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Research Engineer - Model Architectures

ZyphraAshbySan Francisco
Posted 17 MarFound 14 OctSeen 4 hours ago

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The Posting

ZYPHRA IS AN ARTIFICIAL INTELLIGENCE COMPANY BASED IN SAN FRANCISCO, CALIFORNIA.

THE ROLE:

As a Research Engineer - Model Architectures, you will be a core contributor to Zyphra’s AI Architecture Research Team. This will involve designing and rigorously testing novel model architectures and training methodologies, with a focus on improving core modeling capabilities (e.g., loss per flop or loss per parameter) and addressing fundamental bottlenecks in contemporary models. You will also work extremely closely with our pre-training team, who will integrate your insights into our next-generation models.

WHAT WE'RE LOOKING FOR / REQUIREMENTS:

  • Strong research taste and intuition
  • The ability to work through a research project from conception to execution to write-up
  • Strong implementation and prototyping ability can take an idea from conception to experimentation extremely quickly
  • The ability to work well and cooperate with others in a high-paced research setting
  • Curiosity, interest, and joy in understanding intelligence.

QUALIFICATIONS / ADDITIONAL SKILLS:

  • Previous experience with long-term memory, RAG/retrieval systems, dynamic/adaptive computation, and alternative approaches to credit assignment
  • Experience with reinforcement learning, control theory, and signal processing
  • Generally, a joy in inventing and seriously assessing ‘crazy’ ideas, and the ability to have a unique perspective on things
  • Understanding of modern training pipelines and the hardware requirements to design efficient architectures for GPU hardware
  • Strong grasp of proper experimental methodology for running rigorous ablations and other hypothesis testing
  • High proficiency with PyTorch and Python.
  • Strong ability to jump into large pre-existing codebases and rapidly get up to speed and become productive
  • Previously published machine learning research in well-respected venues
  • Postgraduate degree in a scientific subject (Computer Science, EE/EECS, Math, Physics)

WHY WORK AT ZYPHRA:

  • Our research methodology is to make grounded, methodical steps toward ambitious goals. Both deep research and engineering excellence are equally valued
  • We strongly value new and crazy ideas and are very willing to bet big on new ideas
  • We move as quickly as we can; we aim to minimize the bar to impact as low as possible
  • We all enjoy what we do and love discussing AI

BENEFITS AND PERKS:

  • 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

Facts

Source
Ashby
External id
e509d439-ac21-4740-9989-38f385a37da4
Location
San Francisco, CA, United States
Remote
On-site, from the posting
Employment
Full time
Posted
17 Mar 2026, 03:55
First seen
14 Oct 2026, 16:44
Last seen
1 Nov 2026, 04:52
Status
Not yet added
Posting id
28bf7797-4d4e-5c5e-b96d-b1250b45f6c8