Senior Mobile App Developer – iOS & Android

Compensation \& Location

Location:

Torrance, CA

Pay Range:

$55\.00 – $62\.00 per hour (based on experience and internal equity)

Schedule:

Full-time, contract; long-term opportunity

Work Type:

Onsite

Benefits:

Health, Vision, Dental, Life Insurance, 401k, Continuing and on-demand education

📍 Must be willing to work onsite in Torrance, CA (LA County)

✅ Sponsorship is available for this role

‼️ ONLY W2 – NO CORP to CORP – NO 3rd Parties

Position Overview

We are seeking a

Senior Mobile App Developer

to help deliver innovative digital experiences that enhance customer engagement. This role will lead development and architecture for enterprise mobile applications across

Android and iOS platforms

, integrating with enterprise systems and automotive technologies such as

CarPlay and Android Auto

.

The ideal candidate brings strong experience in

native mobile development, API integration, and scalable mobile architecture

, along with the ability to collaborate across product, design, and backend engineering teams.

Key Responsibilities

Mobile Architecture \& Development

• Design and develop scalable mobile solutions across iOS and Android platforms
• Lead development using

Kotlin/Java for Android

and

Swift/Objective-C for iOS

• Build secure integrations with enterprise services and APIs

Platform Integration

• Integrate mobile apps with

RESTful APIs, OAuth, JWT authentication, and third-party SDKs

• Implement and maintain

Apple CarPlay and Android Auto

integrations

• Support real-time communication using

MQTT

and related technologies

Quality \& Performance

• Conduct code reviews and maintain high engineering standards
• Debug performance issues and optimize mobile applications
• Support production troubleshooting and system reliability

Collaboration \& Leadership

• Mentor and guide mobile development team members
• Work with product managers, designers, and backend engineers
• Maintain technical documentation and development standards

Required Qualifications

• 4\+ years of mobile or smartwatch app development experience
• Expertise in

native Android (Kotlin/Java)

and

iOS (Swift/Objective-C)

development

• Experience integrating

REST APIs and authentication protocols (OAuth, JWT)

• Experience implementing

CarPlay and Android Auto

• Experience debugging and optimizing mobile application performance
• Experience integrating

third-party SDKs

• Familiarity with

MQTT or real-time communication frameworks

• Strong communication and collaboration skills

Preferred Qualifications

• Experience with

React Native or Flutter

• CI/CD pipelines for mobile applications
• Mobile security best practices
• Agile or Scrum development environments
• Automotive or connected vehicle digital services experience
• Big 4 consulting experience