Senior Java Developer
Citigroup
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).
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