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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer (Java) - Fixed Income (VP) - **Company:** Citigroup Inc. - **Location:** Belfast, UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Spring Security, JIRA, Build Automation, Cloud Computing, Computer Programming, Data Structures, Relational Databases, Software Design Patterns, Linux, Distributed Systems, Java Platform Enterprise Edition (J2EE), Gradle, Java Persistence API, Spring Framework, Apache Maven, OpenShift, Rapid Application Development, Software Construction, Software Engineering, SQL Databases, Web Applications, Multithreading, Spring-mvc, Spring-boot, Git, Information Technology, Low Latency, Build Tools, Bitbucket, Teamcity, Restful APIs, Docker, Artifactory, Microservices - **Published:** August 28, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=982a2c59ff7ebb3a ## About the Role The 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 knowledge of Fixed Income products and experience in building software systems to handle the capture and processing of high volume of such trades. In this fast paced environment you must be able to prioritize tasks, work within deadlines, taking a pragmatic and thoughtful approach, paying close attention to details. You will need to employ strong communication skills, necessary to effectively produce client solutions., * Bachelor's degree with a relevant major (Computer Science, Information Technology, Mathematics, Engineering, or similar) * Proven experience in design and development of high performance, low-latency, multi-threaded applications. * Extensive hands-on development experience in Java. * Demonstrated ability to learn new business concepts and technologies. * Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements, * 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 is almost non-negotiable for enterprise Java development. Expertise in Spring Boot for rapid application development, Spring MVC for web applications, Spring Data JPA for persistence, and Spring Security for authentication / authorization. * Microservices Architecture: Understanding how to design, develop, and deploy independent, loosely coupled services, which is a common pattern for applications running on ECS. * RESTful APIs: Designing, developing, and consuming RESTful web services using Java and Spring Boot. * Build Tools: Maven or Gradle for project management and build automation. * Proven ability to develop clean, testable code. * Understanding of relational database concepts and knowledge in SQL. * Experience with Jira, Git/Bitbucket, Gradle and CI/CD tools, e.g. TeamCity and UrbanCode Deploy. * Experience with Linux/Unix. * Knowledge on cloud technologies e.g. Artifactory, Docker and OpenShift. * Knowledge of fixed income products, customer and broker market platforms and trading protocols desirable. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025)