# Kaleb Cooper

## Staff Software Engineer • iOS

**Location:** Austin, TX • **Email:** [hello@kalebcooper.com](mailto:hello@kalebcooper.com)

**Website:** [kalebcooper.com](https://kalebcooper.com) • **LinkedIn:** [linkedin.com/in/kalebcooper](https://linkedin.com/in/kalebcooper)

## Professional Summary

iOS engineer with seven years of experience building native apps and leading technical delivery. Led development and launch of Littlebird's iOS app, served as technical lead for ZenBusiness's iOS team, and worked on the Vrbo and Expedia iOS apps serving millions of monthly active users.

## Technical Skills

**iOS Development:** Swift, SwiftUI, UIKit, Swift Concurrency, MapKit, Core Bluetooth, Core Location, SwiftData, UserNotifications, BackgroundTasks, Swift Testing

**Development Tooling:** Xcode, Swift Package Manager, XcodeGen, Fastlane, Bitrise, GitHub Actions

**Backend & APIs:** JavaScript, Node.js, GraphQL, REST APIs

**Architecture & Practices:** Dependency injection, modularization, MVVM, protocol-oriented design, observability

**AI-Assisted Development:** Claude Code, Codex, Cursor

## Professional Experience

### **iOS Engineer** • Littlebird
November 2025 – Present • Remote

- Led development and launch of Littlebird's iOS app, with responsibility for its architecture, feature development, quality, and releases.
- Built Littlebird's live location map using UIKit, MapKit, and SwiftUI to display locations for adult family members, invited caregivers, and child trackers, with performant clustering, animations, and live device status.
- Developed Littlebird's background location system using Core Location, Core Bluetooth, geofencing, and silent push notifications to refresh phone and nearby tracker locations for safety alerts without continuous location polling.
- Implemented Core Bluetooth support for child tracker activation, replacement, firmware updates, and background reconnection.
- Created 20+ in-app diagnostic tools used across engineering to inspect Bluetooth and API traffic, device state, map behavior, and notifications directly in TestFlight builds.
- Maintained a 99.9%+ crash-free rate across weekly production releases and expanded automated coverage with Swift Testing.

### **Staff Engineer** • ZenBusiness PBC
November 2021 – December 2025 • Remote

- Led the iOS team as technical lead for an app serving more than 50,000 monthly active users while remaining hands-on across architecture, feature delivery, and code review.
- Mentored up to four iOS engineers through biweekly 1:1s and coordinated architecture with the Android counterpart.
- Shipped biweekly production releases while maintaining a 99.9%+ crash-free rate.
- Proposed in-app review prompts that helped raise the App Store rating from 2.5 to 4.7.
- Implemented and rolled out Apple App Attest verification in the Node.js and GraphQL backend, progressing from non-enforcing evaluation to full enforcement for in-app banking.
- Built a suite of in-app developer tools for feature testing, prototyping, feature flags, designer self-service, and production diagnostics.
- Created a custom Swift CLI that automated XcodeGen project discovery, builds, tests, and app launches.
- Cut Bitrise CI build times from 10–15 minutes to 6–8 minutes while maintaining the pipelines and resolving dependency and tooling failures.

### **Senior iOS Engineer (Contract)** • Vrbo / Expedia Group
August 2020 – November 2021 • Remote • Via SwiftKick Mobile

- Reduced compile time for Vrbo's iOS app by 35% through dependency-graph and incremental-build improvements.
- Migrated Vrbo's iOS app from RxSwift to Combine across the codebase.
- Built the frontend for an in-app developer tool that let engineers override feature flags from the internal A/B testing platform, reducing validation time from hours to minutes.
- Helped develop Expedia Group's server-driven UI platform, designed to accelerate UI development across its travel brands.

### **Senior iOS Engineer** • SwiftKick Mobile
August 2019 – November 2021 • Austin, TX

- Built production iOS apps for startup and enterprise clients, including augmented-reality and festival experiences.
- Developed reusable Swift frameworks for networking, persistence, analytics, and other common mobile needs.

### **Software Developer & Integrator III** • USAA
June 2018 – July 2019 • Plano, TX

- Built responsive web applications and REST APIs for digital banking using React, Redux, and Spring.

## Education

**B.S., Computer Science** • Oklahoma State University • 2014–2018

## Research Experience

**NASA X-HAB Academic Innovation Challenge 2017**

- Coauthored “[Inter-habitat Communications Analog Research Utility System (ICARUS)](https://arc.aiaa.org/doi/10.2514/6.2018-2180),” accepted for publication by AIAA in 2018.
- Served as the sole computer science representative on a multidisciplinary team, developing communication, automation, and remote-control systems for deep-space habitat mockups.