USD per year
Founding Engineer
$160K - $235K 0.50% - 1.50% San Francisco, CA, US Job type Full-time Role Engineering, Full stack Experience Any (new grads ok) Visa Will sponsor Skills Next.js, Node.js, React, TypeScript
About the role
As a Founding Engineer, you'll architect and build the core systems that power browser automation at scale 6 then make them accessible through beautiful, intuitive interfaces. You'll work directly with customers, shape product direction, and own critical infrastructure that processes millions of automated interactions.
What You'll Build
- Browser orchestration systems that handle complex authentication, anti-bot measures, and session management across thousands of websites
- AI-powered automation engines that understand and interact with web applications using natural language instructions
- Enterprise-grade infrastructure supporting real-time, critical automation workflows
- Developer tools and APIs that make complex automation feel approachable 6 dashboards, debugging tools, and workflows that just work
- Polished user interfaces that turn technical complexity into experiences business users can understand and trust
We're Looking For
- 2-6 years of experience building production systems and user-facing features
- Systems thinking - you understand distributed systems, concurrency, and performance optimization
- Full-stack expertise - strong with TypeScript, React, Node.js, and modern web technologies
- Frontend + design sense - you can build UIs that don't just work, but feel great to use. You understand that good design is good business
- Product mindset - you talk to customers, understand their pain, and ship solutions that solve real problems
- High agency - you identify problems and fix them without being asked
Bonus Points
- Design background or strong visual/UX sensibilities - you know what good product design looks like
- Browser automation experience with tools like Playwright, Selenium, or Puppeteer
- Knowledge of browser internals, DevTools Protocol, or anti-detection techniques
- Background in AI/ML, particularly LLMs, prompt engineering, or evals
- Previous startup experience or experience building successful developer tools
- Vertical domain knowledge in logistics, healthcare, or financial services
Kaizen uses AI-powered browser automation to automate operational work across legacy web portals in industries like healthcare, logistics, and financial services. They replace manual portal work with reliable automation to improve efficiency in business-critical workflows.
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