Franck聽Chastagnol
Cofounder And CTO at Twinsi
United States
Summary
馃懁
Senior馃帗
Top SchoolFranck Chastagnol is a seasoned technologist and founder with two decades of experience leading engineering teams from early-stage startups to big tech, including early roles at PayPal, YouTube, and Dropbox. As a repeat cofounder and CTO most recently at Twinsi and Veritai, he blends hands-on backend engineering with strategic leadership, having scaled developer tooling and decentralized marketplace systems at Origin Protocol. His open-source contributions show deep familiarity with blockchain data pipelines and token distribution logic鈥攚ork that bridges ETL for Ethereum data and reward distribution on chain. Based in the United States with an MS in Computer Science from the University of Nice, he pairs systems-level thinking with product-focused execution and a rare comfort operating at the intersection of crypto economics and production-grade backend engineering.
8 years of coding experience
28 years of employment as a software developer
Universit茅 C么te d'AzurMS, CS, MS, CS at University of Nice, France
Github Skills (15)
etl10
javascript10
ipfs10
data-pipeline10
data-pipelines10
back-end-development10
python10
ethereum10
web3js10
blockchain10
bigquery9
smart-contracts9
google-cloud8
sql8
aws6
Programming languages (7)
Github contributions (5)
OriginProtocol/origin
May 2018 - May 2022
Monorepo for our developer tools and decentralized marketplace application
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 reviews, 1222 commits, 949 PRs in 4 years
Contributions summary:Franck's commits primarily involve modifications to the `distributeRewards.js` script, which suggests a focus on back-end logic related to handling and distributing rewards. Changes included adding checks for payment amounts, correcting a bug, and refactoring token distribution. The edits also touched upon core financial aspects of the project and its implementation with respect to chain interaction.
marketplacemonoreporeactdappethereum
blockchain-etl/ethereum-etl
May 2020 - Jun 2020
Python scripts for ETL (extract, transform and load) jobs for Ethereum blocks, transactions, ERC20 / ERC721 tokens, transfers, receipts, logs, contracts, internal transactions. Data is available in Google BigQuery https://goo.gl/oY5BCQ
Role in this project:Data Engineer
Data EngineerContributions:7 commits, 1 PR, 7 comments in 24 days
Contributions summary:Franck primarily focused on extracting, transforming, and loading data related to the Origin Protocol within the Ethereum ecosystem. They added code to extract Origin Protocol data from the IPFS, including shop and marketplace listing information. The user implemented data extraction from shop indexes and product details, creating domain objects for Origin marketplace and shop listings. The user's work integrated with an existing ETL pipeline, with changes to job definition and exporter.
csvgcppythontokensethereum
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