Backend Developer Intern

About Onified.aiOnified.ai is building an Enterprise Resource Intelligence platform for manufacturers, with 50+ integrated applications spanning business and manufacturing operations.We are looking for a Backend Developer Intern who wants to understand what happens behind those applications, like APIs, business logic, data, security, integrations and distributed systems.You will write code that becomes part of live software, not spend six months doing training exercises.What you will work onBuild and improve backend services and APIsImplement enterprise business logic and workflowsWork with relational databases and data modelsBuild service-to-service integrationsWork with authentication, authorization and multi-tenant systemsWrite tests and debug application behaviourInvestigate performance and reliability issuesParticipate in code reviewsLearn how production SaaS systems are designed and operatedWhat we are looking forStudents who can commit full-time for six months, and 2026 graduates, from CS, IT, Engineering or related fieldsStrong programming fundamentalsUnderstanding of object-oriented programmingBasic understanding of REST APIsBasic SQL/database knowledgeFamiliarity with data structuresCuriosity about how systems work beyond the UIWillingness to debug rather than give up when something breaksGood to haveJava, Spring Boot, Python, FastAPI, PostgreSQL, Redis, Kafka, Docker, Git or substantial backend projects.Knowing our entire stack is not a requirement.Internship detailsPaid · 6 months · Full-time · On-site · GurugramYou will work alongside engineers on live Onified.ai applications.We care more about fundamentals, aptitude and learning ability than the number of frameworks on your CV.Strong performance and fit can lead to consideration for a full-time role at Onified.ai.