We are looking for a Senior Java / J2EE Developer who is passionate about building scalable enterprise applications and driving engineering excellence to support the transformation and modernization of Citi’s core application platforms.

This role is ideal for someone who enjoys writing clean, high-quality code, solving complex application and integration challenges, and designing robust, scalable, and maintainable systems. You will play a key role in translating business requirements into production-grade enterprise solutions while continuously improving system performance, reliability, and development practices.

• Design, develop, and maintain scalable enterprise applications using Java / J2EE technologies
• Build and enhance APIs and microservices to support business functionalities
• Translate business and functional requirements into well-architected technical solutions
• Write high-quality, maintainable, and testable code adhering to OOP principles and design patterns
• Leverage frameworks such as Spring Boot, Spring MVC, Swing
• Ensure application performance, scalability, and resiliency through optimization and tuning
• Troubleshoot and resolve complex application and production issues
• Participate in code reviews and enforce secure coding standards and best practices
• Collaborate with product owners, architects, QA, and DevOps teams in Agile delivery
• Support CI/CD pipelines, release management, and deployment activities
• Contribute to system design discussions and technical decision-making
• Guide and mentor junior developers while leading by example
• Take ownership of deliverables and ensure timely, high-quality delivery

• 6–10 years of hands-on experience in Java / J2EE development
• Solid foundation in data structures, OOP, design patterns, and clean coding practices
• Proven experience in building enterprise-grade applications
• Strong experience with RDBMS (Oracle)
• Experience with messaging technologies such as Kafka, JMS, or RabbitMQ
• Familiarity with microservices architecture and distributed systems
• Exposure to Docker, Kubernetes, or cloud-based deployments is preferred
• Experience with CI/CD tools (Jenkins, Git, Maven)
• Knowledge of application servers (Tomcat, WebSphere WebLogic) is a plus
• Strong problem-solving skills and ability to work independently with minimal supervision
• Experience working in Agile/Scrum environments

• Bachelor’s degree in Computer Science, Engineering, or equivalent
• Master’s degree preferred