Senior Full-Stack Engineer, Partner Supply Platform

Expedia Group; Seattle (WA); On-site; USD 146,000 - 205,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

Paid time off

Employee Assistance Program

Wellness and travel reimbursement

Travel discounts

IATAN membership

Job summary

Expedia Group is seeking a senior software engineer to design, build, and evolve full-stack services with scalable data models and secure APIs. You will own the lifecycle from development to deployment, ensuring reliability and observability across multiple services.

You will collaborate with product and design teams, applying data-driven methods and AI/ML concepts to real-world travel platforms. Seattle-based role with strong ownership expectations.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience in software development.
• 5+ years of professional experience building and operating production software services and full-stack applications (frontend and backend) within a team environment.
• Proven ownership of services or components, including responsibility for design, implementation, quality, deployment, and operational health within a product or domain area.
• Proficiency in core software engineering fundamentals, including data structures, algorithms, system design (LLD), API design, and data modeling, with experience applying these in real systems.
• Hands-on experience with modern web technologies, frameworks, and service architectures, and familiarity with using AI-driven tools or workflows to enhance developer productivity or product capabilities.

Responsibilities

• Design, build, and evolve full‑stack services and customer experiences, including system design (LLD), API design, and data modeling for scalable, secure, and reliable solutions.
• Implement high‑quality frontend and backend code, ensuring maintainability, observability, and operational excellence across multiple services and domains.
• Collaborate with product, design, and partner engineering teams to translate business and customer requirements into robust technical solutions that can be reused across use cases.
• Own and improve the end‑to‑end lifecycle of services and features, including development, automated testing, deployment, monitoring, and incident resolution.
• Apply data‑driven approaches to prioritize work, validate hypotheses, and continuously optimize system performance, reliability, and user experience.
• Safely integrate and operate AI/ML‑enabled solutions that improve outcomes, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products

Skills

Software fundamentals

Data structures

Algorithms

System design (LLD)

API design

Data modeling

Web technologies

AI/ML tools

Education

Bachelor’s degree in CS/Engineering or related field

Tools

Modern web frameworks

Service architectures

Job description

Expedia Group is seeking a senior software engineer to design, build, and evolve full-stack services with scalable data models and secure APIs. You will own the lifecycle from development to deployment, ensuring reliability and observability across multiple services.

You will collaborate with product and design teams, applying data-driven methods and AI/ML concepts to real-world travel platforms. Seattle-based role with strong ownership expectations.