Zsika Phillip-baptiste
Founder CEO at SpotPay (YC W26)
San Francisco Bay Area United States
Summary
🤩
Rockstar🎓
Top SchoolZsika Phillip-Baptiste is a founder and engineer with a decade of experience building mobile-first products and developer tools, now leading a fintech startup out of YC. Previously a technical lead on Firebase Authentication for iOS and an early iOS engineer on YouTube TV, he blends deep hands-on iOS development with product leadership from roles across Google and AdMob. He’s an MBA candidate and venture resident at Stanford, pairing business strategy with engineering fluency to mentor startups and shape go-to-market decisions. An active open-source contributor, his work improved FirebaseUI and the firebase-ios-sdk authentication flows—adding anonymous sign-in, deep link handling, and clearer error handling to developer-facing tooling. Fluent in Spanish after living in Mexico, he brings an empathetic, culturally aware approach to product design and startup community engagement.
10 years of coding experience
3 years of employment as a software developer
Master of Business Administration - MBA, Master of Business Administration - MBA at Stanford University Graduate School of BusinessBachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Universidad Autónoma de AguascalientesMaster of Science - MS Computer Science, Master of Science - MS Computer Science at Purdue UniversityMBA + CS and Engineering (Cross-registration), MBA + CS and Engineering (Cross-registration) at Stanford University
English, Spanish, French
Github Skills (8)
objective-c10
authentication10
firebase-authentication10
user-authentication10
swift10
ios10
user-interface10
firebase10
Programming languages (3)
Github contributions (5)
firebase/FirebaseUI-iOS
May 2016 - Jul 2018
iOS UI bindings for Firebase.
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:53 commits, 29 PRs, 35 pushes in 2 years 2 months
Contributions summary:Zsika primarily contributed to the FirebaseUI-iOS repository by implementing and modifying features related to user authentication and sign-in flows within the iOS application. Their work included adding anonymous sign-in functionality and integrating terms of service and privacy policy links into the UI. The user also addressed code sanitization and fixed minor bugs within the project. These changes indicate a focus on improving the user experience and expanding the authentication options available within the FirebaseUI-iOS library.
firebaseiosfirestoreios-ui
firebase/firebase-ios-sdk
May 2017 - May 2018
Firebase SDK for Apple App Development
Role in this project:Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:90 commits, 154 PRs, 182 pushes in 1 year
Contributions summary:Zsika primarily contributed to the iOS SDK by implementing and improving authentication features within the Firebase ecosystem. Their work included adding error messages, updating the phone number verification flow in both Objective-C and Swift sample applications, and adding support for handling deep links in email/link authentication. They also made several code improvements, fixed deprecation warnings, and enhanced documentation related to authentication flows, including the addition of error codes.
firebase-databasefirebase-functionsdatabase-as-a-serviceremote-configios
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