ultra0x
Senior Blockchain Engineer with strong experience in blockchain development and Web3 front-end applications. Experienced across EVM-compatible blockchains and Layer 2 networks. Proficient in Solidity, Hardhat, Foundry, TypeScript, React.js, Next.js, Ethers.js, and Wagmi.
Skilled in blockchain architecture and protocol design, with a focus on building secure and scalable decentralized systems. Recently exploring cross-chain messaging protocols and the Hyperliquid ecosystem.
Experience: 5 years
Yearly salary: $84,000
Hourly rate: $45
Nationality: 🇺🇸 United States
Residency: 🇺🇸 United States
Experience
Technical Lead
Lit Trade 2025 - 2025
lit.trade aims to enhance the trading experience for tokens and perpetuals by providing seamless onboarding and leveraging a decentralized Hyperliquid backend. - Integrated the Hyperliquid API across both backend and frontend systems. - Implemented HIP-3 to enable customized perpetual market integration.
Blockchain engineer
ALEX Finance 2024 - 2024
ALEX is a next generation DeFi on Bitcoin via Stacks. As a blockchain engineer, I contributed on - Smart contract development for a Token Launchpad and an order book–based decentralized exchange (DEX) using the Clarity language.
Smart contract engineer
BLKSWN Studio 2023 - 2024
BLKSWN Studio is a leading crypto firm within the DeFiChain ecosystem, focused on building stablecoin and lending market infrastructure. - Developing the jUSD stablecoin, backed by jStock tokens, based on a fork of the Liquity protocol. - Implementing Web3 integration on the frontend using Next.js and Wagmi, and contributing to the development of a liquidation bot.
Full stack engineer
Vesper Finance 2022 - 2023
Vesper provides a range of interest-bearing Grow Pools that allow users to passively grow their crypto holdings by selecting their preferred strategy risk level and digital asset. - Developing smart contracts for the Fixed APR Pool (VFR). - Implementing Web3 integration on the frontend using React and Wagmi.
Smart contract engineer
Yeti Finance 2021 - 2022
Yeti Finance is a decentralized borrowing protocol on Avalanche, enabling users to borrow up to 11× against LP tokens, staked assets like Liquid AVAX, base assets like WETH, and over 20× on yield-bearing stablecoins. - Designing the protocol and developing smart contracts for Borrow & Stability Pools and Oracle systems using Solidity. - Writing unit tests for smart contracts using Hardhat and TypeScript. - Collaborating with auditing firms Three Sigma Labs and Code4rena to ensure security and reliability.
Full stack engineer
Cross-Chain-Bridge 2020 - 2021
Cross-Chain Bridge is a liquidity-pool-based, security-focused bridge designed to connect multiple blockchains, with the goal of eventually linking all major chains. - Designing the core protocol and developing smart contracts for the MVP version. - Extending the protocol to support NFTs of ERC-721 and ERC-1155 standards. - Building backend systems to monitor events emitted from bridge contracts.
Skills
solidity
english