Building scalable blockchain and backend systems for startups, crypto teams, and Web3 products.
Services:
• Smart contracts (ERC20 / ERC721 / ERC1155)
• DEX & staking systems
• Escrow & P2P payment infrastructure
• Trading dashboards & APIs
• AI-powered backend automation
• Casino / betting backend systems
• SaaS backend architecture
• Multi-chain integrations
Stack:
Node.js • NestJS • React • Next.js • Solidity • PostgreSQL • Redis • Docker • AWS
Blockchain:
Ethereum • Polygon • Arbitrum • Base • BSC
Recent Projects:
• USDT escrow payment platform
• ERC20 token swap system
• NFT marketplace infrastructure
• P2P crypto exchange
• AI-powered automation dashboards
Focus:
✔ Clean architecture
✔ Production-ready backend systems
✔ Smart contract security
✔ Scalable infrastructure
✔ Long-term maintainability
GitHub:
https://github.com/dhirajlochibUpwork:
https://www.upwork.com/freelancers/dhirajlochib
