FLEX Senior Full Stack Software Engineer
Marriott International
Bethesda, MD · Posted November 4, 2026
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Where Bethesda, MD ranks
Where Bethesda, MD placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #9Best all-round cities for mid-career professionals in the Mid-Atlantic62 / 100 · of 37
- #12Best all-round cities for AI careers in the Mid-Atlantic61 / 100 · of 37
- #14Cities with the most jobs that need no experience in the Mid-Atlantic1.4% · of 84
- #18Best cities for pay after cost of living in the Mid-Atlantic$137k · of 37
- #19Best cities for software and engineering jobs in the Mid-Atlantic118 openings · of 68
- #19Best all-round cities for remote workers in the Mid-Atlantic50 / 100 · of 37
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among software developers, AI is already used for some of the tasks. Measured exposure for software developers: 29% (some).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Skills this job asks for
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About the job
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.