Pinterest is seeking a Staff Software Engineer to lead the backend architecture and implementation of a GenAI-powered Conversion Health agent. This role will focus on enhancing the ads marketplace by connecting on-Pinterest intent with offsite conversions while ensuring privacy. The engineer will collaborate with various teams to build tailored solutions and improve existing GenAI applications. The position requires a strong background in backend systems and ads domain expertise.

• 8+ years of backend or full-stack software engineering experience building large-scale distributed systems, services, and data pipelines.
• Proven track record shipping GenAI- or ML-powered products end-to-end.
• Required prior ads domain expertise, preferably in measurement, including conversion tracking and attribution.
• Strong proficiency in product scoping, data analysis, and experimentation.
• Demonstrated technical leadership across teams.
• Experience upleveling engineers in AI tooling and best practices.
• Bachelor’s degree in Computer Science, Engineering, a related field, or equivalent experience.

• Operate in a forward-deployed style, partnering with internal teams to understand workflows and build tailored solutions.
• Own the design and implementation of the Conversion GenAI agent, including services and data flows.
• Evolve existing GenAI applications by improving retrieval quality and making the agent reliable for monitoring.
• Design connections between the sub-agent and downstream ads products, including APIs and workflows.
• Consolidate measurement context layers into high-quality, AI-consumable signals.
• Partner with various teams to translate measurement pain points into agent skills.
• Lead an evolving GenAI culture and collaboration model across organizations.