Skip to main content
My Job Page
Globe Icon An icon representing a globe

Principal Engineer (Director) - Mobile Engineering

Marriott International HQ
Apply Now
Back to Search

Serves as the technical leader for integrating AI across native iOS and Android engineering teams. Drives adoption and effective use of AI-enabled capabilities throughout the Agile delivery workflow—enabling engineers to leverage technologies such as Cursor, LLM-based IDE integrations (Xcode, Android Studio), and emerging AI developer tooling across the software development lifecycle. Champions a culture of rapid learning, experimentation, and collaborative engagement, ensuring actionable feedback informs evolving strategies and implementation plans. 

  

Partners closely with Principal Engineers, Engineering Directors, Enterprise Architecture, and squad Tech Leads to advise on complex technical challenges—producing high-quality, scalable, and secure solutions. Conducts solution reviews, provides hands-on coaching, and recommends improvements to development patterns, workflows, tools, and standards. 

 

Beyond AI initiatives, this role also leads core mobile engineering practices—architecting scalable iOS and Android solutions, optimizing performance, and ensuring code quality and security. Guides teams through complex integrations, modernization initiatives, and platform-specific challenges while partnering with feature teams and UX to deliver intuitive, high-performing experiences. 

  

Excels at communicating complex concepts clearly and effectively—both in writing and in presentations tailored to technical and executive audiences. Maintains a strategic mindset that continuously reinforces the broader organizational context, building actionable plans that guide teams toward aligned and measurable outcomes. 

  

Stays current with the rapidly evolving AI and Mobile ecosystems to remain a trusted authority on emerging capabilities and industry best practices. Researches new tools, frameworks, and models, assessing them objectively against business goals and constraints. Leads proof-of-concept efforts and educates the broader mobile engineering community internally and externally. 

 

 

CANDIDATE PROFILE 

Education and Experience 

Required: 

  • 10+ years of hands-on native mobile application development (iOS or Android) 

  • Demonstrated experience integrating AI tools (e.g., Cursor or similar, LLMs) into mobile development workflows 

  • Demonstrated ability to rapidly learn and operationalize new technologies  

  • Track record of leading technical teams and delivering results in Agile environments 

  • Strong technical expertise in mobile development and AI-assisted developer tools  

  • Undergraduate or graduate degree in a technical field, or equivalent experience 

Preferred: 

  • Demonstrated success leading cross-functional and/or transformation initiatives 

  • Excellent written and verbal communication skills; able to present to technical and executive audiences 

  • Experience facilitating working groups, community forums, or feedback-driven process evolution 

CORE WORK ACTIVITIES 

AI Strategy & Tool Integration 

  • Define and drive an evolving strategy for AI adoption within mobile engineering 

  • Lead integration of AI tooling across ideation, coding, testing, and code review 

  • Establish and maintain best practices for AI-assisted development (e.g., “Rules” in Cursor) tailored to iOS and Android 

  • Ensure appropriate code-quality, privacy, and IP safeguards when integrating AI tooling 

  • Leverage MCP Servers to extend AI integration across various tools 

  • Promote spec-driven development to ensure AI-generated code aligns with clearly defined contracts, behaviors, and acceptance criteria; encourage developers to use structured specifications to guide prompt engineering, code generation, and automated validation 

Collaboration & Guidance 

  • Create and lead a working group to gather input, share learnings, and provide ongoing direction 

  • Foster an inclusive environment that encourages peer contribution to process and tool evolution 

  • Communicate strategy, progress, and outcomes to developers, leaders, and digital executives 

Continuous Improvement 

  • Monitor, measure, and refine processes to ensure AI enables creativity, innovation, and efficiency 

  • Continuously incorporate feedback and industry trends to keep tooling and approaches current and effective 

  • Objectively assess emerging technologies through prototypes and proof of concepts 

EXPECTED OUTPUTS 

  • A comprehensive, living strategy for AI adoption—accessible to both developers and executives 

  • Documented best practices and evolving processes for AI-assisted workflows 

  • Platform-specific coding guidelines and rule sets for AI tools (e.g., Cursor) supporting iOS and Android development 

  • Defined metrics and KPIs that quantify adoption, efficiency gains, quality improvements, and developer experience outcomes

 

At Marriott International, we are dedicated to being an equal opportunity employer, welcoming all and providing access to opportunity. We actively foster an environment where the unique backgrounds of our associates are valued and celebrated. Our greatest strength lies in the rich blend of culture, talent, and experiences of our associates.  We are committed to non-discrimination on any protected basis, including disability, veteran status, or other basis protected by applicable law. 

All positions offer a 401(k) plan, stock purchase plan, discounts at Marriott properties, commuter benefits, employee assistance plan, and childcare discounts.  Benefits are subject to terms and conditions, which may include rules regarding eligibility, enrollment, waiting period, contribution, benefit limits, election changes, benefit exclusions, and others. Click here to learn more.

Full-time positions also offer coverage for medical, dental, vision, health care flexible spending account, dependent care flexible spending account, life insurance, disability insurance, accident insurance, adoption expense reimbursements, paid parental leave and educational assistance. 

Washington Applicants Only: Employees will accrue paid sick leave, 0.077 PTO balance for every hour worked and be eligible to receive a minimum of 9 holidays annually.

Marriott HQ is committed to a hybrid work environment that enables associates to Be connected.  Headquarters-based positions are considered hybrid, for candidates within a commuting distance to Bethesda, MD; candidates outside of commuting distance to Bethesda, MD will be considered for Remote positions.

Marriott International is the world’s largest hotel company, with more brands, more hotels and more opportunities for associates to grow and succeed. Be where you can do your best work,​ begin your purpose, belong to an amazing global​ team, and become the best version of you.