Pinterest

Machine Learning Engineer II, Responsible AI

Pinterest$138K — $285K *
US-AnywhereRemote in San Francisco, CA
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Extensive experience with advanced machine learning methods in production environments focused on responsible technology.
  • Familiarity with ML architectures like transformers and LLMs, especially in search and recommendation systems.
  • Ability to implement and evaluate fairness interventions and Responsible AI solutions at scale.
  • Minimum 2 years of experience in engineering teams building large-scale ML-driven applications.
  • Masters or PhD in Computer Science or a related field.

Responsibilities

  • Execute projects in responsible AI to mitigate bias in various ML applications at Pinterest.
  • Collaborate with engineering teams to implement Responsible AI practices and ML fairness tooling.
  • Mentor junior engineers in the Responsible AI field and related projects.
  • Define and drive technical strategies for responsible AI alongside senior leaders.

Benefits

  • Equitable and inspiring workplace culture.
  • Flexible working model through PinFlex.
  • Equity opportunities as part of the compensation package.
Full Job Description
What you'll do:
  • execute on projects in the responsible AI frontier, to identify, avoid, and mitigate bias across a wide range of ML applications at Pinterest including generative AI.
  • Collaborate with other engineering teams (trust and safety, user modeling, content understanding,) to leverage their platforms and signals and work with them to collaborate on the adoption and evaluation of Responsible AI practices and ML Fairness tooling across Pinterest.
  • Mentor junior engineers on the Responsible AI team and across the company on the R-AI space.
  • Work with the team and senior leaders at the company to define and drive technical strategy in this area.

What we're looking for:
  • Extensive, real-world experience applying advanced ML methods to production systems, with a strong track record in responsible technology - spanning fairness, ethics, and broader societal considerations.
  • Deep familiarity with cutting-edge ML architectures (e.g., transformer-based models, 2-tower architectures, LLMs) and their applications in large-scale Search and Recommender Systems.
  • Proven ability to measure, deploy, and refine fairness interventions and broader Responsible AI solutions at scale, bridging state-of-the-art research with tangible product impact.
  • 2+ years working experience in the engineering teams that build large-scale ML-driven user-facing products
  • Masters or PhD in Comp Sci or related fields

Nice to have:
  • Publications at top ML conferences
  • Experience using Cursor, Copilot, Codex, or similar AI coding assistants for development, debugging, testing, and refactoring
  • Familiarity with LLM-powered productivity tools for documentation search, experiment analysis, SQL/data exploration, and engineering workflow acceleration
  • Expertise in scalable realtime systems that process stream data
  • Passion for applied research and the Pinterest product
    Relocation Statement:
    • This position is not eligible for relocation assistance. Visit our PinFlex page to learn more about our working model.

    #LI-HYBRID


At Pinterest we believe the workplace should be equitable, inclusive, and inspiring for every employee. In an effort to provide greater transparency, we are sharing the base salary range for this position. The position is also eligible for equity. Final salary is based on a number of factors including location, travel, relevant prior experience, or particular skills and expertise.

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

US based applicants only

$138,905-$285,982 USD

About Pinterest

Pinterest is a social media platform that allows users to discover and save ideas for recipes, home decor, fashion, and more. The company was founded in 2010 and is headquartered in San Francisco, California. Pinterest has over 400 million monthly active users and is available in over 30 languages. The company's mission is to help people discover and do what they love.
Learn more about Pinterest
Size
3,225 employees
Market Cap
$16 billion
Industry
Net Income
-$128.3 million
Founded
2009
5 Year Trend
+53.9%
Revenue
$1.6 billion
NASDAQ

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