Principal Software Development Engineer

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

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.

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.

Minimum Qualifications

• 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.

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 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.

Compensation

Estimated total cash range for this position in Austin: $231,000.00–$323,500.00, with potential to increase up to $369,500.00 based on performance.

Benefits

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.

EEO Statement

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.