Pinterest ยท 12 hours ago
Machine Learning Engineer II, LLM Applied Science
San Francisco, CA
Full-time
Hybrid
Entry Level
$139K/yr - $286K/yr
1+ years expPinterest is a platform where millions find creative ideas and plan memorable experiences. As a Machine Learning Engineer II, you will tackle challenges in large language models and generative AI, conducting research that impacts various engineering teams and collaborating closely with partners to implement effective solutions.
InternetSocial BookmarkingSocial MediaSocial NetworkSoftware
Responsibilities
Contribute to cutting-edge research in LLMs and generative AI that can be applied to Pinterest problems
Collect, analyze, and synthesize findings from data, translate research insights into practical, scalable solutions
Curate and generate training data with strong quality controls
Build reliable evaluation strategies for LLM systems (offline metrics, human evaluation, redteaming, robustness & safety)
Write clean, efficient, and sustainable code, collaborate closely with engineering partners to land research into real systems
Develop LLM powered methods to solve modeling and ranking problems across growth, discovery, ads and search
Explore and productionalize techniques such as instruction tuning, preference optimization, RAG / tool-calling, and prompt / model optimization
Scope and independently solve moderately complex problems
Qualification
Required
MS/PhD in Computer Science, ML, NLP, Statistics, Information Sciences or related field
1-2 years of internship or professional experience
Strong foundation in modern deep learning for NLP (transformers, representation learning, scaling law)
Mastery of at least one systems languages (Java, C++, Python) or one ML framework (Tensorflow, Pytorch, MLFlow)
Experience in research and in solving analytical problems
Cross-functional collaborator and strong communicator
Comfortable solving ambiguous problems and adapting to a dynamic environment
Company
Pinterest is a visual bookmarking tool for saving and discovering creative ideas.
1001-5000 employees
H1B Sponsorship
Pinterest has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (377)
2024 (311)
2023 (215)
2022 (314)
2021 (202)
2020 (166)
Funding
Current Stage
Public CompanyTotal Funding
$1.49BKey Investors
Elliott Management Corp.Brandtech VenturesSV Angel
2022-07-14Post Ipo Equity
2020-01-01Post Ipo Equity
2019-04-18IPO
Leadership Team
Bill Ready
Chief Executive Officer
Julia Brau Donnelly
Chief Financial Officer
Recent News
Social Media Today
2026-01-08
Media Post
2026-01-08
2026-01-07
Company data provided by crunchbase