Sr. Model Engineer

📋 Description

• Design and run rigorous experiments that turn research ideas into measurable gains in model
• Improve data recipes through data quality, deduplication, and mixture experiments
• Define what makes RL data and rewards good, including grader design and preventing reward hacking
• Advance training science, from architecture and scaling experiments to post-training recipes for
• Build evals and targeted tasks that expose model weaknesses and guide where the team invests next
• Partner with engineers to take promising results from small experiments to frontier-scale training

🎯 Requirements

• 3+ years of hands-on experience training or post-training large neural networks (1B+ parameters)
• Experience writing production-quality code in Python, PyTorch, JAX, Rust, or C++

🎁 Benefits

• Equity
• Comprehensive medical, vision, and dental coverage
• Access to a 401(k) retirement plan
• Short & long-term disability insurance
• Life insurance
• Various other discounts and perks