Mario Valero
Smart Contract Developer at Malda
Prague, Czechia
Summary
👤
Senior🎓
Top SchoolMario Valero is a Smart Contract Developer based in Prague with eight years of engineering experience specializing in Solidity and DeFi protocol integration. He has led global development teams and built secure, production-grade smart contracts and adapters across multiple L2s for high-AUM firms, contributing to products used by IndexCoop and audited in partnership with Halborn. Mario combines deep cryptography and blockchain-design knowledge with practical defenses against flashloan and sandwich attacks, and has implemented CI/CD, unit/integration testing, and oracle-based protections in live systems. His background in electronic engineering, robotics and competitive chess coaching underpins a methodical, mathematically rigorous approach to protocol design and token economics. He has a track record of turning complex financial requirements into auditable smart-contract logic and helped raise capital while designing non-interactive token distribution mechanisms. Colleagues know him for precise time-management, strong cross-team communication, and a habit of blending academic rigor with hands-on solidity craftsmanship.
8 years of coding experience
4 years of employment as a software developer
BTA Certified Blockchain Developer - Hyperledger Fabric (CBDH), Hyperledger Fabric/Composer, BTA Certified Blockchain Developer - Hyperledger Fabric (CBDH), Hyperledger Fabric/Composer at Blockchain Training AllianceBlockchain Developer Nanodegree, Blockchain, Blockchain Developer Nanodegree, Blockchain at UdacityESTALMAT program, Mathematics and IT, ESTALMAT program, Mathematics and IT at Andalusian Society for Mathematical Education Thales (SAEM Thales)Degree in Electronic Engineering, Robotics and Mechatronics, Robotics, Degree in Electronic Engineering, Robotics and Mechatronics, Robotics at University of Seville - Engineering School
German, English, French, Spanish
Github Skills (33)
debug9
solidity9
remix9
code-coverage8
smart-contracts8
blockchain8
specification8
remix-ide8
ethereum8
conventional-changelog8
solc8
coverage8
vyper8
conventional-commits8
foundry7
Programming languages (4)
Github contributions (5)
mariogutval/RealEstateDapp
Jun 2020 - Jul 2020
Real State Dapp to mint, sell and buy property tokens.
Contributions:14 pushes, 1 branch in 1 month
reacttokensreal-statedappethereum
mariogutval/MySupplyChain
May 2020 - Jun 2020
Blockchain solution for a coffee supply chain
Contributions:8 pushes, 1 branch in 3 days
coffeeblockchain-platformethereumblockchain-solutionsupply-chain
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