Marriott International

Principal Engineer, Web Platform

Marriott International$130K — $160K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 7+ years of software design and development experience, with expertise in JavaScript, TypeScript, NodeJS, Next.js, React.js.
  • 5+ years of experience with Java and Spring Boot microservices.
  • Strong knowledge of performance optimization techniques and building enterprise-scale web applications.
  • Experience using GraphQL and REST APIs.
  • Hands-on experience with front-end frameworks, ideally React, and testing tools like Jest and Mocha.
  • Familiarity with GenAI development tools such as Claude or ChatGPT.

Responsibilities

  • Develop and maintain TypeScript libraries for React/Next.js applications.
  • Create and manage microservices for Next.js renderers using Java Spring Boot.
  • Collaborate with cross-functional teams to design and implement intuitive features across devices.
  • Optimize applications for peak performance and scalability.
  • Propose UI/UX design solutions and evaluate technical feasibility.
  • Conduct code reviews to uphold code quality and consistency.
  • Mentor junior developers and provide guidance to enhance their skills.

Benefits

  • Opportunity to work on cutting-edge React-based micro-frontend architecture.
  • Collaborative working environment with cross-functional team members.
  • Access to mentorship and guidance for personal development.
  • Engagement with the latest technologies and industry best practices.
Full Job Description
Job Description

Job Overview

As a Principal Web Platform Engineer at Marriott, you will be working on a state of the art React based micro-frontend architecture with Spring Boot Microservices. You will create and maintain new GenAI tools to create components and workflows used by our Application Engineers. You will work with performance engineers, QE Engineers, and lead developers to enhance the way all developers at Marriot Digital deliver products. 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.


  • Develop and maintain Microservices for NextJS renderers in Java SpringBoot.


  • 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


  • 5+ years experience with Java and Springboot microservices.


  • Exposure to agentic GenAI development tools like Claude, ChatGPT or other tools


  • 5+ years hands-on experience with application development.


  • Experience in building enterprise scale web applications using micro front-end architecture


  • Experience in developing software using Front-end libraries/frameworks - primarily React


  • Strong knowledge in performance optimization techniques


  • Experience in using Jest, Jasmine, Mocha, and Junit


Preferred Qualifications

  • Experience in agentic GenAI development tools like Claude, Cursor, 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


  • Background in working with multi-repository code bases


  • Ability to write deployment configurations


  • Experience with deployment tools like HelmCharts & Github Actions or similar tools.


  • 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


About Marriott International

Marriott International is a hospitality company with more than 3,900 properties around the world. Marriot International opened its first hotel in 1957 and operates franchises worldwide. The company’s headquarters is based in Maryland and employees nearly 200,000 people worldwide.   The company was founded by J. Willard and Alice Marriott in 1927 by opening a root beer stand in Washington D.C.

Marriott International Careers

Join the vibrant team at Marriott International, the global leader in hospitality, where career opportunities abound and the potential for growth is limitless. As part of our commitment to innovation and leadership in the industry, we are continuously seeking passionate, creative, and driven individuals to join our diverse team. Work You’ll Do At Marriott International, you will be part of a culture that values diversity, leadership, and professional development. Engage in meaningful work that enhances the travel experience of each guest while fostering a positive environment where all team members can thrive. Our team at Marriott International leads the way in delivering exceptional service and innovative hospitality solutions. With a variety of job opportunities ranging from front-line roles to executive positions, you can find the perfect match for your skills and career ambitions. Marriott International’s commitment to growth and innovation means we are always on the lookout for dynamic professionals to join our team. Whether you are seeking your first job, looking for a challenging leadership role, or aiming to specialize in hospitality management, Marriott offers unparalleled employment opportunities. Internship and Training Programs Kickstart your career with Marriott International’s internship programs. These opportunities provide invaluable industry experience and a chance to develop essential skills in a real-world setting. Interns at Marriott are treated as integral members of the team and are involved in projects that make a tangible impact on the company. In addition to internships, we offer comprehensive diversity training and professional development programs that prepare you for future leadership roles within the company. Our training programs are designed to enhance your capabilities and ensure you are equipped to meet the challenges of the evolving hospitality landscape. Benefits and Career Growth Marriott International believes in rewarding our employees for their dedication and hard work. We offer a competitive benefits package that includes health, vision, and dental insurance, employee discounts, and more. Moreover, we are committed to the professional growth of our employees. Career advancement at Marriott is not just a possibility—it is a priority. Join Our Team Explore the wide range of job opportunities at Marriott International. We are hiring across various departments, including management, customer service, culinary arts, and more. Bring your unique skills and perspective to our team, and help us continue to innovate and lead in the hospitality industry. Networking and Professional Development Stay connected and advance your career through Marriott’s extensive networking opportunities. Our professional community is designed to foster connections that can lead to career advancement and personal growth. Engage with leaders, gain industry insights, and build relationships that will support your career aspirations. Apply Now Ready to take the next step in your career? Search open positions that match your skills and interests on the Marriott Careers page. We look for individuals who are curious, team-oriented, and committed to excellence. Prepare your resume, sharpen your interview skills, and join one of the most respected names in the global hospitality industry. Stay Up to Date Keep informed with the latest career tips, company news, and industry insights from Marriott International. Join our community and discover how you can contribute to the world of hospitality and beyond. Explore job opportunities, embrace professional growth, and become part of a company that values innovation and leadership. At Marriott International, your career journey is just beginning.
Learn more about Marriott International
Size
120,000 employees
Market Cap
$46.5 billion
Industry
Net Income
-$267 million
Founded
1927
5 Year Trend
-2.1%
Revenue
$10.5 billion
NASDAQ

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