Principal Software Development Engineer

Principal Software Development Engineer – Expedia Global Payments (EGP)

Our Technology Team partners across Expedia Group to create innovative products, services, and tools that deliver a high‑quality experience for travelers, partners, and employees. This role focuses on building, operating, and improving large‑scale payment services, processing over $100B in payments annually across 155+ countries.

• Lead the design and implementation of complex, scalable software systems and services across multiple domains.
• 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 practices, system design (LLD), API design, and robust data modeling practices.

• Bachelor’s degree in Computer Science or a related technical field, or equivalent 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, and workflows, and the ability to apply AI/ML concepts to real‑world products.

• 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 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.

Estimated total cash range for this position in Austin: $–$, with potential to increase up to $ based on performance.

Full benefits package including medical, dental, vision, paid time off, Employee Assistance Program, wellness & travel reimbursement, travel discounts, and International Airlines Travel Agent (IATAN) membership.

Expedia Group is committed to creating an inclusive work environment. 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. Expedia is an E‑Verify employer.