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jtvargas/README.md

Hi, I'm Jonathan Taveras (J.T.) 👋

Mobile Software Engineer — I design and ship production iOS and cross-platform apps with React Native and native Swift/SwiftUI. 7 apps live on the App Store, end to end: idea → architecture → release.

Contact Me:

🔗 App Store · X/Twitter


My Stack

Languages   Swift TypeScript JavaScript Kotlin Objective-C

iOS / Native   SwiftUI SwiftData CloudKit Virtualization Xcode

Cross-Platform   React Native Expo React

State / Data   Redux Toolkit React Query

Tooling   Git Jira Postman Neovim


Some of my Work

A mix of apps I've shipped to the App Store and open-source projects. (★ = GitHub stars)

Hive — Native Buzz iOS Client · Swift · 10★

Native Swift/SwiftUI iOS client for Buzz — Nostr-based messaging for human-agent collaboration SwiftUI + SwiftData + Nostr + Buzz Code

CrossX — Send to X4 · Swift · 70★

Native SwiftUI app (iOS/iPadOS/macOS) that turns any web page into an EPUB and sends it to Xteink X4 e-readers over local WiFi — no cloud, no account. Dual-tier extraction (SwiftSoup + Readability), in-memory EPUB generation, SwiftData history/queue, Share Extension, Siri Shortcuts. App Store · Code

SnipKey — Keyboard Extension · Swift · 20★

Privacy-first iOS custom keyboard for saving and pasting snippets, URLs, images & PDFs anywhere. Slash-command autocomplete, FaceID-locked snippets, on-device storage with optional CloudKit sync. SwiftUI + SwiftData + LocalAuthentication + RevenueCat. App Store · Code

Tower Defense — Void · Swift

A strategy tower-defense game built native on Swift/SwiftUI. Wave-based combat, tower placement and upgrades, all running smoothly on-device. App Store Website

StepsAppRN · TypeScript

Cross-platform health app reading steps & distance from Apple HealthKit and Google Fit through native bridges (Obj-C / Kotlin). Code

vmdispatch · Swift

A Swift-powered macOS virtualization platform for Apple Silicon that spins up disposable, AI-agent-ready VMs from declarative Pkl templates. Automated provisioning, secure host-controlled automation, per-VM networking, and instant sandbox cloning — driven from either a CLI or a SwiftUI manager, built on Apple's Virtualization.framework. (Private repo yet)

📱 More on the App Store: Hit21: Blackjack, ink. – Casual Mini-Games, Vibe C. – Well-Being Trackergo.jrtv.space/apps


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  1. buzz-ios-client buzz-ios-client Public

    Native Swift/SwiftUI iOS client for Buzz — Nostr-based messaging for human-agent collaboration

    Swift 6 1

  2. crosspoint-app crosspoint-app Public

    Crosspoint iOS App - To Manage Easily Xteink device

    Swift 84 4

  3. SnipKey SnipKey Public

    Swift 21 3

  4. TheLock TheLock Public

    Mobile game made with React Native and Expo

    TypeScript 35 9

  5. Stress Fiddle App in SwiftUI Stress Fiddle App in SwiftUI
    1
    //
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    //  MatrixEffect.swift
    3
    //
    4
    //  Created by J.T on 9/8/24.
    5
    //