Marco Castignoli
Team Member at Argot Collective
Emilia-Romagna, Italy
Summary
👤
Senior🎓
Top SchoolMarco Castignoli is a full-stack developer with 11 years of experience building web and decentralized applications, currently active in SpaghettETH and Argot Collective. He transitioned from early hobby projects like Mindrop and Redpill to professional work on business platforms and open-source LMSs, then focused on web3—co-creating Nile and contributing DAO tooling such as Gemcutter. At the Ethereum Foundation he helped harden Sourcify, improving contract verification and multi-chain support (notably Optimism integrations) and adding session-based import APIs. Comfortable across backend, DevOps, and frontend stacks (Vue, Rust, PHP, JS), he blends pragmatic engineering with a passion for transparent, audit-able systems. Marco’s unconventional background includes volunteering in an ecovillage and low-budget travel across North America, experiences that shaped his collaborative, community-first approach to developer tooling. Based in Emilia-Romagna, Italy, he brings hands-on open-source impact to teams building reliable web3 infrastructure.
11 years of coding experience
10 years of employment as a software developer
Information Technology, Information Technology at Liceo Statale G.M. Colombini
Stackoverflow
13reputation
443reached
0answers
1question
Github Skills (15)
apim10
smart-contracts10
solidity10
api10
back-end-development10
ethereum10
api-design10
devops9
typescripts8
javascript8
typescript8
typescript-types8
cicd8
docker6
traefik6
Programming languages (17)
Github contributions (5)
ethereum/sourcify
Jul 2022 - Jan 2023
Source code verification service for Ethereum smart contracts
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:44 releases, 521 reviews, 169 commits in 6 months
Contributions summary:Marco primarily contributed to enhancing the Sourcify service for Ethereum smart contracts by adding support for new chains, specifically focusing on Optimism Goerli Testnet and Optimism on Gnosis. They also worked on the verification service, injecting call and refactoring the verification process from Etherscan. Additionally, the user implemented a session-based API for importing contracts and made UI updates for Etherscan and Github import features. Their work also involved improvements to the codebase.
ethereumcontractblockchaindecentralizedsolidity
nileorg/nile-client-lite
Apr 2020 - Nov 2022
Nile lite Covid-19 Edition
Contributions:65 commits, 9 PRs, 53 pushes in 2 years 7 months
litenile
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