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Pinterest · 20 hours ago

Machine Learning Engineer II, LLM Applied Science

California, United States

Full-time

Hybrid

Entry Level

$139K/yr - $286K/yr

1+ years exp

Pinterest is a platform that inspires creativity and innovation. They are seeking a Machine Learning Engineer II to contribute to cutting-edge research in large language models and generative AI, translating research insights into practical solutions and collaborating with engineering teams.

InternetSocial BookmarkingSocial MediaSocial NetworkSoftware

Comp. & Benefits

No H1B

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

Deep learning for NLPLLM trainingAdaptationPythonJavaC++TensorflowPytorchResearch experienceCross-functional collaborationCommunicationProblem-solvingAdaptability