Lead Java Developer jobs in Northern Ireland

Mid-Level Software Engineer (Java) Exciting new FDI About the Company: Our client is a global leader in digital asset innovation, building technology that bridges traditional finance and the emerging crypto economy. Their mission is to create trusted, high-performance systems that enable institutions to seamlessly integrate digital assets into their portfolios and operations. As part of their...

You will play a key role in developing tooling for the Citi developer community using a range of technologies including Java and SpringBoot microservices on Linux on OpenShift.

You will provide expert guidance, facilitating their onboarding and maximizing their utilization of the innovative tools and platforms you help create.

You will work across cutting‑edge platforms including Payment Networks, Digital Banking, Emerging Payments, and highly scalable data and analytics environments built on Google Cloud Platform, Data Lakes and Power BI. This role involves modern engineering, integration, testing, and hands‑on development within a high‑impact digital landscape.

Business Development Lead Our leading client in Newry, Co Down is looking for an experienced Business Development Lead, to work on a part-time, temporary basis, within their friendly and supportive team. The Role: Flexible on days 20-25 hours per week Fixed term for 1 year Oversight of existing client contracts while supporting the identification, development, negotiation, and securing of new...

A leading technology company based in Northern Ireland is looking for a Staff Java Engineer to design and deliver high-performance backend services in a cloud-first environment. This role offers flexibility with fully remote or hybrid working options. Candidates should have strong experience with modern Java (11+) and AWS, as well as familiarity with microservices and CI/CD environments. The...

You will be working in a Scrum Team of cross-functional skills in tight collaboration practising Agile.

You will be contributing to real decisions about technology to create maintainable solutions for our customers and participating in a highly collaborative group of software engineering professional’s.

You should have a strong background in Java development with experience in designing and delivering enterprise-grade applications. You’ll combine solid technical capability with collaboration and communication skills to drive successful client outcomes. Essential qualifications:

Java Developer Your Role We are seeking a Jave Developer to join Capgemini Financial Services Cloud Practice. This is a permanent, full-time hybrid position in Manchester, UK and this represents a unique opportunity for someone to enhance their Cloud Consulting career. Gathering requirements from the business analyst team. Analyse any new technical requirements within the development...

Job Description SoftwareEngineering Team Lead- Northern Ireland A fast-growing technology company specialising in AI-driven insights and automation is seeking an Engineering Team Lead to join its engineering function. This organisation builds scalable, cloud-based products used globally and places strong emphasis on engineering quality, security and innovation within a high-growth...

Job Description Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview We're looking for multiple talented engineers Server Side , to join one of our...

Principal Java Developer - Fully Remote The Opportunity Ocho is partnering with a fast-growing, product-led fintech that's building out a brand-new Development Centre from the ground up to deliver an innovative Greenfield platform. As a Principal Java Developer, you'll be hands-on in designing and developing backend, service, and portal systems that power secure, scalable payment processing....

You will design, build and maintain high-quality software solutions using Java, Spring Boot and microservices. The work focuses on solving real problems for financial services clients, delivering secure, reliable and scalable systems.

You will work closely with cross-functional teams, contribute to design discussions, and play a key role in delivering production-ready solutions.

You will have a truly global reach, which will provide you with new experiences and development opportunities right here in Belfast's iconic Titanic Quarter.

You will need to employ strong communication skills, necessary to effectively produce client solutions. This job description provides a high-level review of the types of work performed.

Software Engineer (Java) Experience level: 2-4 years Are you a Java engineer who enjoys building well-designed systems, writing clean code, and working on problems that actually matter? My client is looking for a Software Engineer with 2-4 years' commercial Java experience to join a collaborative engineering team working on scalable, production-grade systems. This role is ideal for someone who...

You will collaborate with highly capable engineers across Belfast and the wider global engineering organisation, contributing to large scale distributed systems while helping shape engineering standards and best practices.

You will operate as a technical adviser across multiple teams, shaping architecture, unblocking delivery, raising engineering standards, and helping systems scale in a demanding domain. Success in this role is defined by durable technical improvements, clearer architectural direction, and stronger collaboration across engineering, product, and platform functions.

Job description. Senior Software Engineer - Java Location: Belfast / Hybrid Eligibility: UK work authorisation required This role sits within a global technology business building large-scale platforms used by millions of people every day. You'll join a highly capable engineering team working on complex, high-throughput systems where reliability, performance, and clean design really matter. As a...

Company A global, product-led technology business building large-scale digital platforms used by major retail and consumer brands worldwide. This is a true product engineering environment, not consultancy or project-based delivery, with long-term ownership of complex systems operating at significant scale. The Role You'll play a key role in designing and evolving highly scalable backend services...

Job description. Senior Java / Cloud Engineer Location: Belfast / Hybrid Eligibility: UK work authorisation required A global technology organisation operating in the payments and platform space is continuing to invest heavily in its engineering capability. With a strong presence across Northern Ireland, the focus is on building modern, scalable, cloud-native systems that support high-volume,...

You will work closely with product, design, and front end engineers to deliver scalable, reliable functionality that directly supports the product roadmap. This is a hands on back end role where you will influence architecture, drive quality standards, and contribute meaningfully to technical decision making in an environment that values autonomy and engineering excellence.