Design Engineer

Lassie is building the AI for every health practice.

One million health practices spend $100B+ a year on admin staff, and still cant find enough people. Since COVID, offices are chronically short-staffed. Patients feel it every day in unanswered calls and confusing bills.

We believe the doctors office of the future is run by AI. An agent that runs the business, handles the administration, and becomes the interface patients use to interact with their doctors office.

Founded by Steijn Pelle (helped Robinhood and Coinbase grow to their first hundreds of millions in annual revenue) and Frédéric Renken (engineer turned first product hire at Superhuman), were bringing consumer product DNA to healthcare and reimagining how a million doctors and 300 million patients interact with the doctors office.

About the role
Were 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. Youll 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 weve 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, youll have a handful of conversations with our founders and team. If there is mutual excitement, well invite you for an in-office work trial where youll collaborate on real problems were solving and meet the team.

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