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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