Principal Software Development Engineer

At Expedia Group we help travelers explore the world one journey at a time. As a global travel company powered by passionate people trusted partnerships and leading technology we connect travelers partners and advertisers through our consumer brands B2B network and travel advertising business.

Here you'll do meaningful work that helps millions of people discover book and experience travel with more ease confidence and joy. Our five Behaviors-Traveler First Think Big Operate with Excellence Ownership Mindset and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility benefits and support to do their best work. Join us and build for travelers everywhere.

Principal Software Development Engineer

Our Technology Team partners with teams across Expedia Group to create innovative products services and tools to deliver high-quality experiences for travelers partners and our employees. A singular technology platform powered by data and machine learning provides secure differentiated and personalized experiences that drive loyalty and traveler satisfaction.
Expedia Global Payments (EGP) is looking for top engineering talent to help drive the development of our payment platform seamlessly roll out new payment methods and continuously improve on our operational excellence and engineering practices. We offer a highly dynamic set of services that enable customers from all over the world to pay for travel in a variety of ways. We build operate and improve payment services for Expedia Group's brands our suppliers (hoteliers airlines vacation rental owners/agencies etc.) and our corporate needs. We do this accurately and at scale processing over $100 billion payments in 55+ currencies in over 155 countries every year and across a diverse set of payment options! This opportunity presents great technical challenges and the ability to have a tremendous business impact.
Technology and innovation are at the heart of our organization. We provide solutions that reduce the cost of payments and improve performance scalability availability and resiliency. We also provide an abundance of functional support to services in our platform and the needs are ever-growing as we adapt to new payment solutions and capabilities.

This position focuses not only on implementing innovative software solutions for e-commerce payments systems at scale but also on being a role model and mentor to your fellow engineers. You will get to expand your skills in building highly scalable solutions while influencing others and raising the bar on the overall level of excellence within the team. You will also get the opportunity to influence decisions across the technology ecosystem within Expedia Group by being a key domain guide. Additionally your input will be critical to the selection of new senior-level hires on the team.
In this role you will:

• Lead the design and implementation of complex scalable software systems and services that span multiple domains or organizations.

• 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 (LLD) API design and robust data modeling practices.

Minimum Qualifications:

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

• 10+ years of relevant professional experience.

• Proven track record of leading complex technical initiatives across multiple systems domains or organizational boundaries.

• Demonstrated expertise in system design large-scale architecture API design and data modeling.

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

Preferred Qualifications:

• Experience architecting and operating distributed systems at scale including service-oriented and microservices architectures.

• Deep knowledge of designing integrating and optimizing AI/ML‑enabled features into production software environments.

• Demonstrated leadership in driving operational excellence automation and continuous improvement across engineering teams.

• Skilled in data-driven decision making and leveraging metrics to optimize product and technology outcomes.

• Expertise in safely integrating and operating AI/ML‑enabled solutions to deliver measurable business improvements.

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.

Benefits and perks

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 https://careers.expediggroup.com/life.

Accommodation requests

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 https://expedia.service-now.com/askeg?id=job_accommodation.

About Expedia Group

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.

Important notice

Employment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is https://careers.expediagroup.com/jobs/.

Equal Opportunity

What We Do

Expedia Group powers travel for everyone everywhere through our global platform. Driven by the core belief that travel is a force for good we help people experience the world in new ways and build lasting connections. We provide industry-leading technology solutions to fuel partner growth and success while facilitating memorable experiences for travelers. 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™.

Why Work With Us

As travelers and technologists we are passionate about making travel more seamless accessible and memorable. We embrace different perspectives celebrate new ideas and empower every Expedian to drive meaningful change. The experiences we create bridge divides and broaden horizons – helping create unforgettable memories through travel.

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