React.js, Next.js, Node.js, Express, MongoDB, REST APIs, and AWS cloud deployment.
Python, TensorFlow, PyTorch, Computer Vision, OpenCV, NLP, and Scikit-Learn models.
AWS EC2/S3/RDS, Docker containers, Kubernetes clusters, GitHub Actions CI/CD, Terraform.
Ethical hacking, Kali Linux, OWASP Top 10 vulnerabilities, Wireshark, and Metasploit audits.
ESP32, Arduino, Raspberry Pi, MQTT broker, sensor mesh networks, and C/C++ firmware.