{"id":3003782,"url":"https://alion.io/job/marriott-international-flex-senior-full-stack-software-engineer","title":"FLEX Senior Full Stack Software Engineer","company":{"id":800,"name":"Marriott International","domain":"marriott.com","url":"https://alion.io/company/marriott-international","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Oracle","truth_index":{"grade":"B","score":78,"open_postings":11,"ghost_share":0.273,"stale_share":0,"repost_share":0.727,"time_to_fill_p50_days":3,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bethesda, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":108000,"max_usd":201000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3667},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"ChatGPT","optional":false},{"name":"CI/CD","optional":false},{"name":"Claude","optional":false},{"name":"Dynatrace","optional":false},{"name":"Figma","optional":false},{"name":"Git","optional":false},{"name":"GraphQL","optional":false},{"name":"JavaScript","optional":false},{"name":"Jenkins","optional":false},{"name":"Jest","optional":false},{"name":"JUnit","optional":false},{"name":"Mocha","optional":false},{"name":"Mockito","optional":false},{"name":"Next.js","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"Webpack","optional":false},{"name":"Java","optional":true},{"name":"Kotlin","optional":true}],"status":"live","first_seen_at":"2026-10-07T18:10:09Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-30T08:08:46Z","board_verified":true,"closed_at":null,"days_open":22,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":22},"description":"This is a temporary position.\nThe assignment duration is through September 6, 2027.\nJOB SUMMARY\nAs 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.\nCANDIDATE PROFILE\nEducation and Experience\nRequired\nBachelor's degree in computer science, Software Engineering, or a related field preferred (or equivalent experience)\n7+ years’ experience in software design and development with expert-level expertise in multiple programming languages like JavaScript, TypeScript, NodeJS, Nextjs, Reactjs\nStrong experience in designing and developing scalable microservices using modern backend frameworks and cloud-native architectures\nKnowledge of backend technologies - NodeJS, Java, SQL, NoSQL, Spring boot, Kafka\nExperience using GraphQL and REST for building robust APIs and service integrations\nExperience with Automation, CI/CD, Release Management processes and Application Deployments\nExposure to Agentic GenAI development tools like Claude, ChatGPT, or other tools\nExperience in building enterprise-scale web applications using micro front-end architecture\nExperience in developing software using front-end libraries/frameworks-primarily React\nExperience in customizing webpack configurations and writing custom plugins to bundle code as UMD bundle for isomorphic consumption\nStrong knowledge in performance optimization techniques across both front-end and microservice layers\nExperience in using Jest, Jasmine, Mocha, and JUnit with Mockito for unit and integration testing\nPreferred\nExperience in agentic GenAI development tools like Claude, ChatGPT or other tools\nExperience with Figma, Adobe Experience Manager or Headless CMS platforms\nFamiliarity with DevOps & Monitoring tools such as Git, JIRA, Jenkins, Harness, and Dynatrace\nDemonstrated UI implementation skills, supported by a portfolio showcasing attention to typography, color, imagery, motion, and graphic elements\nProficiency in developing custom reusable components using Atomic Design principles\nExperience integrating Adobe Experience Manager (AEM) with React components in both headful and headless architecture\nBackground in working with multi-repository code bases\nAbility to write deployment configurations\nAwareness of industry developments, best practices, and environments in web application design and development\nStrong verbal and written communication skills, with the ability to present complex technical ideas in clear business terms\nCORE WORK ACTIVITIES\nDevelop and maintain Typescript libraries and platform tools for our React / NextJS applications\nDeep 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\nCollaborate with cross-functional teams to design and implement user-friendly features for all form factors\nOptimize applications and services for maximum speed, scalability, and reliability\nEnsure the technical feasibility of UI/UX designs and propose alternative solutions when needed\nParticipate in code reviews to maintain code quality and consistency\nTroubleshoot and debug issues across the stack as they arise\nStay up to date with the latest front-end and microservice technologies and best practices\nMentor and provide guidance to junior developers\nCommunicate effectively with team members, stakeholders, and clients\nAt 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. 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