Principal Mobile Engineer

Principal Mobile Engineer

Los Angeles, CA

Type: Contract-to-Hire

Category: Development

Industry: Financial Services

Standard Hours: Open

Reference ID: JN -092026-108630

Date Posted: 09/15/2026

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Description:

Hybrid Fully Remote until West LA office opens - then 3x a week onsite in Los Angeles, CA

Our client seeks a Principal Mobile Engineer to lead architecture and hands-on development for iOS with solid Android collaboration. The role owns mobile strategy, engineering standards, and delivery of secure, scalable, and intuitive consumer experiences. You will partner with Product, Design, Backend, Data, and AI teams to ship AI-enabled features such as personalization, intelligent automation, and predictive insights. This position is structured hybrid with an expectation of three days per week in office after the West LA office opens.

This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $70.00 to $75.00/hr. w2

JN -092026-108630

Responsibilities:

• Lead architecture and development of native iOS applications to achieve performance, reliability, security, and scalability.

• Provide technical direction for Android to ensure cross-platform consistency and quality.

• Define and enforce mobile engineering standards, patterns, and reusable components.

• Implement on-device and cloud-based ML capabilities within mobile experiences.

• Develop iOS applications using Swift, SwiftUI, Combine, and UIKit.

• Collaborate with Product, Design, Backend Engineering, Data, AI, and QA to deliver end-to-end solutions.

• Improve CI/CD pipelines and advance crash analytics and performance monitoring.

• Implement observability with Datadog, and use tools including Firebase and Xcode Instruments.

• Mentor engineers and elevate iOS and Android development practices.

• Translate product requirements into scalable, secure mobile solutions.

• Operate in an AI-driven SDLC leveraging tools such as GitHub Copilot and Xcode AI integrations.

• Implement and manage Datadog dashboards, Adobe Analytics, and monitors and alerts for mobile apps.

Experience Requirements:

• 10+ years of mobile development with 3+ years of technical leadership focused on iOS.

• Expert proficiency in Swift, SwiftUI, Combine, and UIKit.

• Working knowledge of Kotlin and Android architecture components.

• Hands-on experience with Azure DevOps, Git, Fastlane, and Firebase.

• Familiarity with App Store and Google Play processes including TestFlight and internal testing tracks.

• Experience with cloud-connected mobile architecture on Azure or AWS.

• Strong understanding of RESTful APIs, OAuth2, and mobile security best practices.

• Proficiency implementing accessibility per WCAG and ARIA for inclusive mobile design.

• Proven experience implementing and managing Datadog dashboards and Adobe Analytics for mobile.

• Experience with automated testing, unit testing, TDD, and CI/CD pipelines.

• Familiarity with mobile analytics, crash reporting, and user behavior tracking.

• Ability to work in an agile environment with AI-enhanced workflows.

• Strong project organization skills including budgeting and scope.

• Strong communication skills.

• Preferred: fintech or consumer mobile experience, knowledge of payments, identity verification, and push systems, and contributions to open source or publications.

• Must be able to work in the U.S. without sponsorship.

• Must meet the Los Angeles, CA location requirement.

Recruitment Transparency Notice

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team ( View email address on click.appcast.io , View phone number on click.appcast.io) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group’s use of these tools, including AI tools, as part of the application and hiring process.

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.

W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.

If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:

· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.

· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.

If you have any indication of fraudulent activity, please contact View email address on click.appcast.io .

About Eliassen Group:

Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.

Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.

Don’t miss out on our referral program! If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check!