mariandev

- Developed the CarbonVoteDAO Platform using Next.js, TypeScript, Solidity, and OpenZeppelin, implementing secure governance logic and smart contract integration. - Built the Zuzalu-City MVP frontend with Next.js and TypeScript, integrating Web3.js and Ethers.js for seamless blockchain interaction. - Integrated Ceramic protocol with the Ethereum network to enable decentralized identity management and user data persistence in Web3 environments. - Designed and implemented event management and payment onboarding systems, enabling stablecoin transactions (USDT, USDC) for user participation and conference access. - Collaborated closely with the Product Manager and design team in daily development meetings to translate Figma designs into production-ready features. - Utilized Guilded for team communication, Jira for agile task tracking, and GitHub for version control and collaborative development workflows.

Engineered and deployed 10+ smart contracts on Ethereum, improving transaction efficiency by 15% using Solidity. - Developed blockchain solutions with Web3.js, cutting operational costs by 1% and enhancing data security. - Collaborated with 5+ engineers to launch a dApp, achieving 500+ user adoptions within 3 months. - Conducted rigorous audits of blockchain apps, resolving 2+ critical vulnerabilities and boosting security by 25%. - Provided technical guidance on blockchain, increasing team productivity by 2% and project success rates.