Senior Software Engineer II - React JS [T500-21019]

About Us :

Marriott International Inc., headquartered in Bethesda, Maryland, USA, was founded in May 1927 by J. Willard Marriott and Alice S. Marriott with a modest nine-seat A&W root beer stand. Guided by the family's leadership and core principles, Marriott International today has grown into a global hospitality giant, operating approximately 9,000 properties and over 30 leading brands in more than 140 countries and territories.

From such humble beginnings to becoming the world’s largest hotel company, Marriott International has never stopped searching for inventive ways to serve its customers, provide opportunities for its associates, and grow their business. At Marriott Tech Accelerator center (MTA), Hyderabad, India, Marriott is exploring the world we live in and all its possibilities. At Marriott Tech Accelerator, we are a team of passionate engineering minds dedicated to creating and building cutting-edge solutions that streamline operations and elevate guest experiences.

Marriott Tech Accelerator center is fully owned and operated by ANSR. All associates at Marriott Tech Accelerator will be ANSR employees, delivering services exclusively to ANSR's client, Marriott International.

To know more about us, please visit Marriott Tech Accelerator careers page

Role Title : Senior Software Engineer II

Job Summary :

Marriott International is looking for a Senior Software Engineer to join our Revenue Management and Pricing Technology team. In this role, you’ll design, develop, and deliver scalable, cloud-native applications that support critical business functions. You’ll work on our user interfaces using technologies like JavaScript, ReactJS and Redux, and play a key role in modernizing our platform architecture.

This position is ideal for an experienced engineer with 6–8 years of hands-on development experience and a track record of leading small teams or projects, collaborating with cross-functional stakeholders, and driving technical excellence.

Key Responsibilities :

Develop and maintain user interfaces using ReactJS, ensuring high performance and responsiveness.

Utilize designs from Figma and implement them in ReactJS, ensuring pixel-perfect accuracy.

Implement and maintain state management solutions using Redux or similar libraries.

Optimize components for maximum performance across a vast array of web-capable devices and browsers.

Conduct design and code reviews and provide constructive feedback to peers.

Collaborate with product managers, designers, and backend engineers to deliver high-quality features.

Provide technical guidance and mentorship to junior engineers and contribute to team growth

Required Qualifications :

Bachelor’s degree in computer science, Information Technology, or equivalent experience.

6–8 years of professional software development experience, including :

Strong proficiency in JavaScript, including ES6+ syntax and features.

4+ years of experience with ReactJS, including the development of complex features, common components, component composition and scalable applications.

Proficiency in state management libraries such as Redux, MobX, or Context API.

Experience with styled-components or other CSS-in-JS libraries for creating dynamic and responsive user interfaces.

Solid understanding of front-end build tools and modern web development workflows (e.g., Webpack, Babel, npm / yarn).

Experience with front-end testing libraries such as React Testing Library or Jest

Familiarity with the concept of memoization for React

Familiarity with RESTful APIs and asynchronous programming using Promises or async / await.

Strong problem-solving skills and the ability to debug and optimize code for performance.

A keen eye for detail and a commitment to delivering high-quality, user-friendly interfaces.

Demonstrated experience leading technical projects or initiatives, including :

Defining technical direction and architecture for small teams.

Coordinating cross-functional collaboration and delivery.

Driving resolution of complex technical challenges.

Strong communication and problem-solving skills.

Preferred Qualifications :

Experience with API design and optimization for UI rendering and performance

Experience with converting legacy JavaScript framework code to ReactJS

Background in travel, hospitality, or pricing systems.

Experience contributing to architectural decisions or solution design.

Agile / Scrum team experience.

Leadership & Collaboration :

Technical Mentorship – Guide and support junior engineers through code reviews, design discussions, and hands-on collaboration.

Strategic Thinking – Translate business needs into scalable technical solutions and influence architectural direction.

Team Leadership – Take ownership of team deliverables, foster accountability, and promote a culture of continuous improvement.

Cross-Functional Communication – Effectively communicate technical concepts to both technical and non-technical stakeholders.

Vision Alignment – Ensure engineering efforts align with organizational goals and long-term technology strategy.