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Java Backend Developer

Citi
Chennai, IND
Full-time
Entry
Hybrid
Discovered 1 weeks ago
JavaJUnitMockitoSQLHibernateGit
Free

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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.

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).
  • Experience writing unit tests with JUnit.
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Other Relevant Skills

  • 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.
  • If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi . View Citi’s EEO Policy Statement and the Know Your Rights poster.

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