Jobs

Black Forest Labs is seeking a Staff / Senior IC for a Member of Technical Staff - Post Training role in Freiburg, Germany. This individual will own the end-to-end post-training pipeline for multimodal models, driving measurable gains in model quality and aligning generative models to human intent. The ideal candidate will have prior experience shipping post-training for a frontier generative model, deep expertise across the post-training stack (SFT, RLHF, DPO, etc.), and strong PyTorch fluency. This role involves working across various modalities like text-to-image, image editing, and video, focusing on delivering impactful model improvements to users.