Full Stack Java Engineer jobs in Belfast

As a Software Engineer II, you will take ownership of the development of new features for your team, working with cutting edge technologies and owning this process end to end. You will bring a customer centric approach with a curiosity and passion for continuous learning. You will be provided with c

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A prominent technology firm in Northern Ireland is looking for a Java Developer to work on government projects. The role involves strong Java development, experience with Spring/SpringBoot, and cloud technologies like AWS, Azure, or GCP. Candidates will join a Scrum Team practicing Agile methodologi

Ocho

Ocho Belfast, Northern Ireland, United KingdomSenior Java Software Engineer This range is provided by Ocho. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.(New Cloud Security company that recently set up in Belfast with 14 hires already on board

A technology company in Belfast is seeking a Full Stack Java Technical Lead to provide technical leadership and manage software solutions for government clients. You will coordinate project delivery using modern technologies such as Java, Spring Boot, and various JavaScript frameworks. The ideal can

Allstate Northern Ireland

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated drivin

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Overview Version 1 has celebrated over 28 years in Technology Services delivers solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world. We foster strong partnerships with leading technology giants including Microsoft, AWS, Orac

APEX Fintech Solutions UK

Apex Fintech Solutions, is a leading innovator in the fintech sector, leveraging advance... Apex Fintech Solutions is seeking a Senior Software Engineer to play a key role on our Billing engineering team, responsible for designing, developing, and maintaining high-quality software solutions. You wil

Citigroup Inc.

Discover your future at CitiWorking 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 OverviewEnginee

Citigroup Inc.

A leading global bank in Belfast is looking for a motivated Java developer to create innovative tools for its developer community. This role involves developing APIs, engaging in the Software Development Lifecycle, and acting as a trusted consultant. The ideal candidate will have strong Java and Spr

MAIN PURPOSE OF THE ROLE & RESPONSIBILITIES IN THE BUSINESSAs a Lead Software Engineer (Consultant) in Kainos, you'll be responsible for leading teams and developing high quality solutions which delight our customers and impact the lives of users worldwide. It's a fast-paced environment so it is

Citi

A global banking institution is seeking a motivated developer to join their Technology Application Strategy team in Belfast. You will play a key role in developing innovative tools utilizing Java and SpringBoot. Ideal candidates should have strong Java skills, experience with build tools, and a good

Back-End Engineer (Java)Application Deadline: 30 January 2026 Department: Technology Employment Type: Full Time Location: Belfast Reporting To: Stephen McKeown Imagine catching criminals before they strike—that's exactly what Napier's AI-powered platform does! By analysing transactions and customers

PowerToFly

A leading global financial institution in Belfast seeks a skilled Java developer for the Technology Application Strategy team. You will develop tools using Java and SpringBoot, engage throughout the Software Development Lifecycle, and act as a trusted consultant for developers. The position offers a

The Flex

At The Flex , we believe renting a home should feel instant, intelligent, and effortless — as seamless as booking a ride. Our ambition is bold: enabling anyone to live anywhere, anytime, without friction. Powered by Base360.ai , our proprietary automation engine, we are building the operating system

Allstate

A leading insurance firm in Northern Ireland is seeking a Full Stack AI Engineer to join their team. The role entails designing and developing full-stack applications using Java Spring Boot and Python, while integrating Generative AI models into solutions. The ideal candidate will have at least 4 ye

PowerToFly

A tech company in Northern Ireland is seeking an experienced Lead Full Stack Developer to join its dynamic engineering team. The ideal candidate will have strong expertise in Java and ReactJS, along with a solid understanding of relational and NoSQL databases. This role involves leading the design,

MCS Group

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 Full-Stack Java Engineer This is an opportunity to join a highly regarded technology function within a large, established financial services en

Ocho

A technology company is seeking a Senior Full‐Stack Software Engineer to join their team. This fully remote role requires candidates to be based in Northern Ireland. You will design and build scalable applications using Python and React, ensuring secure and resilient deployment in AWS environments.

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A fintech company in Belfast is looking for a Software Engineer to help build a scalable solution for digital capital markets. You will work in small teams, focusing on creating user-friendly products and features while collaborating closely with product colleagues. The ideal candidate has 3+ years

Gearset

A leading DevOps platform in Belfast is seeking a Mid-Level Software Engineer to enhance existing features and collaborate on new developments. The ideal candidate has experience in full-stack development and is familiar with technologies such as C#, Java, and React. This full-time role offers a fle