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Pinterest

Sr. Staff Software Engineer, Pinterest Assistant

Pinterest
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about 4 hours ago
Remote, United States or San Francisco, CA, USAStaff+
H1B Sponsor

Base Salary

$209k - $429k/yr

Responsibilities

  • Define and drive the technical vision and architecture for backend systems powering Pinterest Assistant at scale.
  • Lead design and implementation of orchestration, memory, personalization, context management, APIs, tool integrations, and backend infrastructure.
  • Drive foundational platform investments that improve Assistant capabilities, developer velocity, reliability, and scalability.
  • Partner with Product, Design, Frontend, Infrastructure, and Machine Learning teams on personalized multimodal conversational experiences.
  • Shape systems for retrieval, context assembly, tool execution, memory, and model orchestration.
  • Establish production practices for LLM and agent systems, including observability, logging, evaluations, safety mechanisms, rollout strategies, and incident response.
  • Mentor engineers through architecture reviews and technical guidance while raising the engineering bar.
  • Influence technical direction across teams and contribute to Pinterest’s broader AI platform strategy.

Requirements

  • Bachelor’s degree in a relevant field such as computer science or equivalent experience.
  • 10+ years of backend software engineering experience, including significant experience leading large, ambiguous systems for consumer experiences as a senior individual contributor.
  • 3+ years operating as a technical lead for the architecture and development of large-scale distributed backend systems.
  • Strong backend engineering experience with Python, TypeScript, Node, or similar languages and ecosystems.
  • Experience building platforms or foundational infrastructure that enables product teams to move faster.
  • Strong understanding of modern model-driven systems and experience partnering with machine learning engineers on AI-powered products.
  • Familiarity with retrieval, ranking, personalization, inference, context management, or orchestration concepts.
  • Track record of mentoring senior engineers and elevating engineering quality across an organization.
  • Ability to lead through ambiguity, balance strategy with hands-on implementation, and make pragmatic architectural decisions.
  • Preferred experience includes AI-powered or LLM-based products, conversational AI, agents, tool calling, multimodal systems, retrieval, ranking, recommendation, search, personalization, embeddings, retrieval-augmented generation, memory architecture, evaluation frameworks, experimentation, quality frameworks, and full-stack development.

Benefits

  • Eligible for equity.
  • Not eligible for relocation assistance.
  • Requires in-office collaboration once per quarter and may be situated anywhere in the country.
  • Benefits information is provided separately by Pinterest.
Pinterest

About Pinterest

1,001-5,000 employees

Pinterest's mission is to bring everyone the inspiration to create a life they love. It's the visual inspiration platform where more than 600 million monthly active users worldwide come to search, save, and shop the best ideas in the world for all of life’s moments.