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← Zyphra

Research Engineer - Model Architectures

Zyphra · San Francisco

CHECKED 7H AGO

Frontier labonsite
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At a glance

Highlights

  • Design and rigorously test novel model architectures and training methodologies.
  • Improve core capabilities like loss per flop and tackle key model bottlenecks.
  • Partner with pre-training team to integrate insights into next-generation models.

What they offer

  • Comprehensive medical, dental, vision, and FSA plans
  • 401(k) plan
  • Relocation and immigration support on a case-by-case basis
  • In-office snacks and meals provided
  • Unlimited PTO and company holidays

Ideal candidate

Curious, inventive researcher who loves understanding intelligence and testing bold ideas rigorously. Thrives taking projects from conception to write-up in fast-paced, collaborative teams.

Requirements

  • Strong research taste and intuition
  • Ability to take research from conception to execution to write-up
  • Strong implementation and prototyping ability
  • Ability to work well in a high-paced collaborative research setting
  • Curiosity and joy in understanding intelligence
  • Experience with long-term memory, RAG/retrieval, dynamic/adaptive computation, and alternative credit assignment
  • Experience with reinforcement learning, control theory, and signal processing
  • Understanding of modern training pipelines and GPU-efficient architecture design
  • Strong grasp of rigorous experimental methodology and ablations
  • High proficiency with PyTorch and Python
  • Ability to ramp quickly in large pre-existing codebases
  • Published ML research in respected venues
  • Postgraduate degree in Computer Science, EE/EECS, Math, Physics or related scientific field
visa sponsorship
Relocation and immigration support on a case-by-case basis

Lab profile

About Zyphra

San Francisco AI lab building open language and audio models and autonomous desktop agents.

What they build

  • Desktop and browser-based autonomous agents
  • Open language models
  • Open-source audio models (ASR, TTS, speech-to-speech)

Known for

  • Agentic systems and human-AI interaction
  • Reinforcement learning, post-training and preference learning
  • Large-scale language model pre-training
  • Novel model architectures and training methods

Key facts

  • Headquartered in San Francisco, California
More about Zyphra →
Apply on the lab’s site ↗