Principal Mobile Engineer
Los Angeles, CA
Category: Development
Industry: Financial Services
Standard Hours: Open
Reference ID: JN -092026-108630
Date Posted: 09/15/2026
Shortcut: http://careers.eliassen.com/QOI0AZ
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.
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 fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
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, as indicated above