Cloud & Infrastructure
AWS (EC2, ALB, IAM, Route 53, VPC, Security Groups)
Internet Gateway & Route Tables
Microsoft Azure (Fundamentals)
DevOps & CI/CD
Docker & Docker Compose
GitHub Actions (CI/CD Pipelines)
Terraform CLI (init, plan, apply, destroy)
Programming
Python
Java
Shell Scripting (Linux)
Backend & APIs
REST API Development
MVC Architecture
Backend Service Design
Databases & Messaging
MySQL • SQLite
MQTT (Event-driven communication)
Security & Networking
HTTPS & CORS
Load Balancing
IP-restricted SSH access / CIDR (/32)
Public & Private Subnets (Cloud networking fundamentals)