Machine Learning Engineer II

Responsibilities

• Prototype new architectures for Pinterest vision-language models and fine-tune open-source LLMs.
• Improve visual perception and tool-use capabilities of multimodal models.
• Develop evaluation benchmarks for vision-centric capabilities such as fashion-style recommendations.
• Collect visual training data for Pinterest Canvas, including data for RLHF and targeted fine-tuning.
• Read research papers, participate in technical discussions, and help define the company’s visual generative strategy.
• Publish and publicize work through conferences, paper submissions, and blog posts.

Requirements

• At least 2 years of industry experience in computer vision.
• M.S. or PhD in machine learning, computer science, or a related field.
• Experience with generative computer vision models, preferably including visual encoders and LLMs.
• Preferred qualifications include publications at top machine learning conferences.
• Preferred experience includes Cursor, Copilot, Codex, or similar AI coding assistants.
• Familiarity with LLM-powered tools for documentation search, experiment analysis, SQL and data exploration, and engineering workflow acceleration is a plus.

Benefits

• Remote within the country, with in-person office collaboration required 1–2 times per quarter.
• Eligible for equity.
• Not eligible for relocation assistance.