Principal Engineer - React & Node.js [T500-21099]

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 : Principal Engineer

Position Summary :

Principal Engineer will be a highly engaged and motivated senior engineer who will be responsible for designing, developing, and implementing an enterprise-level web application using React, TypeScript, and Node.js in an ecosystem that includes databases, content and document management systems, AI-powered NLP search engine, and the AWS suite of services. This role will design and develop integration solutions, implement APIs or microservices that will integrate with back-end systems. The ideal candidate should have a solid understanding of full-stack solutions to include DevOps experience.

We are transforming the way we collaborate with hotel owners by establishing a single source of truth platform for design and brand standards and guidelines, empowering owners to design, build, convert, operate, and maintain on-strategy hotels. We need engineers who are excited to bring their technology skills and experience to join us in this transformational journey.

Job Responsibilities :

Serve as a technical subject matter expert for the Global Lodging Products Platform (GLPP)

Design, develop, and maintain scalable and high-performance web applications using React and TypeScript that integrate with our backend systems via APIs and microservices

Develop and maintain efficient and well-structured code.

Design and implement database schemas and optimize queries for performance.

Design, develop and maintain real-time and event driven integrations

Collaborate with cross-functional teams, including product managers, deisgners, system integrators, and other engineers, to deliver high-quality software solutions.

Conduct code reviews to ensure code quality and maintainability.

Troubleshoot and resolve complex technical issues.

Stay up-to-date with the latest development trends and technologies.

Contribute to the improvement of development processes and best practices.

Review issues logs and metrics to identify trends and solutions that should be implemented.

Maintain in-depth documentation of activities and system configuration and review documentation of junior / other engineers

Proactively perform troubleshooting, resolution, and problem analysis.

Participate in architectural discussions to help developers make the most efficient choices.

Maintain industry knowledge and enhance subject matter expertise, identify trends and changes in technology and automation strategies.

Assist with interviewing talent, provide peer reviews / feedback frequently and foster a modern engineering culture.

Serve in the on call rotation

Managing Priorities and Delivery :

Develop specific goals and plans to prioritize, organize, and accomplish work

Provide technical leadership for successful platform and project implementations

Assist with determining priorities, schedules, plans and necessary resources to complete projects on schedule

Assist with reviewing vendor proposals and selecting appropriate vendor for services / technologies

Understand and meet the needs of key stakeholders

Communicate concepts in a clear and persuasive manner that is easy to understand

Demonstrate an understanding of business priorities

Support achievement of performance goals, budget goals, team goals, etc.

Perform other reasonable duties as required for this position

Skill and Experience :

Strong understanding of full stack development principles and best practices.

Experience with developing web applications using React and TypeScript

Experience with state management libraries like Redux, Mobx, Zustand.

Knowledge of modern front-end build tools and workflows (e.g., Webpack, Vite).

Experience with server side rendering using NodeJS and NestJS

Solid understanding of database design and management (e.g., SQL, NoSQL).

Familiarity with GraphQL and Apollo Federation Subgraphs using NestJS

Experience with containerization technologies (e.g., Docker, Kubernetes)

Experience with cloud platforms; AWS suite of services is a plus.

Solid understanding of Platform engineering tools, processes and DevOps principles

Experience implementing and maintaining OAuth-based solutions

Experience with Content and Document Management systems integrations

Familiarity with AI / ML concepts and technologies.

Experience with testing frameworks, tools and methodologies.

Excellent problem-solving, debugging and communication skills.

Ability to work independently and as part of a team.

Experience with Agile development methodologies.

Strong communication and collaboration skills within a team environment

Experience with modeling and implementing AI and NLP search capabilities is a plus

Maintain a proper balance between business and operational risk

Relevant skills listing :

Front-end development using React and Typescript

Front-end testing : Jest, Cypress, etc.

front-end state management : Redux, Mobx, Zustand

Back-end development using NodeJS and Nest JS

API / Microservices : Java and Spring Boot, RESTful, GraphQL and Apollo Federation Subgraphs using Nest,js

API Security : CORS, CSRF protection, OAuth-based integration etc

Databases : Data modeling, MySQL, document based

Architecture : Responsive SPA framework, REST API design and integration, modular component design, Microservices, event-driven architecture (e.g. Kafka)

Build tools : npm, Webpack, Vite, etc.

DevOps tools : GitHub, Harness

Container orchestration : Docker, Kubernetes

Cloud Platforms : AWS