shanshan
Senior Blockchain Engineer
Results-driven Blockchain and Full-Stack Engineer with 7+ years of experience delivering high-impact decentralized applications across Ethereum, Solana, and Cosmos ecosystems. Strong background in smart contract development, DeFi protocols, and cross-chain infrastructure. Proven success at leading Web3 companies like Uniswap and Chainlink, contributing to core products including Uniswap V2, Chainlink Staking v0.2, VRF, and CCIP. Currently a Founding Engineer at Metasalt, leading the development of a next-generation NFT marketplace. Proficient in Solidity, Rust (Solana), Go (Cosmos SDK), React, Node.js, and Python. Experienced in building secure, scalable blockchain systems with a focus on performance, interoperability, and user experience.
Experience: 7 years
Yearly salary: $24,000
Hourly rate: $40
Nationality: 🇨🇳 China
Residency: 🇸🇬 Singapore
Experience
Founding Engineer, Co-Founder
Metasalt 2024 - 2025
Spearhead the architecture, design, and development of an innovative NFT marketplace focused on scalability, security, and user experience. Lead smart contract development using Solidity, ensuring robust minting, transfer, auction, and royalty functionalities aligned with ERC-721 and ERC-1155 standards. Build front-end interfaces with React, integrating real-time blockchain data and responsive design principles to support diverse user interactions. Develop scalable backend APIs and services in Node.js and Python to handle metadata storage, user authentication, transaction processing, and off-chain computations. Collaborate with product, design, and security teams to ensure compliance with best practices in DeFi and NFT ecosystems. Implement gas optimization strategies and upgradeable contract patterns to reduce user costs and facilitate future enhancements.
Senior Smart Contract Engineer
Chainlink 2020 - 2023
Developed and maintained critical components of Chainlink’s decentralized oracle infrastructure, including Chainlink Staking v0.2, contributing to network security by incentivizing honest participation. Engineered smart contracts for Chainlink Data Streams, enabling real-time, reliable off-chain data aggregation and delivery to decentralized applications. Built and enhanced Chainlink VRF (Verifiable Random Function) contracts, providing secure and provably fair randomness to blockchain applications like gaming and NFTs. Contributed to the design and prototyping of the Cross-Chain Interoperability Protocol (CCIP), facilitating secure messaging and token transfers across heterogeneous blockchain networks. Worked extensively with Solidity, Hardhat, and Foundry for development, testing, and deployment of high-stakes smart contracts. Actively participated in the Chainlink developer community to provide technical guidance and support.
Senior Blockchain & Full Stack Developer
Uniswap 2018 - 2020
Developed Uniswap V2 DEX and governance protocols. Built and optimized smart contracts and integrated front-end systems. Ensured seamless interaction between smart contracts and web interfaces.
Skills
cosmos
golang
machine-learning
python
solana
english
chinese-mandarin