Senior Security Engineer, RTOS and Virtualization
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.
Security engineers make Lassie trustworthy enough to operate inside critical office workflows. You’ll build the controls, systems, and engineering practices that protect customer data while letting an ambitious team move quickly.
Build core security systems across access control, audit logs, data protection, monitoring, and incident readiness
Partner with engineering to threat-model new agent workflows and make security part of how we build
Help Lassie move quickly while earning the trust required to operate inside critical office systems
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
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
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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Lassie is a digital pet-insurance company built around preventive care for dogs and cats. Alongside coverage for veterinary costs and selected liabilities, its app gives owners health information and incentives for learning about and supporting their pets' wellbeing. The company combines insurance, claims technology, education, and a broader pet-health experience. Founded in Sweden and expanded across European markets, Lassie aims to help owners prevent problems where possible while providing financial protection when treatment or other covered events occur.
United States
Right to work in the United States required.On-site
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