Software Development Engineer II

Expedia Group•Chicago, IL

17d•$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 Expedia Product & Technology division builds innovative products, services, and tools to deliver high-quality experiences for travelers, partners, and our employees. A unified, singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences for the traveler and our partners that drive loyalty and customer satisfaction. This Software Development Engineer II role is part of the Content Team team which sits within our Technology division. The Content Team acquires, curates, enriches, and distributes content from suppliers, travelers, third-party sources, and Expedia Group to provide contextual, relevant, and trustworthy information throughout the travel journey. In this role, you will develop and manage products and services that support Expedia Group’s content ecosystem and improve the quality, relevance, and personalization of content for travelers and partners.

Requirements

Bachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience.
2+ years of relevant professional software development experience delivering production backend services or applications.
Proficiency in at least one modern programming language commonly used at Expedia Group and solid understanding of algorithms, data structures, object-oriented or functional design, system design (LLD), API design, and data modeling.
Experience working with service-oriented or microservice architectures, including consuming and implementing APIs, working with data models, and contributing to the reliability, scalability, and security of services.
Exposure to operating backend services in production environments, such as contributing to monitoring, on-call support, or improving systems based on operational data and feedback.

Nice To Haves

Experience contributing to the design and evolution of distributed backend systems and data models that handle significant traffic or data volume, including working with clear, well-versioned API contracts.
Demonstrated ability to take ownership of well-defined backend components or features, make sound implementation tradeoffs, and align solutions with established architectural and domain standards.
Experience improving operational excellence through enhanced observability, automation of repetitive tasks, and improvements to service performance, resilience, or cost efficiency.
Hands-on experience using AI-driven tools, platforms, or workflows in the software development lifecycle, and safely integrating AI/ML-enabled components into production backend services under guidance from more experienced engineers.
Experience applying metrics, experimentation, or analytics to inform backend design decisions and improve product or system outcomes.

Responsibilities

Design, build, and evolve reliable, scalable backend services and applications, including system design (LLD), API design, and data modeling for clearly scoped product capabilities.
Deliver backend features across the full software development lifecycle by implementing designs, writing high-quality code, creating and executing tests, and contributing to deployment, monitoring, and ongoing operational support.
Collaborate with engineers, product managers, and technical partners to understand requirements, break down work, and implement backend solutions that integrate with multiple services and domains.
Improve code quality, reliability, and performance by following and contributing to best practices in testing, observability, security, and operational excellence for the services you support.
Participate in code reviews, design discussions, and knowledge sharing, steadily expanding your technical scope and impact while supporting a culture of learning and continuous improvement.
Safely integrate and operate AI/ML-enabled solutions that improve outcomes, with familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.