Staff Research Engineer, Pre-training Science
Software Development
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WFA Digital Insight
As demand for AI and machine learning specialists surges, Reddit is at the forefront with its foundational Large Language Models initiative. With a 34% growth in AI roles in 2025, professionals with expertise in pre-training science are highly sought after. Reddit's commitment to community context and unique culture presents an exciting challenge for engineers. Before applying, candidates should be prepared to showcase their technical lead experience and ability to inject domain-specific knowledge into generic models.
Job Description
About the Role
Reddit is continuing to grow its teams with the best talent, and this role is completely remote friendly within the United States. The AI Engineering team is building Reddit-native foundational Large Language Models (LLMs) that truly understand the unique culture, language, and structure of Reddit communities.Responsibilities
- Serve as the technical lead for defining Continual Pre-Training (CPT) strategies that transform generic foundation models into Reddit-native experts
- Design scientific frameworks that inject Reddit’s unique knowledge into models
Requirements
- Experience in pre-training science and large language models
- Ability to bridge the gap between general intelligence and community context
How to Stand Out
- Familiarize yourself with Reddit's community culture and language to understand the unique challenges of this role
- Showcase your experience with large language models and pre-training science in your portfolio or resume
- Prepare to discuss how you would design scientific frameworks that incorporate domain-specific knowledge
- Be ready to explain your approach to continual pre-training strategies and how you stay up-to-date with the latest developments in AI and machine learning
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