Yuvraj Singh
Full Stack Developer (Node.js • TypeScript • React • NestJS • PostgreSQL • Redis • AWS • Docker) | Web3 & Smart Contracts
- Role
- Senior Fullstack Developer at Arcane Labs
- Location
- Indore, MP, IN
- LinkedIn followers
- 500 followers
About Yuvraj Singh
I’m a Full Stack Engineer with 5+ years of experience building scalable, secure, and…
Experience
Senior Fullstack Developer
Feb 2024 — Present
Engineered scalable microservices with Node.js & TypeScript, leveraging TypeORM (PostgreSQL) and Mongoose (MongoDB) to ensure data integrity, ACID compliance, and reliability across distributed systems. Developed modern web applications using ReactJS & Redux Toolkit, enhancing UX with React Query for data synchronization and Styled-Components/Emotion for modular, maintainable styling. Designed and secured smart contracts in Solidity for Ethereum and Polygon, applying Proxy patterns for upgradeability and following OpenZeppelin standards for tokens, NFTs, and marketplace protocols. Optimized relational database performance by modeling normalized PostgreSQL schemas, implementing advanced indexing and analyzing query execution plans to support high-volume transactions. Built resilient backend services with Python (Flask), integrating external APIs and enabling asynchronous processing through message queues, improving fault tolerance and scalability. Implemented Web3 features with ethers.js, enabling direct RPC interactions, wallet-based authentication, and secure on-chain transaction signing. Improved development workflows by managing repositories with GitHub & GitFlow, ensuring seamless collaboration, structured versioning, and smooth CI/CD integration. Contributed to Agile delivery through sprint planning, retrospectives, and backlog refinement, driving consistent feature releases and team-wide efficiency improvements.
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