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# Founding Engineer

- **Company:** SILMARIL LLC
- **Location:** San Francisco, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Distributed Systems, Github, Open Source Technology, Software Engineering
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25303_0e3eb5f2042907273876590178d17f3b

## About the Role

* You have five or more years of professional software engineering experience.
 * You have built and operated consequential production systems at a technically ambitious company.
 * Your work demonstrates unusual scope, speed, and technical depth. You can move from a research question to an experiment, architecture, implementation, deployment, and operation.
 * You know how to structure agent work, provide the right context, evaluate results, resolve uncertainty, and concentrate your attention on the highest-leverage decisions.
 * You have made something exceptional exist from an ambiguous beginning and taken responsibility for how it performs in the real world.
 * You want broad ownership, close collaboration, and technical problems whose solutions could define an industry.
 * You want to build in person with a small, exceptional team in San Francisco., * Experience with model training and evaluation, inference optimization, adversarial research, distributed systems, production ML, security engineering, or developer infrastructure.
 * A record of technical research, open-source work, or ambitious independent projects.
 * An exceptional GitHub profile or body of AI-native work that shows a clear increase in scope and output as models advanced.

## Description

Identify the technical problems with the greatest potential to advance the product. Design rigorous experiments, build the necessary infrastructure, and use evidence to determine what advances.