SECTION I · THE BRIEF
Brief #11884Updated 22 AUG 2026SAN FRANCISCO, CAAshbyKLEINER PERKINS
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Member of Technical Staff, Pretraining

Mirendil is an artificial intelligence research company that develops systems designed to automate and improve the process of AI research and development. The company trains models specialized in AI R&D and designs…

Location
San Francisco, CA
Company size
10–50
Posted
3d ago
Via
Ashby
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Member of Technical Staff, Pretraining · Mirendil

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Job title
Member of Technical Staff, Pretraining
Job location
San Francisco
Job description

Mirendil

Mirendil is a tech-first company focused on solving core bottlenecks that unlock step-change acceleration across science and technology. Our first goal is to democratize frontier AI R&D across scientific disciplines. We are building a frontier AI research company and training our own models end-to-end.

The Role

We are looking for an engineer to work at the intersection of research and systems on our pretraining stack. You'll contribute across the full pipeline, from data processing and model architecture to distributed training infrastructure and low-level optimization, and help determine how we scale our next generation of models. Some example areas you might work on (not limited to):

  • Implement and iterate on model architectures, training algorithms, and optimizer research in large-scale pretraining runs

  • Scale distributed training jobs across thousands of GPUs

  • Optimize training throughput for novel attention mechanisms, architecture variants, and compute efficiency improvements

  • Design and build large-scale data pipelines for efficient model consumption and dataset curation

  • Run and analyze scientific experiments to advance understanding of how architecture and data choices affect model capabilities

If you're excited about working across research and engineering to push the frontier of what large models can do, we'd love to hear from you.

We offer a base salary of $300,000–$400,000 USD and a meaningful equity grant, depending on experience and background, along with competitive benefits.

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Where this role is based

San Francisco, CA

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Mirendil headquarters

San Francisco, CA

Company size

1050 employees

Founded

2025

Total raised

$200,000,000

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Funding rounds

  • Seed$200M