Backend Software Development Engineer II

Expedia Group•Seattle, WA

1d•$119,000 - $190,500

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. Our Technology Team Distribution and Supply Pricing 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. As a Backend Software Engineer working on Expedia’s critical production pricing applications, your mission will be to ensure Expedia Pricing is always fast, available, scalable, and engineered to withstand unparalleled demand. You will be in the thick of solving the (often unexpected) problems of systems at scale in a way most engineers never experience. You will have strong analytical and troubleshooting skills, proficiency in coding and systems design, solid interpersonal skills and a desire to tackle the complex problems of scale. You are a collaborative and creative individual and you thrive in a dynamic and agile environment. You adapt to new technologies and enjoy working on complex problems. Every day, we at Expedia get to innovate on web applications that millions of travelers use to plan, book and experience trips they will remember forever.

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 features or services end-to-end within a bounded scope, including implementation, testing, deployment, and ongoing support in a team environment.
Proficiency in at least one modern programming language and its ecosystem, with the ability to design and consume APIs, model data effectively, and apply core computer science fundamentals.
Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products at a foundational level.

Nice To Haves

Experience designing and implementing service or component-level architectures, including system design (LLD), API contracts, and data models that scale under real-world traffic.
Hands-on experience operating services in production (such as working with CI/CD pipelines, observability tools, and incident response) and using data to drive reliability and performance improvements.
Demonstrated ability to work across multiple functional domains or tech stacks (for example, back-end services with some exposure to front-end or data systems) and to contribute effectively in cross-team collaborations.
Growing expertise in applying AI-assisted development tools or workflows (for example, code generation, intelligent testing, or AI-supported diagnostics) to increase engineering productivity while maintaining code quality and security.
Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languages
Optimize for low-latency and high-throughput processing (1M+ TPS) microservices.
Exceptional analytical and problem-solving skills, high-quality coding standards, and a sense of ownership and accountability for delivered solutions
Excellent communication and interpersonal skills, capable of thriving and collaborating within a globally distributed team environment

Responsibilities

Design, develop, test, and maintain services and components using core Expedia Group technologies, applying solid object-oriented design, data structures, and algorithms to deliver reliable, high‑quality software.
Contribute to system design (including low‑level design), API design, and data modeling for features and services, ensuring solutions are scalable, observable, and maintainable across multiple domains.
Collaborate closely with product, design, and partner engineering teams to break down requirements, estimate work, and deliver incremental value through iterative development and continuous improvement.
Own the operational quality of the services you build by implementing robust monitoring, alerting, logging, and automated testing, and by participating in on‑call or support rotations as appropriate.
Apply secure coding practices, perform code reviews, and help improve team standards, tools, and engineering practices to increase development efficiency and software quality.
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.