Alex Atallah
CEO, Co-Founder at OpenRouter
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolAlex Atallah is a founder and seasoned software leader with 14 years building marketplace and platform products at the intersection of blockchain and AI. As Co-founder of OpenSea and now CEO of OpenRouter—the first large-scale LLM router and marketplace—he combines product vision with hands-on engineering across full-stack and smart-contract code. His open-source contributions include architecting ERC-1155 support and sale-flow tooling for widely used OpenSea example repos, reflecting deep experience with NFT standards and developer integrations. Earlier roles span startups and enterprise deployments—from building data-focused apps at Palantir to scaling polling infrastructure as CTO at Whatsgoodly—showing a pattern of shipping pragmatic, data-driven systems. Based in New York, he pairs Stanford computer science training with YC experience and a knack for turning research-grade ideas into developer-friendly products. An underrated strength is his ability to move between low-level protocol design and high-level product ecosystems, making him effective at both technical strategy and execution.
14 years of coding experience
10 years of employment as a software developer
W18 batch, with OpenSea (https://opensea.io), W18 batch, with OpenSea (https://opensea.io) at Y CombinatorBing Overseas Study Program, Cyber/Computer Forensics and Counterterrorism, Bing Overseas Study Program, Cyber/Computer Forensics and Counterterrorism at University of OxfordHigh School, High School at Fairview High SchoolBachelor of Science (B.S.), Computer Science, Bachelor of Science (B.S.), Computer Science at Stanford University
French, Spanish, English
Github Skills (11)
apim10
smart-contracts10
openzeppelin10
javascript10
solidity10
api10
nft10
ethereum10
blockchain10
web3js9
truffle9
Programming languages (10)
Github contributions (5)
ProjectOpenSea/opensea-erc1155
Sep 2019 - Feb 2022
Example semi-fungible collectible, to demonstrate OpenSea integration for an ERC-1155 contract
Role in this project:
Backend Developer
Backend DeveloperContributions:1 review, 68 commits, 5 PRs in 2 years 5 months
Contributions summary:Alex restructured the code to support ERC-1155 tokens, introducing new smart contracts and modifying existing ones. They added create and mint functionality to the ERC1155Token, implemented naming conventions and the token URI methods. Furthermore, they worked on creating and modifying factory and lootbox contracts, contributing to the overall ERC-1155 implementation.
erc1155opensea
ProjectOpenSea/opensea-creatures
Oct 2018 - Feb 2022
Example non-fungible collectible, to demonstrate OpenSea integration
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:5 reviews, 22 commits, 8 PRs in 3 years 4 months
Contributions summary:Alex primarily worked on modifying and improving the `sell.js` and `initial_sale.js` scripts, which likely handle the creation of sell orders for NFTs on the OpenSea platform. They updated the scripts to utilize new functions such as `createFactorySellOrders` and incorporated an API key, suggesting work focused on integrating and streamlining the NFT sale process. Furthermore, the user addressed gas-related issues and adjusted truffle settings, indicating contributions towards optimizing the deployment and execution of smart contracts related to the project.
opensea
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