15 of 15 Senior Java Engineer Jobs in Belfast

## Senior Software Engineer (Java Or Python) - VPApplylocations: Belfast United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: 26969354**Senior Software Engineer (Java Or Python)**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance … reporting control issues with transparency.**Key Skills and Experience required****Additional Job Description*** Experience in full‐stack application development with strong expertise in **Java or Python*** Deep experience with backend frameworks such as **Spring Boot/Spring Core** and **Flask/FastAPI*** Solid frontend experience with **modern JavaScript frameworks ...

Senior Software Engineer (Java Or Python) 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 … reporting control issues with transparency. Key Skills and Experience required Additional Job Description Experience in full‐stack application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPI Solid frontend experience with modern JavaScript frameworks ...

Partners is seeking a senior Java engineer to join a new security-focused squad within a global tier-1 financial institution. You will design and build backend microservices (Java 17+, Spring Boot) that secure deployment pipelines in AWS, orchestrated on Kubernetes/OpenShift. You will ...

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/Spring Boot, microservices, RESTful APIs and cloud/container tooling. You will work in a hybrid setup with the team and operate within a fast-paced financial #J-18808-Ljbffr ...

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. ...

Global Fixed Income Trade Processing (FiTP) Team is seeking a Senior Software Engineer (Java) with a proven track record of design and developing large, complex and distributed systems. This role is within the FiTP team in Belfast, United Kingdom. The successful individual will ideally have a good … expectations or requirements Experience required Solid understanding of software development fundamentals including data structures, design patterns and object‐orientated programming. Proficiency in core Java demonstrable success in developing multi‐threaded applications and expert level knowledge in data structures, algorithms, collections, and error handling. Spring Framework (and Spring Boot): This ...

Global Fixed Income Trade Processing (FiTP) Team is seeking a Senior Software Engineer (Java) with a proven track record of design and developing large, complex and distributed systems. This role is within the FiTP team in Belfast, United Kingdom. The successful individual will ideally have a good … expectations or requirements. Experience required: Solid understanding of software development fundamentals including data structures, design patterns and object-oriented programming. Proficiency in core Java demonstrable success in developing multi-threaded applications and expert level knowledge in data structures, algorithms, collections, and error handling. Spring Framework (and Spring Boot): This ...

Citigroup Inc. is seeking a Senior Software Engineer (Java or Python) to help shape next‐gen financial software. You will engage in full‐stack development, leverage Spring Boot/Core and Flask/FastAPI, and build cloud‐native solutions with modern JS frameworks. You will also explore ...

99856935728Posted: 2026-09-01Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications DevelopmentCompany: CitiThe Global Fixed Income Trade Processing (FiTP) Team is seeking a Senior Software Engineer (Java) with a proven track record of design and developing large, complex and distributed systems.This role is within the FiTP … changes in expectations or requirementsExperience required Solid understanding of software development fundamentals including data structures, design patterns and object-orientated programming. Proficiency in core Java demonstrable success in developing multi-threaded applications and expert level knowledge in data structures, algorithms, collections, and error handling.Spring Framework (and Spring Boot): This ...

98171091088Posted: 2026-08-21Location: Belfast, Northern Ireland, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiSenior Software Engineer (Java Or Python) 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 … escalating, managing and reporting control issues with transparency.Key Skills and Experience requiredAdditional Job DescriptionExperience in full‐stack application development with strong expertise in Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPISolid frontend experience with modern JavaScript frameworks (React ...

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 ...

building a new engineering team for a global tier-1 financial institution to strengthen its deployment security platform.You will design and build backend microservices (Java 17+, Spring Boot) that secure internal software delivery pipelines—automating vulnerability detection, policy enforcement, and secrets management at enterprise scale. This is a long … year program. You will work in a high-autonomy squad alongside SREs and DevOps engineers. Key Responsibilities Design, develop, and optimize resilient microservices using Java 17+ and Spring Boot. Deploy and manage applications on Kubernetes (OpenShift) in AWS cloud environments. Build integrations with CI/CD pipelines (GitHub Actions ...

Citigroup Inc. in Belfast (Hybrid) seeks an experienced Java developer to design, implement and support trading platform applications. You will work on core services, APIs, and distributed systems with modern tooling, across multi-site teams. The role emphasizes REST APIs, authentication, messaging systems, and high-performance software, with ...

Citi Belfast is hiring experienced backend Java developers to contribute across applications systems development, analysis and programming activities. Roles range from AVP to SVP and include responsibilities aligned with building robust Java-based systems. The team offers a hybrid work model (up to 2 days at home ...

Net2Source Inc. in Belfast, UK, is seeking a Backend Java Developer with 5–7 years of experience to design, develop and maintain scalable microservices using Java Spring and Spring Boot. The role is hybrid, requiring 3 days onsite per week, and is a fixed-term employment opportunity (12+ … months). The ideal candidate will design, develop and maintain Java-based microservices, collaborate with cross-functional teams, ensure performance and reliability, and contribute to code reviews, testing and #J-18808-Ljbffr ...