Job Description

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Character.ai provides open-ended conversational applications in which users create characters and converse with them. As a Machine Learning Engineer, you will fine-tune AI models, optimize their performance, and contribute to advancements in AI technology.

Responsibilities

• Develop alignment algorithms and loss functions to improve data sample efficiency.
• Write data pipelines to process diverse web data into a format models can ingest.
• Identify quality signals to understand our model’s performance in the real world.
• Design sampling algorithms to improve serving efficiency of large generative models.

Qualification

Required

• At least 1+ year working with a top tier Silicon Valley startup
• Write clear and clean production-facing and training code
• Strong understanding of modern machine learning techniques (reinforcement learning, transformers, diffusion, autoregression, etc)

Preferred

• Experience with product experimentation and A/B testing
• Experience with data pipelines and data infrastructure
• Experience training large models in a distributed setting
• Familiarity with ML deployment and orchestration (Kubernetes, Docker, cloud)
• Publications in relevant academic journals or conferences in the field of machine learning

Seniority level

• Seniority level

  Entry level

Employment type

• Employment type

  Full-time

Job function

• Industries

  Software Development

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Inferred from the description for this job

Medical insurance

Vision insurance

401(k)

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