Software Development Engineer III (Agentic AI)

Expedia•San Jose, CA

50d•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 Inspire and Plan team, which sits within our Product & Technology division, owns our homepage, landing, navigation, app growth, and trip‑planning experiences, showcasing Expedia Group’s travel offerings. Through brand‑differentiated, personalized, and contextual journeys, we help travelers plan their perfect trip with confidence while maximizing marketing efficiencies and traffic acquisition performance.

Requirements

Bachelor’s degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
Professional software development experience (typically 5+ years) building and operating production services or applications.
Proven experience designing and implementing RESTful or gRPC APIs, low-level system designs, and data models for scalable, distributed systems.
Proficiency in at least one modern programming language (such as Java, Kotlin, C#, Python, or similar) and in core software engineering practices including testing, code review, and CI/CD.
Experience integrating or working with AI-driven systems, tools, or workflows in production contexts, with an understanding of how to apply AI/ML concepts to real world products.

Nice To Haves

Experience designing and evolving service and data architectures that operate at scale, including consideration for performance, resiliency, and cost efficiency in cloud environments.
Demonstrated track record driving end‑to‑end technical solutions for complex projects, from technical design and implementation through deployment, monitoring, and iterative improvement.
Hands-on experience safely integrating and operating AI/ML‑enabled solutions, such as agentic workflows, recommendation systems, or generative AI features, including monitoring model behavior and performance.
Experience with observability tooling, automated testing strategies, and operational best practices that improve reliability and reduce mean time to recovery across multiple services or domains.
Strong background applying data-driven decision making to evaluate alternatives, optimize system behavior, and refine AI‑enabled product experiences, with additional depth in agentic AI patterns, orchestration frameworks, or LLM-based systems.

Responsibilities

Design, implement, and maintain highly available, performant services and applications leveraging agentic AI capabilities to solve complex traveler and partner problems.
Develop clean, testable, and maintainable code across the stack, including robust system design (low-level design), API design, and data modeling aligned with Expedia Group engineering standards.
Integrate AI-driven systems, tools, or workflows into production services, including safely integrating and operating AI/ML‑enabled solutions that improve outcomes for customers and internal users.
Collaborate with product, applied science, and platform teams to translate business and AI/ML requirements into scalable technical solutions, contributing to technical design reviews and architecture discussions.
Instrument services with monitoring, logging, and alerting to ensure reliability, observability, and operational excellence, participating in on-call or incident response as needed.
Contribute to engineering best practices, code reviews, and knowledge sharing to enable fungibility across multiple domains and services within the broader platform.