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
