Software Engineer (Java)

MCS Group is delighted to be partnering with a brand new FDI as they build out a new team here in Belfast. Our client is a high-growth cloud and data engineering consultancy. They are seeking a Java software engineer to join their team. This organisation delivers mission-critical cloud, API, and data solutions for enterprise and high-growth clients, embedding directly within client teams to build scalable, production-grade systems.

The Role

This opportunity is ideal for a backend or data-focused engineer who thrives in technically demanding environments. You will be building high-performance, production-grade systems using modern Java frameworks and microservices architecture.

Day-to-day responsibilities:

• Design and develop resilient, high-performance backend systems using Java
• Build and enhance distributed data pipelines and streaming architectures
• Contribute to system design and architectural decision-making
• Optimise performance, scalability and reliability across enterprise platforms
• Collaborate closely with internal teams and client stakeholders
• Support cloud migrations and modernisation initiatives
• Mentor engineers and uphold strong development standards

What you need:

• Extensive hands-on Java experience
• Strong understanding of multithreading, concurrency and microservices architecture
• Experience working with distributed data technologies and streaming systems
• Solid SQL and data modelling expertise
• Exposure to cloud environments and CI/CD pipelines
• A proactive mindset and ability to operate in high-ownership, client-facing settings

What's in it for you:

• Genuine ownership of complex, enterprise-scale systems
• Exposure to modern cloud and distributed data technologies
• The opportunity to influence architectural decisions
• Hybrid working model
• Competitive salary and strong benefits package
• A collaborative, engineering-first culture focused on long-term growth

This is an excellent opportunity for a strong Java engineer who wants to work on technically challenging systems while shaping the next phase of a growing international consultancy.

To speak in absolute confidence about this opportunity, please send an up to date CV via the link provided or contact Matthew Rainey at m.rainey@mcsgroup.jobs

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 www.mcsgroup.jobs

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.

Not all agencies are the same…MCS Group are passionate about providing a first-class service to all our customers and have an independent review rating of 4.9 stars on Google.