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Design Engineer

Lassie
San Francisco, CA
Full Time

Job Description

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 a design-minded engineer to build the control plane for powerful agents handling billing and medical records. Real patients and real practices depend on these systems. You'll craft interfaces that make autonomous agents feel trustworthy and effortless to supervise.

We take a consumer approach to healthcare software: approachable, elegant, and sweating the details. The product spans onboarding, human-in-the-loop review, the tools practice owners use to understand their business, and more.


You will be a great fit if you…

  • Strive for great, not good, and iterate until you get there

  • Take pride in building software that feels fast and effortless

  • Look for leverage: using tools, automation, and process to multiply your impact

  • Have strong fundamentals in JavaScript and browser APIs

  • Believe healthcare software should be as delightful as consumer products


Some things we've built

  • A sync engine backed by encrypted SQLite in the browser, enabling 100ms experiences for healthcare payments and patient ledgers

  • Systems that eliminate thousands of hours of paperwork every month

  • Data pipelines processing $1B+ in insurance claims


Technology we use

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

  • TypeScript, React, Tailwind

  • Python (Django, Pydantic AI), Postgres, Redis

  • 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.

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Job Details

Department
Product/Design
Category
Mechanical
Employment Type
Full Time
Location
San Francisco, CA
Posted
Last updated
Jun 3, 2026, 02:37 AM

About Lassie

We founded Lassie because we are convinced: Our four-legged friends need preventative care to stay healthy, just like we humans do. With Lassie, we are bringing a preventive approach to the world of pet insurance for the first time. Because in our opinion, prevention is the best insurance.

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