Full Stack Developer Needed – File Upload Feature (React, Next.js, Node.js)

We are looking for an experienced Full Stack Developer to implement a secure and scalable file upload system within our existing web application. The ideal candidate should have strong experience with React, Next.js, Node.js, cloud storage services, and backend API development. This project involves building the complete file upload workflow, including backend APIs, cloud storage integration, frontend implementation, validation, and secure file handling. Responsibilities Develop secure file upload APIs using Node.js and Express.js Integrate cloud storage services such as AWS S3, Cloudflare R2, or similar Configure file storage, retrieval, and access permissions Implement frontend file upload components using React and Next.js Display uploaded files and file references within the application UI Handle upload progress indicators and user feedback Enforce file type, size, and security validations Prevent unauthorized access and ensure secure file handling practices Perform testing and ensure reliable upload performance Write clean, maintainable, and well-documented code Tech Stack: = Frontend React.js Next.js Tailwind CSS REST API Integration = Backend Node.js Express.js File Upload Middleware (Multer or similar) Authentication & Authorization = Cloud Storage AWS S3 (Preferred) Cloudflare R2 DigitalOcean Spaces Other S3-compatible storage providers = Requirements Proven experience building file upload systems in React and Node.js applications Strong knowledge of AWS S3 or similar cloud storage platforms Experience handling file validation, security, and access control Understanding of scalable backend architecture and API development Familiarity with Next.js frontend integrations Ability to deliver production-ready code with proper documentation Strong communication and problem-solving skills Nice to Have Experience with TypeScript Experience with image optimization and processing Knowledge of signed URLs and secure file access patterns Experience deploying applications on AWS, Vercel, or similar platforms