Devin Finzer
Co-Founder And CEO at OpenSea
United States
Summary
🤩
Rockstar🎓
Top SchoolDevin Finzer is a serial founder and engineering leader with 13 years of experience building consumer and developer-facing products, currently co-founder and CEO of OpenSea, the leading peer-to-peer marketplace for blockchain-based digital assets. He combines deep hands-on engineering—working on NFTs, smart contracts and metadata APIs—with product instincts honed at startups and growth roles at Pinterest and Credit Karma. Devin’s teams have shipped widely adopted mobile health apps and viral growth systems, and he helped scale Claimdog into an acquisition by Credit Karma. His background blends technical depth (BS in Computer Science and Mathematics from Brown) with venture-backed startup execution and notable open-source work demonstrating OpenSea integrations. Notably, he has moved between building core product infrastructure and frontend growth experiments, giving him a rare fluency across the full stack and go-to-market execution.
13 years of coding experience
5 years of employment as a software developer
BS Computer Science - Mathematics, BS Computer Science - Mathematics at Brown University
English, Spanish
Stackoverflow
71reputation
533reached
0answers
1question
Github Skills (8)
smart-contracts10
solidity10
nft10
web3js9
javascript9
truffle8
ethereum8
babeljs6
Programming languages (8)
Github contributions (5)
ProjectOpenSea/opensea-creatures
Apr 2018 - Jun 2020
Example non-fungible collectible, to demonstrate OpenSea integration
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:55 commits, 9 PRs, 35 pushes in 2 years 2 months
Contributions summary:Devin primarily worked on developing a non-fungible token (NFT) project, focusing on smart contracts and related metadata APIs. Their contributions involved renaming and restructuring core contracts, such as CryptoPenguin/Puff and their associated deployments. They implemented and refined features, including minting functionality, whitelisting OpenSea proxy addresses, and integrating with OpenSea's trading platform via the SDK. They also developed and integrated a metadata API.
fungibleopenseacollectible
dfield/07.21.2012
Jul 2012 - Jul 2012
Contributions:92 commits in 1 day
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