Research Engineer

Goliath Partners

San Francisco Bay AreaFresher49m agovia LinkedIn

About the Role

A well-funded, early-stage AI startup in San Francisco is seeking a Founding Research Engineer (RL) to join a small, highly technical team. This role offers high ownership and the opportunity to significantly impact the company's technical direction.

Key Responsibilities

  • Building and scaling reinforcement learning environments and training pipelines.
  • Developing infrastructure for model training, evaluation, and experimentation.
  • Designing large-scale data and ETL pipelines for ML workloads.
  • Improving the reliability and performance of distributed training systems.
  • Working across research and engineering to take ideas from experimentation to production.
  • Helping shape the technical foundation of a rapidly growing AI company.

Requirements & Tech Stack

  • Strong Python and PyTorch experience.
  • Experience with reinforcement learning, model training, ML infrastructure, data infrastructure, or evaluation systems.
  • Strong software engineering fundamentals and the ability to build production-quality systems.
  • Experience working with large-scale ML workloads or distributed systems.
  • Comfortable operating in a fast-moving, highly technical startup environment.

Bonus Points

  • Experience with FSDP, DeepSpeed, or distributed training.
  • Experience with multimodal models.
  • Experience with large-scale data/ETL infrastructure.
  • Experience with CUDA, Triton, TensorRT, quantization, or inference optimization.
  • Experience building RL environments or evaluation frameworks.

Location: San Francisco - in person

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