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Job Title: Fullstack Developer(Backend Focused) Intern (Nest.Js, Next.Js,and React)Company: Cloudflex Technologies Location: Remote Type: Paid Internship Duration: 6 Months Opportunity for Full-Time: Yes (Based on Performance) Positions: 4Important Note This internship is for individuals who already have hands-on experience building real projects using Next.Js, Nest.Js, and React. Read the Requirements and Responsibilities carefully before applying.About Company Cloudflex is building next-generation cloud infrastructure products with a strong focus on performance, scalability, and user experience. We’re looking for talented, driven individuals who want to create world-class software and grow in a fast-paced, product-first environment.About Role We’re hiring a Fullstack Developer(Backend Focused) Intern (Next.Js, Nest.Js, and React) with solid experience in Next.Js, Nest.Js, and modern JavaScript frameworks. This role is ideal for someone who has already shipped projects involving both frontend and backend integration, API design, and database interactions. You’ll work on core platform features—ranging from backend APIs and service integrations built in Nest.Js to frontend dashboards built in Next.Js and React. The work will directly power our product infrastructure and client-facing systems.Responsibilities Implement backend services, APIs, and business logic using Nest.Js and Node.Js. Develop, integrate, and maintain front-end interfaces using Next.Js and React. Design and manage data flows between the frontend and backend components. Optimize applications for scalability, reliability, and performance. Collaborate closely with product managers, designers, and other engineers. Ensure clean, modular, and maintainable code aligned with best practices. Debug, test, and improve system components across the stack. Requirements Proven experience building real-world projects using Nest.Js, Next.Js, and React. Strong understanding of backend architecture, database interactions, and RESTful APIs. Comfortable implementing authentication, authorization, and data persistence logic. Solid grasp of React component lifecycle, routing, and SSR in Next.Js. Proficiency in JavaScript/TypeScript, HTML, CSS, and Git version control. Excellent problem-solving abilities and ability to work independently. Full-time availability and commitment for the entire 6-month internship. Good to Have Experience with SQL or NoSQL databases (PostgreSQL, MongoDB, etc.). Familiarity with Redux, Zustand, or similar state management libraries. Knowledge of testing frameworks such as Jest or Supertest. Understanding of CI/CD, code modularization, and API documentation tools (Swagger, Postman). What to Expect at Cloudflex High learning curve – build production-grade applications from day one. Startup culture – flat hierarchy, ownership-driven, and fast-moving. Mentorship from experienced engineers and founders. Real impact – your work directly reaches users and powers our platform. Who Should Apply You’ve built complete fullstack projects using React, Next.Js, and Nest.Js. You’re confident tackling both frontend UI and backend API challenges. You want to deepen your backend architecture and problem-solving skills. You thrive in a results-oriented, startup-style environment.Stipend - 6k to 10K INR