Backend Engineer (Infrastructure)
About Lassie
Doctors learn medicine — not business — and shouldn’t have to be experts at both. Most aspire to be independent, but as their practices get buried in paperwork and broken systems, they’re forced to give up. We put independent doctors’ businesses on autopilot so they can focus on care.
Our founding team scaled growth at Robinhood and Coinbase, early product at Superhuman, and built systems at Pinterest, Netflix, and early Zenefits. We’re backed by investors like Homebrew, SV Angel, Unusual, and Sequoia scouts, along with founders of Commure, TransferWise, and Superhuman, and early employees from Stripe, Ramp, Plaid, Robinhood, Coinbase, and more.
You will be a great fit if you…
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), Postgres, Redis
TypeScript, React, Tailwind
Google Cloud Platform, Vercel
Linear, Slack, Notion
Average salary estimate
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