Software Engineer, Platform

lassie· Engineering
Apply Now ↗
📍 San Francisco, CAFullTime

About this role

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

Platform engineers build the systems that let Lassie’s agents do real work reliably: integrations, orchestration, data infrastructure, observability, and the foundations behind every new workflow we launch.

What you'll do

  • Build the integrations, data models, orchestration, and reliability systems that let Lassie’s agents complete real workflows at scale

  • Create internal tools, observability, and infrastructure that help the team launch new workflows faster and with more confidence

  • Work closely with product and operations to turn messy real-world processes into dependable 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.

Frequently Asked Questions

Is the salary disclosed for the Software Engineer, Platform position at lassie?
The salary for this Software Engineer, Platform role at lassie is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Software Engineer, Platform position at lassie located?
This Software Engineer, Platform role at lassie is based in San Francisco, CA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Software Engineer, Platform role at lassie full-time or part-time?
This is listed as a FullTime position. It is posted as a Software Engineer, Platform role in the Engineering department at lassie.
Which team or department does the Software Engineer, Platform at lassie belong to?
This Software Engineer, Platform position is part of the Engineering department at lassie. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Software Engineer, Platform position at lassie?
Click the "Apply Now" button on this page. You will be redirected to lassie's official application portal hosted on ashby where you can submit your application directly.
When was the Software Engineer, Platform job at lassie posted?
This Software Engineer, Platform position at lassie was posted on Jun 3, 2026. Apply as soon as possible — early applications are often reviewed first.
Software Engineer, Platform
lassie
Apply for this role ↗

You'll be redirected to lassie's official application page on Ashby ATS.