in the Software Development Life Cycle (SDLC) process.Customise and extend third-party trading systems to meet business requirements.Write clean, well-tested code following SOLID principles, Design Patterns, and Clean Code practices.Apply Test-Driven Development (TDD) and Behaviour-Driven Development (BDD) methodologies; maintain test coverage using JUnit, Spock, and Mockito.Participate in code reviews and contribute to the continual improvement of engineering standards.Collaborate with Client Services and Product Management to understand requirements and ..... full job details .....