51 to 61 of 61 Java Jobs in Belfast

Senior Java Engineer — High-Performance Microservices (Hybrid UK)

Location
Belfast City District, Northern Ireland, United Kingdom
Citigroup Inc. in Belfast, United Kingdom is seeking a Senior Software Engineer (Java) to design and develop large, complex distributed systems for the FiTP team. You will contribute to high volume trade capture and processing, with a focus on performance, scalability and reliability. The role requires strong Java expertise, Spring ...

Billing Platform Tech Lead – Java/Spring/AWS

Location
Belfast City District, Northern Ireland, United Kingdom
lead the rollout of cloud-native billing technologies and guide modernisation across complex enterprise systems. You will design, build and operate microservices with Java/Spring Boot, AWS/EKS, and Oracle DB, while mentoring teams and driving high-quality delivery. The role emphasizes architectural leadership, reliability, and scalable solutions ...

Java Developer - Belfast, Northern Ireland

Hiring Organisation
Randstad Digital
Location
City, Belfast, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 Annual
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 click apply for full job details ...

Software Engineering Specialist

Location
Belfast City District, Northern Ireland, United Kingdom
cloud-native solutions, creating new microservices, and guiding the evolution of billing capabilities across complex enterprise systems. The role requires strong technical depth in Java/Spring Boot, AWS, EKS, and Oracle DB, combined with the ability to lead engineering direction, mentor teams, and ensure high-quality delivery. By driving … Solution Design · Design and evolve cloud-native billing solutions using microservices architecture, API-first design, and scalable integration patterns. · Make key technical decisions across Java/Spring Boot services, AWS-hosted workloads, EKS deployment models, and Oracle DB data design. · Ensure solutions are secure, scalable, supportable, and aligned to enterprise ...

Senior Java Developer (AVP) – Hybrid, Global Finance

Location
Belfast City District, Northern Ireland, United Kingdom
Citi is seeking a Java Developer AVP in Belfast for a hybrid role (up to 2 days at home per week). You will help build and maintain Java applications that power our trading platforms, focusing on performance, reliability and scalable REST APIs with secure authentication. Work with global teams ...

Senior Java Lead: Regulatory Data & AI-Driven Pipelines

Location
Belfast City District, Northern Ireland, United Kingdom
Citi is seeking an experienced software engineer in Belfast to architect and lead regulatory reporting pipelines using Java and Spring Boot. You will guide a team, onboard new regulations, and implement AI-driven automation while ensuring scalable, reliable data processing across big data stacks. The role emphasizes real-time streaming ...

Senior Java Microservices Engineer - Hybrid

Location
Belfast City District, Northern Ireland, United Kingdom
Citi is seeking a Senior Java Developer to join the Risk Data Team in a hybrid Belfast setting. You will build high‐impact software, design robust microservices, and own critical data pipelines that support risk management across the organization. Join a globally distributed team focused on clean code, scalable solutions ...

Senior Java Engineer: High-Performance, Hybrid, Fixed Income

Location
Belfast City District, Northern Ireland, United Kingdom
Citigroup Inc. in Belfast, United Kingdom, is seeking a Senior Software Engineer (Java) to design and evolve large, distributed systems for the FiTP team. The role focuses on high-volume trade capture and processing with a strong emphasis on low latency and multi-threaded Java applications. You will work ...

Java AVP Engineer - Trading Tech Innovator

Location
Belfast City District, Northern Ireland, United Kingdom
Citi is hiring for a Java developer role within its technology wing. The role focuses on building and maintaining scalable trading platform solutions, with emphasis on REST APIs, messaging systems, and distributed architectures. The team operates in a hybrid model with exposure to global teams and modern SDLC practices. ...

Equities Technology (Low Latency Developer) - VP

Location
Belfast City District, Northern Ireland, United Kingdom
## Equities Technology (Low Latency Developer) - VPApplylocations: Belfast United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26977601Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence ...

Senior Python Developer - Hybrid | AI/LLM, RAG, CI/CD

Location
Belfast City District, Northern Ireland, United Kingdom
Citibank (Switzerland) AG in Belfast is seeking a Senior Python developer to join the Wholesale Credit Risk Technology team. You will partner with onshore and offshore teams to design and deliver innovative technology solutions for ...