Lead Engineer – Mobile Platform jobs in United States
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UnitedHealth Group · 1 day ago

Lead Engineer – Mobile Platform

positionLA Metro Area
timeFull-time
remoteOnsite
seniorityLead/Staff
date10+ years exp

UnitedHealth Group is a health care and well-being company dedicated to improving health outcomes and transforming the health system for everyone. The Lead Engineer – Mobile Platform will oversee the design, development, and maintenance of high-performing mobile applications, leading a team of developers and collaborating with cross-functional teams to deliver scalable solutions that meet user requirements.

Health CareHospitalMedicalWellness

Responsibilities

Define and drive the technical roadmap across native (iOS, Android) and cross-platform (React Native) solutions
Implement and optimize AI/ML models for mobile apps using Core ML, TensorFlow Lite, PyTorch Mobile, and ONNX Runtime Mobile
Deliver clean, scalable, and maintainable code in Swift, Kotlin/Java, TypeScript/JavaScript (React Native), and Python for ML workflows
Architect hybrid apps combining React Native with native modules
Leverage Fabric, TurboModules, and Hermes for performance
Enable OTA updates via CodePush, Expo Updates, and ensure smooth CI/CD delivery
Establish SDKs, libraries, and shared components to unify native and RN ecosystems
Optimize AI features for latency, memory, battery usage, and enforce enterprise security standards
Partner with data scientists, backend engineers, and designers to deliver seamless AI-driven user experiences
Provide technical mentorship on both AI/ML and mobile platform engineering
Experiment with generative AI, personalization engines, multimodal models, and their deployment in mobile apps
Design, develop, and deploy AI-powered solutions to address complex business challenges with emphasis on responsible use of AI
Leverage enterprise-approved AI tools to streamline workflows, automate tasks, and drive continuous improvement
Evaluate emerging trends to inform solution design and strategic innovation

Qualification

Mobile platform architectureAI/ML integrationReact Native expertiseCloud & Backend platformsProgramming languagesCI/CD & DevOpsTesting & QAMonitoring & AnalyticsSecurity & PrivacyMentorship & LeadershipInnovationCollaboration

Required

Bachelor's or Master's in Computer Science, Engineering, or related field
10+ years of software engineering experience, with at least 5 years in mobile platform architecture
Experience with programming languages: Mobile: React Native, Kotlin/Java, Cross-platform: JavaScript/TypeScript (React Native), AI/ML: Python (PyTorch, TensorFlow, Hugging Face, ONNX)
Mobile Development Tools & Frameworks experience to include: iOS: Xcode, SwiftUI, UIKit, Combine, Android: Android Studio, Jetpack Compose, Gradle, React Native: RN CLI, Expo, Redux/Context API, React Navigation, Metro bundler
AI/ML Tools & Frameworks experience to include: On-device: Core ML, TensorFlow Lite, PyTorch Mobile, ONNX Runtime Mobile, Training/Serving: PyTorch, TensorFlow, Hugging Face Transformers, Optimization: Quantization, pruning, distillation, TensorRT
Cloud & Backend Platforms experience with AWS SageMaker, GCP Vertex AI, Firebase, Azure AI, GraphQL, REST APIs
CI/CD & DevOps: GitHub Actions, Fastlane, Bitrise, Jenkins, AppCenter, Docker, Kubernetes
Testing & QA experience with: React Native: Jest, Detox, iOS: XCTest, Android: Espresso, E2E: Appium
Monitoring & Analytics experience with Firebase Crashlytics, Sentry, Datadog, New Relic, Mixpanel
Security & Privacy experience with OAuth 2.0, JWT, Keychain/Keystore, secure storage, differential privacy

Preferred

Experience leading large-scale React Native + native hybrid projects
Knowledge of generative AI (LLMs, diffusion models, multimodal) applied in mobile contexts
Contributions to open-source React Native or AI libraries
Expertise in design systems for consistent cross-platform UI
Familiarity with global-scale delivery (internationalization, accessibility, offline-first apps)

Company

UnitedHealth Group

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UnitedHealth Group is a medical insurance company that offers health technology, patient checkups, and pharmacy services.
dateFounded in 1977
location
Minneapolis, Minnesota, USA
people-size10001+ employees
web-link
https://www.unitedhealthgroup.com/

Funding

Current Stage
Public Company
Total Funding
$7.57B
Key Investors
Berkshire Hathaway
2025-08-15Post Ipo Equity· $1.57B
2024-03-22Post Ipo Debt· $6B
2021-08-25Post Ipo Equity

Leadership Team

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Andrew Hayek
Chief Executive Officer
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Wayne DeVeydt
CFO

Recent News

San Francisco Chronicle
Federal prosecutors slam Mangione lawyers’ 'meritless' claims about Bondi’s lobbying ties
2026-01-08
The Motley Fool
Why UnitedHealth Stock Bumped Higher Today
2026-01-07
Investing.com
CVS, UnitedHealth, Cigna accused of diverting billions via shell firms
2026-01-06
Company data provided by crunchbase