Développeur(-euse) principal d’application mobile − Android / Senior Mobile Developer – Android

Expedia Group•Montreal, QC

10d•Hybrid

About The Position

Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. We, the Home & Navigation team, shape the first interaction that millions of travelers have with Expedia. We're looking for a motivated, curious, and forward-thinking engineer who is passionate about delivering seamless, personalized experiences across native apps and the web. As part of our team, you'll be instrumental in crafting the initial experience for customers as they enter the Expedia ecosystem. From the home page to navigation, your work will ensure travelers can easily explore, discover, and shop for their ideal travel products, traversing core platform initiatives and building Expedia Group’s various brands.

Requirements

Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience
8+ years of relevant professional experience
Strong proficiency with core Android development (Kotlin/Java, Android SDK, UI frameworks), including API design, data modeling, and system design for mobile architectures with ownership of end-to-end feature delivery for one or more services or products
Demonstrated experience with testing, monitoring, and operating Android applications in production environments, including troubleshooting performance, reliability, and security issues
Experience contributing to the technical direction of a codebase, including setting and upholding standards for code quality, reviews, and maintainability across features or components

Nice To Haves

Experience leading the technical design and implementation of complex Android features or subsystems, including cross-service integrations and modular architectures that operate at scale
Advanced proficiency with Jetpack components/Jetpack Compose, Android UI/UX best practices, and performance optimization
Deep understanding of Android app architecture patterns (e.g., MVVM, MVI, MVP)
Proven ability to optimize mobile performance, scalability, and resource usage, leveraging data and metrics to guide technical decisions and validate outcomes
Familiarity with AI-driven mobile experiences, such as integrating recommendation systems, personalization, or intelligent assistance into Android applications, and safely integrating and operating AI/ML-enabled solutions that improve user and business outcomes
Demonstrated ability to apply AI/ML adjacent techniques (for example, leveraging on device ML frameworks or AI powered developer tools) to improve development productivity, quality, or customer outcomes
Experience defining and improving release strategies, and operational processes for Android apps, including safe deployment, rollback, and incident response
Bilingual in French and English

Responsibilities

Design, implement, and maintain high-quality Android applications, focusing on clean architecture, robust API integration, and effective data modeling to support scalable mobile experiences
Lead system and low-level design for complex mobile features, including modularization, performance optimization, and integration patterns across multiple services and platforms
Drive technical excellence in the Android codebase by establishing standards for code quality, testing, observability, and reliability, and by conducting thorough code and design reviews
Collaborate with cross-functional teams to translate product and UX requirements into technical solutions, ensuring consistency, accessibility, and reusability of mobile components across domains
Safely integrate and operate AI/ML enabled solutions that improve outcomes, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products
Mentor and guide other Android engineers, sharing best practices for mobile development, release processes, and operational support for applications in production