Senior Java Developer

Salary: £115,000 - 125,000 per year

Requirements:

• 6+ years of Java development experience at a Financial Services company
• Java 11+, Spring/Spring Boot, multithreading, profiling, performance tuning, and RMI experience
• Capital Markets knowledge or similar experience
• Experience with high-quality software practices, including TDD, Agile, and automated builds/deployments
• Strong knowledge of CI build and deployment management tools
• Experience with test frameworks such as JUnit and Spock, and mocking libraries such as Mockito
• Proficiency with Git and Maven

Responsibilities:

• Design, develop, and maintain in-house systems, APIs, reporting tools, and the client web portal
• 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 TDD and BDD methodologies and maintain test coverage using JUnit, Spock, and Mockito
• Participate in code reviews and contribute to continual improvement of engineering standards
• Manage and mentor a team of Java and other developers, supporting growth and career development
• Liaise with IT and business stakeholders to understand requirements and propose solutions to senior stakeholders

Technologies:

• AI
• Cloud
• Git
• JUnit
• Java
• Spring
• Spring Boot
• TDD
• Web
• Maven

More:

We are hiring a talented and eager Senior Java Developer to join our growing and dynamic team. This is an opportunity to work on in-house systems, APIs, client reporting, and our web portal, as well as customise our third-party trading system. You will translate complex business requirements into scalable, high-quality software solutions and deepen your expertise in a capital markets environment. The role offers team leadership and mentoring responsibilities, direct exposure to cloud-native infrastructure, advanced Java development, AI, and a highly collaborative engineering culture.

last updated 36 week of 2026