Senior Machine Learning Engineer

Summary

Join Reddit's Safety ML team as a Senior Machine Learning Engineer and contribute to building the next generation of safety systems that protect millions of users. You will develop, train, and optimize state-of-the-art language models (LLMs) to enhance platform safety and efficiency. This role is completely remote-friendly, with the option to work from one of their physical office locations. You will collaborate with cross-functional teams to identify and implement solutions that promote user safety and align with Reddit's mission to foster community, belonging, and empowerment.

Requirements

• 5+ years of relevant MLE industry experience in natural language processing, deep learning, and AI model development
• Strong background in Python programming and deep learning frameworks like TensorFlow, PyTorch, or Hugging Face Transformers
• Expertise in distributed training frameworks (e.g., Ray Training, PyTorch Distributed), and efficient utilization of hardware resources
• Proficiency in data preprocessing, tokenization, embeddings, and language modeling techniques
• Passion for developing scalable, well-designed, and responsible AI solutions that positively impact society
• Excellent communication and collaboration skills, with the ability to discuss complex technical topics with diverse teams
• Entrepreneurial spirit, self-motivation, and a bias towards action in fast-paced environments

Responsibilities

• Design, develop, and optimize large language models for various natural language processing tasks
• Implement and maintain training pipelines, leveraging distributed training and optimizing for performance and efficiency
• Collaborate with cross-functional teams to gather requirements, define model architectures and iterate on model development
• Conduct model evaluations, performance analysis, and optimization to improve model accuracy and reduce biases
• Stay up-to-date with the latest research and advancements in the field of natural language processing, multimodal signals, and large language models
• Contribute to the development of best practices, guidelines, and ethical AI principles for responsible LLM development and deployment

Benefits

• Comprehensive Healthcare Benefits and Income Replacement Programs
• 401k Match
• Family Planning Support
• Gender-Affirming Care
• Mental Health & Coaching Benefits
• Flexible Vacation & Reddit Global Days off
• Generous paid Parental Leave
• Paid Volunteer time off