pic4roloco
Blockchain Protocol & Security Engineer
Blockchain Protocol & Security Engineer focused on EVM systems, smart contract security, DeFi infrastructure, MEV research, and zero-knowledge applications. Currently building Solidity protocol logic, backend infrastructure, and security-oriented tooling for production Web3 systems. Uses Hardhat and Foundry for test-driven smart contract development, with experience in fuzzing, upgradeable proxy patterns, access control, applied cryptography, and formal verification.
Experience: 3 years
Yearly salary: $70,000
Hourly rate: $0
Nationality: 🌏 Remote
Experience
Blockchain Engineer
Alastria 2025 - 2026
Worked on blockchain, digital identity, and compliance-oriented infrastructure. Contributed to W3C-aligned flows, cryptographic integrations using secp256r1, and EIP-2535 Diamond Pattern architecture. Supported analysis and documentation around cryptography, standards, and regulatory/compliance requirements.
Blockchain Engineer
Koryntia 2025 - 2025
Owned the integration between a Next.js frontend and EVM smart contracts for a decentralized lending protocol on an EVM-compatible network. Designed and implemented Hardhat deployment scripts and contract interaction flows. Connected frontend, smart contracts, and MongoDB to store off-chain user interaction data and protocol metadata. Integrated upgradeable proxies, role-based permissions, and secure logic separation.
Blockchain Engineer
RentOnchain 2023 - 2024
Worked on an RWA tokenization platform combining property rentals, timesharing, and raffles. Developed Solidity contracts for ERC20 payments, ERC721 NFTs, and Chainlink VRF raffles using logic/storage separation and centralized role management. Achieved full smart contract test coverage with Hardhat, including unit tests and edge-case validations. Contributed to the Next.js frontend with wallet integrations, MUI components, i18n, GitHub PR workflows, and CI/CD.
Skills
cryptography
linux
nextjs
openzeppelin
security
solidity
english
spanish