Lassie

Technology

SoftwareEngineer,Security

$155–215k ~AI est. San Francisco, California, United States FULL TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Mid+ candidates.

The Brief

“Software Engineer, Security at Lassie. Skills: Security engineering, Access control, Data protection. Build core security systems. Build access control systems”

Industry & Context.

Technology
Problems you'll solve

Root cause analysis

What They're Looking For.

Must Have

5+ years experience

Nice to Have

Experience with Python and Django, Experience with Pydantic AI, Experience with Postgres, Experience with Redis, Experience with TypeScript, Experience with React, Experience with Tailwind, Experience with Google Cloud Platform, Experience with Vercel, Experience with Linear, Experience with Slack, Experience with Notion

What You'll Do.

Build core security systems

Build access control systems

Build audit log systems

Build data protection systems

Build monitoring systems

Build incident readiness systems

Partner with engineering

Threat-model new agent workflows

Make security part of how we build

Help Lassie move quickly

Earn trust to operate inside critical office systems

How You'll Work.

Team & Collaboration

Partner with engineering

Full 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 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. WHAT YOU'LL DO - 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 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 http://blog.superhuman.com/superhuman-is-built-for-speed 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.

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