6191

Designed and implemented a secure and scalable zk-based bridge to enable asset and data interoperability between Ethereum and Polygon networks. Developed and deployed smart contracts to handle token locking, event emission, and state proof generation on Ethereum. Developed Solidity-based smart contracts to manage asset minting and state validation, ensuring seamless interaction with zk-proofs on polygon. Deployed a zkSNARK verifier contract on Ethereum using zkSync to validate zk-proofs efficiently. Leveraged Circom to design and compile zk-circuits for secure proof generation. Built a high-performance relayer in Go to monitor and relay events between Ethereum and Polygon. Integrated JSON RPC APIs and Polygon SDK to fetch events, generate zk-proofs, and submit them to the zkSync verifier contract on Ethereum. Applied best practices in cryptographic proof generation to ensure secure and trustless validation across chains. Reduced gas costs by implementing recursive proof aggregation using zkSNARKs for batch verification. Skilled in creating smart contracts to manage asset-backed tokens, ensure legal compliance, and automate rental income distribution. Experienced in integrating KYC/AML processes, digital identity verification, and custodial services for compliance with regulatory frameworks. Collaborated with real estate firms to transform traditional asset management models into tokenized ecosystems, ensuring seamless adoption. Developed user-friendly platforms to allow investors to trade fractionalized tokens, providing accessibility to real estate markets. Set up monitoring tools for relayer health and contract performance using Prometheus and Grafana. Resolved issues related to event syncing, zk-proof latency, and inter-chain state discrepancies.

Conducted in-depth audits of Solidity smart contracts for DeFi, NFT, and blockchain projects to identify security vulnerabilities, ensuring compliance with best practices. Reviewed and optimized contract logic for gas efficiency, ensuring contracts were cost-effective and scalable. Assessed contract designs against common attack vectors such as reenterancy, flash loan attacks, front-running, and oracle manipulation to mitigate risks. Delivered comprehensive audit reports outlining vulnerabilities, severity levels, and remediations, ensuring transparency and understanding for clients. Collaborated on the frontend development of the platform, focusing on user-centric design and blockchain functionality. Designed and implemented a secure, decentralized non-custodial wallet, enabling users to store, send, and receive cryptocurrencies without relying on third-party custody. Built and implemented a Bitcoin payment system for a SaaS platform, enabling seamless cryptocurrency transactions. Architected tokenomics for the companys native token to align with business objectives. Developed and deployed secure and optimized smart contracts using Solidity, adhering to best practices for gas efficiency and security. Connected Ethereum-based smart contracts to a React.js frontend using Web3.js, enabling users to interact with blockchain features via a user-friendly interface. Developed a decentralized governance system for managing company proposals, enabling token-based voting and on-chain decision-making.

Developed using React JS, enhancing web app accessibility by 99% through the implementation of accessibility(a11y) features. Improved app performance by 23% via optimized component lifecycle management, ensuring UI/UX designs met accessibility standards in collaboration with design and QA teams.