Java Developer Jobs in Belfast

MCS Group is working with a major technology-led organisation as it builds a new engineering capability in Belfast. This is a significant period of growth, with multiple opportunities available for experienced Java Developers across mid-level, senior...

• Hybrid

Job ID: 1 Posted: 2026-09-25Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, Entry LevelCompany: CitiDiscover your future at CitiWorking at Citi is far more than just a job. Apply (by clicking the re...

• Hybrid

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From ...

• Remote

Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. To be considered for an interview, please make sure your ap...

• Hybrid

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From ...

We have an immediate opening for a C# Developer with experience in Python or Java , possessing over 10 years of experience at Synechron , based in Belfast, Northern Ireland . Job Role : C# Developer with (Python or Java) Experience : 10+ yr...

• Hybrid

Job ID: 97603313824Posted: 2026-08-21Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiEngineer the future of global finance. Not sure what skills you will need for this oppor...

• IT
• Hybrid

Senior Java Developer | Award-Winning Digital Agency | Belfast Hybrid | Up to £60K. MCS Group is thrilled to be partnering with a cutting-edge Digital Agency that has been making waves across Belfast and beyond. With deep local roots and a reputation for delivering high-impact solutions, this agency blends client-focused project work with the excitement of developing their own in-house products.

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From ...

Qualifications Experience with Java NIO components like Channels Buffers and Selectors is expected Expert knowledge of FIX protocol Market Connectivity and Low latency programming is a must Very strong in Java and Spring Boot based application develo...

• Remote

Company DescriptionVersion 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Increase your chances of reaching the interview stage by reading the comp...

• Hybrid

2 days ago Be among the first 25 applicants MCS Group | Your Specialist Recruitment Consultancy provided pay range This range is provided by MCS Group | Your Specialist Recruitment Consultancy. Your actual pay will be based on your skills and experi...

• Hybrid

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From ...

Qualifications Experience with Java NIO components like Channels Buffers and Selectors is expected Expert knowledge of FIX protocol Market Connectivity and Low latency programming is a must Very strong in Java and Spring Boot based application deve...

We have an immediate opening for a C# Developer with experience in Python or Java, possessing over 10 years of experience at Synechron, based in Belfast, Northern Ireland. Job Role: C# Developer with (Python or Java)Experience: 10+ yrsHiring Location...

• Hybrid

Java/Golang Developers ( Mid level) Backend Software Engineers (Golang / Java) Hybrid Roles | Cloud Security | Northern Ireland We're proud to be working exclusively in partnership with a high-growth cloud security company that established its Northe...

Synechron is looking for an experienced C# Developer, with knowledge/understanding of .Net Framwork/Net Core to join our development team working for a leading global bank. We are specifically looking for hands-on experience with version control syst...

Synechron is looking for an experienced C# Developer, with knowledge/understanding of .Net Framwork/Net Core to join our development team working for a leading global bank. We are specifically looking for hands-on experience with version control syst...

• Remote

Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Take the next step in your career now, scroll down to read ...

• Hybrid

Job ID: 1 Posted: 2026-09-24Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiDiscover your future at CitiWorking at Citi is far more than just a job. Considering making an ap...

Full Stack Developer (Java / Python / Go) Belfast Contract Our client is seeking a Full Stack Developer (Java / Python / Go) to join a leading global Tier 1 financial institution undergoing a major transformation of its technology landscape. You ...

Role: Java Developer Type: PERM/FTE Location: Belfast, Northern Ireland Working Model: Hybrid Core Responsibilities: Develop: Architect and maintain robust Java-based microservices leveraging Spring and SpringBoot frameworks. Lead: Guide development ...

Role: Java DeveloperType: PERM/FTELocation: Belfast, Northern IrelandWorking Model: HybridCore Responsibilities:Develop: Architect and maintain robust Java-based microservices leveraging Spring and SpringBoot frameworks.Lead: Guide development effort...

Role: Java DeveloperType: PERM/FTELocation: Belfast, Northern IrelandWorking Model: HybridCore Responsibilities:Develop: Architect and maintain robust Java-based microservices leveraging Spring and SpringBoot frameworks.Lead: Guide development effort...