Principle Mobile Engineer

Our client, a (Leading financial technology organization), is looking to hire a (Principle Mobile Engineer
) In (West Los Angeles, CA).
Pay Rate Range: $85-$91/hr. on W2, depending on experience
Duration: 9-month contract with possible extension
Job Summary:
We are seeking a Principal Mobile Engineer with deep expertise in iOS development and strong working knowledge of Android, who will drive the design, development, and evolution of AI enabled mobile applications. This role combines hands-on technical leadership, mobile architecture ownership, and mentorship, while partnering closely with Product, Design, Backend, Data, and AI teams.
The ideal candidate is passionate about building secure, scalable, and intuitive mobile experiences, and is excited to apply AI/ML capabilities such as personalization, intelligent automation, and predictive insights directly within mobile products.
Responsibilities: 

• Lead the architecture and development of native iOS applications, ensuring high performance, reliability, and scalability across devices.
• Provide technical direction and code-level leadership for Android development to ensure cross-platform consistency and quality.
• Define and enforce mobile engineering standards, best practices, and reusable components across the mobile ecosystem.
• Implement on-device and cloud-based ML capabilities using modern mobile and backend frameworks.
• Architect and develop native iOS applications using Swift and Swift UI, ensuring performance, scalability, and security.
• Collaborate with cross-functional teams including Product, Design, Backend Engineering, and QA to deliver seamless mobile experiences.
• Lead technical initiatives to improve mobile CI/CD pipelines, crash analytics, and performance monitoring.
• Implement observability and monitoring solutions using tools like Firebase and Xcode Instruments.
• Mentor junior mobile engineers and promote best practices across iOS and Android development.
• Partner with business stakeholders to translate product requirements into scalable mobile solutions.
• Operate in an AI-driven SDLC environment, leveraging tools like GitHub Copilot and Xcode AI integrations
• Implementing and managing Datadog dashboards, Google, and Adobe analytics. monitors, and alerts for mobile applications

Requirements: 

• 10+ years of mobile development experience, with 3+ years in a technical leadership role focused on iOS.
• Expert-level proficiency in Swift, Swift UI, Combine, and UI Kit.
• Working knowledge of Kotlin, and Android architecture components.
• Experience with Azure DevOps, Git, Fastlane, and Firebase.
• Familiarity with App Store and Google Play deployment processes, including TestFlight and internal testing tracks.
• Experience operating in cloud connected mobile architecture (Azure or AWS).
• Strong understanding of RESTful APIs, OAuth2, and mobile security best practices.
• Strong understanding of accessibility standards such as WCAG and ARIA and be able to implement inclusive design practices to ensure mobile applications are usable by people of all abilities.
• Experience in implementing and managing Datadog dashboards, Google, and Adobe analytics. monitors, and alerts for mobile applications.
• Experience with automated testing, unit testing, TDD, and CI/CD pipelines.
• Development Tools: Xcode, Android Studio, Jira, Confluence, Figma.
• Familiarity with mobile analytics, crash reporting, and user behavior tracking.
• Ability to work in a fast-paced, agile environment with AI-enhanced workflows.

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