Software Engineer – Java Developer

Citigroup Inc.; Pune District; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Citi is seeking a skilled Java Developer to join our engineering team as a backend specialist. You will architect, develop, and maintain scalable backend services and RESTful APIs using Java 17+ and Spring Boot, while advancing AI-enabled features through LLM integrations.

You will work with microservices in containerized environments (Docker, Kubernetes/OpenShift), design robust databases, and contribute to CI/CD pipelines. Strong collaboration with product managers and architects is required.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.
• 5+ years of professional software development focusing on Java backend systems.
• Strong experience with Java 11/17+ and multi-threading.
• Proven experience designing and consuming RESTful Web Services.
• Familiarity with GenAI/LLM integration is a plus.

Responsibilities

• Design & Development: Architect, build, and maintain backend services and RESTful APIs using Java 17+ and Spring Boot.
• Microservices Architecture: Develop and deploy microservices in Docker/Kubernetes/OpenShift.
• Database Management: Design and optimize schemas; work with PostgreSQL, Oracle, MongoDB, or Cassandra.
• CI/CD & DevOps: Contribute to CI/CD pipelines for automated, reliable delivery.
• Code Quality & Testing: Write clean, testable code; implement unit/integration/contract tests (JUnit, Mockito).
• Collaboration: Work with product managers, system architects, and frontend engineers.
• AI Feature Integration: Integrate LLM APIs to enable summarization, semantic search, or classification.
• Framework Utilization: Use LangChain4j or Spring AI to build RAG pipelines.

Skills

Java

Spring Boot

RESTful APIs

SQL/Databases

Hibernate/JPA

Git/Maven/Gradle

Docker/Kubernetes/OpenShift

AI/GenAI integration

Education

Bachelor's degree in CS/Engineering

Tools

Docker

Kubernetes/OpenShift

Git

Maven/Gradle

Hibernate/JPA

Job description

We are seeking a skilled and motivatedJava Developerto join our engineering team.

This is an exciting opportunity for a strong backend engineer who wants to maintain deep expertise in core Java technologies while actively building practical experience in the rapidly evolving field of Artificial Intelligence.

Key Responsibilities:

• Design & Development:Architect, build, and maintain high-quality, scalable, and secure backend services and RESTful APIs using Java (version 17 or higher) and the Spring Boot framework.
• Microservices Architecture:Develop and deploy microservices in containerized environments (Docker, Kubernetes/OpenShift).
• Database Management:Design and optimize database schemas, write efficient queries, and integrate with relational (e.g., PostgreSQL, Oracle) and non-relational (e.g., MongoDB, Cassandra) databases.
• CI/CD & DevOps:Participate in and improve continuous integration and continuous deployment (CI/CD) pipelines to ensure automated, reliable software delivery.
• Code Quality & Testing:Write clean, maintainable, and testable code. Implement comprehensive unit, integration, and contract tests (JUnit, Mockito).
• Collaboration:Work closely with product managers, system architects, and frontend engineers to translate business requirements into technical solutions.
• AI Feature Integration:Integrate Large Language Model (LLM) APIs (e.g., OpenAI, Anthropic, or internal AI gateways) into existing Java applications to enable smart features like summarization, semantic search, or automated classification.
• Framework Utilization:Utilize modern Java-based GenAI libraries and frameworks, such asLangChain4jorSpring AI, to build Retrieval-Augmented Generation (RAG) pipelines and agentic workflows.

Required Technical Skills

• Programming Language:Strong proficiency in Java (Java 11/17+ preferred), including deep understanding of multi-threading, concurrency, and object-oriented design patterns.
• Frameworks:Extensive experience with Spring Boot, Spring Cloud, Spring Data, and Spring Security.
• APIs:Proven experience designing and consuming RESTful Web Services.
• Databases:Solid experience with SQL (PostgreSQL, MySQL, or Oracle) and ORM frameworks like Hibernate/JPA.
• Build & Version Control:Proficiency with Git, Maven, or Gradle.

Preferred Qualifications

• Experience with cloud platforms (AWS, GCP, or Azure).
• Familiarity with message brokers/queues (Apache Kafka, RabbitMQ).
• Prior experience building a basic Retrieval-Augmented Generation (RAG) application or chatbot (even as a personal project).
• Familiarity with Python (for basic AI scripting or data manipulation) is a plus, though the primary focus remains Java.

Soft Skills & Competencies

• Curiosity & Continuous Learning:A strong desire to stay updated on both Java advancements and the fast-moving GenAI landscape.
• Problem-Solving:Analytical mindset with the ability to troubleshoot complex backend issues and design creative AI-driven solutions.
• Communication:Excellent verbal and written communication skills, with the ability to explain technical concepts to both technical and non-technical stakeholders.
• Collaboration:A team player who thrives in an agile, collaborative environment.

Education & Experience

• Bachelor’s degree in Computer Science, Engineering, or a related technical field (or equivalent practical experience).
• 5+ years of professional software development experience focusing on Java backend systems.
• Demonstrated interest or minor project experience (academic, personal, or professional) involving Generative AI or LLM integration.

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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.