hendobox
Senior Solidity Engineer | Smart Contracts | Security | De Fi/Nft | Web3
Seasoned Smart Contract Engineer with 6+ years of blockchain development experience. Proven track record in DeFi protocol design, NFT marketplaces, DAOs, and RWA tokenization, with deep expertise in security audits, gas optimization, and cross-chain deployments. Passionate about building secure, efficient, and scalable Web3 solutions that drive real-world adoption. Recognized industry contributor with leadership in both startup and enterprise blockchain projects.
Experience: 6 years
Yearly salary: $104,000
Hourly rate: $65
Nationality: 🇳🇬 Nigeria
Residency: 🇳🇬 Nigeria
Experience
Senior Smart Contract Engineer
Savvy DeFi 2024 - 2024
Built non-liquidating, auto-repaying loan protocol (0% interest). Managed multi-chain deployment of upgradeable contracts. Automated debt settlement strategies, improving capital efficiency for users.
Principal Blockchain Engineer
Sliver 2023 - 2024
Developed gasless investment dApp using off-chain signatures (EIP-712, EIP-2612). Integrated multiple DeFi protocols for one-click diversified investing. Reduced user transaction costs by ~30% via gasless transactions.
Lead Smart Contract Engineer
Despace 2023 - 2024
Built DEX, liquidity farms, migrator, governance, and NFT marketplace contracts. Spearheaded multiple blockchain ecosystems, ensuring security and scalability.
Head of Software Engineering Division
Smarkt Technology 2022 - 2025
Led development of DeFi protocols (staking, DEX, vesting, auction, RWA marketplaces), handling millions in transaction value. Conducted security audits and code reviews, ensuring zero exploits post-deployment. Integrated DeFi with NFTs to enhance liquidity and real-world asset use cases. Mentored engineers and set technical best practices across the Web3 development team.
Co-founder & CTO
Lead Wallet 2019 - 2022
Co-founded a multi-functional crypto wallet with seamless transfers, swaps, and multi-chain support. Designed and integrated smart contracts to power scalable cross-asset transactions.
Skills
blockchain-engineer
decentralize
hardhat
javascript
nft
node
openzeppelin
rust
solana
trader
truffle
typescript
solidity
english
igbo