Java Backend Developer - J2EE/Spring Frameworks (1-4 yrs)

Role Overview :

As a Java Backend Developer at Reward360, you will be a key contributor to the design, development, and maintenance of our core backend systems.

You will architect and build large-scale, high-performance applications that power our loyalty, rewards, commerce, and payment platforms.

This role offers the opportunity to drive end-to-end system development, directly impact customer behavior, and optimize large-scale system operations.

You will work in a collaborative environment, conducting code reviews, troubleshooting critical issues, and mentoring junior developers.

Key Responsibilities :

- Design, develop, and maintain high-performance, scalable Java-based backend systems.

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

- Implement and optimize complex algorithms and data structures.

- Develop and integrate RESTful APIs.

- Participate in the entire software development lifecycle, from requirements gathering and design to implementation, testing, and deployment.

- Collaborate with cross-functional teams, including front-end developers, product managers, and QA engineers.

- Conduct thorough code and design reviews to ensure code quality, consistency, and adherence to best practices.

- Provide constructive feedback and mentorship to team members.

- Troubleshoot and resolve critical production issues in a timely manner.

- Provide technical guidance and support to the development team.

- Optimize system performance and resolve bottlenecks.

- Contribute to the design and architecture of large-scale systems.

- Ensure systems are scalable, maintainable, and secure.

Required Skills & Experience :

- 0-4 years of overall software development experience.

- Experience in Java/J2EE backend development.

- Strong proficiency in Core Java, including collections, multi-threading, and design patterns.

- Experience with Java frameworks such as Spring (Spring Boot, Spring MVC, Spring Data) and Hibernate/JPA.

- Experience developing and consuming RESTful APIs using Jersey or similar frameworks.

- Strong understanding of relational and NoSQL databases (e.g, MySQL, PostgreSQL, MongoDB, Cassandra).

- Solid understanding of data structures and algorithms.

- Experience with version control systems (e.gGit).

- Excellent problem-solving and analytical skills.

- Strong communication and interpersonal skills.

- Ability to work effectively in a team environment.

- Strong design skills.

- Ability to learn and adapt to new technologies.

- Experience with cloud platforms (e.g, AWS, Azure, GCP).

- Experience with containerization and orchestration technologies (e.g, Docker, Kubernetes).

- Experience with message queues (e.gKafka, RabbitMQ).

- Experience with performance tuning and optimization.

- Experience working in an Agile/Scrum environment