Your Mission

As a Principal Mobile Engineer at Engine, you will serve as the most senior hands-on technical leader for mobile, shaping the long-term vision and technical foundation of our mobile platform. You will operate as a technical north star across teams, defining architecture, setting standards, and guiding how we build a unified, high-performance mobile experience.

This role sits at the center of our mobile strategy as we scale our travel platform and evolve our mobile-first experience. You will work closely with Product, Design, Web, and Platform teams to align roadmaps, establish consistent patterns, and ensure our mobile investments support both near-term execution and long-term platform health. Using React Native, with the ability to go deep into native iOS and Android when needed, you will influence architecture across multiple teams while remaining deeply hands-on.

Here’s what you’ll take charge of

• Set Technical Direction: Own the long-term architectural vision for Engine’s mobile applications, ensuring scalability, performance, reliability, and maintainability as the platform grows.
• Lead High-Impact Development: Act as a principal hands-on contributor on complex, high-visibility initiatives, setting the standard for engineering excellence and execution quality.
• Drive Platform Alignment: Partner across mobile, web, and platform teams to create cohesive architectures, shared patterns, and a consistent user experience.
• Establish Standards and Systems: Define frameworks, development practices, and architectural patterns that enable teams to move faster while maintaining a high bar.
• Shape Strategy and Roadmaps: Collaborate with product and design leadership to influence sequencing, investment areas, and technical strategy for mobile.
• Champion Engineering Excellence: Lead architecture reviews, guide performance optimization efforts, identify technical risks, and raise the overall technical bar.
• Mentor and Multiply Impact: Coach and mentor Staff and Senior Engineers, helping grow future technical leaders and scaling your impact through others.
• Serve as a Mobile Authority: Act as a subject matter expert for mobile across the organization, advising on platform decisions, trade-offs, and long-term evolution.

What You’ll Bring to Engine

• Experience: 10+ years building and scaling mobile applications, including ownership of large, production-grade mobile platforms.
• Technical Leadership: Deep expertise in React Native, strong mobile architecture skills, and a proven ability to design systems that scale across teams and products.
• Platform Depth: Experience with native iOS (Swift/SwiftUI) and/or Android (Kotlin/Jetpack), including performance tuning and native module development.
• Organizational Influence: A track record of leading complex initiatives, aligning stakeholders, and driving technical direction through influence rather than authority.
• Systems Mindset: Strong architectural judgment, comfort operating in ambiguity, and a bias toward durable, reusable solutions.
• People Impact: Demonstrated success mentoring senior engineers, shaping technical culture, and raising the bar across an organization.

Applications for this role will be accepted through 3/25/2026 or until the role is filled. We encourage you to apply early, as we may begin reviewing applications before the deadline