Train, deploy, and continuously improve your own models on an integrated compute, training, inference, and sandbox stack. Backed by Menlo.
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
More about this role
Prime Intellect is building the open superintelligence stack: the infrastructure frontier AI labs build internally, made available to every ambitious AI team.
Our platform, Lab, unifies compute, environments, evaluations, secure sandboxes, high-performance training, and deployment into one full-stack system for post-training at frontier scale - from SFT and RL to tool use, agent workflows, and continuously improving production models. We are building open frontier AI: open-source models trained end to end for long-horizon tasks like autonomous research, and the full-stack platform our own research team uses to build them. The next generation of AI companies, enterprises, and research teams do not just need more GPUs. They need the ability to turn their own workflows, tools, data, and feedback loops into superintelligence they own.
Prime Intellect has raised $150M in total funding from Founders Fund, Radical Ventures, NVIDIA, and exceptional AI, infrastructure, and enterprise operators, including Andrej Karpathy, Dwarkesh Patel, and leaders and founders from Ramp, Perplexity, Harvey, Mercor, Zapier, Datadog, Cognition, OpenAI, Thinking Machines, Together AI, SemiAnalysis,...
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