Designed and shipped RESTful APIs and WebSocket services using FastAPI and Python, serving as the core backend layer for a SaaS platform handling real-time data workflows.
Built and maintained microservice architecture with Docker, improving deployment reliability and reducing environment-related bugs across dev and production environments.
Wrote unit tests for critical API endpoints, contributing to a test coverage baseline that reduced regression issues during feature rollouts.

Conducted vulnerability assessments and penetration testing exercises on simulated network environments, identifying and documenting security gaps.
Studied and applied firewall configurations and network security fundamentals in a hands-on lab setting, earning Cisco's Networking Basics and Introduction to Cybersecurity certifications during this period.
Developed security awareness documentation as part of an internal awareness initiative, applying ethical hacking concepts from EC-Council training.