# Research Engineer - Pretraining at Primeintellect

- Company: Primeintellect
- What the company does: Train, deploy, and continuously improve your own models on an integrated compute, training, inference, and sandbox stack. Backed by Menlo.
- Company website: https://www.primeintellect.ai/
- Type: Startups (AI role)
- Level: Mid level
- Location: San Francisco
- Work setup: On-site
- Posted: 2026-10-16
- Apply by: 2026-11-30
- Apply: https://jobs.ashbyhq.com/PrimeIntellect/9dae2470-0e2c-4d42-8e7f-20b7f534440e?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/primeintellect-research-engineer-pretraining/

## About the role

Build and extend the pretraining code in prime-rl, taking small experiments into full training runs. Evaluate model architecture changes, including MoE and attention designs, against model quality and training cost. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Hands-on experience training language models, including modifying training code and following the effects through actual runs
- Strong Python skills and experience with PyTorch or a comparable framework, with enough systems understanding to debug distributed training
- A practical understanding of model architectures and optimization, including their effect on convergence
- Ability to design an ablation that answers a research question and explain what its results do and don’t show
- Good judgment about what to investigate yourself and when to bring in a colleague

Tags: Research

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/primeintellect-research-engineer-pretraining/