Zyphra is an artificial intelligence company based in San Francisco, California.
The Role:
As a Research Engineer - Agency and Reasoning, you will be a core contributor to Zyphra’s Agency and Reasoning Team. You will be involved with performing novel research in reinforcement learning, post-training, and human preference learning, and applying your ideas at scale to our next generation of language models.
What We’re Looking For / Requirements:
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Strong research taste and intuition
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The ability to work through a research project from conception to execution to write-up
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Strong implementation and prototyping skillset
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A researcher who can take an idea from conception to experimentation extremely quickly
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The ability to work well and cooperate with others in a high-paced research setting
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Curiosity, interest, and joy in understanding intelligence.
Qualifications / Additional Skills:
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Experience and aptitude with reinforcement learning, either in the context of language model reasoning or more classical RL tasks
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Experience with language-model-supervised fine-tuning and preference-learning methods, such as DPO and simPO.
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Experience with context-length extension methods
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A good intuitive ability to understand model behaviors and correct them through iterative fine-tuning
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Interest in grappling in detail with data and spending significant time involved in data engineering and synthetic data generation
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Postgraduate degree in a scientific subject (Computer Science, EE/EECS, Mathematics, Physics)
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Previously published machine learning research in well-respected venues
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Highly proficient with PyTorch and Python
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We are excited and able to rapidly learn new fields and implement new ideas
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Excellent communication and collaboration skills, and can work effectively on both research and engineering implementation at scale
Why Work at Zyphra:
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Our research methodology is to make grounded, methodical steps toward ambitious goals. Both deep research and engineering excellence are equally valued
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We strongly value new and crazy ideas and are very willing to bet big on new ideas
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We move as quickly as we can; we aim to minimize the bar to impact as low as possible
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We all enjoy what we do and love discussing AI
Benefits and Perks:
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Comprehensive medical, dental, vision, and FSA plans
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Competitive compensation and 401(k) plan
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Relocation and immigration support on a case-by-case basis
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In-office snacks and meals provided
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Unlimited PTO and company holidays
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In-person team in San Francisco with a collaborative, high-energy environment