> Markdown version of [/jobs/ext/2801449-lead-java-developer-vp](https://www.wearedevelopers.com/jobs/ext/2801449-lead-java-developer-vp). 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). --- # Lead Java Developer (VP) - **Company:** Citigroup Inc. - **Location:** Belfast, UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Spring Security, Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Automation of Tests, Microsoft Azure, Big Data, Cloud Computing, Computer Engineering, Data Integration, Relational Databases, Database Design, Database Theory, Distributed Computing Environment, Memory Management, Java Platform Enterprise Edition (J2EE), Gradle, Apache Hadoop, Apache Hive, Java Virtual Machine (JVM), Junit, Apache Maven, MongoDB, NoSQL, Open Web Application Security, Performance Tuning, Scrum Methodology, Systems Development Life Cycle, Query Optimization, Regression Testing, Mockito, Secure Coding, Software Deployment, Software Engineering, SQL Databases, Data Streaming, Working Model 2D, Multithreading, Data Storage Technologies, Test-Driven Development (TDD), Spring Cloud, Concurrency, Database Optimization, Apache Spark, Spring-boot, Git, Spring Data, Event Driven Architecture, Kubernetes, Information Technology, Real Time Data, Apache Kafka, Bitbucket, Restful APIs, Stream Processing, Docker, Jenkins, Microservices - **Published:** September 9, 2026 - **Apply:** https://citi.wd5.myworkdayjobs.com/2/job/Belfast--United-Kingdom/Lead-Java-Developer--VP-_26990518/apply ## About the Role Required Technical Experience: * Professional Experience: Significant experience of hands-on software engineering experience in enterprise-scale environments, with a proven track record of delivering robust, high-performance applications. * Java/J2EE Expertise: Deep, authoritative knowledge of the J2EE platform and Core Java (Java 8 and above), including advanced concepts such as multi-threading, concurrency, memory management, JVM profiling, and performance tuning. * Spring Ecosystem: Extensive experience building microservices and RESTful APIs using Spring Boot, Spring Cloud, Spring Data, and Spring Security. * Big Data Technologies: Strong, hands-on experience with distributed computing frameworks, specifically Apache Spark, Hadoop, and Hive. Proven ability to write and optimize complex Spark jobs. * Real-Time Streaming: Practical experience designing and implementing event-driven systems using Apache Kafka, including topic configuration, producer/consumer APIs, and stream processing. * Database Concepts: Exceptional understanding of database concepts. Strong proficiency in SQL, database design, indexing strategies, and query optimization. Hands-on experience with NoSQL databases, specifically MongoDB, is highly required. * Modern Tooling: Proficiency with Git/Bitbucket, Maven/Gradle, Jenkins, Docker, and Kubernetes. Required Professional & Process Skills: * Agile Mindset: Strong experience working in fast-paced Agile/Scrum environments, with a deep understanding of sprint ceremonies and agile metrics. * Software Lifecycle Mastery: Comprehensive knowledge of modern SDLC practices, secure coding standards (OWASP), and test-driven development (TDD) using JUnit and Mockito. * Problem Solving: Analytical thinker with a relentless focus on troubleshooting, root-cause analysis, and resolving complex system issues under tight deadlines. * Communication: Superb written and verbal communication skills, with the ability to document technical designs clearly and present ideas persuasively. Preferred Qualifications: * Financial Domain Knowledge: Prior experience in the financial services industry, with a strong preference for candidates who understand Regulatory Reporting (e.g., Basel III/IV, CCAR, MiFID, Dodd-Frank, or local transaction reporting), Risk Management, or Capital Markets. * Cloud Awareness: Familiarity with cloud-native development and deploying applications on cloud platforms (AWS, GCP, or Azure). Education: Bachelor's or Master's degree in Computer Science, Computer Engineering, Information Technology, or a related technical field ## Description * Lead and Mentor: Guide and support a team of software engineers, fostering a collaborative environment, conducting code reviews, and promoting technical excellence. * Regulatory Onboarding: Drive the technical execution of onboarding new regulatory requirements, ensuring the platform is adaptable to evolving global compliance standards. * AI & Automation Integration: Apply knowledge of AI/ML concepts to explore and implement intelligent automation, anomaly detection, or data classification solutions within the regulatory reporting pipelines. * Hands-On Development: Write clean, robust, and testable code using Java and Spring Boot, setting a high standard of engineering quality for the team. * Component Design: Design scalable application components, microservices, and data integration layers to support high-throughput regulatory reporting. * Big Data Processing: Develop and optimize distributed data processing jobs using Apache Spark, Hadoop, and Hive to aggregate and transform large-scale financial datasets. * Real-Time Streaming: Build and maintain real-time data ingestion and streaming pipelines using Apache Kafka. * Database Management: Design and optimize data models in MongoDB and relational databases, ensuring high performance for complex queries and data storage. * Agile Execution: Drive sprint planning, task estimation, and daily progress within an Agile/Scrum framework to ensure timely delivery of project milestones. * Requirement Translation: Partner closely with Business Analysts and Compliance teams to translate complex regulatory rules into precise technical specifications. * Technical Liaison: Act as the primary technical point of contact for your team, communicating progress, technical risks, and solutions to technology management. * Quality Assurance: Establish best practices for automated testing (unit, integration, and regression tests) and ensure secure coding standards are met. ## Related Videos - [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) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [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) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) - [From boy scouting to redrawing the landscape](https://www.wearedevelopers.com/videos/1140-from-boy-scouting-to-redrawing-the-landscape) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)