At Nostalgia Studios, I refactored SQL and NoSQL schemas, optimized query execution, and added Redis caching, reducing query latency by 50% and cloud server expenses by 30%. I also designed centralized IAM using OAuth 2.0, OpenID Connect, and RBAC.
I developed asynchronous automation pipelines with Python AsyncIO and Node.js that reduced manual processing overhead by 60%. I also built local media-processing tools combining computer vision, speech recognition, and FFmpeg.
At CyberMax, I worked on high-concurrency, event-driven systems and security audits, discovering and patching more than 100 critical security flaws. I also developed Python regression-testing tools that reduced release-blocking defects by 35%.
Across my work as a Full-Stack & Cross-Platform Engineer at Gia-Tech and a freelance engineer, I built web, mobile, and desktop applications, APIs, and Linux-hosted client systems. My projects include Vanguard, a zero-trust access gateway, and PulseSync, a distributed event bus.

