Java Back End Developer Data Core Systems
Data Core Systems
Office Location
Full Time
Experience: 3 - 5 years required
Pay: INR 1 - INR 10001 /Month
Type: Full Time
Location: Kolkata
Skills: Java, MySQL, spring boot, PostgreSQL, Spring, Boot, Bootstrap, Backend
About Data Core Systems
Job Description
Key Responsibilities:
- Design, develop, and maintain scalable backend services and RESTful APIs using Java and Spring Boot
- Implement database schemas, queries, and integrations with relational and NoSQL databases
- Conduct unit and integration testing to ensure code quality and reliability
- Optimize backend applications for performance, scalability, and security
- Troubleshoot issues across environments and provide solutions to technical problems
- Participate in code reviews and contribute to development best practices and standards
Required Skills:
- Strong programming skills in Java (Java 8 or higher)
- Deep understanding and hands-on experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security
- Solid experience in developing RESTful APIs and microservices
- Proficiency with SQL databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB)
- Familiarity with ORM frameworks like Hibernate
- Experience with Maven/Gradle, Git, and CI/CD pipelines
- Knowledge of containerization using Docker; Kubernetes exposure is a plus
- Understanding of API documentation tools like Swagger/OpenAPI
Preferred Qualifications:
- Bachelor's degree in Computer Science, Engineering, or a related field
- Experience with Agile/Scrum methodologies