Sr. Staff Software Engineer, AI Platform

About the Position

Sr. Staff Software Engineer, AI Platform

Palo Alto / Remote

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About Pinterest

Millions of people around the world come to our platform to find creative ideas, dream about new possibilities, and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product.

Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences, and embrace the flexibility to do your best work. Creating a career you love? It’s Possible.

At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI.

Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here.

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Responsibilities

As a Senior Staff Software Engineer on the AI Platform team, you will shape and scale Pinterest’s AI/ML evaluation platform into a unified, reliable system adopted company-wide. You will identify modernization opportunities, elevate the roadmap, and execute technical strategy of a durable evaluation system for GenAI and ML workloads at Pinterest, partnering across engineering, research, product, and safety to improve quality, launch decisions, and trust in AI-powered experiences.

• Identify modernization opportunities and scale the roadmap for a company-wide evaluation system in partnership with technical leadership
• Define cross-team technical strategy, align partner teams, and drive broad adoption of shared evaluation capabilities
• Make durable architectural decisions that improve the user experience and reliability of Pinterest’s AI/ML evaluation platform
• Establish evaluation methodologies and standards that balance automated metrics, expert judgment, human feedback, safety, and business outcomes
• Lead complex cross-team workstreams, resolve technical tradeoffs and risks, and deliver impact

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Requirements

• 3+ years of deep, hands-on experience designing and operating evaluation systems for GenAI and complex ML systems, including benchmark design, golden datasets, automated metrics, human evaluation, model-based grading, and failure analysis
• Strong programming skills in Python coupled with a solid grasp of distributed systems principles, and comfortable iterating with AI tools on coding and design
• Deep familiarity with GenAI and RecSys evaluation libraries and frameworks, AutoEvals, OpenEvals, Ragas, etc
• 5+ years of experience building scalable platforms for distributed experimentation, data and model versioning, orchestration, observability, release management, and production monitoring
• Strong judgment around GenAI risks, including robustness, bias, privacy, security, and the limitations of automated evaluation signals
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience

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We Offer

• Competitive salary range: $208,592-$429,454 USD
• Equity eligibility
• Hybrid work model with in-person collaboration 1-2 times/quarter
• Comprehensive benefits package

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About the Company

At Pinterest, we believe the workplace should be equitable, inclusive, and inspiring for every employee. We are committed to providing a diverse and inclusive environment for all employees. We are an equal opportunity employer and make employment decisions on the basis of merit. All qualified applicants will receive consideration for employment without regard to race, color, ancestry, national origin, religion or religious creed, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, age, marital status, status as a protected veteran, physical or mental disability, medical condition, genetic information or characteristics (or those of a family member) or any other consideration made unlawful by applicable federal, state or local laws.

Information regarding the culture at Pinterest and benefits available for this position can be found here.