Senior Frontend Engineer - Layla AI

Senior Frontend Engineer 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 Product Team The Product Team creates high-quality end-to-end experiences for travelers, partners, and Expedia Group. Our customer-first mindset focuses on developing products that encourage loyalty and repeat business from our travelers and partners. We partner closely with teams across Expedia Group to achieve growth and results for our customers and company. We connect Travelers to new experiences, through trusted relationships. We use the power of Expedia Group brands to empower strategic partners to nurture and grow the existing relationship with their audience. Strategic Partnerships and Affiliates breadth of solutions which include cashback, travel offers, loyalty exchange, co-branded sites, Affiliate APIs and EG's Affiliate Program, bring a partners' audience onto EG sites, thereby increasing EG's traffic and exposure. Introduction to the Layla Team Layla is an AI-native travel-planning and booking company, now part of Expedia Group's Product organization. Through a conversational travel assistant, Layla helps travelers move from inspiration to a complete, bookable itinerary — flights, hotels, activities, and the day-by-day detail — in minutes. As part of Expedia Group, the team combines Layla's planning and personalization capabilities with Expedia Group's global supply, first-party traveler insights, marketplace scale, and booking technology. The team is small and senior by design and operates with startup pace: you own a surface, ship it, and see the impact on real travelers within weeks — with decisions driven by data and AI tooling used in practice every day. As a Senior Frontend Engineer, you will build the web experiences that bring Layla's conversational trip planning and booking to travelers — turning an AI-native travel assistant into fast, intuitive, and accessible interfaces. In this role, you will: Build reusable, component-based web interfaces with modern frontend frameworks (React / Next.js) that make Layla's conversational travel planning and booking intuitive, fast, and accessible. Translate product concepts, designs, and wireframes into high-quality, maintainable code, partnering closely with Product, Design, and backend engineering to ship features end to end. Develop performant, scalable, and reliable web applications, maintaining cross-browser compatibility and resolving performance bottlenecks. Run experiments and iterate quickly on the traveler experience, using data to guide UI and interaction decisions. Safely integrate and operate AI/ML-enabled capabilities in the web experience — such as assistant-driven planning, personalization, and recommendations — applying AI/ML concepts to real-world features responsibly. Advocate for engineering excellence, usability, accessibility (a11y), and quality, and help drive frontend architecture decisions and reusable patterns. Mentor other engineers through code review, technical design feedback, and knowledge sharing. Minimum Qualifications: Bachelor's degree in Computer Science or a related technical field; or equivalent related professional experience. 8+ years of experience developing production-quality code in a professional software engineering role. Deep frontend/web development expertise, including JavaScript, React, HTML, and CSS, and experience building reusable, component-based user interfaces. Solid grounding in computer science fundamentals — data structures, algorithms, and object-oriented programming. Demonstrated ability to build fast, scalable, and reliable web applications with maintainable, testable frontend architecture. Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real-world products, with a focus on safely integrating these capabilities into web features. Preferred Qualifications: Experience with Next.js or similar modern React frameworks, including server-driven or server-rendered UI patterns. Experience partnering across the stack (for example, Node.js and APIs) to deliver end-to-end features. Experience building accessible (a11y) and inclusive web interfaces. Experience running experiments (A/B testing) and using product data to inform frontend decisions. Experience integrating AI/ML-enabled or generative-AI capabilities into web products, with attention to safety and responsible use. Experience using AI-assisted development tools (for example, Claude or similar) to improve developer productivity, code quality, and delivery speed. Experience in e-commerce, marketplace, or travel domains. Demonstrated ability to drive frontend architectural improvements and to mentor other engineers. Expedia Group