Senior Software Development Engineer

Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success.

Why Join Us? To shape the future of travel, people must come first. Guided by our Values and Leadership Agreements, we foster an open culture where everyone belongs, differences are celebrated and know that when one of us wins, we all win.

We provide a full benefits package, including exciting travel perks, generous time-off, parental leave, a flexible work model (with some pretty cool offices), and career development resources, all to fuel our employees’ passion for travel and ensure a rewarding career journey. We’re building a more open world. Join us.

Introduction To The Team The Marketplace Health (MPH) organization supports services, processes, and data analytics that maximize positive outcomes in EG’s marketplace for both travellers and supply partners.

We are a group of product and engineering delivery teams situated in Expedia Marketplace (Design & Trust), focused on the health (the state of well-being, free from issues) and trust (firm belief in the reliability, truth, ability, or strength of someone or something) of the Expedia travel marketplace.

In This Role, You Will

• Design, develop, and maintain highly available, scalable, and resilient services and applications, including clear low-level designs, robust APIs, and effective data models
• Own end-to-end technical solutions across multiple services or components, ensuring code quality, observability, security, and operational readiness
• Collaborate with product, design, and cross-functional engineering teams to translate business and customer requirements into technical solutions that can be reused across domains
• Lead code and design reviews, drive engineering best practices, and mentor other engineers to improve technical execution and maintain high standards
• Diagnose complex production issues, improve reliability and performance through data-driven analysis, and enhance CI/CD pipelines and operational tooling
• 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

Minimum Qualifications Experience and Qualifications:

• Bachelor’s degree in Computer Science or a related technical field; or equivalent related professional experience
• 8+ years of relevant professional experience
• Significant professional software development experience designing and building services or applications in a production environment.
• Proven experience owning end-to-end delivery of services or components, including design, implementation, testing, deployment, and operational support
• Strong proficiency in at least one modern programming language and familiarity with system design (including low-level design), API design, and data modeling

Preferred Qualifications

• Experience designing and evolving the architecture of multi-service or domain-level systems, including well-structured APIs, data models, and integration patterns
• Demonstrated success improving performance, reliability, and scalability of high-traffic or mission-critical systems using data-driven analysis and experimentation
• Experience driving engineering excellence initiatives such as test automation, CI/CD improvements, security hardening, and operational best practices
• Hands-on experience integrating or operating AI/ML‑enabled capabilities within production services or workflows, including responsible use of AI to enhance user or business outcomes.
• Familiarity with AI-driven developer productivity or observability tools and applying AI-related techniques in a way that is appropriate and safe for large-scale software systems

Accommodation requests If you need assistance with any part of the application or recruiting process due to a disability, or other physical or mental health conditions, please reach out to our Recruiting Accommodations Team through the Accommodation Request.

We are proud to be named as a Best Place to Work on Glassdoor in 2024 and be recognized for award-winning culture by organizations like Forbes, TIME, Disability:IN, and others.

Expedia Group’s family of brands includes: Brand E…