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Code Sandbox
🚀 6-Phase Zero to Hero Curriculum

Master Big Tech Software & AI Systems

Learn Full Stack (Python, JS, React, Node, SQL), DSA, System Design, Mobile Apps, ML/Vector RAG, and Autonomous AI Agents with 8-in-1 interactive live code sandboxes.

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25
Master Tracks
489+
Visual Lessons
8-in-1
Cloud Compilers
100% Free
Verified Certificates

Target Career Role Pathways

Curated curriculum sequences designed to crack Top 100 Big Tech & AI Engineering roles.

All Roles (3) 🌐 Full-Stack SDE 🧩 DSA & Coding 🏛️ System Architect 📱 Mobile Engineer 🤖 GenAI & ML 🛰️ AI Agents & Big Data
High-Level System Design (HLD): Distributed Systems at Scale
Senior to Principal Architect
★ 5.00
10 Lessons
⚡ Live IDE

High-Level System Design (HLD): Distributed Systems at Scale

Scalability, CAP Theorem, Database Sharding, Caching, WhatsApp, Netflix, Uber & Twitter/X

⏱️ 55 Hours 📖 22 Lessons 👥 4,800
🎓 Verifiable Certificate 100% Free
DevOps, Docker & Cloud VPS Deployment Mastery
Intermediate to Cloud/DevOps
★ 4.98
7 Lessons
⚡ Live IDE

DevOps, Docker & Cloud VPS Deployment Mastery

Linux CLI, Docker Multi-Stage, Nginx Reverse Proxy, Certbot SSL, PM2 & CI/CD

⏱️ 40 Hours 📖 20 Lessons 👥 3,700
🎓 Verifiable Certificate 100% Free
Git, System Design & Web Security (OWASP Top 10)
Intermediate to Security Architect
★ 4.95
5 Lessons
⚡ Live IDE

Git, System Design & Web Security (OWASP Top 10)

Rebase/Reflog, SQLi/XSS Defense, CSRF Tokens, CSP Headers, Redis & Testing

⏱️ 30 Hours 📖 16 Lessons 👥 3,100
🎓 Verifiable Certificate 100% Free