Greg Combs is a Senior Principal Applications Engineer in Austin with 16+ years of experience building iOS apps, macOS tooling, and backend systems, currently leading mobile engineering at Oracle. He is the author of multiple App Store apps (Oracle Tap, Open States, TexLege) and an active open-source contributor who improved core libraries like RestKit, demonstrating deep expertise in Core Data, networking, and testing. His background spans early MacOS development at Metrowerks through large-scale server and database administration, giving him a rare full-stack perspective that bridges embedded UI details and production infrastructure. Greg also brings academic rigor from a PhD in Political Science and experience teaching legislative politics, which informs his work on civic-data projects like Open States and TexLege. Colleagues know him as a jovial code critic who blends practicality with thoroughness and persistence—qualities he’s applied off the clock in a determined fight against brain cancer. He combines decades of shipping shipped products with a knack for refactoring legacy code and improving developer ergonomics.
16 years of coding experience
6 years of employment as a software developer
PhD, Political Science, Texas Politics, American Political Institutions, Cum Laude, PhD, Political Science, Texas Politics, American Political Institutions, Cum Laude at The University of Texas at Dallas
n/a, Computer Science, n/a, Computer Science at The University of Texas at Austin
RestKit is a framework for consuming and modeling RESTful web resources on iOS and OS X
Role in this project:
Full-stack Developer
Contributions:29 commits, 1 branch, 1 comment in 6 years 5 months
Contributions summary:Greg contributed to the RestKit framework by implementing new features, fixing bugs, and adding tests. They focused on improving the framework's functionality, including enhancing Core Data integration with store seeds, improving URL encoding for dictionaries, introducing a path matcher for resource path handling, and adding a date formatter for .NET date strings. Their work spanned both the core codebase and the test suite, demonstrating a strong understanding of the project's architecture and testing practices.
open source implementation of Twitter/iPad stacked ui - done right.
Role in this project:
Mobile Developer (iOS)
Contributions:7 commits in 3 months
Contributions summary:Greg primarily contributed to the iOS-specific components of the project. Their commits focused on fixing memory leaks, addressing drawing and scrolling issues, and implementing features related to the menu and view controller interactions. They also modified the UI by adding new features like disabled states for menu items and adding image modifications. The user's work involves refactoring code by releasing retained memory, improving the overall user experience, and enhancing the application's visual appearance.
picture-in-picturereactipadstackediphone
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