Over 20 years of engineering experience (including 7 years at Playtika). Specializing in stabilizing and scaling high-concurrency systems generating $1.5M-$2M in daily revenue.

• Languages & Frameworks: .NET/C# (15+ years), Unity Engine (7 years), TypeScript (5 years), Node.js (3 years), React (3 years), Capacitor (3 years)
• Platforms: High-load cross-platform systems across Web and Mobile
• Approach: Language-agnostic, choosing the right tool to refactor legacy systems into modern, scalable assets

AI is an instrument for specific task automation, not a replacement for engineering ownership. AI provides the speed, but I provide the standard. I treat every commit as a personal guarantee, ensuring that even when using AI, the final logic is audited and production-ready.

Seeking Lead or Staff Engineering roles to solve complex technical challenges and drive efficiency through modern AI-assisted engineering.

https://github.com/Nearga/Nearga/blob/main/VITALII_VASYLENKO_2026-05-11.pdf