Vitalii — Web Development freelancer in Krakow

🚀 Top Rated Plus | React \u002F Full-Stack Developer | 10+ Years Experience ⚡ AI-Accelerated Development with Claude Code & Cursor (Faster Delivery, Smarter Workflows) ✔ Upwork Skill Certification – React Front-End Development ✔ Top Rated Plus (Top 3% of freelancers) ✔ 100% Job Success Score I help businesses build scalable, high-quality web and mobile applications — from idea to production. With 10+ years of experience and a strong background as a Team Lead, I specialize in delivering reliable solutions, leading small teams, and ensuring projects are completed on time and to the highest standards. 💡 What I Can Do for You Build modern web apps (React, Next.js) Develop mobile apps (React Native, Ionic) Design and integrate APIs (REST \u002F GraphQL) Lead development teams and manage delivery Improve performance and code quality Take your product from idea → MVP → production 🧠 Tech Stack 🎨 Frontend React, Next.js, Angular (2+), Ionic HTML5, CSS3, Sass, Tailwind CSS, Ant Design 📱 Mobile React Native ⚙️ Backend Node.js, PHP, Python, Nuxt.js 🗄️ Databases MongoDB, MySQL 🧩 State Management & Architecture Redux, RxJS, NgRx 🔌 API & Data Layer REST API, GraphQL, Apollo Client ☁️ Cloud & DevOps Firebase (Cloud Functions, Realtime DB) CI\u002FCD (Bitrise, AppCenter) 🛒 E-commerce & Integrations Shopify (themes & apps) Stripe, PayPal, Mollie, Przelewy24 Amazon, eBay, Etsy 🧪 Tools & UI Storybook 🎯 Why Clients Work With Me Clear communication & fast response Strong ownership of the project Clean, maintainable code Focus on long-term results, not quick fixes 📩 Let’s Work Together Send me a message and let’s discuss your project. I’ll help you find the best solution quickly and efficiently.