Node.js

I have experience delivering a variety of projects — from hybrid to fully native mobile applications.️ I work with multiple frameworks and languages including React Native, Flutter, Swift, and Kotlin, and I also cover backend needs using Node.js, Python, C#, and Java. I take on both full-cycle development — from idea to App Store / Google Play launch — and smaller projects or specific parts of the work.

…(Frontend + Backend)Blockchain / Web3 (smart contracts, dApps, integrations)Mobile app development (React Native / Expo)Bot development (Telegram, Discord, API integrations)Skills:Frontend:HTML5, CSS3, JavaScript/TypeScript, React, Next.js, Tailwind, ReduxBackend:Node.js, Express, Nest.js, PHP, Laravel, REST API, WebSockets, OAuth, JWTBlockchain / Web3:Solidity, Hardhat, Web3.js / Ethers.js,…

| Flutter • Node .js I specialize in high-performance iOS/Android applications and creating scalable websites and platforms for businesses. Key achievements: - Launched of multiple mobile applications from zero architecture to store placement - Flagship project: independently created a complex passenger transportation application with real-time tracking. ⚙️ My stack: React Native, Flutter, React, Next.js, Node…

and mobile design Blockchain development DevOps Technology Stack: • JS Technologies: React.js, React Native, React Hooks, Node .js, Redux, React Native, jQuery, Ext JS , Material-UI, SPA, Flutter. • AWS: Amazon Lambda, Amazon Connect, Amazon S3. • Databases: MySQL, PostgreSQL, Firebase, Mongodb, Sphinx, Redis, Dynamo, RabbitMQ, Kafka. • Page creation: HTML, CSS, LESS, SASS, Bootstrap, AJAX, JS…

lies in developing custom websites, mobile applications, SaaS solutions, and E-commerce projects: ✔️ JavaScript technologies: React.js, React Hooks, Node .js, Redux, React Native, jQuery, Ext JS , Material UI, SPA, Strapi, Gatsby.✔️ API - RESTful, AWS integration and development✔️ Databases: MySQL, PostgreSQL, Firebase, Sphinx, MongoDB, Redis✔️ Page creation: HTML, CSS, LESS, SASS, Bootstrap, AJAX, JS…

I am a Full-Stack Developer with experience in building web and mobile applications, CRM systems, SaaS platforms, and business solutions. My primary technology stack includes React, React Native, Expo, Next.js, TypeScript, Node .js,…

Hi, I'm Serhii - an orchestra man who will cover all your digital needs: from brand strategy and design to code, cloud, automation, and marketing funnels. I launch turnkey products that look great, work steadily, and grow faster than you can update your dashboard . What exactly do I do Development and architecture Flutter / React / Next.js, Node .js…

Skills & Abilities HTML, CSS, SCSS, JavaScript, TypeScript, Webpack, Node .js,…