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Member of Technical Staff – Product Engineering

Builds and owns full-stack product features with frontend focus for AI agent platform used by biomedical scientists, including UI, backend APIs, billing, and authentication. Requires 2+ years experience, strong React/TypeScript skills, and cross-functional collaboration.

200k – 300kSouth San Francisco, CAFullstack EngineeringOnsite

About the role

What You’ll Work On

  • Build and own full-stack product features across the Phylo platform, from user-facing UI to backend services.
  • Design and implement frontend-heavy experiences for interacting with AI agents, workflows, and scientific tools.
  • Own critical product surfaces such as billing, usage tracking, authentication, permissions, and account management.
  • Collaborate closely with scientists, AI researchers, and engineers to translate capabilities into intuitive, production-ready product features.
  • Ship quickly, iterate based on feedback, and continuously raise the bar on product quality, reliability, and performance.

Requirements

  • 2+ years of industry experience as a product, full-stack, or frontend-leaning software engineer.
  • Strong experience building modern web applications (e.g. React, TypeScript, or similar frameworks).
  • Comfort working across the stack (frontend, backend, and infrastructure) and strong communication skills, with the ability to collaborate effectively across biologists, product, engineering, and AI teams.
  • Strong product instincts — you care deeply about UX, polish, and how real users experience the system.
  • Ability to move fast, own features end-to-end, and operate with high autonomy.
  • High standards for code quality, maintainability, and engineering excellence.

Nice to Have

  • Experience building AI-powered products, agent interfaces, or developer tools.
  • Familiarity with sandboxed or isolated execution environments for agents or user code.
  • Experience with billing systems, metering, or enterprise SaaS features.
  • Experience working in AI-native teams that use coding agents or automation extensively.
  • Interest in scientific, biomedical, or research-focused products.

Skills

ReactTypeScriptJavaScriptFull-Stack DevelopmentAI AgentsBilling SystemsAuthenticationAPIsSandboxed EnvironmentsDeveloper Tools

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