Denys V.

I am a Senior Full-Stack / Frontend Developer with 12+ years of experience, holding a Master’s degree in Computer Science and a Bachelor’s in Management. This unique background allows me to easily bridge the gap between technical execution and real business requirements. I deliver high-performance, responsive web applications and robust backend solutions. I also leverage modern AI tools like Claude to speed up delivery and maintain top code quality. Core Expertise: Frontend Frameworks: Angular (Standalone Components, Signals, RxJS, NgRx), React / Next.js, Vue.js (Composition API, Pinia), TypeScript Backend & Databases: ASP.NET Core Web API, C#, MS SQL Server, PostgreSQL, REST APIs, GraphQL State Management & Data Fetching: NgRx, Redux Toolkit, TanStack Query (React Query), Zustand, Pinia Styling & UI: Tailwind CSS, Shadcn UI, Bootstrap, Vuetify, Element Plus, SASS Build Tools & Workflow: Vite, Webpack, Vitest, Cypress, Figma Whether you need a full-scale web application built from scratch, a secure Web API, a migration to a modern stack, or complex performance optimization, I am ready to help you hit your goals efficiently.