
About Us
Marriott is a world leader in hospitality. Offering the most powerful portfolio in the industry, our 31 brands and 8,500+ properties across 138 countries and territories give people more ways to connect, experience and expand their world. Diversity and inclusion are fundamental to our core values and strategic business goals. Taking care of people and their well-being is our most precious cultural inheritance.
As a Principal Web Platform Engineer at Marriott, you will be working on a state of the art React based micro-frontend architecture. You will work with new GenAI tools to create components and workflows used by our Application Engineers. You will help build the next generation hospitality web portal to assist our customers in traveling the world for work and pleasure. You will work with product owners, UX, back-end/front-end engineers and QA engineering to build scalable web software that performs well on all modern web browsers and devices.
Key Responsibilities
Develop and maintain Typescript libraries and platform tools for our React / Next.JS applications
Collaborate with cross-functional teams to design and implement user-friendly features for all form factors.
Optimize applications for maximum speed and scalability.
Ensure the technical feasibility of UI/UX designs. Be ready to propose alternative solutions.
Participate in code reviews to maintain code quality and consistency.
Troubleshoot and debug issues as they arise.
Stay up to date with the latest front-end technologies and best practices.
Mentor and provide guidance to junior developers.
Communicate effectively with team members, stakeholders, and clients.
Qualifications
7+ years’ experience in software design and development with expert level expertise in multiple programming languages like JavaScript, TypeScript, NodeJS, Next.js, React.js
Experience using GraphQL and REST
Exposure to agentic GenAI development tools like Claude, ChatGPT or other tools
5+ years hands-on experience with application development tools and content management systems like Adobe Experience Manager
Experience in building enterprise scale web applications using micro front-end architecture
Experience in developing software using Front-end libraries/frameworks - primarily React
Experience in customizing webpack configurations and writing custom plugins to bundle code as UMD bundle for isomorphic consumption
Strong knowledge in performance optimization techniques
Experience in using Jest, Jasmine, Mocha, and Junit with Mockito
Preferred Qualifications
Experience in agentic GenAI development tools like Claude, ChatGPT or other tools
Experience with Figma, Adobe Experience Manager or Headless CMS platforms.
Familiarity with DevOps tools such as Git, JIRA, Jenkins, Harness, and Dynatrace
Demonstrated UI implementation skills, supported by a portfolio showcasing attention to typography, color, imagery, motion, and graphic elements
Proficiency in developing custom reusable components using Atomic Design principles
Experience integrating Adobe Experience Manager (AEM) with React components in both headful and headless architectures
Background in working with multi-repository code bases
Ability to write deployment configurations
Awareness of industry developments, best practices, and environments in web application design and development
Strong verbal and written communication skills, with the ability to present complex technical ideas in clear business terms
Why Marriott
Competitive salary, bonus, and benefits package.
Opportunity to work on innovative projects and technologies.
Collaborative and inclusive work environment.
Professional growth and development opportunities.
Flexible work schedule and remote work options.
Travel and hospitality tech is fun, and it's a good mission.
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, Inc. is based in Bethesda, Maryland, USA, and encompasses a portfolio of approximately 9,000 properties across more than 30 leading brands in 141 countries and territories.
Its heritage can be traced to a root beer stand opened in Washington, D.C., in 1927 by J. Willard and Alice S. Marriott.
Marriott International is an equal opportunity employer committed to hiring a diverse workforce and sustaining an inclusive culture. Marriott International does not discriminate on the basis of disability, veteran status or any other basis protected under federal, state or local laws.
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