Serves as a technical subject matter expert (SME) for the Android Platform and provides strategic technical advisory and hands-on support for the Marriott Bonvoy app towards organizational and departmental goals. Helps define the Target Architecture for the Platform and advises on the Mobile Platform Roadmap and priorities. Serves on the Mobile Platform Team and regularly delivers high-impact code. Leads architecture and framework initiatives. Partners with other Principal Engineers, Engineering Directors, Enterprise Architecture and squad Tech Leads to advise on solutioning for major features and adherence to architecture and security standards - helping to solve the most complex problems while resulting in high-quality output. Performs code reviews and coaches developers. Provides recommendations for improvements around workflow, tools and standards. Stays abreast of the platform ecosystem to remain an expert authority on OS and device capabilities and possibilities. Researches and explores other tools, solutions, frameworks, etc. and how the industry and community at large are using them. Leads proof of concepts and helps to objectively assess technologies against goals and constraints. Educates the mobile engineering community, internal and external.