Principal Mobile Engineer (iOS expertise)

Tranzeal Incorporated; Los Angeles (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Tranzeal Incorporated in Los Angeles is seeking a Principal Mobile Engineer with deep iOS expertise to lead mobile architecture, development, and strategic direction for secure, scalable, AI-enabled consumer applications. This hands-on role requires roughly 50% engineering and 50% leadership.

You will drive native iOS development using Swift, SwiftUI, UIKit, and Combine, while guiding Android/Kotlin efforts and aligning with Product, Design, Backend, Data, and AI teams on the roadmap.

Qualifications

• 10+ years mobile development experience.
• 3+ years in principal/technical leadership.
• Expert Swift, SwiftUI, UIKit, and Combine.
• Strong Kotlin/Android knowledge.
• Hands-on with Datadog, Adobe Analytics, and Azure DevOps.
• Experience with Git, Fastlane, Firebase, CI/CD, testing, and app releases.
• Strong REST APIs, OAuth2, and mobile security.
• Excellent communication and stakeholder management.
• Fintech/financial services or consumer mobile experience.
• Experience with mobile payments, identity verification, or push notifications.
• AI/ML-enabled mobile applications.

Responsibilities

• Lead architecture and development of native iOS applications using Swift, SwiftUI, UIKit, and Combine.
• Provide technical direction for Android/Kotlin development.
• Define mobile engineering standards, reusable components, and best practices.
• Partner with Product, Design, Backend, Data, and AI teams on technical strategy and roadmap decisions.
• Drive performance, scalability, security, testing, CI/CD, and observability improvements.

Skills

Swift

SwiftUI

UIKit

Combine

Kotlin/Android

Datadog

Adobe Analytics

Azure DevOps

Git

Fastlane

Firebase

CI/CD

Automated testing

App releases

REST APIs

OAuth2

Mobile security

Accessibility

Performance

Scalable architecture

Communication

Fintech

Mobile payments

Identity verification

Push notifications

AI/ML

Tools

Datadog

Adobe Analytics

Azure DevOps

Git

Fastlane

Firebase

CI/CD

App Store releases

Job description

Principal Mobile Engineer (iOS expertise)

• W2 Only role.
• Candidates must be authorized to work in the United States.
• Sponsorship is not available for this position.

Job Summary

Seeking a Principal Mobile Engineer with deep iOS expertise and strong Android/Kotlin knowledge to lead mobile architecture, development, and technical strategy for secure, scalable, AI-enabled consumer applications. This is a hands-on leadership role requiring approximately 50% hands-on engineering.

Key Responsibilities

• Lead architecture and development of native iOS applications using Swift, SwiftUI, UIKit, and Combine.
• Provide technical direction for Android/Kotlin development.
• Define mobile engineering standards, reusable components, and best practices.
• Partner with Product, Design, Backend, Data, and AI teams on technical strategy and roadmap decisions.
• Drive performance, scalability, security, testing, CI/CD, and observability improvements.

Required Qualifications

• 10+ years mobile development experience and 3+ years in Principal/technical leadership roles.
• Expert Swift, SwiftUI, UIKit, and Combine skills.
• Strong Kotlin/Android knowledge.
• Hands-on experience with Datadog, Adobe Analytics, and Azure DevOps.
• Experience with Git, Fastlane, Firebase, CI/CD, automated testing, and App Store/Google Play releases.
• Strong knowledge of REST APIs, OAuth2, mobile security, accessibility, performance, and scalable architecture.
• Excellent communication and stakeholder management skills.
• Fintech/financial services or consumer mobile experience.
• Experience with mobile payments, identity verification, or push notifications.
• Experience with AI/ML-enabled mobile applications.