Senior Software Engineer I [T500-21547]

About Marrio

Marriott Tech Accelerator is part of Marriott International, a global leader in hospitality. Marriott International, Inc. is a leading American multinational company that operates a vast array of lodging brands, including hotels and residential properties. It consists of over 30 well-known brands and nearly 8,900 properties situated in 141 countries and territories.

Role Title : Senior Software Engineer I, Mobile – iOS

Position Summary :

Designs and implements critical components and features to support Marriott International's global digital and mobile strategy. This role will contribute to the integration and advancement of Marriott’s Bonvoy mobile app in alignment with our core business objectives and technical architecture. Resolves and makes decisions on moderately complex features with limited to moderate risk. Performs research, analysis, design, creation, and implementation of features to meet current and future user requirements. Creates solutions that serve our business leveraging current and leading-edge technologies in an innovative and impactful manner.

Job Responsibilities :

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 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.

Ensure early warning to 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.

Management Competencies :

Leadership : Communication, Leading Through Vision and Values, Managing Change, Problem Solving and Decision Making, Professional Demeanor, Strategy Development.

Managing Execution : Building a Successful Team, Strategy Execution, Driving for Results.

Building Relationships : Customer Relationships, Global Mindset, Strategic Partnerships.

Generating Talent and Organizational Capability : Developing Others, Organizational Capability.

Learning and Applying Professional Expertise : Continuous Learning, Technical Acumen (including Technical Intelligence, Development Methodologies, Information Security), Business Acumen, Basic Competencies (Computer Skills, Mathematical Reasoning, Oral Comprehension, Reading Comprehension, Writing).

Skills and Experience :

Required :

4+ years’ experience in software development with expert-level expertise in multiple programming languages and methodologies.

3+ years of hands-on experience with iOS native application development languages, frameworks, and tools (e.g., Swift, SwiftUI, Objective-C, UIKit, Combine, MVVM).

Undergraduate degree or equivalent experience / certification.

Experience developing apps for large, critical user bases.

Excellent knowledge of working with dynamic data using services (e.g., JSON, REST APIs, GraphQL).

Experience with Data Modeling, Networking, and Push Notification frameworks.

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.

Experience with iOS 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, and best practices for mobile application design and development.

Strong verbal and written communication skills with the ability to articulate complex technical ideas in easy-to-understand business terms.

Ability to accomplish results through others, particularly by establishing relationships, effective controls, and leading in a managed service environment.

Preferred :

Experience in Agile software methodologies such as Scrum or SAFe.

Experience with DevOps tools such as Git, JIRA, Jenkins, Dynatrace.

Experience with Apple Watch.

Active contributions to OSS projects.

Relevant technology certifications.

Experience with Data Modeling, Networking, and Push Notification frameworks.

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.

Experience with iOS analytics, crash reporting, testing, and other peripheral frameworks.

Understanding of latest trends in mobile and web technologies.

Demonstrated ability to anticipate future software engineering opportunities.

Technology leadership experience in a sourced environment.

Experience using AI / ML and LLMs to support code generation, documentation, testing, or feature development in mobile apps.

Education and Certifications :

Undergraduate degree or equivalent experience / certification.

Work Location : Hyderabad, India.

Work Mode : Hybrid.

Marriott’s core values :

At Marriott, our core values make us who we are. We believe that success is never final. As we change and grow, the beliefs that are most important to us stay the same—putting people first, pursuing excellence, embracing change, acting with integrity, and serving our world. Being part of Marriott Tech Accelerator means being part of a proud history and a thriving culture.