Tosin Afolabi

Member Of Technical Staff at Harvey

New York, New York, United States
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Summary

🤩
Rockstar
🎓
Top School
Tosin Afolabi is a product-minded software engineer with 10 years of experience building consumer-facing mobile experiences and developer-facing components, now a Member of Technical Staff at Anthropic in San Francisco. He led iOS work across Slack, Stripe, and Cash App, and is an active contributor to well-known open-source projects like PanModal and SlackTextViewController—adding package manager support, fixing gesture/UX issues, and improving presentation behavior. His hands-on expertise spans Core Data, offline sync, networking, custom keyboards, and shipping beta releases (including a 500-user TestFlight launch), which informs a pragmatic, product-first approach to engineering. Having moved from crafting polished mobile UX to working on large-scale AI products, he blends attention to developer ergonomics with user-focused delivery. He holds a BSc in Software Engineering from the University of Nottingham and favors solving product problems through code rather than pure theory.
code11 years of coding experience
job11 years of employment as a software developer
bookBachelor of Science (BSc), Software Engineering, Bachelor of Science (BSc), Software Engineering at University of Nottingham
bookIGCSE, IGCSE at British International School Lagos
bookInternational Baccalaureate Diploma, International Baccalaureate Diploma at Ardingly College
languagesEnglish, French
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Github Skills (21)

objective-c10
ios10
implement10
gesture-recognition10
swift10
carthage9
ui-components9
swiftpackage9
uicomponents9
user-interface9
swift-packages9
swiftpackagemanager9
swift-package-manager9
ui-component9
swift-package9

Programming languages (6)

JavaObjective-CSwiftHTMLRubyKotlin

Github contributions (5)

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slackhq/PanModal

Mar 2019 - Mar 2020

An elegant and highly customizable presentation API for constructing bottom sheet modals on iOS.
Role in this project:
userMobile Developer (iOS)
Contributions:15 releases, 25 commits, 16 PRs in 1 year
Contributions summary:Tosin primarily contributed to the development of the iOS-based `PanModal` library. Their work involved fixing horizontal sliding issues within the presentation controller, adding support for Carthage and SPM package managers, and making minor refinements to the code. The commits also show adjustments to corner radius and gesture recognizer logic to improve the user experience.
apipresentationsheethighly-customizablecustomizable
⛔️**DEPRECATED** ⛔️ A drop-in UIViewController subclass with a growing text input view and other useful messaging features
Role in this project:
userMobile Developer (iOS)
Contributions:15 commits, 9 PRs, 13 pushes in 3 months
Contributions summary:Tosin primarily focused on modifying and improving the `SLKTextViewController` component within the SlackTextViewController repository. Their work included making methods public, fixing typos, and adding animations to the text input bar dismissal functionality. The user also made minor adjustments, such as removing a completion block from animation, removing the autocomplete method from animation, and changing `false` to `NO` for consistency. These changes aimed to enhance the component's usability and behavior.
cocoapodsdrop-intext-inputswiftios
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