Daniil S.

Senior React Native Engineer with 5+ years of experience building high-performance, secure, and scalable mobile applications for iOS & Android. I specialize in cross-platform development using React Native, Expo, TypeScript, and Firebase, along with hands-on experience in Native Java & Swift when deep device integration is required. 🚀 What I Bring to Your Project: * FinTech & High-Security Systems: Engineered security architectures, passkey integrations, and secure authentication flows for corporate mobile banking applications. *Web3 & Game-Fi Ecosystems: Built complex Social-Fi/Game-Fi apps (like IguVerse) with AI-enhanced NFT integrations, crypto wallet connections, and Move-to-Earn/Play-to-Earn mechanics. * Location & Hardware Services: Experienced in Google Maps/Mapbox integrations, real-time GPS tracking (scooter-sharing services), and advanced camera API integrations. * Real-time Features & Chat: Expertise in building Tinder-style swipe interfaces, real-time messaging, and push notification systems powered by Firebase. * Modern Development Workflow: I actively leverage AI tools in my daily development to write clean code faster, optimize performance, and accelerate delivery time 🛠 Tech Stack Core: React Native, Expo, Expo Router, JavaScript (ES6+), TypeScript State & Data Management: Redux, Redux Toolkit, React Query, Context API Navigation & UI: React Navigation, Custom Animations, Clean UI/UX Design SDKs & APIs: Google Maps, Mapbox, Expo Camera, Passkeys, Web3/dApp APIs Backend & Cloud: Firebase (Auth, Firestore, Storage, Cloud Messaging) Native Development: Java, Swift CI/CD & Tools: GitHub Actions, App Store & Google Play deployment 💬 Looking to bring your mobile app idea to life or upgrade your existing project? Let’s discuss your requirements and build something great together. Click "Invite to Job" or drop me a message!