Software Development Engineer II

Expedia•Chicago, IL

3d•$111,000 - $155,500•Onsite

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. Introduction to Team 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. This Software development engineer II role is part of the HomePage team which sits within our Technology division. The HomePage team builds and maintains the homepage experience, including personalized content and incentives that help travelers continue planning, discover relevant travel options, and move toward booking across Expedia Group brands. In this role, you will deliver traveler, partner, and company value by designing and developing end-to-end features within services, owning API and low-level design and test strategy, and defining service-level metrics such as reliability, cost, and latency.

Requirements

Bachelor’s degree in Computer Science or a related technical field; or Equivalent related professional experience.
2+ years of relevant professional experience.
Experience owning and delivering software within a service or multi-service environment, including responsibility for production quality and operational performance.
Proficiency with software development fundamentals, system design, low-level design, API design, data modeling, testing, debugging, and version control.
Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.

Nice To Haves

Experience designing and operating reliable, scalable services in production, including monitoring, troubleshooting, performance improvement, and incident response.
Demonstrated ability to make data-driven engineering decisions and improve system quality, delivery outcomes, and operational efficiency.
Experience contributing to architecture and technical design decisions within a service, multi-service, or technical domain scope.
Practical experience integrating AI/ML-enabled capabilities into software products, with attention to safety, reliability, maintainability, and measurable outcomes.
Experience working across multiple technical domains and adapting engineering approaches to solve varied product and platform challenges.

Responsibilities

Design, develop, test, and maintain reliable software solutions that address customer and business needs across multiple technical domains.
Apply sound engineering judgment to system design, low-level design, API design, data modeling, implementation, and code quality.
Collaborate with engineers and cross-functional partners to deliver maintainable services and features from development through production operation.
Diagnose and resolve complex technical issues using data, testing, monitoring, and structured problem-solving techniques.
Safely integrate and operate AI/ML-enabled solutions that improve outcomes, while applying foundational AI/ML concepts to real-world products and workflows.
Contribute technical expertise across services and domains, strengthening engineering practices, operational excellence, and the long-term evolution of the platform.