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Brett-Buchholz/README.md

Brett Buchholz

iOS Developer focused on Swift, SwiftUI, and UIKit.

I independently design, build, release, and maintain iOS applications, with three apps currently available on the Apple App Store.

Featured Apps

SwiftUI rummy game for iPhone and iPad featuring:

  • Single-player bot gameplay
  • Real-time GameKit multiplayer
  • SwiftData persistence
  • StoreKit 2 purchases and entitlement management
  • Game Center achievements and matchmaking
  • SharePlay support
  • MVVM architecture
  • Production debugging and post-release maintenance

UIKit accounting and recordkeeping app for home-based bake shop businesses.

Built with:

  • Swift
  • UIKit
  • Core Data
  • MVC architecture

The app combines iOS development with my prior accounting and business experience to support practical recordkeeping and financial workflows.

UIKit prayer and devotional app built with:

  • Swift
  • UIKit
  • Core Data
  • MVC architecture

Technologies

  • Swift
  • SwiftUI
  • UIKit
  • SwiftData
  • Core Data
  • GameKit
  • StoreKit 2
  • Game Center
  • SharePlay
  • Xcode
  • Git
  • MVVM
  • MVC

Public Projects

SwiftUI portfolio project demonstrating SwiftData persistence, PhotosUI, Observation, AVFAudio, state management, and automated testing.

SwiftUI networking sample demonstrating URLSession, async/await, REST API consumption, JSON decoding, CodingKeys, pagination, HTTP response handling, and API-driven UI.

Background

Before moving into software development, I spent 17 years in accounting and business leadership, progressing from Accountant to Secretary & Treasurer and ultimately Owner / Partner of Derby Operating Corporation.

I began learning software development in late 2022, starting with Python before transitioning to Swift and iOS development in 2023.

Since then, I have independently released three iOS applications on the App Store using both UIKit and SwiftUI.

Current Focus

I’m currently focused on:

  • iOS development
  • Swift and SwiftUI
  • Software architecture
  • Swift concurrency
  • Automated testing
  • Networking fundamentals
  • Data structures and algorithms
  • Professional software engineering practices

Connect

Popular repositories Loading

  1. Brett-Buchholz Brett-Buchholz Public

  2. StressPunch StressPunch Public

    SwiftUI portfolio app using SwiftData, PhotosUI, Observation, and AVFAudio to create and manage custom stress targets with persistence, favorites, animations, and sound.

    Swift

  3. PokeAPIExplorer PokeAPIExplorer Public

    SwiftUI networking sample demonstrating URLSession, async/await, REST API consumption, JSON decoding, CodingKeys, pagination, HTTP response handling, search, and API-driven UI.

    Swift