FLEX Senior Software Engineer

This is a temporary position.

The assignment duration is through November 25, 2026.

JOB SUMMARY

The IoT team manages and supports the enterprise IoT ecosystem, including connected device platforms, integrations, security, and operational processes that enable reliable business technology services at Marriott’s headquarters. This role designs, develops, enhances, and supports applications within the Marriott Associate App ecosystem and supporting technology stack. The role partners with vendors and managed Service Providers to deliver scalable, secure, and reliable technology solutions while contributing to the continuous improvement of application performance, stability, and user experience.

CANDIDATE PROFILE

Education and Experience

Required

• 7 years minimum of experience designing, developing, implementing, and supporting enterprise applications in Linux, Windows, Mobile, COTS, and/or cloud-based environments
• Bachelor’s degree or equivalent experience/certifications

CORE WORK ACTIVITIES

• Designs, develops, tests, and supports software solutions within the Marriott Associate App ecosystem
• Implements scalable cloud-based applications and services using Java and related technologies
• Develops and maintains REST and SOAP web services, ensuring security, reliability, and performance across enterprise platforms
• Provides operational support and technical guidance for mobile applications, web applications, and backend systems leveraging RDBMS and distributed environments
• Troubleshoots and resolves complex application, integration, and performance issues across multiple technology platforms
• Manages and optimizes web and mobile application ecosystems, focusing on system integration, performance monitoring, incident resolution, and continuous improvement
• Collaborates with vendors and Service Providers to support delivery, issue resolution, and operational excellence
• Participates in system design, code reviews, testing, deployment, and production support activities
• Researches and evaluates emerging technologies, development frameworks, and industry trends to drive innovation and continuous improvement
• Builds constructive relationships and effectively communicates technical concepts and recommendations to project teams, IT leadership, and non-technical stakeholders
• Leads complex technical problem-solving activities and contributes to cross-functional project delivery
• Collaborates effectively with cross-functional teams and stakeholders, fostering positive working relationships and maintaining a constructive, solution-oriented approach

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.