Java Developer

• Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements
• Identify and analyze issues, make recommendations, and implement solutions
• Utilize knowledge of business processes, system processes, and industry standards to solve complex issues
• Analyze information and make evaluative judgements to recommend solutions and improvements
• Conduct testing and debugging, utilize script tools, and write basic code for design specifications
• Assess applicability of similar experiences and evaluate options under circumstances not covered by procedures
• Develop working knowledge of Citi’s information systems, procedures, standards, client server application development, network operations, database administration, systems administration, data center operations, and PC-based applications
• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency

• 2-5 years of relevant experience
• Strong Java Fundamentals: Solid understanding of Java SE concepts, including object-oriented programming, collections, exception handling, and basic multi-threading
• Object-Oriented Design (OOD): Ability to apply OOD principles and common design patterns to write clean, modular, and maintainable code
• Problem-Solving with Algorithms & Data Structures: Good grasp of fundamental algorithms and data structures, and the ability to apply them to solve practical programming problems
• Frameworks: Solid experience with Java frameworks, primarily Spring Boot, for developing robust and scalable back-end services. Familiarity with Spring MVC, Spring Data JPA, and Spring Security
• RESTful APIs: Proven ability to develop and implement RESTful APIs, understanding of HTTP methods, status codes, and basic API design principles. Experience in consuming third-party APIs
• Database Technologies: Proficiency in working with relational databases (e.g., PostgreSQL, MySQL, Oracle), including writing SQL queries, understanding database schemas, and using ORM frameworks like Hibernate/JPA
• Basic Messaging/Caching: Familiarity with concepts of asynchronous messaging (e.g., Kafka, RabbitMQ) and caching mechanisms (e.g., Redis) to enhance application performance and scalability
• Modern JavaScript Frameworks: Good proficiency in at least one modern JavaScript framework/library such as Angular, React, or Vue.js. This includes component development, state management, and interaction with RESTful APIs
• HTML5, CSS3, & Responsive Design: Solid understanding of web markup, styling (e.g., Sass, Less), and building responsive user interfaces
• Build Tools & Package Managers: Familiarity with front-end build tools (e.g., Webpack) and package managers (npm, Yarn)
• CI/CD: Understanding of Continuous Integration/Continuous Deployment principles and ability to work effectively within established CI/CD pipelines
• Containerization: Basic understanding of Docker and its role in application deployment
• Cloud Platforms: Familiarity with cloud concepts and experience deploying applications to cloud environments (e.g., AWS, Azure, GCP)
• Monitoring & Logging: Ability to use logging frameworks and contribute to monitoring application health and performance
• Unit & Integration Testing: Strong practice of writing unit tests (e.g., JUnit, Mockito) and integration tests for both front-end and back-end components
• Code Quality: Adherence to coding standards, participation in code reviews, and familiarity with static code analysis tools
• Effective Problem Solving: Ability to diagnose and resolve technical issues independently or with minimal guidance
• Analytical Skills: Strong analytical skills to understand complex requirements and translate them into technical solutions
• Team Player: Excellent collaboration skills, working effectively within a development team, sharing knowledge, and actively participating in discussions
• Communication: Clear and concise verbal and written communication, capable of articulating technical issues and solutions to team members and other stakeholders
• Code Review Participation: Actively participating in code reviews, providing constructive feedback, and incorporating feedback from others
• Accountability: Taking ownership of tasks and delivering high-quality work within project timelines
• Self-Management: Ability to manage workload, prioritize tasks, and work efficiently in an Agile environment
• Continuous Learning: Proactive in learning new technologies, tools, and best practices to stay current in the rapidly evolving tech landscape
• Agile Proficiency: Solid understanding and experience working within Agile development methodologies (Scrum, Kanban)
• Bachelor’s degree/University degree or equivalent experience

Exposure to NoSQL databases is a plus