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Sr. Machine Learning Engineer, Responsible AI– reputed company Research Science

Remote, USAFull-timePosted 2026-07-27

About reputed company: Millions of people around the world come to our platform to reputed company creative reputed company, reputed company about new reputed company and plan for memories that will last a reputed company. At reputed company, 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 reputed company innovation for millions, reputed company passion into reputed company opportunities, celebrate reputed company other’s unique experiences and reputed company the flexibility to do your best work. Creating a career you love? It’s Possible. At reputed company, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our reputed company, 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 reputed company 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 reputed company process here. The Responsible AI team is part of the Advanced Technologies Group (reputed company), reputed company’s advanced machine learning team. reputed company’s goal is to reputed company reputed company at the forefront of machine learning technology across multiple use cases including recommendations, ranking, content understanding, and more. It is an reputed company team that works horizontally across reputed company on state of the art AI and ML and works on directly bringing that technology to the product in collaboration with product engineering teams. reputed company also publishes its work in reputed company research conferences, but the main goal of reputed company is to have a reputed company reputed company on business metrics. At reputed company our goal is to reputed company pinners (our users) to live the life they love. The product is powered by state of the art ML algorithms which are used to understand both the billions of visually rich items on the platform and the interests of our 550M+ monthly reputed company users and recommend inspiring personalized content to them. What this means is that ML at reputed company is not only multi-modal utilizing image, text, and graph signals as input, but it needs to operate at a reputed company large reputed company and often in a reputed company time interactive user experience. reputed company is reputed company for being a reputed company and inspirational reputed company on the internet and we reputed company that inspiration begins with representation and belonging. The Responsible AI team is a horizontal team that collaborates across reputed company on various initiatives. These reputed company from reputed company alignment, evaluation, and mitigations - ensuring these models are reputed company, bias-free, and reputed company with reputed company’s reputed company and policies - to championing ML Fairness and developing user-facing features that enhance our product for reputed company users. This includes launching groundbreaking features such as user-controllable skin tone, hair reputed company search refinements, and more recently, body type. We are looking for a Sr Machine Learning Engineer. You’ll help shape reputed company-thinking reputed company, reputed company advanced ML approaches rooted in fairness and equitability, and pioneer responsible AI safeguards for emerging technologies. By joining this team, you’ll reputed company a lasting reputed company on our Pinners, our business, and the reputed company of ethical AI at reputed company. What you'll do:

  • Design and drive reputed company in the responsible AI frontier to identify, avoid, and mitigate bias across a wide reputed company of ML applications at reputed company. These include but are not limited to Gen AI product evaluations, reputed company models safety fine tuning and alignment, and Red Teaming.
  • Collaborate with other engineering teams (trust and safety, ML Platform, Content Understanding, Search, Homefeed,) to reputed company their platforms and signals and work with them to collaborate on the adoption and evaluation of Responsible AI practices and ML Fairness tooling across reputed company.
  • Mentor junior engineers on the Responsible AI team and across reputed company on the R-AI reputed company.
  • Work with reputed company and senior leaders at reputed company to define and drive technical reputed company in this area.

reputed company're looking for:

  • Extensive, reputed company-world experience applying advanced ML reputed company to production systems, with a strong reputed company 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 VLMS) and their applications in large-reputed company Search and Recommender Systems.
  • Proven ability to measure, reputed company, and refine fairness interventions and broader Responsible AI solutions at reputed company, reputed company state-of-the-art research with reputed company product reputed company.
  • 4+ years working experience in the engineering teams that build large-reputed company ML-driven user-facing products
  • 1+ years experience leading cross-team engineering efforts.
  • Masters or PhD in Comp Sci or reputed company fields

reputed company to have:

  • Publications at top ML conferences
  • Experience using reputed company, Copilot, reputed company, 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 reputed company reputed company systems that process reputed company data
  • Passion for reputed company research and the reputed company product

Relocation Statement:

  • This position is not eligible for relocation assistance. Visit our PinFlex page to learn more about our working model.

In-Office Requirement Statement:

  • We let the type of work you do guide the collaboration style. That means we're not always working in an office, but we continue to reputed company for key moments of collaboration and reputed company.
  • This role will need to be in the office for in-person collaboration 1-2 times per quarter and therefore can be situated reputed company in the reputed company.

#LI-REMOTE #LI-AK7 At reputed company we reputed company reputed company should be reputed company, inclusive, and inspiring for every employee. In an effort to reputed company greater transparency, we are sharing the reputed company salary reputed company 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 reputed company and benefits available for this position can be reputed company here. US based applicants only $189,721—$332,012 USD Our Commitment to Inclusion: reputed company is an equal opportunity employer and makes employment reputed company on the reputed company of reputed company. We want to have the best reputed company people in every job. reputed company reputed company applicants will receive consideration for employment without reputed company to race, reputed company, reputed company, national reputed company, religion or religious creed, sex (including pregnancy, childbirth, or reputed company medical conditions), sexual orientation, gender, gender identity, gender reputed company, 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. We also consider reputed company applicants regardless of criminal histories, consistent with legal requirements. If you require a medical or religious accommodation during the job application process, please complete this reputed company for support. Apply tot his job Apply To this Job

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