Senior Software Engineer-iOS
Marriott International
- Location
- Bethesda, MD, United States
- Work model
- On-Site
- Level
- Senior
- H-1B history
- 40 approvals (FY2023)
- Posted
- Aug 12, 2026
Skills
About this role
JOB SUMMARY
Takes day-to-day direction from assigned Product Leader/Owner to lead technical workgroups and/or functions as a technical expert. Operates as a key member of the team/squad to resolve and makes decisions on more complex, non-routine service requests with limited to moderate risk. Performs research, analysis, design, creation and implementation of applications to meet current and future user requirements. Defines and creates the next generation of solutions to drive Marriott value. Monitors multiple projects by Service Provider to successful completion, maintaining scope within the time and budget constraints. Creates solutions that serve our business leveraging current and leading-edge technologies in an innovative and impactful manner.
CANDIDATE PROFILE
Required
6+ years’ experience in software development with expert level expertise i n multiple programming languages and methodologies
5+ years hands-on experience with iOS native application development languages, frameworks and tools (e.g., Swift, SwiftUI, Combine, Objective-C)
Experience leveraging AI-assisted development tools to accelerate software engineering workflows, including code generation, code analysis, debugging, refactoring, and defect investigation
Strong verbal and written communication skills with the ability to articulate complex technical and quality concepts in clear, business friendly terms
Undergraduate degree or equivalent experience/certification
Preferred
Experience with Swift Concurrency including async/await, actors, and structured concurrency for modern asynchronous programming
Experience with iOS test automation frameworks and tools such as XCTest and XCUITest, with the exposure to write and maintain automated tests
Experience with CI/CD tooling and quality gates, including integration of automated testing into build pipelines
Understanding of quality practices and testing methodologies in an agile environment, with ability to collaborate with QA teams on test strategy and coverage
Experience with iOS analytics, crash reporting, and experimentation frameworks to inform quality improvements and engineering decisions
Excellent knowledge of working with dynamic data using services (e.g., JSON, REST APIs, GQL, etc.)
Experience with Data Modeling, Networking, and Push Notification frameworks
Experience with Apple Watch
Active contributions to OSS projects
Experience in Agile software methodologies such as Scrum or SAFe
Experience with DevOps tools such as Git, JIRA, Jenkins, Dynatrace
Experience developing apps for large, critical user bases
Experience developing apps supporting UI for varying screen sizes (e.g., phones and tablets)
Experience with 3rd Party SDK integrations and other open source libraries
Experience packaging and publishing applications on the App Store
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
Technology leadership experience in a sourced environment
Ability to accomplish results through others, particularly by establishing relationships, effective controls and leading in a managed service environment
Relevant technology certifications
CORE WORK ACTIVITIES
Technical Leadership
Trains and/or mentors other team members, and peers as appropriate
Provides financial input on department or project budgets, capital expenditures or other cost/resource estimates as requested
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