Guillermo Narvaja
Co-founder CTO at Lambda Sistemas S.R.L.
Buenos Aires, Autonomous City of Buenos Aires, Argentina
Summary
👤
Senior🎓
Top SchoolGuillermo Narvaja is a seasoned software engineer and serial entrepreneur with over 20 years in IT, currently serving as Co-founder and CTO of Ensuro, a blockchain-based (re)insurance platform. He co-founded two longstanding product businesses—RadioCut and Sistema Fierro—bringing a rare combination of product-led full-stack development (primarily Python), DevOps, and hands-on leadership. His work spans product design, growth hacking, and business functions like finance and strategy, enabling him to translate ideas into commercially viable, user-focused software. Guillermo has built products that remain operational at scale—Fierro supports 300+ businesses with collective revenues over $200M—and he thrives on turning practical needs into persistent, user-loved services. Based in Buenos Aires, he pairs deep technical ownership with entrepreneurial instincts, and brings real-world experience applying smart contracts to open insurance markets.
20 years of coding experience
3 years of employment as a software developer
Ingeniero En Informática, Ingeniero En Informática at University of Buenos AiresHigh School Diploma, High School Diploma at Colegio Nacional Buenos Aires
English, Spanish
Github Skills (113)
tooling10
insurance10
security10
smart-contracts10
flask10
solidity10
django10
openzeppelin10
debugging10
environment-variables10
hardhat10
evm10
nikola10
ethereum10
blockchain10
Programming languages (10)
Github contributions (5)
gnarvaja/sinliarg
Jun 2015 - Mar 2021
Automatically exported from code.google.com/p/sinliarg
Contributions:1 PR, 8 pushes in 5 years 9 months
python
ensuro/price-risk-module
Sep 2022 - Apr 2024
Price Risk Module for the Ensuro Protocol
Contributions:9 releases, 19 reviews, 17 PRs in 1 year 7 months
ethereumriskcryptocurrencyblockchain
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