Senior Principal SDE - AI-Driven Payments Architect

Expedia, Inc.; Austin (TX); On-site; USD 231,000 - 324,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

Paid time off

Wellness and travel reimbursement

IATAN membership

Job summary

Expedia Group is seeking a Principal Software Development Engineer in Austin. You will lead the design and implementation of highly scalable software systems spanning multiple domains, mentor teams, and drive AI/ML-enabled solutions for travel payments and related platforms.

You will influence architectural decisions, collaborate with cross-functional partners, and promote best practices across engineering groups, ensuring reliable, maintainable services at scale.

Qualifications

• Bachelor’s degree in Computer Science or related field or equivalent experience.
• 10+ years of professional software engineering experience.
• Proven track record of leading complex technical initiatives across multiple systems, domains, or organizational boundaries.
• Expertise in system design, large-scale architecture, API design, and data modeling.
• Familiarity with AI-driven systems and applying AI/ML concepts to real-world products.

Responsibilities

• 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.

Skills

Leadership

Distributed systems

API design

AI/ML concepts

Mentoring

Cross-functional collaboration

Education

Bachelor’s degree in Computer Science or related field

10+ years of relevant professional experience

Job description

Expedia Group is seeking a Principal Software Development Engineer in Austin. You will lead the design and implementation of highly scalable software systems spanning multiple domains, mentor teams, and drive AI/ML-enabled solutions for travel payments and related platforms.

You will influence architectural decisions, collaborate with cross-functional partners, and promote best practices across engineering groups, ensuring reliable, maintainable services at scale.