Senior Research Engineer/Scientist

📋 Description

• Confronted with real-world challenges and datasets, you will use your AI/ML expertise and
• Research, propose, implement, train, and evaluate models and techniques end to end.
• Build and maintain training pipelines and evaluation harnesses that make results reproducible and
• Collaborate daily with research scientists, engineers, and product managers to ship high-quality
• Own your work from design through implementation, testing, and delivery, partnering with product

🎯 Requirements

• Expertise in LLM post-training, including supervised fine-tuning and distillation.
• Expertise in reinforcement learning for LLMs, including PPO, GRPO, DPO, and reward modeling.
• Hands-on experience with training frameworks and distributed/large-scale training, including FSDP
• Experience with synthetic data generation for training and evaluation.
• Experience with data curation at scale, including deduplication, filtering, and data-mixture design.
• Familiarity with a range of transformer architectures, including decoder-only/autoregressive