Senior Software Engineer – Full Stack Web Platform

Marriott Hotels Resorts•Bethesda, MD

12d

About The Position

As a Senior Full Stack Software Engineer at Marriott, you will be working on a state-of-the-art React-based micro-frontend architecture. You will collaborate 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 designers, back-end/front-end engineers, and QA teams to build scalable web software that performs well on all modern web browsers and devices. In addition to front-end development, you will contribute to the design and implementation of microservices that power our platform, ensuring modular, maintainable, and high-performance backend systems.

Requirements

7+ years’ experience in software design and development with expert-level expertise in multiple programming languages like JavaScript, TypeScript, NodeJS, Next.js, React.js.
Strong experience in designing and developing scalable microservices using modern backend frameworks and cloud-native architectures.
Knowledge of backend technologies – Node.JS, Java, SQL, NoSQL, Spring boot, Kafka
Experience using GraphQL and REST for building robust APIs and service integrations.
Experience with Automation, CI/CD, Release Management processes and Application Deployments
Exposure to agentic GenAI development tools like Claude, ChatGPT, or other tools.
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 across both front-end and microservice layers.
Experience in using Jest, Jasmine, Mocha, and JUnit with Mockito for unit and integration testing.

Nice To Haves

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 & Monitoring 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

Responsibilities

Develop and maintain Typescript libraries and platform tools for our React / Next.JS applications.
Deep understanding of the cloud-native solution, microservices-architecture, and at least one or more of the following areas: API orchestration architecture, mobile-front end architecture
Collaborate with cross-functional teams to design and implement user-friendly features for all form factors.
Optimize applications and services for maximum speed, scalability, and reliability.
Ensure the technical feasibility of UI/UX designs and propose alternative solutions when needed.
Participate in code reviews to maintain code quality and consistency.
Troubleshoot and debug issues across the stack as they arise.
Stay up to date with the latest front-end and microservice technologies and best practices.
Mentor and provide guidance to junior developers.
Communicate effectively with team members, stakeholders, and clients.