FLEX Senior Full Stack Software Engineer

Additional Information Job Number26106676 Job CategoryInformation Technology Location7750 Wisconsin Ave, Bethesda, Maryland, United States, 20814 ScheduleFull Time Located Remotely?Y Position Type Management Pay Range: $48.26-$87.01 per hour Expiration Date: 09/07/2026 This is a temporary position. The assignment duration is through September 6, 2027. JOB SUMMARY As a FLEX Senior Full Stack Software Engineer at Marriott, you will be working on a state of the art React based micro-ui architecture. 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 engineers and QA engineering to build scalable web software that performs well on all modern web browsers and devices. CANDIDATE PROFILE Education and Experience Required Bachelor's degree in computer science, Software Engineering, or a related field preferred (or equivalent experience) 7+ years’ experience in software design and development with expert-level expertise in multiple programming languages like JavaScript, TypeScript, NodeJS, Nextjs, Reactjs Strong experience in designing and developing scalable microservices using modern backend frameworks and cloud-native architectures Knowledge of backend technologies – NodeJS, 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 Preferred 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 architecture 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 CORE WORK ACTIVITIES Develop and maintain Typescript libraries and platform tools for our React / NextJS 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 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. Marriott International is the world’s largest hotel company, with more brands, more hotels and more opportunities for associates to grow and succeed. Be where you can do your best work, begin your purpose, belong to an amazing global team, and become the best version of you.