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I am Hasan Zaidi, an iOS Lead and developer with 10+ years of experience, including 6 apps published on the App Store. I specialize in Swift and Objective-C, MVVM/MVP architectures, and building secure, high-performance mobile experiences for fintech, automotive, and travel clients. I enjoy mentoring teammates, collaborating with product and security teams, and staying current with the latest iOS releases, ARKit/RealityKit, and CI/CD practices. My work emphasizes accessible UIs, offline resilience, and a polished user experience across iPhone and iPad.…I am Hasan Zaidi, an iOS Lead and developer with 10+ years of experience, including 6 apps published on the App Store. I specialize in Swift and Objective-C, MVVM/MVP architectures, and building secure, high-performance mobile experiences for fintech, automotive, and travel clients. I enjoy mentoring teammates, collaborating with product and security teams, and staying current with the latest iOS releases, ARKit/RealityKit, and CI/CD practices. My work emphasizes accessible UIs, offline resilience, and a polished user experience across iPhone and iPad.

Hasan Zaidi

Developer, Web Developer, App Developer, +2

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I am Hasan Zaidi, an iOS Lead and developer with 10+ years of experience, including 6 apps published on the App Store. I specialize in Swift and Objective-C, MVVM/MVP architectures, and building secure, high-performance mobile experiences for fintech, automotive, and travel clients. I enjoy mentoring teammates, collaborating with product and security teams, and staying current with the latest iOS releases, ARKit/RealityKit, and CI/CD practices. My work emphasizes accessible UIs, offline resilience, and a polished user experience across iPhone and iPad.…I am Hasan Zaidi, an iOS Lead and developer with 10+ years of experience, including 6 apps published on the App Store. I specialize in Swift and Objective-C, MVVM/MVP architectures, and building secure, high-performance mobile experiences for fintech, automotive, and travel clients. I enjoy mentoring teammates, collaborating with product and security teams, and staying current with the latest iOS releases, ARKit/RealityKit, and CI/CD practices. My work emphasizes accessible UIs, offline resilience, and a polished user experience across iPhone and iPad.

Available to hire

I am Hasan Zaidi, an iOS Lead and developer with 10+ years of experience, including 6 apps published on the App Store. I specialize in Swift and Objective-C, MVVM/MVP architectures, and building secure, high-performance mobile experiences for fintech, automotive, and travel clients.

I enjoy mentoring teammates, collaborating with product and security teams, and staying current with the latest iOS releases, ARKit/RealityKit, and CI/CD practices. My work emphasizes accessible UIs, offline resilience, and a polished user experience across iPhone and iPad.

Skills

Swift

Objective-C

React Native

Experience Level

Swift

Expert

Objective-C

Expert

React Native

Expert

Work Experience

Lead iOS Engineer at Ally Bank

February 1, 2024 - Present

Led the architecture and delivery of secure, scalable iOS banking apps using MVVM-C, SwiftUI, and Combine, ensuring fintech compliance. Implemented robust authentication (Keychain, LocalAuthentication), offline support, and real-time transaction flows. Built networking layers with URLSession, integrated AWS services for cloud-backed features, and mentored junior engineers while contributing to CI/CD improvements.

Senior iOS Engineer at Rivian

March 1, 2021 - January 1, 2024

Developed a secure, real-time iOS app for connected vehicles, integrating BLE, WebSockets, and biometric authentication. Built modular MVVM components with Combine, MapKit, and CoreBluetooth to support location-aware EV interactions and digital key functionality. Implemented secure REST/WebSocket communications, real-time telemetry, and cross-platform modules in React Native; leveraged AWS Amplify for auth and data sync.

Senior iOS Developer at Frontier Airlines

May 1, 2019 - February 1, 2021

Designed and developed scalable iOS apps for Frontier Airlines, enabling flight booking, real-time tracking, and account management. Used MVVM with Combine, REST APIs, CoreData for offline access, and push notifications. Focused on accessibility and performance and implemented deep linking.

Senior iOS Developer at Shopify

July 1, 2017 - April 1, 2019

Developed scalable e-commerce iOS apps with UIKit, MVVM, and Combine; integrated REST APIs, offline persistence with CoreData, push notifications, and cross-platform React Native modules. Emphasized accessibility and fast, reliable UX.

iOS Developer at McKesson Healthcare

March 1, 2016 - June 1, 2017

Developed patient-centric features using UIKit and HealthKit with MVVM; implemented secure login with Face ID/Touch ID and Keychain; offline data using CoreData; HealthKit integration; local notifications; HIPAA-focused design and accessibility.

iOS Developer at Target Corporation

January 1, 2015 - February 1, 2016

Built and maintained Target's native iOS app using Objective-C, MVC; integrated RESTful APIs with NSURLConnection/NSURLSession; Core Data offline; Auto Layout; Agile development.