Senior Backend Java Developer

As a Senior Back-end Java Developer you'll play a key role in the design, architecture, and delivery of enterprise-grade trading systems and supporting applications. You'll collaborate closely with trading, operations, and risk teams to build tools and data feeds that drive business performance and resilience across the firm. This is an opportunity to work on technically challenging problems in a collaborative, high-performing environment where engineering quality and innovation come first., * Design, develop, and maintain core enterprise systems supporting trading and risk operations.

• Build tools, reports, and data pipelines to support key business processes.
• Ensure software quality, scalability, and operational resiliency.
• Collaborate with cross-functional teams to deliver technology solutions that support business goals.
• Participate in architectural discussions and contribute to engineering best practices., * Be part of a new Belfast engineering hub for a global trading firm.
• Work in a fast-moving environment where autonomy and impact are valued.
• Flat structure with direct exposure to technical leadership and decision-making.
• Flexible working arrangements and a culture focused on collaboration, innovation, and continuous learning.

• 6-10 + years of experience in a technical software engineering role.
• Strong Computer Science fundamentals and a solid understanding of software design principles.
• Proven experience with large-scale, distributed systems.
• Hands-on experience in cloud environments (AWS or similar).
• Strong back-end development skills preferably Java experience (Spring Boot a plus) but C++ or other Back-end Developers are welcome to apply.
• Bachelor's or postgraduate degree in Computer Science or related discipline.
• AWS certification or experience working in cloud-native architectures is an advantage.

Our client is a fast growing global trading firm building a brand new engineering hub in Belfast in 2026. Founded by a team of technologists and financial experts, the company develops advanced trading platforms and enterprise systems that operate at scale, supporting a wide range of strategies and asset classes. Having successfully navigated multiple market cycles, they're now expanding their footprint to Northern Ireland to establish a world-class engineering capability., Phil Gamble has over 20 years of experience in the Tech recruitment industry, successfully delivering on challenging IT recruitment campaigns in global IT software companies in the US, UK, and Ireland. He takes a personalized approach to understanding candidates and has garnered praise for his professionalism and dedication to their career goals. Recent LinkedIn Testimonials: "I cannot recommend Phil and Ocho enough...Phil is a professional who does not treat his candidates as resources..." "Phil was by far the best recruiter I have ever dealt with...I wouldn't hesitate to recommend Phil to my friends or colleagues." "Phil has helped me find new roles more than once...Phil takes the time to understand what it is I'm looking for..."