Salary: £33,000 - 61,000 per year Requirements: Experience developing applications with Java and web technologies. Good understanding of HTML, CSS, and JavaScript. Knowledge of the Spring framework. Knowledge of PL SQL (Oracle). Knowledge of Typescript. BS/BA degree or higher in Computer Science, Engineering, Mathematics, or equivalent experience. Expert proficiency with computer technologies including Java, Linux, and OO Design focused on performance, re-usability, test automation, and flexibility for customizations. Strategic thinking, analytical, problem-solving, and troubleshooting skills. Ability to work as part of a team, communicate effectively at all organizational levels with strong written and verbal communication skills. Good understanding of multithreaded and network programming concepts (non-essential). Experience with messaging middleware like Solace and knowledge of event-driven (pub/sub) programming models (non-essential). Knowledge of the Angular framework (non-essential). Responsibilities: Hands-on design and development of tools for driving Liquidnets global equity business. Partner with Product, Product Support, and Trading Desk to deliver rapid client customizations and fast lane solutions. Contribute to all areas of the software development lifecycle including design, development, integration, automated testing, optimization, and maintenance. Develop innovative solutions in a strategic, pragmatic way. Contribute to all areas of team performance including daily scrums and after-action reviews. Serve as third-tier support for production issues and related support needs. Keep current with industry trends and incorporate emerging best practices into everyday work. Technologies: Angular CSS Support Java JavaScript Linux Network Oracle PL SQL SQL Spring TypeScript Web Fullstack More: Liquidnet is an exceptional financial services organization seeking an experienced developer to join our Internal Tools team. We are focused on delivering client-facing trading algorithms and related services as part of an agile development team. Located in City Quays, Belfast, we believe in fostering inclusivity and collaboration, making every individual feel welcome and valued. We encourage enthusiastic candidates to apply, regardless of whether their experience aligns perfectly with every criterion. Join us to contribute to our culture of innovation and continuous improvement. last updated 13 week of 2026