Senior Java Developer

Senior Java Developer

My customer is actively hiring a talented & eager Senior Java Developer to join their growing & dynamic team. The successful candidate will be responsible for designing, developing, and maintaining Java-based applications, contributing to the full software development lifecycle from concept to deployment and beyond. This role is ideal for a passionate and seasoned Senior Java Developer looking to further their career in a challenging and rewarding environment.

Role Overview

You will work on in-house systems, APIs, client reporting and web portal, as well as customising our third-party trading system. You will translate complex business requirements into scalable, high-quality software solutions.

This is an opportunity to deepen your expertise in a capital markets environment as a Senior Java Developer while taking on team leadership and mentoring responsibilities — with direct exposure to cloud-native infrastructure, advanced Java development, AI and a highly collaborative engineering culture.

Key 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; 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 various stakeholders (IT and Business) to understand requirements and propose solutions to senior stakeholders

Essential

* 6+ years' Java development experience at a Financial Services company

* Java 11+, Spring/Spring Boot, multi-threading, profiling, performance tuning, RMI

* Capital Markets knowledge or similar

* Experience in high-quality software practices: TDD, Agile, automated builds/deployments

* Strong knowledge of CI build and deployment management tools

* Experience with test frameworks (JUnit/Spock) and mocking libraries (e.g. Mockito)

* Proficiency with Git and Maven

Senior Java Developer...