Solidity Developer

Was responsible for a team of 3 and lead the development of multiple blockchain projects. Participated in the design and development of custom modules of BlockX economic system using Cosmos SDK(Golang) and Tendermint. Developed a Defi/Dex platform using Solidity, Cosmwasm(Rust) and core Defi protocols like Uniswap, Aave protocol. Participated in developing gas-efficient cross-chain NFT marketplace using ERC-20, ERC-721, ONFT721(A) token standards on Ethereum and LayerZero protocol. Developed smart contracts on Solana. Took part in developing Account Abstraction wallet using ERC-4337 standard and Biconomy SDK. Leveraged bridge chains to allows users bridge tokens between multiple networks. Participated in developing a SSI Wallet using Zero Knowledge proofs(zkSnark) and snark.js library. Developed frontend pages for the website using React.js(Next.js), Web3.js, Ethers.js and Hardhat framework. Wrote secure unit and fuzzing testing cases using Chai, Hardhat and Echidna. Implemented a security-focused code review process, reducing the risk of security vulnerabilities and ensuring compliance with security standards. Interacted with other team members and CTO in the daily meeting for new features in the products using Agile software development methodology. Mentored junior developers.

Designed, developed and rebuilt 10+ structured and scalable websites for Fintech, Healthcare, Saas Platforms utilizing React.js and brought remarkable growth in each project. Wrote crypto payment gateway system using React.js and Node.js. Used Django(python) framework for building backend of an ecommerce platform. Used MySQL and MongoDB for database system. Worked closely with UI/UX designers creating responsive and pixel perfect designs, ensuring optimal user experience. Developed Unit, Integration and E2E testing cases using Cypress, Jasmine and Jest ensuring 99% code coverage. Used Docker and Kubernetes for Containerization. Utilized AWS Lambda, API Gateway, and AWS Cloud Formation to create a cloud-native architecture.

Participated in development of an Ethereum based Game NFT marketplace project using a range of technologies including Solidity, Web3.js, Ethers.js and Hardhat. Effectively utilized IPFS to securely store and distribute immutable data across the network, ensuring the reliability and integrity of the decentralized applications. Developed and upheld a widely adopted implementation of the ERC-20, ERC-721, and ERC-1155 token standards. Implemented best industrial practices in gas optimization, resulting in significant cost savings. Fixed out possible security vulnerabilities of the NFT smart contracts.