# ML Researcher - Posttraining at Krea

- Company: Krea
- What the company does: Backed by a16z.
- Company website: https://www.krea.ai
- Type: Startups (AI role)
- Level: Mid level
- Location: San Francisco
- Work setup: On-site
- Posted: 2026-09-01
- Apply by: 2026-10-16
- Apply: https://jobs.ashbyhq.com/krea/04d2889b-3cd6-498c-9653-0cd2e2d505fe
- Page: https://www.1752.vc/careers/jobs/krea-ml-researcher-posttraining/

## About the role

Finetune diffusion models at scale to improve image aesthetics and quality. Implement posttraining techniques ranging from supervised finetuning, preference optimization, reinforcement learning, on-policy distillation, and various distillation / acceleration techniques.

Tags: Research