SR Principal Mobile Architect (KMP, SDUI)

Position Purpose:

As a Senior Principal Engineer, you will serve as the chief technical architect and visionary leader for our Mobile App Renovation Strategy (MARS). You will define the future of our high-performance, modular, and intelligent mobile ecosystem. This role demands a world-class engineer who is deeply technical, possesses an extensive background in native mobile development and server-side orchestration, and can champion innovative AI-first software development. You will report directly to senior technology leadership and lead cross-functional feature and platform teams to build our next-generation architecture. We are seeking a visionary leader who will not only build the platform but will also aggressively drive AI-first software development. You will establish, steer, and inspire our AI Tiger Team and directly influence how engineering teams utilize artificial intelligence throughout the software development lifecycle (SDLC).

Apply below after reading through all the details and supporting information regarding this job opportunity.

Key Responsibilities:

• 50% Delivery and Execution - Leads portfolio level Principal meetings to maintain alignment, consistency and knowledge sharing; Creates and architects foundational code elements that can be reused across a portfolio; Develops POCs with new technologies and paves the way for portfolio adoption; Tracks and monitors efficient usage of cloud resources and drives cost reduction opportunities and enhancements
• 10% People - Acts as a point of escalation for teams facing extremely complex challenges; Presents at and attends conferences and learns how to apply new technologies and concepts; Provides leadership, mentoring, and coaching to direct reports; Conducts annual and mid-year reviews, reviewing individual development plans and providing performance feedback; Attracts, retains, develops, and motivates top talent
• 15% Strategy and Planning - Works with a Distinguished Engineer to define technology solutions (open source or vendor) teams should be exploring and/or leveraging; Works across local teams to unify strategy and alignment; Identifies and removes potential roadblocks & bottlenecks across large cross-functional projects and initiatives; Participates in and influences development of technology roadmaps within a given portfolio; Drives thought leadership and innovation within a given portfolio
• 25% Support and Enablement - Point of escalation for high-priority issues and outages as they arise; Fields questions from project, product, and support teams; Helps solve technology disputes across local teams; Works with vendors to help identify and implement feature enhancements in software products; Evangelizes successful usage of tooling and technology with local teams

Direct Manager/Direct Reports:

• This position reports to various individuals
• This position has 4-6 direct reports

Travel Requirements:

• Typically requires overnight travel 5% to 20% of the time

Preferred Qualifications:

• 10+ years of software engineering experience, with at least 4+ years leading architecture in a Principal or Senior Principal capacity for a major consumer-facing mobile application.
• Transformation Track Record: Proven track record of executing a major technology renovation or modernization strategy (preferably containing SDUI, KMP, and GraphQL BFF elements).
• Distributed Systems Mastery: Expert knowledge of microservices, server-side GraphQL patterns, and high-performance, multi-layered JVM in-memory caching.
• AI Expertise: Practical, hands-on experience using GenAI APIs, LLM prompt engineering, and code-generation tools/agents to accelerate development.
• Leadership & Influence: Outstanding communication and presentation skills, with a proven history of writing technical white papers, presenting architecture to executive leadership, and driving technical alignment across large engineering organizations (50+ engineers).

Tech Stack

• Kotlin Multiplatform (KMP): Architecting shared business logic layers.
• Server-Driven UI (SDUI): Designing extensible layout engines to dynamicize screen rendering.
• Native Platforms: Proficient in Android (Kotlin, Jetpack Compose) and iOS (Swift, UIKit, SwiftUI).
• GraphQL & Federation: GraphQL (Netflix DGS) and GraphQL Federation layers.
• Backend Stacks: Spring Boot 3.5, Java 21, REST APIs, and microservices integrated with core services like SearchNav, ProductGateway, and TypeAhead
• Automated unit and integration testing using JUnit 5, XCTest, MockK, Espresso, and XCUITest.
• Visual regression testing with Paparazzi and Shot.
• Mobile-specific delivery pipelines including Bitrise, Fastlane, TestFlight, and Firebase App Distribution.
• Automated security practices including Static (SAST) and Dynamic (DAST) Application Security Testing.
• Performance instrumentation using New Relic, GCP Cloud Monitoring, Prometheus, and distributed tracing spanning hybrid mobile-to-backend journeys.

**Pay may vary based on education and experience. xhyhwjd Full benefits and PTO provided.