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 RoleThis 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 JavaBuild and enhance distributed data pipelines and streaming architecturesContribute to system design and architectural decision-makingOptimise performance, scalability and reliability across enterprise platformsCollaborate closely with internal teams and client stakeholdersSupport cloud migrations and modernisation initiativesMentor engineers and uphold strong development standardsWhat you need:Extensive hands-on Java experienceStrong understanding of multithreading, concurrency and microservices architectureExperience working with distributed data technologies and streaming systemsSolid SQL and data modelling expertiseExposure to cloud environments and CI/CD pipelinesA proactive mindset and ability to operate in high-ownership, client-facing settingsWhat's in it for you:Genuine ownership of complex, enterprise-scale systemsExposure to modern cloud and distributed data technologiesThe opportunity to influence architectural decisionsHybrid working modelCompetitive salary and strong benefits packageA collaborative, engineering-first culture focused on long-term growthThis 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.rain 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.Not all agencies are the sameMCS 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.Skills:java spring springboot kafka react API's
Updated: 20 March 2026
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