John Coates
Verified Expert in Engineering
Reverse Engineering Developer
Austin, TX, United States
Toptal member since January 11, 2018
John has over ten years of experience developing for Apple platforms. He strives to communicate well and effectively, has worked in teams of varying sizes from large-scale one-person projects to projects with up to a dozen developers. John has many open source contributions, including creating one of the most popular Swift projects on GitHub.
Portfolio
Experience
- Objective-C - 11 years
- iOS - 9 years
- Reverse Engineering - 9 years
- Interactive Disassembler (IDA) Pro - 5 years
- Core Data - 5 years
- Metal - 3 years
- Swift - 3 years
- Vapor - 1 year
Availability
Preferred Environment
Sketch, Git, Xcode, MacOS
The most amazing...
...app I've made is one that brought reverse engineering to the masses, and let people create and share projects with no coding experience, all through a UI.
Work Experience
Developer
Flex
- Created a dynamic Objective-C hooking platform. Using three distinct assembly architectures, ARM, ARM64, and x86-64.
- Constructed an intuitive way for users to create iOS tweaks with no programming experience, completely in the UI.
iOS Engineer
Struncon
- Created an Objective-C-based CLI tool integrated with iOS's internals for high iteration automation of complex tasks.
- Contributed to the open-source reverse engineering engine, Frida.
- Reverse-engineered the iOS App Store to monitor network requests and ingest data.
iOS Developer
USeek
- Created a solution for playing inline video on iOS 9+ that works within WebViews that have this feature explicitly disabled.
- Led the development of an SDK framework that was implemented in various popular applications such as T-Mobile's iOS app.
- Created a Facebook Messenger bot to showcase integrations with service.
- Provided guidance into implementing automated enforcement of code style guidelines.
iOS Developer
Well Done
- Wrote a Firebase abstraction for strict typing and increased intuitiveness of controllers.
- Implemented initial designs of application, including realtime chat and notifications.
iOS Developer
Rapid Healthcare
- Built out extendable Vapor backend for integrating with Amazon Alexa commands.
- Wrote Swift iOS framework that allows for pairing of an Amazon Echo to a phone for issuing commands that are reflected in an iOS app.
Experience
Skills
Tools
Xcode, PaintCode, Sketch, Git, Interactive Disassembler (IDA) Pro, Interactive Disassembler (IDA)
Languages
Objective-C, Swift, TypeScript, ARM Assembler
Platforms
iOS, Firebase, MacOS
Frameworks
Core Data, Vapor, Metal
Paradigms
Agile
Storage
MySQL
Other
Software Development, Reverse Engineering
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