Frontend
React
Next.js
Angular
TypeScript
Mobile
React Native
Flutter
Backend
Node.js
Express.js
.NET
Databases
MongoDB
PostgreSQL
MySQL
Cloud & DevOps
Azure
Cloudflare
GitHub Actions
Blockchain
Web3.js
Ethers.js
Tools
GitHub
Jira
Postman
Swagger
About / Me
I Build Modern Web,
5+ Years Full Stack Experience
Web, Mobile & Cloud
20+ Projects Delivered
About Me
Sachin Barsaiyan
Full Stack Developer
BlockChain Developer
5+ Years of Experience
I'm a Full-Stack Software Engineer specializing in designing and building scalable web, mobile, and cloud-native applications. My expertise spans the MERN stack, Next.js, Angular, Flutter, React Native, Node.js, Express.js, and .NET, with practical experience in Microsoft Azure, cloud deployments, managed databases, storage services, and automated CI/CD workflows. I enjoy architecting secure, high-performance systems that prioritize maintainability, scalability, and exceptional user experience. With a B.Tech and an M.Tech in Computer Science from BIT Mesra, I combine industry experience with a strong research and engineering foundation.
50+
Reusable
Components
Built
Components
Built
300k+
Api
Calls
Handled
Calls
Handled
20+
Projects
Delivered
Delivered
Skills
Selected Projects
Retail E-Commerce Platform
Large-scale retail and e-commerce mobile application.
FlutterREST APIsCI/CD
Flutter Developer
Insurance Management Platform
Enterprise insurance and policy management solution.
FlutterAngular.NETREST APIs
Full Stack Developer
AI Learning Platform
AI-powered personalized learning and student assessment system.
Next.jsNode.jsExpressMongoDBOpenAI APITailwindCSS
Full Stack Developer
Immigration & Visa Management Portal
Enterprise platform for visa application and document management.
ReactNode.jsMongoDBJWTREST APIs
Full Stack Developer
Investment & Rewards Platform
Digital platform for investments, rewards, and merchant programs.
Next.jsNode.jsExpressMySQLTailwindCSS
Full Stack Developer
Blockchain Investment Platform
Crypto investment and blockchain-enabled financial application.
Next.jsNode.jsMongoDBExpressReduxWeb3.js
Full Stack Developer
NFT Marketplace
Marketplace for NFT trading and digital asset management.
Next.jsNode.jsMongoDBExpressReduxWeb3.js
Frontend & Blockchain Developer
DAO Governance Platform
Decentralized governance platform with on-chain voting.
Next.jsEthers.jsWeb3.jsSoliditySmart Contracts
Frontend & Blockchain Developer