Software Engineer, Applied AI

On-site · San Francisco, California, United StatesFull-timePosted 10 months ago

Lassie

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Lassie

Hiring now

Software Engineer, Applied AI

On-site · San Francisco, California, United StatesFull-timePosted 10 months ago

Lassie

Apply

Not stated

Degree asked

Not stated

Languages required

Not stated

Work permit

Not stated

Posted

10 months ago

12 Dec 2025

Asks for

The ad says“These are production systems handling real money and real patient data for thousands of practices. You'll work across the full stack: agent architectures, data pipelines, evals, and the infrastructure that makes it all reliable.”
The ad says“Are comfortable working across databases, caches, proxies, and job orchestration systems”
The ad says“These are production systems handling real money and real patient data for thousands of practices. You'll work across the full stack: agent architectures, data pipelines, evals, and the infrastructure that makes it all reliable.”
The ad says“Are comfortable working across databases, caches, proxies, and job orchestration systems”
The ad says“Python (Django, Pydantic AI), Postgres, Redis”
The ad says“Google Cloud Platform, Vercel”
The ad says“Are comfortable working across databases, caches, proxies, and job orchestration systems”
The ad says“Python (Django, Pydantic AI), Postgres, Redis”
The ad says“Are comfortable working across databases, caches, proxies, and job orchestration systems”
The ad says“Python (Django, Pydantic AI), Postgres, Redis”
The ad says“Python (Django, Pydantic AI), Postgres, Redis”
The ad says“TypeScript, React, Tailwind”
The ad says“Python (Django, Pydantic AI), Postgres, Redis”
The ad says“TypeScript, React, Tailwind”
The ad says“TypeScript, React, Tailwind”
The ad says“Google Cloud Platform, Vercel”

Our mission is to help small businesses run themselves. We’re starting with doctors’ offices, building autonomous systems that handle busywork and complete the workflows that keep the office moving every day. Our team is small, flat, and ambitious. We value craft, intellectual rigor, and direct communication.

About the role

We're hiring an engineer to build the AI agents that run doctor's offices.

These are production systems handling real money and real patient data for thousands of practices. You'll work across the full stack: agent architectures, data pipelines, evals, and the infrastructure that makes it all reliable.

You will be a great fit if you…

Are excited to work with frontier models
Engineer for reliability and correctness, not just functionality
Diagnose and resolve live production incidents with minimal disruption
Automate away repetitive work and build tooling that makes engineering faster and safer
Design schemas and pipelines for large-scale datasets to power applied AI
Are comfortable working across databases, caches, proxies, and job orchestration systems

Some things we've built

Data pipelines processing $1B+ in insurance claims
Systems that eliminate thousands of hours of paperwork every month
A sync engine backed by encrypted SQLite in the browser, enabling 100ms experiences for healthcare payments and patient ledgers

Technology we use

We invest heavily in productivity. Engineers should have the best tools for the job and the freedom to choose them.

Python (Django, Pydantic AI), Postgres, Redis
TypeScript, React, Tailwind
Google Cloud Platform, Vercel
Linear, Slack, Notion

Joining us

To start, you'll have a handful of conversations with our team and founders. If there is mutual excitement, we'll invite you to the office where you'll work on a small project and meet the team.