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:
Expedia is transforming the way people search for and book travel. We create seamless and unforgettable experiences for traveler’s while driving success for our travel partners. At Expedia Group, the Book to Trip team plays a pivotal role in turning travel bookings into memorable journeys. Our focus is on delivering a secure, seamless booking experience and providing an always-on trip companion that enhances every traveler journey, while maximizing value for our partners and Expedia.

As a core part of this broader team, the Reservations team manages bookings and provides reservation services across all Expedia Group points of sale. The platform is built on a modern microservices architecture and operates in the cloud using Amazon Web Services (AWS), ensuring scalability, resilience, and extensibility. We are driving key initiatives to make the reservation platform more flexible for product servicing, while continuing to uphold the highest standards of performance and reliability.

We are looking for a high-performing and influential individual contributor who leads by example, mentor’s junior engineers, consistently interfaces with tech leadership in the local organization, takes ownership of complex and vaguely defined projects, and demonstrates emerging team leadership skills based on current initiatives.

In this role, you will:

• Design and develop complex software systems and services, applying advanced system design, API design, and data modeling techniques

• Lead the implementation of scalable, reliable, and maintainable solutions across multiple domains or platforms

• Drive technical decisions and mentor other engineers to elevate team knowledge and performance

• Collaborate with cross-functional teams to translate business requirements into robust technical solutions

• Safely integrate and operate AI/ML-enabled solutions that improve outcomes, ensuring responsible and effective use of AI technologies

• Foster a culture of continuous improvement by identifying opportunities to optimize processes, code quality, and system performance
  

Minimum Qualifications:

• Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience

• 8+ years of professional backend software development experience in an object‑oriented language (e.g., Java, Kotlin, or similar)

• Demonstrated ownership of services, multi-service architectures, or domain solutions at an organizational level

• Proven expertise in advanced system design, API development, and data modeling for large-scale distributed systems

• Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products
  

Preferred Qualifications:

• Deep experience designing, scaling, and operating distributed systems in production environments

• Track record of providing technical leadership and driving architectural decisions for complex projects

• Proactive in optimizing software for performance, reliability, and security at enterprise scale

• Strong data-driven decision-making skills and a commitment to operational excellence

• Experience leveraging AI/ML to deliver innovative solutions within system and software engineering contexts

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 Expedia®, Hotels.com®, Expedia® Partner Solutions, Vrbo®, trivago®, Orbitz®, Travelocity®, Hotwire®, Wotif®, ebookers®, CheapTickets®, Expedia Group™ Media Solutions, Expedia Local Expert®, CarRentals.com™, and Expedia Cruises™. © 2024 Expedia, Inc. All rights reserved. Trademarks and logos are the property of their respective owners. CST: 2029030-50

Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never provide sensitive, personal information to someone unless you’re confident who the recipient is. Expedia Group does not extend job offers via email or any other messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com/jobs .