Principal Mobile Engineer
Listed on 2026-07-01
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Software Development
App Developer - Mobile/Web, iOS Developer, Android Developer, Software Architect
Principal Mobile Engineer
Location:
Los Angeles, CA
Candidates must currently reside in the Los Angeles, CA area and must not require current or future sponsorship. This is a structured hybrid role requiring a minimum of three days per week onsite. Remote to start until later in the year when it will move to hybrid. Exact location TBD. Seeking a true Principal-level Mobile Engineer with deep expertise in both iOS and Android development.
(Can accept iOS as the main skill set with some knowledge in Android) Candidate must be highly proficient in mobile architecture, design principles, and mobile engineering best practices. Strong experience driving mobile strategy, architecture decisions, and engineering standards across teams. Will be responsible for leading mobile initiatives and influencing the future direction of the mobile platform. Looking for someone who can improve the overall mobile experience through thoughtful design, architecture, scalability, and performance enhancements.
Experience partnering with Product, Design, and Engineering teams to ensure design principles and user experience standards are consistently implemented. AI experience is highly desirable. Team currently leverages Claude and other AI-assisted development tools as part of the software development lifecycle. Experience with consumer-facing mobile applications is strongly preferred. Fintech, banking, payments, or financial services experience is preferred but not required.
Role is approximately 50% hands-on coding and 50% technical leadership, architecture, mentorship, and strategic direction.
Interview Process:
1. Technical Interview (45-60 minutes) 2. Team/Leadership Interview
3. Final Interview Key Areas of Evaluation: iOS expertise (Swift, SwiftUI, UIKit, Combine) Android expertise (Kotlin and Android architecture) Mobile architecture and system design Leadership and technical decision-making Mobile design principles and user experience AI-enabled development practices Communication and stakeholder management
Job Taxonomy:
Sr. Software Engineer
Job Title:
Principal Mobile Engineer
Job Description:
We are looking for talented professionals to join us in bringing smart money management and payment solutions to everyone’s fingertips. This position is classified as structured hybrid, with an expectation of a minimum of three (3) days per week working in the office and flexibility to work remotely on the remaining days. On-site expectations may evolve over time to support business needs, with clear communication provided in advance.
Requirement
This position is open only to candidates who currently reside in one of the following approved locations:
Los Angeles, CA
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.
Key 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 SwiftUI, 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…
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