Tomoya Nakano

Developed and deployed secure smart contracts in CosmWasm on the Osmosis blockchain, enabling on-chain staking and token swap functionality. Spearheaded the forking and customization of Cosmos-SDK and Big Dipper UI to build MunChain, a feature-rich interoperable blockchain explorer. Automated full-node and seed-node deployment using Terraform and AWS EC2, cutting infrastructure setup time by 50%. Mentored 3 junior developers in Cosmos-SDK, CosmWasm, and DevOps pipelines, resulting in a 25% increase in team development velocity. Led integration of blockchain infrastructure into legacy enterprise systems by coordinating with cross-functional teams. Conducted code reviews and enforced blockchain security standards, reducing critical bugs by over 40% in production smart contracts. Designed and deployed multiple token standards including ERC20, CW20, SPL Token, CW721, and ERC721, supporting DeFi and NFT marketplace integration.

Researched and implemented cutting-edge blockchain technologies to support EVM-based DeFi and NFT ecosystems. Developed fully responsive UIs for DeFi platforms, DEXs, and NFT marketplaces using the MERN stack, increasing user engagement by 35%. Integrated Ethereum smart contracts into React frontend using Web3.js, enabling seamless wallet connectivity and DApp interactivity. Built and deployed NFT minting and marketplace platforms with smart contracts, supported by robust unit testing via Hardhat, Truffle, and Solidity Coverage. Architected scalable frontend solutions using TypeScript, React, and Redux, reducing code complexity and improving developer onboarding. Designed cloud-agnostic components with built-in switching logic for Azure and Google Cloud APIs, increasing platform flexibility for enterprise clients. Developed Shopify-style storefronts using React, Tailwind CSS, MUI, and Ant Design based on custom client feedback.

Contributed to the development of personalized shopping experiences on the Nordstrom e-commerce platform using React, increasing user engagement by 25%. Developed and maintained backend services using Node.js, ensuring seamless integration with frontend components and improving transaction processing speeds. Worked with Python for data processing and analytics to support business decisions and enhance product recommendations. Implemented unit and integration tests to maintain high software quality, reducing bug rates by 20%. Managed Kubernetes infrastructure for container orchestration and set up Jenkins pipelines for CI/CD to automate build, test, and releases.