Backend Developer Intern - Java & Spring Boot

Role OverviewBajriX is a fast-growing marketplace for construction and real estate materials. Our mission is to simplify how buyers discover products and connect with verified suppliers across India. As a Backend Development Intern, you will contribute to the backend systems powering BajriX's buyer, seller, admin, and marketplace applications, working directly with the founders and engineering team on real backend systems and production features used by actual customers.ResponsibilitiesDeveloping and enhancing backend APIs using Java and Spring BootDesigning clean, scalable, and maintainable REST APIsWorking with PostgreSQL databasesDesigning and modifying database tables, relationships, and schemasWriting and optimizing SQL queriesImplementing business logic for marketplace featuresBuilding authentication and authorization functionalityIntegrating backend services with frontend and mobile applicationsImplementing validations, exception handling, and API error responsesDebugging backend issues and fixing production bugsImproving API performance and database efficiencyWriting clean, reusable, and maintainable Java codeWorking with AWS services and cloud infrastructureParticipating in feature discussions, code reviews, and technical planningTesting APIs and validating implemented featuresCollaborating with developers to ship production-ready codeRequirementsGood hands-on experience with JavaGood hands-on experience with Spring BootUnderstanding of Object-Oriented Programming (OOP)Understanding of REST APIsSQL and basic database conceptsBasic Git knowledgeUnderstanding of HTTP methods and status codesBasic understanding of backend application architectureProblem-solving and debugging skillsSkillsJavaSpring BootAWSPostgreSQLGit