Front-End Engineer III

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business. Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere. Introduction to the Team: Expedia Technology teams partner with our Product teams to create innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction. The Login Experience team is responsible for building and maintaining the traveler sign-in, registration, and account-access experiences across brands like Expedia, Hotels.com , Vrbo, Orbitz, Travelocity and more. As the front door to every traveler's journey, our work directly shapes first impressions and trust — ensuring travelers can sign in and access their accounts quickly, securely, and consistently, no matter which brand or surface they land on. This Frontend/UI Engineer role directly supports execution of committed engineering work, reduces delivery risk, and ensures we can meet key customer, partner, and business objectives within the planned timeline. In this role, you will: Design and implement high-quality user interfaces and interaction patterns that align with product requirements, design systems, accessibility standards, and performance goals across multiple surfaces and devices. Implement robust client-side application architecture, including component composition, state management, routing, and API integration patterns that are scalable and maintainable across multiple product surfaces. Collaborate closely with designers, product managers, and backend engineers to refine requirements, validate technical feasibility, identify tradeoffs, and deliver incremental, testable UX improvements backed by data and experimentation. Apply strong front-end engineering practices including automated testing, code reviews, performance optimization, security-conscious coding, and observability for web applications at scale. Contribute to and consume shared UI component libraries, design systems, and tooling to enable reuse and consistency across teams and projects, ensuring solutions can be adapted for multiple domains. Demonstrate familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real-world products, and safely integrate and operate AI/ML‑enabled solutions that improve user experience, personalization, and content relevance.

Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience. 5+ years of relevant professional experience. Professional experience developing production-grade web applications using React.js, JavaScript/TypeScript, HTML, and CSS, including integration with RESTful or GraphQL APIs. Proven experience owning user-facing features end-to-end within a web application, including low-level UI design, implementation, testing, deployment, and operational support in collaboration with cross-functional partners. Demonstrated skills in front-end system design, including component-level low-level design (LLD), API consumption patterns, and data modeling for view-layer state and client-side data management, within modern engineering ecosystems and tooling (such as package managers, build