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← Black Forest Labs

Member of Technical Staff - Research Engineer

Black Forest Labs · San Francisco (United States) · Freiburg (Germany)

CHECKED 11H AGO

Frontier labonsite$180k–$290k
Apply on the lab’s site ↗

At a glance

Highlights

  • Make large multimodal training runs faster, stable, and numerically reliable.
  • Build profiling harnesses that make performance claims trustworthy at scale.
  • Turn urgent training bottlenecks into better tools and abstractions.

What they offer

  • Equity
  • Reasonable travel costs covered

Ideal candidate

A systems-minded engineer who thrives in ambiguous training problems and owns outcomes end-to-end. You love measurements, debugging, and partnering with researchers to make ambitious ideas trainable.

Requirements

  • Experience working deeply on large-scale training systems closely with researchers
  • Strong PyTorch fluency including comfort reading and modifying low-level training code
  • Experience with distributed training concepts such as FSDP, parallelism strategies, activation checkpointing, NCCL
  • Hands-on experience improving training throughput, memory footprint, or stability in real runs
  • Experience profiling GPU workloads with Nsight Systems, Nsight Compute, torch profiler or custom telemetry
  • Understanding of low-precision training and quantization tradeoffs
remote policy
Remote with monthly in-person week

Lab profile

About Black Forest Labs

Team behind Stable Diffusion and FLUX building frontier image and video generation models.

What they build

  • FLUX image generation models
  • FLUX video generation models

Known for

  • Pioneers of Latent Diffusion and Stable Diffusion
  • State-of-the-art image and video generation
  • Models used by millions of creators and businesses

Key facts

  • Headquartered in Freiburg, Germany
  • Presence in San Francisco
More about Black Forest Labs →
Apply on the lab’s site ↗