Mariano Cortesi
Head Of Engineering at cLabs
Buenos Aires, Autonomous City of Buenos Aires, Argentina
Summary
👤
Senior🎓
Top SchoolMariano Cortesi is a seasoned engineering leader and entrepreneur with 14+ years building products and teams across web and blockchain stacks, currently Head of Engineering at cLabs in Buenos Aires. He combines hands-on expertise from Java and React to Go and Solidity, having contributed core logic and consensus refinements to the widely used celo-blockchain repository. Mariano co-founded multiple startups, led Flowics to regional market leadership, and scaled Zauber from 0 to 50 engineers, blending product-minded architecture with people development. He has deep experience in layer-1 blockchain protocols, p2p systems and smart-contracts, and has taught cryptocurrencies and functional programming at ITBA. Known for coaching strong engineers and translating complex business needs into robust, auditable systems, he’s now focused on crypto innovations and financial inclusion.
14 years of coding experience
18 years of employment as a software developer
Softawe Engineer, Engineer, Softawe Engineer, Engineer at Instituto Tecnológico de Buenos AiresEscuela Argentina Modelo
English, Spanish, Portuguese
Stackoverflow
256reputation
10kreached
4answers
2questions
Github Skills (13)
evm10
consensus10
go10
virtual-machine10
blockchain10
smart-contracts9
gas-optimization9
xcode6
exceptions6
android6
webpack6
cordova6
ruby6
Programming languages (11)
Github contributions (5)
celo-org/celo-blockchain
Sep 2019 - Jul 2022
Official repository for the golang Celo Blockchain
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 releases, 448 reviews, 264 commits in 2 years 10 months
Contributions summary:Mariano primarily contributed to the core logic of the Celo blockchain. Their work involved implementing and refining consensus mechanisms, specifically within the Istanbul framework, including logging validator election results and preparing certificates. The user was also responsible for modifying the transaction fees distribution logic and incorporating optimizations for various EVM operations such as gas limit. Furthermore, the user refactored the validator enode table for better encapsulation and implemented and optimized the Uptime monitor functionality.
golangcelo-blockchainethereumblockchainweb3
celo-org/rosetta
Mar 2020 - May 2020
go server implementation of the Rosetta API spec
Contributions:3 reviews, 127 commits, 32 PRs in 2 months
golangapiapi-specrosetta-apirosetta
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