Principal Software Engineer - AI-Driven Payments Platform

11105 Expedia, Inc.; Austin (TX); On-site; USD 231,000 - 370,000; Full time

Benefits offered by this job

Medical, dental and vision coverage

Travel discounts

IATAN membership

Job summary

Expedia Group seeks a Principal Software Development Engineer for Expedia Global Payments in Austin to lead the design and operation of large-scale payment services, processing over $100B annually in 155+ countries. You will mentor teams, drive architecture decisions, and champion AI/ML-enabled features to improve outcomes.

The role emphasizes building reliable distributed systems, modern API design, and data modeling, with opportunities to influence across domains and improve business results.

Qualifications

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

Responsibilities

• 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.

Skills

Large-scale systems design

API design

AI/ML familiarity

Leadership

Mentorship

Education

Bachelor's degree in Computer Science or related field

Tools

Distributed systems

Job description

Expedia Group seeks a Principal Software Development Engineer for Expedia Global Payments in Austin to lead the design and operation of large-scale payment services, processing over $100B annually in 155+ countries. You will mentor teams, drive architecture decisions, and champion AI/ML-enabled features to improve outcomes.

The role emphasizes building reliable distributed systems, modern API design, and data modeling, with opportunities to influence across domains and improve business results.