George Navarro

Lead iOS Engineer

12+ years building robust, user-centric apps across the Apple ecosystem. Focused on clean architecture, performance, and shipping reliable software.

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About

I'm an iOS engineer specializing in Swift, SwiftUI, and the broader Apple platform. I've led mobile teams, established CI/CD pipelines, and maintained apps at 99.5% crash-free rates. I care about well-structured code, thoughtful UX, and building things that work.

Swift & Objective-C SwiftUI & UIKit CoreData & SwiftData CoreBluetooth Combine & Concurrency Firebase & Analytics CI/CD & Fastlane Docker & AWS

Projects

Apps I've built and shipped

Personal

Leyline Ledger

iOS

A tabletop-optimized life counter for Magic: The Gathering. Supports 1–4 players with clean tap controls and physics-based dice rolling.

SwiftUI Firebase SceneKit

Terrier

iOS

A Bluetooth-powered coffee brewing companion. Connects to brewing equipment for real-time temperature monitoring and brew tracking.

CoreBluetooth AccessorySetupKit Swift Charts

WorkTimeFun

iOS, macOS, visionOS

A productivity app with an operation console, RSS feed reader, podcast player, and developer utilities like Xcode Simulator management.

SwiftUI SwiftData Concurrency

Professional

Ranker

iOS · Ranker Inc

Crowd-sourced rankings platform with millions of user-generated votes across entertainment, sports, and lifestyle categories.

UIKit Social Login CI/CD

Watchworthy

iOS · Ranker Inc

Personalized TV and movie recommendation engine powered by user taste profiles and ranking data.

UIKit ReSwift Social Login

Wishbone

iOS · Mammoth Media

Social polling app that reached 1M+ daily active users, letting users vote on pop culture, fashion, and lifestyle comparisons.

UIKit Ad Integration Analytics

Yarn

iOS · Mammoth Media

Interactive storytelling app delivering bite-sized fiction through a chat-style interface.

UIKit Video Playback In-App Purchase

MarketSmith

iOS · William O'Neil + Co

Professional stock research tool with advanced charting, screening, and real-time market data for investors.

UIKit CoreGraphics Real-Time Data

Panaray

iOS · William O'Neil + Co

Institutional-grade market analysis platform with optimized chart rendering and portfolio monitoring tools.

UIKit CoreGraphics WebSocket

Experience

Lead iOS Engineer

Ranker Inc

Apr 2019 – Dec 2024

  • Led iOS development teams and established architectural best practices
  • Partnered with backend engineers on API design for faster integration
  • Maintained apps at 99.5% crash-free rate using Firebase Crashlytics
  • Established and managed iOS CI/CD pipeline for QA and App Store releases

Apps: Ranker, Watchworthy

Senior iOS Developer

Mammoth Media

Jul 2016 – Mar 2019

  • Organized scrum sprints with consistent release cycles
  • Built proprietary ad system integrating multiple third-party providers
  • Monitored stability metrics, achieving 99% crash-free rate

Apps: Wishbone (1M+ DAU), Yarn

iOS Developer

William O'Neil + Co

Apr 2012 – Jul 2016

  • Served as primary iOS developer across multiple financial apps
  • Dramatically optimized chart rendering performance
  • Maintained CI/CD infrastructure and provided rapid production support

Apps: Panaray, MarketSmith, Top Stocks

Get in Touch

I'm currently open to new opportunities. Feel free to reach out.

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