Javier Mendonça

Smart Contract Engineer

📍 Lisbon, Portugal

🟢Aping In

Smart contract engineer and security auditor building at the intersection of blockchain and AI. Led smart contract teams at MANTRA and Migaloo Foundation, shipping cross-chain DEXs and DeFi protocols across 15+ chains. Former Android engineer at Spotify.

Work Preferences

Salary

USD 180,000 – 250,000

Skills

Rust10/10

Smart Contract Development10/10

Anchor10/10

Smart Contract Auditing10/10

Fuzzing10/10

Security Auditing (10/10)Python (8/10)ERC-20 (8/10)JavaScript (8/10)TypeScript (8/10)Truffle (6/10)Go (6/10)Foundry (5/10)Ethers.js (5/10)Solidity (5/10)Web3.js (5/10)Viem (5/10)Move (5/10)OpenZeppelin (5/10)Hardhat (5/10)