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The Senior Software Development Engineer will design and build backend services for the GenAI Platform, integrating AI-driven capabilities and ensuring secure, scalable solutions while collaborating with other teams.

The role involves analyzing ad auction mechanisms, designing experiments, building econometric models, and collaborating with cross-functional teams to improve marketplace optimization.

Design, build, and operate the core GraphQL platform including routers, schema workflows, and infrastructure. Collaborate with engineering teams, support platform users, improve observability, perform code reviews, drive CI/CD and platform reliability, and leverage AI to modernize tooling.

The Sr. Treasury Manager manages foreign currency risks, leads hedging strategies, and supports financial operations in a dynamic global context.

Lead and scale technical program management for multi-product shopping initiatives. Define strategy and roadmaps, drive large cross-team deliveries, manage risks and dependencies, partner with engineering/product/architecture, establish PM best practices, and mentor a team while leveraging data and AI/ML to improve delivery and outcomes.

Lead the Vrbo partner marketing team to define growth strategy and roadmap, drive campaign execution focused on measurable outcomes, improve partner engagement and product adoption, partner cross-functionally, represent marketing in leadership forums, and manage team resourcing and prioritization.

Lead the applied ML science team for Marketing to build production ML models and optimization systems for bidding and capital allocation. Own roadmap and OKRs, drive experimentation and measurement, ensure MLOps and production reliability, hire and develop talent, and partner cross-functionally to deliver measurable business impact.

As a Software Development Engineer III, you will design and implement high-performance C++ systems, conduct code reviews, mentor engineers, and solve complex technical problems in a collaborative environment.

Design and deliver AI-powered fraud defenses, build cloud-native systems, collaborate across teams, and mentor engineers in a dynamic environment.

Define and execute the scientific roadmap for search and recommendation: architect large-scale ranking and retrieval systems, develop and distill Ranking Foundation Models, integrate vector/RAG/hybrid retrieval into production, partner with product and engineering, and lead and scale multidisciplinary ML teams to optimize marketplace health.