Senior Software Development Engineer (GenAI, Agentic AI)

Expedia Group seeks a senior engineer to lead architecture and delivery of real-time, AI-powered fraud and abuse defense systems globally within the Fraud & Risk division, protecting the marketplace across all customer touchpoints and channels.

Key Responsibilities:

• Own technical architecture for AI-driven risk solutions and design cloud-native decisioning and automated remediation systems
• Integrate generative and agentic AI into fraud detection workflows
• Build, deploy, and operate ML solutions in production
• Establish SLOs, observability, and safety mechanisms
• Evaluate and benchmark vendor and open-source AI solutions
• Modernize the platform and align cross-functional teams around measurable outcomes
• Mentor other engineers on AI adoption

Minimum Qualifications:

• 9+ years of software engineering experience with production ML/AI systems
• Demonstrable experience building, monitoring and debugging LLM and multi-agent applications, with frameworks and platforms such as LangChain, LangGraph, Langfuse, or equivalent
• Strong coding skills in Java, Scala, Go, or Python
• Distributed cloud-native engineering experience (AWS, GCP, Azure)
• SQL/NoSQL databases and data streaming expertise

Tech stack includes LangChain, LangGraph, Langfuse, LlamaIndex, vector databases (Pinecone), LLM providers (OpenAI, Gemini, Anthropic), and streaming infrastructure (Kafka, Flink, Spark).

Compensation: base cash range $184,500 - $258,000, with performance-based total potential up to $295,000.