Senior Mobile Engineer, Flutter; iOS & Android; Layla AI

Position: Senior Mobile Engineer, Flutter (iOS & Android) - Layla AI
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 Expedia Group 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 AI 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 Mobile Engineer working in Flutter, you will help build Layla’s mobile trip-planning and booking experiences across iOS and  this role, you will:

Design, build, and maintain Layla’s cross-platform mobile experience in Flutter (Dart), delivering a single, high-quality codebase that performs reliably across iOS and Android.

Own end-to-end feature delivery for mobile — including low-level design, API integration, and data modeling — for conversational trip-planning and booking features that connect to Layla and Expedia Group services.

Collaborate closely with Product, Design, and backend engineering to turn the conversational travel experience into intuitive, accessible, and performant mobile flows, iterating quickly based on experimentation and real traveler feedback.

Drive mobile quality and reliability through automated testing, continuous integration and delivery, performance monitoring, and observability across both platforms.

Safely integrate and operate AI/ML-enabled capabilities within the app — such as assistant-driven planning, personalization, and recommendations — applying AI/ML concepts to real-world mobile features responsibly.

Contribute to native interoperability where platform-specific capabilities are required, and help establish reusable patterns and engineering best practices for Flutter development imum

Qualifications:

Bachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience.
8+ years of relevant professional experience.

Professional experience building and shipping production mobile applications with Flutter and Dart, including ownership of features from design through release and support.

Experience delivering to both iOS and Android from a shared codebase, including API integration, data…