Full-Stack Software Intern: Build, Scale & Ship AI Apps

W3Dev; United States; Remote; USD 28,000 - 34,000; Part time

Job summary

W3Dev offers an internship to gain hands-on experience in full-stack software development across frontend and backend domains, with a strong emphasis on TypeScript work and modern JavaScript ecosystems.

You will collaborate with engineers on real production projects, learning testing, deployment workflows, and best practices while using AI-assisted coding tools like Claude and Cursor. This role provides exposure to innovative tech in a collaborative team.

Qualifications

• Proficiency with JavaScript for client and server environments.
• Working knowledge of React for dynamic interfaces.
• Experience or familiarity with Node.js backend development.
• Hands-on experience with MongoDB and PostgreSQL for data storage.
• Familiarity with Claude and Cursor as AI-assisted coding tools.
• Understanding of Vibe Coding practices and methodologies.

Responsibilities

• Create and maintain full-stack applications across languages and stacks.
• Engineer backend infrastructure including REST and GraphQL APIs.
• Develop user-facing products using modern frontend tooling.
• Write tests and automate validation for maintainable code.
• Contribute to architecture discussions and code reviews.

Skills

JavaScript

TypeScript

React

Node.js

Tools

MongoDB

PostgreSQL

Claude

Cursor

Job description

W3Dev offers an internship to gain hands-on experience in full-stack software development across frontend and backend domains, with a strong emphasis on TypeScript work and modern JavaScript ecosystems.

You will collaborate with engineers on real production projects, learning testing, deployment workflows, and best practices while using AI-assisted coding tools like Claude and Cursor. This role provides exposure to innovative tech in a collaborative team.