Software Development Engineer II - Full Stack

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. 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. Introduction to Team This Software Development Engineer II role is part of the Supply Partner Experience - Partner Solutions team which sits within our Technology division. The team designs, builds, and operates partner-facing onboarding and management experiences and services for lodging and vacation rental supply partners, making it easier for them to join our marketplace, configure their properties, and manage their ongoing performance at scale. As part of this team, you will design, develop, and maintain high-quality software components and services within this domain, contributing to scalable, reliable systems and well-structured APIs that empower our partners and enhance traveler experiences. In this role, you will: Design, build, and maintain scalable full stack services and applications, including well-structured APIs, data models, and low-level system designs that are reliable and easy to extend across multiple product domains. Implement high-quality frontend experiences and backend services using modern engineering practices, ensuring robust integration, security, and performance across the entire stack. Own end-to-end feature delivery from technical design through implementation, testing, deployment, and operational support, continuously improving code quality and maintainability. Collaborate closely with product, design, and other engineering teams to translate business requirements into technical solutions, ensuring solutions are data-driven, customer-focused, and reusable across use cases. 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. Contribute to a culture of engineering excellence by participating in code reviews, refining system design and API patterns, enhancing observability, and driving incremental improvements in reliability and operational practices.

Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience. 2+ years of relevant professional experience. Proven ability to own services or features through the full software development lifecycle, including design, implementation, testing, deployment, monitoring, and support within a multi-service or domain environment. Proficiency in core software engineering fundamentals such as data structures, algorithms, object-oriented or functional design, API design, and data modeling, with hands-on experience building and consuming RESTful or similar services. Familiarity with AI-driven systems, tools, or workflows and the ability to safely integrate AI/ML-enabled solutions into existing applications under guidance and established patterns. Expertise with Java, Node.js, React, JavaScript or TypeScript Preferred Qualifications: Experience designing