Senior Machine Learning Engineer, Safety
Core
Building and iterating on next-generation safety systems using large language models to enforce Reddit Rules and keep users safe.
Role type
Senior Machine Learning Engineer (Safety)
Builds
Scalable LLMs and NLP pipelines for content safety and rule enforcement
Domain
Social media safety, Natural Language Processing, Large Language Models
Deliverable
production ML models
Required skills
Python, TensorFlow, PyTorch, Hugging Face Transformers, distributed training (Ray, PyTorch Distributed), data preprocessing, tokenization, embeddings, language modeling, model evaluation, bias reduction
Preferred skills
Experience with multimodal signals, ethical AI principles, fast-paced environment adaptability
Technologies
Ray Training, PyTorch Distributed, TensorFlow, PyTorch, Hugging Face Transformers
Responsibilities
Design, develop, optimize, and deploy ML models for NLP tasks; Implement and maintain distributed training pipelines; Collaborate with cross-functional teams on model architecture; Conduct model evaluations and performance analysis; Stay updated on NLP and LLM research; Contribute to ethical AI guidelines
Seniority
Senior, hands-on IC
