Requirements Must have: - 3 years experience in backend engineering, ideally within a Fintech or high-availability environment - Experience in Java / Spring Boot development, including design patterns, OO design, and refactoring - Strong understanding of REST API design - Experience building fault-t
Requirements Must have: - Degree in Computer Science, Software Engineering, or similar - 1-3 years commercial backend engineering experience - Strong experience with Golang and/or Java (other languages welcome) - Hands-on experience with cloud platforms (AWS, GCP, Azure) - Experience building data-i
Backend Software Engineer | Go, Java, AWS | Belfast (Hybrid) Location: Belfast (3 Days Hybrid) Type: Permanent About the Opportunity: This role sits within a high-performing backend engineering team building cloud-native systems that process large volumes of data in real time. The environment is fas
Backend Software Engineer | Go, Java, AWS | Belfast (Hybrid) Location: Belfast (3 Days Hybrid) Type: Permanent About the Opportunity: This role sits within a high-performing backend engineering team building cloud-native systems that process large volumes of data in real time. The environment is fas
Backend Software Engineers (Golang / Java) Hybrid Roles | Cloud Security | Northern Ireland We're proud to be working in partnership with a high-growth cloud security company that established its Northern Ireland engineering hub less than two years ago. Since launching locally, the team has grown to
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 institution
Requirements Must have: - 5-10 years of experience in backend engineering roles - Proven track record of building scalable services in Java (preferably 11+) - Hands-on experience with microservices architecture, REST APIs, and message queues (Kafka, SQS or similar) - Deep understanding of AWS and ho
Backend Software Engineer | Go, Java, AWS | Belfast (Hybrid) Location: Belfast (3 Days Hybrid) Type: Permanent About the Opportunity: This role sits within a high-performing backend engineering team building cloud-native systems that process large volumes of data in real time. The environment is fas
Job Req Id 26954519 Location(s) Belfast, Northern Ireland, United Kingdom Job Type Hybrid Posted Apr. 10, 2026 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
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
Job Req Id 26952288 Location(s) Belfast, Northern Ireland, United Kingdom Job Type Hybrid Posted Apr. 10, 2026 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
Backend Software Engineer | Go, Java, AWS | Belfast (Hybrid) Location: Belfast (3 Days Hybrid) Type: Permanent About the Opportunity: This role sits within a high-performing backend engineering team building cloud-native systems that process large volumes of data in real time. The environment is fas
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 deploying advanced AI to helping shape global marke
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 deploying advanced AI to helping shape global marke
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 deploying advanced AI to helping shape global mark
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 deploying advanced AI to helping shape global mark
Backend Software Engineer | Go, Java, AWS | Belfast (Hybrid) Location: Belfast (3 Days Hybrid) Type: Permanent About the Opportunity: This role sits within a high-performing backend engineering team building cloud-native systems that process large volumes of data in real time. The environment is fas
Intermediate Java Developer - Fully Remote NI | Remote | Full-Time At a glance Backend role with real ownership Java and Kotlin microservices in a cloud native environment Work-from-Home (NI only) Salary up to £55k plus bonus The Opportunity Ocho is partnering with a fast-growing, product-led fintec
Principal / Staff Java Developer - (Cybersecurity) The Opportunity The Ocho Exclusive opportunity for a Principal Java Developer to play a foundational role in a greenfield backend team at a fast-scaling, cloud-first business. Joining a new backend function, with the chance to set the tone for engin
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