Senior Java Developer

Discover your future at Citi

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Job Overview

We are seeking an experienced Java Backend Developer to design, develop, and maintain robust, scalable, and high-performance backend systems. The ideal candidate will have a strong understanding of the Java ecosystem, modern software development practices, and a commitment to delivering high-quality code. You will work closely with frontend developers, product managers, and other stakeholders to deliver end-toto-end solutions.

Responsibilities

Design, develop, and maintain server-side applications using Java and related frameworks (e.g., Spring Boot, Micronaut, Quarkus).

Write clean, efficient, well-documented, and testable code.

Implement and manage APIs (RESTful, GraphQL) for seamless integration with frontend and other services.

Collaborate with product owners, designers, and other engineers to define, design, and ship new features.

Participate in code reviews to ensure code quality and adherence to best practices.

Troubleshoot and debug production issues, providing timely resolutions.

Optimize applications for maximum speed and scalability.

Contribute to the entire application lifecycle, from conception to deployment and maintenance.

Stay up-to-date with new technologies and industry trends, and apply them as appropriate.

Mentor junior developers and share knowledge within the team.

Qualifications Required

Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

5+ years of professional experience in backend development using Java.

Strong proficiency in Java 8+ and object-oriented programming.

Extensive experience with Spring Framework (Spring Boot, Spring MVC, Spring Data JPA, Spring Security).

Solid understanding of RESTful API design principles and experience building microservices.

Experience with relational databases (e.g., PostgreSQL, MySQL, Oracle) and ORM frameworks (e.g., Hibernate, JPA).

Familiarity with version control systems (e.g., Git).

Experience with testing frameworks (e.g., JUnit, Mockito).

Knowledge of software development best practices, including agile methodologies.

Strong problem-solving skills and attention to detail.

Excellent communication and teamwork skills.

Preferred

Master's degree in Computer Science or a related field.

Experience with cloud platforms (e.g., AWS, Azure, Google Cloud).

Familiarity with containerization technologies (e.g., Docker, Kubernetes).

Experience with message brokers (e.g., Kafka, RabbitMQ).

Knowledge of NoSQL databases (e.g., MongoDB, Cassandra).

Experience with CI/CD pipelines.

Understanding of distributed systems and scalability concepts.

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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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