# Member of Technical Staff – Product Engineering

**Company:** [Phylo](https://hotfix.jobs/companies/phylo)
**Location:** South San Francisco, CA
**Role:** Fullstack Engineering
**Salary:** $200k – $300k/yr
**Skills:** React, TypeScript, JavaScript, Full-Stack Development, AI Agents, Billing Systems, Authentication, APIs, Sandboxed Environments, Developer Tools
**Posted:** 2026-02-03

> 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.

## Job Description

## 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.

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**Canonical:** https://hotfix.jobs/jobs/3ea5dc8c-6e3f-4cd7-a3f1-c98a5b9484fe