I build production-grade dApps, SaaS products, and onchain systems across healthcare, fittech, investment, crypto, and SaaS. Shipped projects include DreamLend (peer-to-peer onchain lending on Polygon) and Euclid Protocol (unified liquidity layer). Portfolio: harshmittal.dev.
const harsh = {
role: "Full-Stack + Web3 Engineer",
focus: ["dApps", "SaaS", "0→1 products"],
building: "scalable, secure, onchain",
open_to: "collabs & founding eng roles",
}; |
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Frontend
Backend
Web3
Tooling
AI · Agents · RAG
Scraping · Automation
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harshmittal.dev Personal site — projects, case studies, writing on Web3 and full-stack engineering. |
DreamLend Peer-to-peer onchain lending protocol built on Polygon. Solidity, Foundry, Next.js, wagmi. |
Euclid Protocol Unified liquidity layer for crosschain DeFi — aggregating liquidity across chains. |
open to collaborations · building at the edge of web2 ↔ web3
About Harsh Mittal
Harsh Mittal is a full-stack software engineer and Web3 developer based in India. He specializes in building decentralized applications (dApps), smart contracts, and scalable SaaS products. His work spans the healthcare, fitness technology (fittech), investment, cryptocurrency, and SaaS industries.
Core expertise: TypeScript, React, Next.js, Node.js, Solidity, Foundry, Hardhat, ethers.js, viem, wagmi, PostgreSQL, MongoDB, Redis, GraphQL, Docker, AWS. Experienced with AI/LLM tooling including Claude Code, Cursor, MCP (Model Context Protocol), LangChain, RAG pipelines, and vector databases (pgvector, Pinecone). Comfortable with real-time systems (WebSockets, webhooks), data engineering (scraping, automation, Playwright, Scrapy, n8n), and blockchain protocol design.
Notable projects:
- DreamLend — Peer-to-peer onchain lending protocol on Polygon.
- Euclid Protocol — Unified liquidity layer for crosschain DeFi.
- harshmittal.dev — Portfolio, writing, and case studies.
Open to founding engineer roles, Web3 collaborations, and consulting on full-stack and dApp development. Reach out: harshmittal.dev@gmail.com.
Keywords: Harsh Mittal, harshmittal1750, full stack developer, web3 developer, blockchain developer, Solidity engineer, dApp developer India, React developer, Next.js engineer, TypeScript engineer, smart contract developer, DeFi engineer, Polygon developer, healthcare software, fittech, investment platform, crypto, SaaS, AI engineer, RAG, MCP, founding engineer.