Senior Software Development Engineer - AI Foundations

This Senior Software Developer Engineer position will be part of the Dev Ex AI Agents Marketplace team. The team builds autonomous AI Agents to improve Developer Experience across EG and serves as an open marketplace enabling platform use‑cases and custom agents.

• Lead a community of practice, bringing people together for shared learning and development.
• Partner with business stakeholders to build a clear understanding of how the technology stack is tied to business outcomes.
• Serve as a guide to other engineers, sharing your domain and industry knowledge across cross-functional teams.
• Research, recommend, and implement frameworks, architectural patterns, and code design patterns.
• Advocate for operational excellence, including unit testing, establishing SLAs, and programming for resiliency and scalability.
• Apply systems thinking to analyze issues, making recommendations to improve processes and implement holistic solutions.
• Facilitate collaboration with diverse stakeholders to develop effective and innovative solutions to complex issues.
• Take ownership of the full software development lifecycle, from technical design to testing, deployment, and maintenance.
• Report on the status and progress of high-level projects to technology leadership.

• Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience.
• 6+ years of professional software development experience with a Master's degree, or 8+ years with a Bachelor's degree.
• Proven experience driving the end-to-end technical design of multiple complex, multi-quarter projects.
• Proficiency in multiple programming languages and/or technologies.
• Demonstrated ability to understand highly complex systems and design moderately complex systems.
• Experience collaborating with business partners to identify problems and deliver technical solutions that meet their needs.

• Prior experience working with AI Agents
• Experience serving as a subject matter expert for a given technical domain.
• Contributions to the wider engineering community (e.g., blog posts, open-source contributions, tech talks).
• A deep understanding of modern testing, monitoring, and alerting tools and technologies.

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.

Starting pay for this role will vary based on multiple factors, including location, available budget, and an individual’s knowledge, skills, and experience. Pay ranges may be modified in the future.

Expedia Group offers benefits and perks designed to support employees and their families, including medical, dental, and vision coverage, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and International Airlines Travel Agent Network (IATAN) membership. Learn more about life at Expedia Group at

Expedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at

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.