Research Engineer -- Vision and Vision-Language Models
Zyphra· R&D - Engineering
San FranciscoFull-timePosted 4d ago
About the role
Core contributor on Zyphra’s Vision Team building next-generation models for image understanding, computer use, and agentic visual tasks. End-to-end involvement across the model development stack from data sourcing to pretraining, post-training, reinforcement learning, and evaluation.
Responsibilities
- End-to-end pretraining and post-training of vision-language models
- Large-scale vision and multimodal training runs
- Vision and multimodal dataset sourcing, generation, curation, processing, and evaluation
- Reinforcement learning and other post-training methodologies for vision-language models
- Computer use, visual agents, and other multi-turn agentic vision tasks
- Architecture, data, and training methodology ablations and improvements
- Performance optimization of our training and data processing stacks
Qualifications
- Strong research taste and intuition, with the ability to take ambiguous problems from conception to experimentation and execution
- Strong implementation and prototyping ability; you can turn ideas into experiments quickly
- A high rate of learning and an ability to rapidly become effective in unfamiliar technical areas
- Strong general machine learning intuition and an interest in understanding the full model development stack
- The ability to work well with others in a high-paced research setting
- Excellent communication and collaboration skills, and the ability to work effectively across both research and engineering implementation at scale
Skills
Required:Vision-language modelsModel pretraining / post-training / reinforcement learningDataset curation and synthetic data generationPyTorch and Python
Benefits
- Comprehensive medical, dental, vision, and FSA plans
- Competitive compensation and 401(k) plan
- Relocation and immigration support on a case-by-case basis
- In-office snacks and meals provided
- Unlimited PTO and company holidays
- In-person team in San Francisco with a collaborative, high-energy environment
Last updated Oct 22, 2026. Interested? Apply on the company site.
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