– Developed a comprehensive file-sharing service by building a robust backend using Go and PostgreSQL, implementing JWT authentication for secure access, and integrating Cloudflare R2 for efficient file storage. – Created a CLI client in Python to enable seamless interaction with the service from the terminal, allowing users to upload, download, and share files directly through a command-line interface. – Launched a user-friendly web interface for public file viewing and downloading, facilitating easy link-based sharing of files with customizable permissions. – Implemented subscription-based access control by managing user subscriptions with daily read and write limits, using cron jobs to reset limits and ensure fair usage, enhancing user experience and service reliability. Link: https://shc-frontend-two.vercel.app/