Java Microservices Developer - Citi, MH, India

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Job Overview

The Applications Development Intermediate Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

Job Description: Java Microservices Developer (5+ Years Experience)

Role Overview

We are seeking an experienced Java Microservices Developer with 5+ years of hands-on experience in designing, developing, and deploying scalable, high-performance backend services. The ideal candidate is proficient in Spring Boot and the broader Java ecosystem, with a strong grasp of distributed systems.

Key Responsibilities

• Design, develop, and maintain microservices using Java and Spring Boot
• Build scalable, distributed, event-driven services using Kafka
• Build and consume RESTful APIs
• Implement service-to-service communication, resiliency patterns, and fault tolerance
• Write clean, testable, well-documented code following best practices
• Collaborate with cross-functional teams (DevOps, QA, Product) in an Agile environment
• Optimize application performance, scalability, and reliability
• Participate in code reviews, design discussions, and technical decision-making
• Troubleshoot and resolve production issues

3 Primary Mandatory Skills

• Java 21 + Spring Boot with Microservices (Kafka) — Core backend development building scalable, distributed microservices with Kafka-based event-driven messaging, plus strong Java fundamentals (Streams, Lambdas, Records, Virtual Threads) and RESTful API design.
• Problem Solving — Strong analytical and problem-solving ability to troubleshoot, debug, and resolve complex production and design challenges.
• RESTful API Design & Resiliency — Building and consuming REST APIs with service-to-service communication and resiliency patterns.

Required Skills & Technologies

Core Java

• Java 21 (Streams, Lambdas, Functional Interfaces, Collections, Concurrency, Records, Virtual Threads)
• Strong OOP, design patterns, and data structures

Frameworks

• Spring Boot, Spring MVC, Spring Data JPA

Microservices & Architecture

• Microservices design principles and patterns
• RESTful API design
• Resiliency libraries (Resilience4j / Hystrix)

Messaging & Streaming

• Kafka (primary) — event-driven messaging and streaming

Databases

• Oracle

Build & Tooling

• Maven
• Git, GitHub/GitLab/Bitbucket

Testing

• JUnit, Mockito, integration testing, TDD

DevOps & CI/CD

• Docker, Kubernetes
• CI/CD pipelines with Harness

Good to Have (Optional)

• Spring Batch — Designing and maintaining batch processing jobs for high-volume data handling.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field
• 5+ years of professional Java development experience, with significant time in microservices
• Strong problem-solving, communication, and collaboration skills

Candidate requires knowledge on below Tech stack: 1. JDK 21 2. Spring framework 3. webservice 4. Microservice design 5. Messaging service 6. git hub

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.