Senior AI Foundations Engineer - Agentic Platform Lead

Expedia Group; Washington (District of Columbia); On-site; USD 185,000 - 258,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Paid time off

Wellness and travel reimbursement

Travel discounts

Job summary

Expedia Group seeks a Senior Software Development Engineer to join the AI Foundations team. You will design, develop, and operate scalable, high-quality software solutions that enable agentic AI capabilities across our platform.

You will lead system and API design, data modeling, and ensuring reliability, observability, and compliance while collaborating with product, data, and platform teams to deliver reusable features across domains.

Qualifications

• Bachelor’s degree in Computer Science or related field or equivalent professional experience.
• 6+ years of professional software development experience with a Master’s degree, or 8+ years with a Bachelor’s degree.
• Proven ownership of the end-to-end lifecycle of one or more services or components, including design, implementation, testing, deployment, monitoring, and incident response.
• Strong proficiency in at least one modern programming language (e.g. Java, Kotlin, Python) and system design (LLD), API design, and data modeling for scalable, reliable services.
• Familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products, including integrating AI/ML capabilities into user-facing or platform services.

Responsibilities

• Design, build, and evolve scalable, resilient services and systems that power agentic AI capabilities across our platform.
• Lead system design (including low-level design), API design, and data modeling for complex, distributed services that integrate traditional software components with AI-driven workflows.
• Safely integrate and operate AI/ML‑enabled solutions that improve outcomes, ensuring quality, robustness, observability, and compliance across experimentation, training, and production environments.
• Partner with product, applied science, data, and platform teams to define technical direction, break down ambiguous problems, and deliver high-impact features that are reusable across multiple product domains.
• Drive engineering excellence by setting standards for code quality, testing, performance, security, and reliability, and by mentoring other engineers in modern software and AI development practices.
• Leverage familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products to design agentic orchestration, tool interfaces, and safeguards that improve developer and traveler experiences.

Skills

Java

Kotlin

Python

LLD design

API design

Data modeling

Education

Master’s degree in Computer Science or related field

Bachelor’s degree in Computer Science or related field

Job description

Expedia Group seeks a Senior Software Development Engineer to join the AI Foundations team. You will design, develop, and operate scalable, high-quality software solutions that enable agentic AI capabilities across our platform.

You will lead system and API design, data modeling, and ensuring reliability, observability, and compliance while collaborating with product, data, and platform teams to deliver reusable features across domains.