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About the Role
The Software Development Engineer II position is part of the Servicing team, which builds the agentic AI systems that power traveler self-service experiences across all Expedia brands and partners. In this role, you will design, build, and operate the agents and supporting infrastructure that enable travelers to resolve complex servicing needs end-to-end — without human intervention. This includes working on agent orchestration, tool integration, LLM-powered reasoning pipelines, and the backend services that make these experiences reliable at scale. You will collaborate closely with Product, XD, and Program Management to shape both the technical direction and the traveler experience.
Responsibilities
- Design, implement, and maintain reliable, scalable, and secure services and components using Expedia Group's standard technologies, including clean APIs, robust data models, and well-factored low-level designs.
- Deliver high-quality production code through test automation, code reviews, and continuous integration practices, contributing to services that operate reliably at scale across multiple products or domains.
- Collaborate with peers, product managers, technical program managers, and other partners to refine requirements, break down complex problems, and deliver incremental value in an Agile environment.
- Instrument services to monitor performance, reliability, and availability; triage and resolve production issues; and participate in on-call or support activities to improve system stability and operational excellence.
- Apply secure coding practices, follow engineering standards and patterns, and contribute to improving shared libraries, tooling, or platforms that accelerate development for multiple teams.
- Work with AI-driven systems, tools, or workflows to enhance developer productivity and product capabilities, including safely integrating and operating AI/ML‑enabled solutions that improve outcomes.
Requirements
- Bachelor's degree in Computer Science, Computer Engineering, or a related technical field; or equivalent practical experience in software development.
- Professional experience in software engineering building, testing, and operating backend, frontend, or full-stack services or applications, including ownership of at least one significant service or feature in production.
- Proficiency in at least one modern programming language used at Expedia Group and familiarity with service-oriented or microservices architectures, including API design, data modeling, and low-level system design.
- Experience with standard software engineering practices such as version control, automated testing, code review, debugging, and monitoring in a collaborative, Agile team environment.
- Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.
- Experience designing and evolving services or components that support multiple use cases or products, including effective API contracts, data models, and integration patterns across teams.
- Track record of improving performance, reliability, or cost efficiency of production systems through data-driven analysis, observability, and systematic incident prevention and resolution.
- Hands-on experience with cloud-based infrastructure, deployment pipelines, and configuration management to confidently build, release, and operate services at scale.
- Demonstrated ability to leverage AI-assisted development tools, code generation, or intelligent automation to improve engineering velocity while maintaining code quality and safety.
- Experience incorporating or consuming AI/ML‑enabled capabilities within applications or services, including safely integrating and operating these solutions in production environments.
Skills
- API design
- Data modeling
- Low-level system design
- Version control
- Automated testing
- Code review
- Debugging
- Monitoring
- Agile methodologies
- AI/ML concepts
- Cloud-based infrastructure
- Deployment pipelines
- Configuration management
- AI-assisted development tools
- Code generation
- Intelligent automation
Location
- Seattle
Work Type
- Full-time
Experience Level
- Software Development Engineer II
- Professional experience in software engineering
- Ownership of at least one significant service or feature in production
Education Level
- Bachelor's degree in Computer Science, Computer Engineering, or a related technical field; or equivalent practical experience in software development.
Salary/Compensations
- $119,000.00 to $166,500.00
- Potential to increase to $190,500.00 based on performance
Benefits
- Medical coverage
- Dental coverage
- Vision coverage
- Paid time off
- Employee Assistance Program
- Wellness reimbursement
- Travel reimbursement
- Travel discounts
- International Airlines Travel Agent Network (IATAN) membership
About the Company
- Expedia Group helps travelers explore the world, one journey at a time.
- A global travel company powered by passionate people, trusted partnerships, and leading technology.
- Connects travelers, partners, and advertisers through consumer brands, B2B network, and travel advertising business.
- Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings.
- Across our brands and business, we help travelers explore the world with confidence and ease.
Equal Opportunity
- Expedia 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.
- The employer will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS) with information from each new employee's I-9 to confirm work authorization.