Senior Research Engineer/Scientist
Core
Research and engineering across the full lifecycle of large language model development for enterprise use cases, including data curation, pretraining, fine-tuning, and evaluation.
Role type
Senior Research Engineer/Scientist (LLM)
Builds
Custom enterprise language models and training pipelines
Domain
Artificial Intelligence / Large Language Models / Enterprise Software
Deliverable
production ML models
Required skills
LLM post-training (SFT, distillation), Reinforcement Learning (PPO, GRPO, DPO), Distributed training (FSDP, DeepSpeed, Megatron), Data curation at scale, Synthetic data generation, Transformer architectures, Python (expert level), Rapid prototyping
Preferred skills
Evaluation and benchmarking, Pretraining experience, Inference and serving technologies (vLLM, SGLang), Top-tier publications (ICLR, NeurIPS, etc.), AI productivity tools integration
Technologies
FSDP, DeepSpeed, Megatron, vLLM, SGLang, Python, PPO, GRPO, DPO
Responsibilities
Research, propose, implement, train, and evaluate models and techniques end to end; Build and maintain training pipelines and evaluation harnesses; Collaborate with scientists, engineers, and product managers; Own work from design through implementation, testing, and delivery
Seniority
Senior, hands-on IC
