Software Development Engineer III - Full Stack

Position Overview

As a Full Stack Software Engineer working on Expedia’s critical production checkout applications, your mission will be to ensure Expedia Checkout is always fast, available, scalable, and engineered to withstand unparalleled demand.

• Design, implement, and maintain robust, secure, and scalable services and applications, including system design (LLD), API design, and data modeling to support business-critical capabilities across multiple domains.
• Write clean, reliable, and well-tested code, applying sound engineering principles, design patterns, and code review practices to improve quality, performance, and maintainability for complex systems.
• Own end-to-end delivery of features and services, from technical design and implementation through deployment, monitoring, and iteration, ensuring high availability and operational excellence.
• Diagnose and resolve complex production issues, perform root cause analysis, and drive long-term improvements in reliability, observability, and resilience across services and dependencies.
• Collaborate with cross-functional partners, contributing technical expertise to product discovery, backlog prioritization, and data-driven decision making while ensuring solutions are reusable and fungible across multiple domains.
• 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.

• Bachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience.
• 5+ years of relevant professional experience.
• Professional software development experience building and maintaining services or applications, with ownership of features or services in production environments.
• Proficiency in at least one modern programming language and core computer science fundamentals (data structures, algorithms, design, and problem solving), including experience with system design (LLD), API design, and data modeling.
• Experience owning the full software development lifecycle for services or applications, including design, implementation, code reviews, testing, deployment, and monitoring, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real-world products at a foundational level.

• Full-stack engineer with proficiency in JavaScript, Type Script, React, Java/Kotlin, and Graph
  
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• Experience maintaining and operating at least four software projects or products in production environments, including bug fixing, troubleshooting, monitoring, and operational support.
• Experience selecting technologies to solve business problems and understanding trade‑offs between languages and platforms.
• Experience creating APIs consumed across teams or business units.
• Solid understanding of how projects and teams interact with other teams and align to business needs.
• Experience testing, monitoring, debugging, and fixing issues within defined SLAs.
• Experience with AI-enabled software development workflows.

The total cash range for this position in Seattle is $ to $. Employees in this role have the potential to increase their pay up to $, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.

Expedia Group offers a comprehensive benefits package including medical, dental, vision, paid time off, an Employee Assistance Program, wellness & travel reimbursement, travel discounts, and an International Airlines Travel Agent (IATAN) membership. Employees also benefit from flexible work arrangements and career development resources.

Expedia Group is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other characteristic protected by law. This employer participates in E‑Verify.