> Markdown version of [/jobs/ext/2366847-java-developer-avp](https://www.wearedevelopers.com/jobs/ext/2366847-java-developer-avp). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Java Developer (AVP) - **Company:** Citigroup Inc. - **Location:** Belfast, UK (Remote available) - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Adobe InDesign, Agile Methodology, Artificial Intelligence, Authentication Protocols, Basic Access Authentication, Software Bug Management, C Sharp (Programming Language), C++ (Programming Language), Databases, Programming Tools, Distributed Systems, Middleware, Apache Hadoop, Java Message Service (JMS), Java Native Interface, Enterprise Messaging Systems, Microsoft SQL Server, OAuth, Oracle (Applications), Systems Development Life Cycle, RabbitMQ, Software Tools, Standard Sql, Simple Object Access Protocol (SOAP), Software Engineering, Software Systems, Web Services, Multithreading, File Transfer Protocol (FTP), Concurrency, Core Api, Kubernetes, Information Technology, Low Latency, Apache Kafka, Restful APIs, TIBCO (Software), Docker, Microservices - **Published:** August 10, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=ab8decea6dcda2f5 ## About the Role * Strong commercial experience as a Java developer. This will be tested during interview stage * Experience in REST API and authentication mechanisms (OAuth/Basic Authentication) * Messaging Systems experience in any of the following middleware technologies (Kafka preferrable, Nats, Solace, TiBCo, RabbitMQ etc.) * Experience working with SQL and databases such as Oracle, SQL Server, Hadoop etc. * Experience with Java Multithreading/Concurrency, Web Services (SOAP/REST), DB2 Database, JMS, MQ, NDM, SFTP * Acquainted with industry best practices and standards, software development tools and techniques * Experience in developing distributed systems Experience in the use of Containers (Docker, Kubernetes) * Desirable skills * Experience in Low Latency Software Development in a microservices environment high performance architectures and high throughput applications is a plus * Experience in C++ or C# is beneficial * Experience in SBE * Experience with JNI is a plus Ability to work with distributed teams across multiple time zones * Education: * Bachelor's degree in Computer Science, Engineering, Information Technology or similar discipline ## Description Unity is the global authority for business transactions across Citi, covering transactions across all asset classes in capital markets, commercial payments, account management and more. At its core Unity provides a unique reference that keeps with a transaction for its entire lifetime thereby allowing full traceability from front office to back office providing great business benefit. This role is for a developer position responsible for accomplishing results through hands on development/bug fixes of our Java application. The overall objective of this role is to drive applications development through programming activities. Responsibilities * Platform Support & Enhancement: Build and maintain common solutions for trading platform monitoring, trade reconciliation, application recovery, and other essential support functions. * Core Development: Participate in design sessions with the development team, both employees and vendors located across multiple locations * Agile SDLC pipeline: Evaluate and adopt new development tools, libraries, and approaches to improve delivery quality by aligning with latest industry trends * Continuous Improvement: Analyze existing software systems and propose solutions to improve overall design, architecture, and efficiency * Cross functional Collaboration: Communicate with stakeholders to help shape requirements and de sign decisions * Liasing with production support teams in troubleshooting and debugging applications * Ensure that best practices and standards are followed as part of the application development life cycle. * Provide user/support documentation * Ensure applications meet performance and scalability requirements Comfortable in using AI based coding assistants and AI powered SDLC processes * ## Related Videos - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Insights from building the Canva Developers Platform to empower 185 million designers](https://www.wearedevelopers.com/videos/942-insights-from-building-the-canva-developers-platform-to-empower-185-million-designers) - [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) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)