FLEX Senior Software Engineer

Posted An Hour Ago
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Bethesda, MD, USA
In-Office
Senior level
Travel
The Role
Lead Android platform development for the Marriott Bonvoy app using Kotlin and Kotlin Multiplatform. Design, build, and maintain scalable mobile solutions, provide technical guidance, mentor engineers, resolve complex issues, and coordinate delivery with product, architecture, QA, operations, infrastructure, vendors, and service providers. Oversee mini-projects, ensure governance and delivery standards, support deployments, and improve service processes.
Summary Generated by Built In

This is a temporary position
The assignment duration is through 10/21/2027


JOB SUMMARY

Are you ready to make a real impact with your code? As a key technical contributor on our Android Platform Team, you’ll play a pivotal role in advancing the Marriott Bonvoy app, driving innovation and excellence across our feature teams.

You’ll collaborate with top-tier talent—including Principal Engineers, Engineering Directors, Solution Architects, Product Leads, UX Designers, QA Engineers and more — to deliver high-impact solutions that matter. Your work will directly support our strategic goals, blending hands-on development with technical advisory responsibilities.

In this role, you’ll collaborate with Product Owners and serve as a part of technical workgroups, acting as a go-to expert for complex, non-routine challenges. You’ll dive into research, design, and implementation of cutting-edge capabilities that meet both current and future developer and user needs. 

Define and build the next evolution of mobile solutions that elevate the Marriott experience. You’ll oversee various mini-projects, ensuring they’re delivered on time and within scope —while leveraging the latest technologies in innovative and meaningful ways.

If you're passionate about crafting elegant code, solving real-world problems, and working in a dynamic, collaborative environment, we’d love to meet you.


CANDIDATE PROFILE

Education and Experience

 

Required

  • Bachelor’s degree or equivalent experience/certification
  • 7+ years’ experience in software development with expert level expertise in multiple programming languages and methodologies
  • 3+ years hands-on experience with Android native application development languages, frameworks and tools (e.g., Kotlin, Java)
  • Demonstrated expertise in designing, developing, and maintaining scalable applications using Kotlin and Kotlin Multiplatform (KMP) to deliver cross-platform solutions efficiently
  • Technology leadership experience in a feature team
  • Strong verbal and written communication skills with the ability to articulate complex technical ideas in easy-to-understand business terms

Preferred

  • Experience developing apps for large, critical user bases
  • Experience contributing to the development and maintenance of SDKs and libraries, focusing on usability and reliability for client applications
  • Proficient understanding of Android Architecture components (Jetpack Compose, Data Binding, etc.)
  • Strong architectural mindset and experience working with MVVM/MVI design patterns
  • Expertise in multithreading techniques and hands on experience with Coroutines or RxJava.
  • Solid understanding of caching mechanisms, data management and storage solutions (Room, SQLite, etc.)
  • Excellent knowledge of working with dynamic data using services (e.g., JSON, REST APIs, GQL, etc.)
  • Experience with unit testing and Android testing frameworks such as Espresso
  • Experience with Data Modeling, Networking, and Push Notification frameworks
  • Experience with Android Wear technologies
  • Experience in Agile software methodologies such as Scrum or SAFe
  • Experience with DevOps tools such as Git, JIRA, Jenkins, Dynatrace
  • Active contributions to OSS projects
  • Relevant technology certifications
  • Experience with 3rd Party SDK integrations such as Google Maps and other open source libraries
  • Experience packaging and publishing applications on Google Play
  • Experience with Android analytics, crash reporting, testing and other peripheral frameworks
  • Understanding of latest trends in mobile and web technologies
  • Demonstrated understanding of mobile industry trends, development products and environments as well as best practices for mobile application design and development
  • Demonstrated ability to anticipate future software engineering opportunities
  • Ability to accomplish results through others, particularly by establishing relationships, effective controls and leading in a managed service environment

CORE WORK ACTIVITIES


Technical Leadership

  • Trains and/or mentors other team members, and peers as appropriate
  • Identifies opportunities to enhance the service delivery processes.

Delivering Technology

  • Performs more complex quantitative and qualitative analyses for service delivery processes and projects.
  • Facilitates achievement of expected deliverables and obligations of Services Providers
  • Validates completeness of requirements prior to Service Provider solutioning
  • Ensures all projects follow the defined development and business case processes
  • Ensures proper coordination with appropriate IT and vendor relations teams
  • Provides consultation for routine and complex systems development
  • Ensures early warning to the business stakeholder executives regarding degraded or missed service levels
  • Coordinates with Operations and Infrastructure teams for deployment and production support activities

IT Governance

  • Follows all defined IT standards and processes (i.e., IT Governance, SM&G, Architecture, etc.), and provides input for improvements to the appropriate process owners as needed
  • Maintains a proper balance between business and operational risk
  • Follows the defined project management standards and processes

Service Provider Management

  • Validates that Service Providers develop and manage respective aspects of a project plan, including schedules, deliverables, and appropriate metrics.
  • Makes short term plans for the team to effectively utilize resources
  • Monitors Service Provider outcomes
  • Reviews estimates of work effort for client project provided by Service Providers for accuracy
  • Facilitates timely resolution of service delivery problems and minimizes the impact to 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. 

About Us
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 Headquarters (HQ) supports a hybrid work environment that helps associates Be Connected. HQ based roles are generally hybrid and require regular in-office presence at the assigned location, including for candidates who live within commuting distance of HQ for a role listed as remote. Remote roles will be clearly identified in the job posting.
About the TeamMarriott 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.

Skills Required

  • Bachelor's degree or equivalent experience or certification
  • 7+ years of software development experience
  • Expert-level expertise in multiple programming languages and methodologies
  • 3+ years of hands-on Android native application development experience
  • Experience with Kotlin and Kotlin Multiplatform for scalable cross-platform applications
  • Technology leadership experience within a feature team
  • Strong verbal and written communication skills
  • Experience developing applications for large, critical user bases
  • Experience developing and maintaining SDKs and libraries
  • Proficiency with Android Architecture components, including Jetpack Compose and Data Binding
  • Experience with MVVM or MVI design patterns
  • Expertise in multithreading, Coroutines, or RxJava
  • Understanding of caching, data management, Room, or SQLite
  • Experience with JSON, REST APIs, or GraphQL
  • Experience with unit testing and Android testing frameworks such as Espresso
  • Experience with data modeling, networking, and push notification frameworks
  • Experience with Android Wear technologies
  • Experience with Agile methodologies such as Scrum or SAFe
  • Experience with Git, JIRA, Jenkins, or Dynatrace
  • Experience contributing to open-source software projects
  • Experience with third-party SDK integrations, including Google Maps
  • Experience packaging and publishing applications on Google Play
  • Experience with Android analytics, crash reporting, testing, and related frameworks
  • Understanding of current mobile and web technology trends
  • Understanding of mobile application design and development best practices
  • Ability to anticipate future software engineering opportunities
  • Ability to achieve results through others and lead in a managed service environment

Marriott International  Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Marriott International  and has not been reviewed or approved by Marriott International .

  • Retirement Support — Feedback suggests a 100% 401(k) match up to 5% of pay is a notable strength for U.S. associates. This matching structure is portrayed as reliable and beneficial for long-term savings.
  • Wellbeing & Lifestyle Benefits — Feedback suggests broad wellness offerings, mental-health resources, EAP, and TakeCare programs contribute to a comprehensive package. Travel discounts for employees and eligible family are frequently highlighted as a standout lifestyle perk.
  • Parental & Family Support — Feedback suggests eight weeks of paid parental leave, adoption assistance, and childcare discounts provide meaningful family support. These offerings are presented as accessible for eligible U.S. associates.

Marriott International  Insights

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The Company
HQ: Bethesda, MD
185,619 Employees

What We Do

Marriott International, Inc. is based in Bethesda, Maryland, USA, and encompasses a portfolio of more than 7,500 properties in 30 leading hotel brands spanning 132 countries and territories. Its heritage can be traced to a root beer stand opened in Washington, D.C., in 1927 by J. Willard and Alice S. Marriott. Marriott International is an equal opportunity employer committed to hiring a diverse workforce and sustaining an inclusive culture. Marriott International does not discriminate on the basis of disability, veteran status or any other basis protected under federal, state or local laws. Community Guidelines: We reserve the right to remove without any notice content that we determine in our sole discretion is offensive or illegal, contains personally identifiable information, trademarks or copyrights belonging to a third party, advertises a third party’s products or services, or is otherwise inappropriate. Application Tips: We encourage job seekers to protect themselves from email and recruiting scams. Please note: 1) We do not accept applications via email or fax; 2) We never ask for money as part of the application process; 3) We only contact job applicants from approved email domains. Please find more information about Marriott International’s job application process and approved email address domains here: http://www.careers.marriott.com/tips-for-applying/

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