Member Of Technical Staff - Post Training

Black Forest Labs

Freiburg, Germany
Not specified; not specified; not specified
On-site
Frontier model post-training experience
Sft and preference optimization (dpo/rlhf)
Reward modeling and distillation techniques
This role involves owning the full post-training pipeline end to end to align frontier multimodal models with human intent

Job Summary

  • This role involves owning the full post-training pipeline end to end to align frontier multimodal models with human intent.
  • The team values research excellence, open science, and building technology that expands human creativity while maintaining a low-ego culture.
  • Candidates must have previously shipped post-training for a frontier generative model with measurable quality improvements on human preferences.

Matching Summary

This role involves owning the full post-training pipeline end to end to align frontier multimodal models with human intent.

Salary

Not specified; Not specified; Not specified

Skills & Requirements

Must-have

  • Frontier model post-training experience
  • SFT and preference optimization (DPO/RLHF)
  • Reward modeling and distillation techniques
  • High-throughput fine-tuning infrastructure
  • PyTorch fluency for research code

Nice-to-have

  • Video post-training expertise
  • Personalization and customization capabilities
  • Bias toward shipping measurable quality wins
  • Experience with LADD or consistency models

Key Requirements

  • Proven track record shipping frontier model post-training
  • Deep experience across the entire post-training stack
  • Strong proficiency in PyTorch programming

Work Rights

Not specified

Tailored Resume

Cover Letter