Principal Software Development Engineer
Job details
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.
Principal SDE
Introduction to the team :
Brand Expedia is built for the whole trip traveller, with Cars and Activities playing a central role in bringing that vision to life. Our mission is to create seamless, inspiring, and intuitive travel experiences by elevating shopping, simplifying discovery, and enabling travellers to effortlessly attach and organize every part of their journey.
This Principal role is critical to laying the technology foundation that enables this vision, driving scalable platforms, accelerating innovation, and ensuring our systems are built to support long term growth and evolving traveller needs.
In this role, you will:
Drive architectural decisions, ensuring quality, reliability, and maintainability across large-scale distributed systems.
Mentor, influence, and develop engineering teams, fostering technical excellence and best practices.
Champion the integration and operation of AI/ML‑enabled solutions that improve business and customer outcomes.
Collaborate with cross-functional stakeholders to define technical solutions and deliver impactful business results.
Guide the adoption of modern development methodologies, system design, API design, and robust data modeling practices.
Minimum Qualifications:
Extensive experience (typically 10+ years) in software engineering, with at least several years operating at principal or equivalent level in large-scale systems.
Deep proficiency in one or more technologies such as Java, Kotlin, React, AWS frameworks, with strong hands on coding and system design skills.
Proven ability to own and deliver complex software solutions at multi-service, multi-domain, or organizational scale.
Demonstrated ability to lead cross-team technical initiatives, influence senior stakeholders, and drive architectural decisions for complex products or platforms.
Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.
Preferred Qualifications:
Experience in consumer-facing or marketplace domains such as travel, e-commerce, mobility, or payments, with direct impact on customer or partner outcomes.
Demonstrated leadership in software architecture, driving best practices for code quality, system performance, and scalability.
Strong track record of data-driven decision making and iterative, user-centered solution design.
Ability to safely integrate and operate advanced AI/ML features, including recommenders or personalization engines, within platform services.
Experience with observability and reliability practices, including metrics, logging, tracing, SLOs, and collaboration with SRE/operations teams.
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.
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, religion, gender, sexual orientation, national origin, disability or age.