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As a Junior Java Developer, you will work closely with senior engineers to implement new features, write test suites, debug backend services, and maintain our core application APIs. This is a high-growth opportunity where you will receive active mentorship, code reviews, and structured training in enterprise technologies like Spring Boot, cloud-native deployments, and distributed systems.
Key Responsibilities
Software Development & Maintenance
Feature Implementation: Write clean, readable Java code to implement backend features and API endpoints based on technical specifications.
Bug Fixing: Assist in troubleshooting, debugging, and resolving application bugs in non-production and production environments.
Code Maintenance: Refactor and optimize existing code to improve maintainability and adherence to coding standards.
Quality Assurance & Testing
Unit Testing: Write comprehensive unit and integration tests using JUnit and Mockito to maintain high test coverage.
Code Quality: Participate in code reviews, receiving constructive feedback from senior peers to continuously improve code standards.
Platform & DevOps Exposure
Database Basics: Write and optimize basic SQL queries, schema updates, and work with object-relational mapping (ORM) frameworks like Hibernate.
CI/CD Awareness: Learn to use Git for version control, merge requests, and monitor builds through automatic CI/CD deployment pipelines.
Collaboration & Growth
Agile Participation: Attend and participate in daily standups, sprint planning, and retrospectives.
Continuous Learning: Dedicate time to understanding design patterns, system architecture, and new backend methodologies under the guidance of a senior mentor.
Required Technical Skills & Qualifications
Core Requirements (Must-Have)
Education: Bachelor’s degree in Computer Science, Software Engineering, or a related technical field (or equivalent self-taught/bootcamp portfolio showing strong foundational knowledge).
Core Java: Solid understanding of Core Java (version 11 or higher), including Object-Oriented Programming (OOP) concepts, Collections API, Exception Handling, and basic Multithreading.
Databases: Foundational knowledge of Relational Databases (SQL) and basic query writing (e.g., PostgreSQL, MySQL, or Oracle).
Version Control: Familiarity with Git workflows (cloning, branching, committing, pushing, and creating pull requests).
Preferred / Nice-to-Have Skills
Familiarity with the Spring Ecosystem (Spring Boot, Spring MVC, Spring Data).
Basic understanding of RESTful API design principles.
Familiarity with Maven or Gradle build tools.
Awareness of containerization concepts (Docker) or cloud platforms (AWS, Azure, GCP).
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
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