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◆ 8/10
aitechOtherremote
About this role
Join Prime Intellect as a Research Engineer, focusing on pretraining AI models. Work on cutting-edge technology to build open superintelligence and contribute to the future of decentralized AI.
Description
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.
Responsibilities
- 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.
- Profile training jobs and improve end-to-end throughput, working with systems engineers on hardware-aware execution.
- Make long runs resilient to failures, with reliable checkpointing and recovery.
- Investigate training dynamics and numerical stability, checking that optimizations preserve convergence.
- Run controlled ablations to guide larger experiments, keeping the setup and results reproducible.
- Work with data and evaluation researchers on training mixtures, including midtraining and long-context experiments.
Requirements
- 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.
Conditions & Benefits
- Cash Compensation Range of $150-350k, including equity incentives, aligning your success with the growth and impact of Prime Intellect.
- Flexible work arrangements, with the option to work remotely or in-person at our offices in San Francisco.
- Visa sponsorship and relocation assistance for international candidates.
- Quarterly team off-sites, hackathons, conferences and learning opportunities.
- Opportunity to work with a talented, hard-working and mission-driven team, united by a shared passion for leveraging technology to accelerate science and AI.
Job Details
Salary$150,000–$350,000
LocationRemote
AI Score★★★★★★★★☆☆ 8/10
PostedOct 16, 2026 (22h ago)
Tags & Skills
aitechOtherremote
Tech Stack
PythonPyTorch