{"id":2401133,"url":"https://alion.io/job/expedia-group-senior-mobile-engineer-flutter-ios-android-layla-ai","title":"Senior Mobile Engineer, Flutter (iOS & Android) - Layla AI","company":{"id":1763687,"name":"Expedia Group","domain":"expediagroup.com","url":"https://alion.io/company/expediagroup-com","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":100,"open_postings":34,"ghost_share":0,"stale_share":0.029,"repost_share":0.059,"time_to_fill_p50_days":19,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Mobile","role_family":"Mobile","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Washington, United States","Austin, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":184500,"max":258000,"currency":"USD","period":"year","gross":null,"usd_annual":258000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Dart","optional":false},{"name":"Flutter","optional":false},{"name":"Claude","optional":true},{"name":"Jetpack Compose","optional":true},{"name":"Kotlin","optional":true},{"name":"Modularization","optional":true},{"name":"State Management","optional":true},{"name":"Swift","optional":true},{"name":"SwiftUI","optional":true}],"status":"live","first_seen_at":"2026-10-12T23:33:08Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-10-22T02:54:06Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"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.\nHere, 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.\nIntroduction to the Expedia Group Product Team\nThe 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.\nWe 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.\nIntroduction to the Layla AI Team\nLayla 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.\nThe 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.\nAs a Senior Mobile Engineer working in Flutter, you will help build Layla’s mobile trip-planning and booking experiences across iOS and Android.\nIn this role, you will:\nDesign, 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.\n\nOwn 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.\n\nCollaborate 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.\n\nDrive mobile quality and reliability through automated testing, continuous integration and delivery, performance monitoring, and observability across both platforms.\n\nSafely 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.\n\nContribute to native interoperability where platform-specific capabilities are required, and help establish reusable patterns and engineering best practices for Flutter development at Layla.\n\nMinimum Qualifications:\nBachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience.\n\n8+ years of relevant professional experience.\n\nProfessional experience building and shipping production mobile applications with Flutter and Dart, including ownership of features from design through release and support.\n\nExperience delivering to both iOS and Android from a shared codebase, including API integration, data modeling, and network/offline data handling.\n\nDemonstrated ability to design and maintain testable, maintainable, and performant mobile codebases using modern frameworks, tooling, and libraries.\n\nFamiliarity 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 mobile features.\n\nPreferred Qualifications:\nAdvanced proficiency with Flutter/Dart, mobile UI/UX best practices, state management, and performance optimization.\n\nExperience with native iOS (Swift/SwiftUI) and/or Android (Kotlin/Jetpack) interoperability via platform channels or native modules.\n\nProven track record leading technical design for complex mobile initiatives - including architecture decisions, API contracts, and data models that span multiple services or domains.\n\nExperience building accessible (a11y) and inclusive mobile user interfaces.\n\nExperience integrating AI/ML-enabled capabilities into mobile applications - such as intelligent assistant flows, personalization, recommendations, or content ranking - with attention to safety and responsible use.\n\nExperience using AI-assisted development tools (for example, Claude or similar) to improve developer productivity, code quality, and delivery speed.\n\nDemonstrated ability to drive architectural improvements (modularization, design patterns, platform standardization) and to mentor other engineers.\n\nExpedia Group is proud to offer a wide range of benefits to support employees and their families, including medical/dental/vision, paid time off, and an Employee Assistance Program. To fuel each employee’s passion for travel, we offer a wellness & travel reimbursement, travel discounts, and an International Airlines Travel Agent (IATAN) membership. View our full list of benefits.\nThe total cash range for this position in Seattle is $184,500.00 to $258,000.00. Employees in this role have the potential to increase their pay up to $295,000.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.\nThe total cash range for this position in Austin is $184,500.00 to $258,000.00. Employees in this role have the potential to increase their pay up to $295,000.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.Starting pay for this role will vary based on multiple factors, including location, available budget, and an individual’s knowledge, skills, and experience. Pay ranges may be modified in the future.\nBenefits and perks\nExpedia Group offers benefits and perks designed to support employees and their families, including medical, dental, and vision coverage, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and International Airlines Travel Agent Network (IATAN) membership. Learn more about life at Expedia Group at https://careers.expediagroup.com/life.\nAccommodation requests\nExpedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request athttps://expedia.service-now.com/askeg?id=job_accommodation.\nAbout Expedia Group\nExpedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease.\nImportant notice\nEmployment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is https://careers.expediagroup.com/jobs/.\nEqual Opportunity\nExpedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other characteristic protected by law. This employer participates in E-Verify. 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