Software Development Engineer III

Expedia•Austin, TX

86d•Hybrid

About The Position

Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. The Software Development Engineer III position is part of the Servicing team, which builds and supports Web and Native App traveler self-service experiences for all Expedia brands and partners. In this role, you will design, build, and operate servicing experiences across web and native apps, collaborating closely with Product, XD, and Program Management. You will contribute to the technical design and implementation of scalable services and user experiences in the traveler Servicing space, including applying AI- and agentic-driven capabilities to help travelers resolve their needs quickly and intuitively. As an SDE III, you will be a hands-on engineer, owning features end-to-end and helping to elevate engineering practices on the team through high-quality code, testing, and operational excellence.

Requirements

Bachelor's degree in Computer Science or a related technical field; or Equivalent related professional experience.
5+ years of relevant professional experience.
Professional software development experience designing, implementing, and operating services or applications in at least one modern programming language and ecosystem.
Demonstrated experience owning the end-to-end lifecycle of services or components, including system design, API design, data modeling, testing, deployment, and production support.
Hands-on experience with distributed systems, service-oriented or microservice architectures, and working with data stores (relational and/or NoSQL) and messaging or streaming technologies.

Nice To Haves

5+ years of full‑stack development experience across front‑end and back‑end services
Recent hands-on experience building and operating Node.js + React-based applications in production
Experience implementing and maintaining GraphQL-based backends
Experience designing and implementing service APIs and data models consumed by multiple teams or products
Experience running production services with monitoring, alerting, and on-call participation (e.g., pager rotation)
Experience as a Clean Code practitioner committed to producing high-quality code.
Solid experience with agile project methodologies and working with distributed teams.

Responsibilities

Design, build, and evolve highly available, performant, and secure services and applications, including system design (LLD), API design, and data modeling across multiple domains.
Implement clean, maintainable, and well-tested code, performing code reviews and providing technical guidance to improve code quality, reliability, and operational readiness.
Own end-to-end delivery of features and services, including requirements refinement, technical design, implementation, testing, deployment, and ongoing support in production.
Diagnose and resolve complex production issues, improve observability and resiliency, and drive continuous improvements in availability, latency, and cost efficiency.
Collaborate with cross-functional partners (product, program, design, analytics, operations) to translate business and customer requirements into scalable technical solutions that work across multiple product areas.
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.