Java Developer (mid-level)

MCS Group is delighted to be working with a global financial technology organisation as they expand their engineering team in Belfast with the addition of a Java Engineer

This is an opportunity to join a highly regarded technology function within a large, established financial services environment, building robust, high-performance systems used by clients across international markets. The team operates in an agile, delivery-focused way and values engineers who enjoy solving complex problems and building software that truly matters.

The RoleYou'll join a collaborative development team responsible for designing and building internal tools and client-facing services that support a fast-moving, data-driven trading environment. The role offers genuine ownership across the full development lifecycle, from design through to production support, while working closely with product, trading and support stakeholders.

What You'll Be DoingDesigning and developing scalable Java-based services using modern frameworks

Building and enhancing web applications using Angular and TypeScript

Working across the full SDLC, including design, development, testing and optimisation

Collaborating closely with product and business stakeholders to deliver high-quality solutions

Contributing to agile delivery, technical discussions and continuous improvement

Supporting production systems and helping resolve complex technical issues when required

What We're Looking ForStrong commercial experience with Java and modern backend frameworks (e.g. Spring)

Solid understanding of RESTful APIs, web technologies and relational databases

Experience working in a performance-critical or complex systems environment

Strong problem-solving skills and the ability to work effectively in a team

A background in Computer Science, Engineering, Mathematics or equivalent experience

Why Apply?Work on high-impact, business-critical systems

Join a well-established engineering team with a strong delivery culture

Hybrid working model based

Long-term career progression within a stable, global organisation

To speak in absolute confidence about this opportunity, please send an up to date CV via the link provided or contact matthew rainey at

Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles

MCS Group is committed to Equality, Diversity, and Inclusion for all, being the first recruitment agency in NI to achieve Bronze Diversity Mark accreditation, if you have a disability which means you require a reasonable adjustment to be considered at any stage of the recruitment process, please contact us and we will endeavour to facilitate the request.

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