👋 Hi, I'm Roshan Khan

Full-Stack Blockchain Developer | Building Production-Grade Web3 Infrastructure & On-Chain Systems

I specialize in building secure, scalable dApps and protocol-level integrations. From Solidity smart contracts to high-performance data dashboards, I focus on shipping code that solves real-world problems in the decentralized ecosystem.

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🧠 Expertise & Focus

• Smart Contracts: Solidity, EVM-based development, OpenZeppelin.
• Web3 Orchestration: ethers.js, wagmi, viem, RainbowKit.
• Full-Stack: React, Next.js, Node.js, GraphQL, Tailwind CSS.
• Advanced Research: MEV-aware design, Uniswap v4 Hooks, FHE (Fully Homomorphic Encryption).

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🏗️ Professional Experience

Frontend Developer Intern | Quartic.ai Remote, India

• Architecting production dashboards for enterprise-scale data visualization.
• Optimizing UI performance and maintaining high-quality standards in a PR-driven workflow.

Uniswap Hook Incubator | Cohort 6 Graduate

• Developed ShadowBrain: A Uniswap v4 hook for automated on-chain function execution.
• Implemented Dutch auction logic and utilized Fhenix FHE to encrypt parameters, effectively mitigating MEV and frontrunning risks.

Dev3Pack Fellow

• Selected for a premier fellowship backed by Coinbase, Base, EigenLayer, and ETHGlobal.
• Conducted deep protocol research and rapid dApp prototyping within the Farcaster ecosystem.

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🚀 Featured Projects

🥑 AVACADO – Privacy-Preserving Wallet

• Built a wallet utilizing encrypted ERC tokens to mask transaction amounts.
• Enabled confidential transfers while maintaining auditability and DeFi composability.

⚖️ Clairo – On-chain Dispute Resolution

• Decentralized escrow system featuring validator-based dispute resolution.
• Engineered slashing, staking, and voting logic directly in Solidity.

🧙‍♂️ Wizard’s Gambit – Web3 PvP Game

• Developed a custom ERC20/721/1155 ecosystem with real-time multiplayer betting.
• Integrated Chainlink VRF for provably fair gameplay mechanics.

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🛠️ Tech Stack

Category	Tools & Languages
Languages	Solidity, TypeScript, JavaScript, Python, SQL
Frontend	React, Next.js, Tailwind CSS, PatternFly
Backend	Node.js, GraphQL, Django, MongoDB
Web3/Tooling	Hardhat, Foundry, ethers.js, viem, wagmi, Chainlink
DevOps/Other	Git, IPFS, Postman, Docker

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🏆 Hackathons & Recognition

• 3rd Place – ETHGlobal (1inch Limit Order Protocol)
• 2nd Place – AVAX Team Pitch Day India
• 1st Place – Avalanche Hack Kolkata
• Winner – Binary Web3 Track (Wizard’s Gambit)

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🔗 Let's Connect