Based in India · Full-time @ Petition.io

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About

Blockchain developer building end-to-end Web3 products — from Solidity contracts to the dApps people actually use. I’m currently a full-time Blockchain Developer at Petition.io (ZK Systems), where I build decentralized KYC using zero-knowledge proofs — verifying identity without exposing user data. I work with Privado and Polygon ID for verifiable credentials, design attestation-based identity architecture, and build aggregation logic for multi-source attestations with a smoother ZK onboarding UX. Before Petition.io I shipped Ethereum dApps at PitchMatter Ventures with Solidity and Hardhat — contract optimization, testing, and Wagmi/Viem integrations into React frontends. My focus is systems that combine smart contracts, DeFi mechanics, privacy, and real interfaces. I care about clean repos, gas-conscious contracts, and on-chain products that solve practical problems.

Experience

Where I've been building

Petition.io

Intern → Full-time (Jun 2026)

Blockchain Developer (ZK Systems)

Apr 2026 – Present

  • Built a decentralized KYC system using zero-knowledge proofs — verifying identity without exposing user data.
  • Integrated Privado and Polygon ID for verifiable credentials and privacy-preserving authentication.
  • Designed attestation-based identity architecture with secure wallet interactions.
  • Developed aggregation logic for multi-source attestations and improved ZK onboarding UX.
ZK ProofsPolygon IDPrivadoIdentityWeb3

PitchMatter Ventures LLC

Internship

Blockchain Developer Intern

Jan 2026 – Apr 2026

  • Developed Ethereum dApps with Solidity and Hardhat, focusing on contract optimization and testing.
  • Integrated smart contracts into React frontends using Wagmi and Web3 libraries.
  • Improved contract security through debugging, testing, and best practices.
  • Contributed to architecture discussions, sprint planning, and code reviews.
EthereumSolidityHardhatEVMTestnets

Selected Work

Projects

Blaze NFT Marketplace preview

Blaze NFT Marketplace

Full-stack marketplace with custom ERC-721 contracts, IPFS pinning, and live mint dashboard.

Ethereum
Visit
Retro Arcade Rewards preview

Retro Arcade Rewards

On-chain retro game with NFT minting, wallet connect, and capped token-claim system that enforces per-player limits.

Ethereum
Visit
CreditFlow preview

CreditFlow

Web3 liquidity protocol enabling SMEs to tokenize pending invoices as NFTs for instant cash advances. Features an on-chain reputation system, global USDC liquidity pools, and deployed on Creditcoin Testnet.

Creditcoin Testnet
Visit

Achievements

Proof of work

#0

ZK Private Voting dApp Hackathon (Scroll)

out of 4,800+ participants

Top 0

Superteam India Earn Cohort

selected builders

#0

Fall 2024 Hackathon

out of 900+ teams

Top 0%

CryptoZombies — global rank

2,100+ points

Skills

Smart Contracts

  • Solidity
  • Hardhat
  • Foundry
  • OpenZeppelin
  • Gas Optimization
  • Rust (Basic)

Zero-Knowledge & Identity

  • ZK Proofs
  • Polygon ID
  • Privado
  • Verifiable Credentials

Web3 & Frontend

  • Wagmi
  • Viem
  • Ethers.js
  • Web3.js
  • React
  • Next.js
  • Tailwind CSS

Chains & Infra

  • Ethereum
  • EVM
  • Sepolia
  • Creditcoin
  • MetaMask
  • Alchemy

Contact

Let’s ship something on-chain

Reach out for freelance builds, junior roles, or smart-contract collaborations. Fast replies, clean repos.

status: ready → awaiting transaction

© 2026 Mohak Pawar. Building trustless systems.