Développeur(-euse) principal(e) de logiciels (contenu) /Principal Software Development Engineer

Expedia•Montreal, QC

8d•CA$181,000 - CA$253,500•Hybrid

About The Position

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. Expedia Group brands make international travel accessible to everyone, everywhere. We design cutting-edge technology to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, dynamic, and welcoming community is essential to our success. Why join us? To shape the future of travel, people must come first. Guided by our values and leadership agreements, we foster an open culture where everyone belongs and differences are celebrated, and we understand that when a colleague succeeds, we all succeed. We offer a comprehensive benefits package, including exciting travel benefits, generous time off, parental leave, a flexible work model (with attractive offices), and career development resources, all to fuel our employees' passion for travel and ensure a rewarding career path. We are building a more open world. Join us! Principal Software Development Engineer (Content) Team Introduction Our Technology Team partners with teams across Expedia Group 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. Within the Expedia Technology team, our Content organization is currently looking for a Principal Software Developer to come and work on our Content Platform’s capabilities. These capabilities enable Expedia Group to acquire, enrich and distribute hundreds of millions of assets (images, texts, attributes, videos, etc.) used across our various brands and lines of businesses. While planning your next trip on Expedia Group websites or mobile applications, most content assets you have come across have been selected by our systems to optimize your experience! Our team is dedicated to delivering highly scalable software solutions in an agile development environment, using state-of-the-art technologies. Our culture provides a safe environment to spark creativity and encourage continuous learning and growth. We work in a DevOps model where developers are involved in all aspects of software development, from design to test, implementation, deployment, monitoring, and support. In this role, you will: Provide technical leadership for content platforms and services, setting architectural direction for backend and full stack systems that power scalable content creation, curation, and delivery across Expedia Group. Partner closely with Product Managers, designers, and engineering leaders to shape domain strategy, clarify product requirements, evaluate business and technical tradeoffs, and translate high-level goals into scalable platform and experience capabilities. Lead the design of cloud-native applications on AWS, including low-level system design, API design across REST and gRPC interfaces, and data modeling for distributed, highly available content services. Drive technical standards and engineering practices across multiple teams, ensuring scalable, maintainable solutions with strong quality, automated testing, production readiness, and operational excellence. Tackle complex, cross-domain technical challenges, guiding teams through architecture decisions, tradeoffs, and execution plans that improve platform reliability, performance, extensibility, and developer productivity across multiple teams and business-critical content capabilities. Use data, observability signals, and experimentation to guide technical decisions, optimize performance and reliability of content systems, and improve user and developer experience. Guide the safe integration and operation of AI/ML-enabled capabilities in the content domain, including establishing technical guardrails, evaluation approaches, and operational practices for production use. Please note that this role is only available in the following locations: Montreal, in alignment with our flexible work model which requires employees to be in-office at least three days a week.

Requirements

Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience.
10+ years of relevant professional experience.
Demonstrated ownership of multi-service or domain-level content platforms, including responsibility for system design, API design, data modeling, testing strategy, deployment, and ongoing operational health.
Deep technical expertise designing and operating cloud-native applications on AWS, including service-to-service communication patterns such as gRPC, and working with a variety of datastores and caches such as Redis/Valkey, Cassandra, MySQL, and PostgreSQL.
Experience using AI-assisted engineering tools and workflows to improve design exploration, implementation, debugging, analysis, and developer productivity, with sound judgment around safe and effective use in engineering environments.
Bilingual in French and English.

Nice To Haves

Proven experience defining and evolving architecture for content platforms spanning multiple services or domains, including clear API contracts, domain models, and data strategies that enable reuse, scalability, and future extensibility.
Provide technical leadership for content platforms and services, setting architectural direction for backend systems that power scalable content acquisition, enrichment, curation, and delivery across Expedia Group.
Provide technical guidance for full-stack, operator-facing, and partner-facing capabilities where needed, including internal tools, user interfaces, and user experiences that support content workflows, platform operations, developer efficiency, and external partner use cases.
Strong focus on engineering excellence and operational rigor, including driving standards for automated testing, CI/CD pipelines, production readiness, and reducing operational toil across teams.
Ability to use data, experimentation, and metrics to set technical direction, validate architectural decisions, and iteratively improve content features, workflows, and platform capabilities at scale.
Experience leading or guiding teams in implementing or extending AI/ML-enabled content capabilities such as classification, ranking, generation support, or quality evaluation, with a focus on safe integration, technical guardrails, and responsible usage aligned to Expedia Group standards.

Responsibilities

Provide technical leadership for content platforms and services, setting architectural direction for backend and full stack systems that power scalable content creation, curation, and delivery across Expedia Group.
Partner closely with Product Managers, designers, and engineering leaders to shape domain strategy, clarify product requirements, evaluate business and technical tradeoffs, and translate high-level goals into scalable platform and experience capabilities.
Lead the design of cloud-native applications on AWS, including low-level system design, API design across REST and gRPC interfaces, and data modeling for distributed, highly available content services.
Drive technical standards and engineering practices across multiple teams, ensuring scalable, maintainable solutions with strong quality, automated testing, production readiness, and operational excellence.
Tackle complex, cross-domain technical challenges, guiding teams through architecture decisions, tradeoffs, and execution plans that improve platform reliability, performance, extensibility, and developer productivity across multiple teams and business-critical content capabilities.
Use data, observability signals, and experimentation to guide technical decisions, optimize performance and reliability of content systems, and improve user and developer experience.
Guide the safe integration and operation of AI/ML-enabled capabilities in the content domain, including establishing technical guardrails, evaluation approaches, and operational practices for production use.