Staff Software Engineer

We're looking for a Staff Software Engineer to provide technical leadership for a team transforming how merchants onboard and activate through agent-enabled experiences. You will partner with Product and engineering leaders to shape the roadmap, prototype innovative ideas, and deliver reliable systems that use merchant signals and personalized recommendations to create measurable business impact.

Responsibilities:

• Lead the architecture and delivery of scalable, MCP-first systems for merchant onboarding, activation, and growth experiences.
• Partner with Product to shape a growth roadmap, identify high-value opportunities, and convert the strongest concepts into production experiences.
• Design integrations that apply high-quality merchant signals and personalized recommendations across Pinterest surfaces and approved external agent ecosystems.
• Build agent-enabled experiences that improve merchant readiness and campaign creation, with clear measurement of their contribution to business impact.
• Use AI to accelerate prototyping, analysis, and iteration while applying judgment and verification to ensure quality, reliability, and user trust.
• Improve the team's AI harness across development, testing, quality validation, and service operations.
• Raise the technical bar through clear technical direction, design reviews, and coaching that helps engineers make thoughtful decisions and deliver with strong ownership.

Requirements:

• Experience leading architecture and delivery for complex software systems spanning product surfaces, backend services, data signals, and external integrations.
• Experience designing agent-enabled systems and MCP-based integrations, with strong judgment around reliability, security, data quality, and user trust.
• Experience partnering with Product to shape roadmaps, prototype new ideas, and make technical trade-offs that support growth goals.
• Experience in experimentation, measurement, and causal thinking, with the ability to connect product and technical decisions to business impact.
• Experience improving the effectiveness of an AI-first engineering team through technical direction, design reviews, coaching, and practical improvements to AI-assisted development, testing, and operations.
• Demonstrated ability to use AI to improve speed and quality in your day-to-day workflow for relevant outputs, while critically evaluating and verifying AI-assisted work.
• Bachelor's degree in computer science or equivalent work experience.

Benefits:

• Salary range: $208,454-$364,795 USD
• Equity eligibility
• Flexible working model (PinFlex)
• In-office collaboration required 1 time per week