PL
Research Scientist, Post-Training — Video Generation
Pika LabsUS remote · Remote · Lead / Staff / Principal
$185,000 – $400,000
Listed on Pika Labs’s own careers site. You apply with them directly — we never stand between you and the employer.
What this role is
This is a staff/lead-level research role developing reinforcement learning techniques to improve Pika's video generation models and building reward models for video quality assessment. It suits researchers with hands-on experience in post-training optimization and generative modeling who want to work on large-scale video synthesis at the frontier of creative AI.
Our summary, not Pika Labs’s wording. The full posting is on their site.
Skills this role names
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What they ask for
Required
- 2+ years hands-on research in post-training or generative modeling
- RL or preference optimization experience on generative models with demonstrated improvement
- Strong understanding of diffusion or flow-matching models
- PyTorch proficiency
- Multi-node distributed training experience
Nice to have
- Reward model development for visual generation or VLM-as-judge approaches
- Large-scale preference data collection experience
- Model distillation expertise (distribution matching, consistency, adversarial methods)
- Knowledge of video-specific failure modes (temporal drift, motion, physics realism)