Sebastian Shanus
Senior IOS Engineer at Robinhood
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolSebastian Shanus is a Senior iOS Engineer with 11 years of experience building production-grade mobile apps and developer tooling, currently shaping iOS at Robinhood in New York. He brings deep platform expertise from roles at Peloton and Square, where he contributed to both app architecture and open-source projects spanning dependency injection and package management. Sebastian has a track record of pragmatic refactors and API compatibility work—evident in Cleanse (Swift DI) updates across Swift 4–5 and CocoaPods project-generator improvements that increased testability. An early entrepreneur and prolific indie app author, he also founded a viral app and a movie-quote site featured in major outlets, showing a blend of product intuition and engineering polish.
11 years of coding experience
7 years of employment as a software developer
Bachelor of Arts (BA), Computer Science, Bachelor of Arts (BA), Computer Science at UC Berkeley
Spanish, English
Github Skills (12)
dependency-manager10
objective-c10
web-framework10
swift10
ios10
package-manager10
dependency-injection10
cocoapods10
unit-testing9
macos8
xcode8
api-design8
Programming languages (8)
Github contributions (5)
square/Cleanse
Mar 2018 - Mar 2021
Lightweight Swift Dependency Injection Framework
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:2 releases, 6 reviews, 192 commits in 3 years
Contributions summary:Sebastian primarily contributed to the Cleanse Swift Dependency Injection Framework by implementing and refactoring features related to Swift 4, Swift 4.2, and Swift 5 compatibility. Their work included supporting the changes in Swift's type system, specifically around tuples and factory function arities, updating the README documentation to reflect these changes, and fixing warnings. Additionally, they extended the framework to support a higher number of parameters in binding functions and added a Service Provider Interface (SPI) for plugins.
injection-frameworkinjectiondependency-injection-frameworkdependency-injectionswift
CocoaPods/CocoaPods
Oct 2018 - Aug 2020
The Cocoa Dependency Manager.
Role in this project:Backend Developer
Backend DeveloperContributions:46 commits, 34 PRs, 8 pushes in 1 year 10 months
Contributions summary:Sebastian primarily focused on refactoring and improving the project generation within the CocoaPods dependency manager. Their commits involve modifying the pod project generator, specifically focusing on how project objects are created and utilized. The changes included passing project parameters to functions and returning results in a specific object, reflecting a focus on improving code structure and testability. These changes primarily affect the unit tests for the installer's project generator.
cocoapodsobjective-cpackage-managermacdependency-manager
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