Senior Java Developer

Citigroup Inc.; Chennai District; On-site; INR 2,400,000 - 4,000,000; Full time

Job summary

Citigroup Inc. is seeking a Senior Java Developer to design, develop, and maintain enterprise-grade Java applications and microservices in a scalable, secure environment. You will mentor junior developers and champion engineering best practices across cross-functional teams.

The role emphasizes RESTful APIs, Spring ecosystem expertise, and a strong focus on performance, reliability, and DevOps culture within a Citi-scale technology environment.

Qualifications

• 5+ years of professional software development experience.
• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.

Responsibilities

• Design, code, test, and deploy Java-based applications and microservices.
• Participate in architectural discussions, design system components, and ensure feasibility of designs.
• Conduct code reviews, enforce coding standards, and implement automated testing (unit, integration, performance).
• Identify bottlenecks, troubleshoot production issues, and optimize performance and resource utilization.
• Build and maintain CI/CD pipelines for automated deployment and monitoring.
• Collaborate with product owners to define technical specifications and estimate effort.
• Mentor junior and mid-level developers, fostering technical excellence.

Skills

Java

Spring Framework

Microservices

SQL

NoSQL

Kafka

Docker

ECs

Education

Bachelor’s or Master’s degree in Computer Science or related field

Tools

PostgreSQL

Oracle

MySQL

MongoDB

Cassandra

Redis

Apache Kafka

RabbitMQ

ActiveMQ

Job description

We are seeking a highly skilled and experiencedSenior Java Developerto join our technology team. In this role, you will be responsible for designing, developing, and maintaining high-performance, scalable, and secure enterprise-grade applications. You will collaborate closely with cross-functional teams, including product managers, architects, and QA engineers, to deliver robust software solutions that align with our business objectives.

As a senior member of the team, you will also mentor junior developers, drive engineering best practices, and contribute to architectural and design decisions.

Key Responsibilities

• Software Development:Design, code, test, and deploy high-quality, scalable, and secure Java-based applications and microservices.
• Architecture & Design:Participate in architectural discussions, design system components, and ensure the technical feasibility of system designs.
• Code Quality & Best Practices:Conduct code reviews, enforce coding standards, and implement automated testing (unit, integration, and performance testing).
• Performance Optimization:Identify bottlenecks, troubleshoot production issues, and optimize application performance, latency, and resource utilization.
• CI/CD & DevOps:Build and maintain robust CI/CD pipelines for automated deployment, configuration management, and monitoring.
• Collaboration:Work closely with product owners to understand requirements, define technical specifications, and estimate development effort.
• Mentorship:Guide and mentor junior and mid-level developers, fostering a culture of continuous learning and technical excellence.

Technical Requirements

Core Java & Frameworks

• Java Expertise:Strong proficiency in Java (version 11/17/21) with a deep understanding of core concepts like multi-threading, concurrency, memory management, and JVM tuning.
• Spring Ecosystem:Extensive experience with Spring Boot, Spring MVC, Spring Security, Spring Data, and Spring Cloud.
• Microservices Architecture:Proven experience designing and implementing RESTful APIs and microservices-based architectures.

Database & Integration

• Relational Databases:Strong SQL skills and experience with databases such as PostgreSQL, Oracle, or MySQL.
• NoSQL Databases:Familiarity with NoSQL databases like MongoDB, Cassandra, or Redis is highly desirable.
• Messaging & Integration:Experience with message brokers and event-streaming platforms such as Apache Kafka, RabbitMQ, or ActiveMQ.

Soft Skills & Leadership

• Problem-Solving:Excellent analytical and debugging skills with a proactive approach to resolving complex technical challenges.
• Communication:Strong verbal and written communication skills, with the ability to explain technical concepts to non-technical stakeholders.
• Leadership:Demonstrated ability to lead small teams, take ownership of deliverables, and drive projects to completion.
• Agile Mindset:Experience working in Agile/Scrum development environments.

Qualifications & Experience

• Education:Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field.
• Experience:5+ years of professional software development experience

Java & Spring:Extensive hands-on experience with Java, Spring Framework, and Spring Boot.

Microservices:Proven experience in designing and building microservices-based architectures.

Messaging Systems:Strong experience with Kafka implementation for building event-driven systems.

Containerization:Good knowledge of container technologies, with specific experience in ECS.

Database:Strong proficiency in PL/SQL for database development and optimization.

Agile Methodologies:Solid experience working in and practicing Agile development methodologies.

Preferred Qualifications:

AI and Prompt Engineering:Wide exposure to and practical experience with smart AI tools and the ability to craft optimized prompts.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

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

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