Fullstack Developer(Backend Focused) Intern (Nest.js, Next.js,and React) - Internship

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:4

Stipend - upto 16K INR (Experienced Members will be given more preference)

Important 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. Were looking

for talented, driven individuals who want to create world-class software and

grow in a fast-paced, product-first environment.

About Role

Were hiring aFullstack 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.

Youll work on core platform featuresranging 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 usingNest.js,Next.js, andReact.

* 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

* Youve built complete fullstack projects using React, Next.js, and Nest.js.

* Youre 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.