FLEX Senior Software Engineer - Full Stack

This is a temporary position.

Job Overview

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.

  Key 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.
• 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.
• 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
• 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.

Qualifications Preferred Qualifications Why Marriott

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 locations offer 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, and paid parental leave. 
Washington Applicants Only: Employees will accrue paid sick leave, 0.0384 PTO balance for every hour worked and be eligible to receive 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.