# Platform Engineer

**Company:** [Flux Auto](https://hotfix.jobs/companies/flux-auto)
**Location:** San Francisco, CA
**Role:** Fullstack Engineering
**Experience:** 5+ years
**Skills:** TypeScript, Node.js, React, Stripe, Firebase, GCP, AWS, OAuth, Jwt, Sentry, Datadog, Grafana, CI/CD
**Posted:** 2025-11-19

> Builds and maintains full-stack platform features like billing, authentication, onboarding, and third-party integrations using TypeScript/Node.js/React. Ships production features, improves reliability, and collaborates on scalable APIs for an AI hardware engineering platform. Requires 5+ years experience.

## Job Description

## Responsibilities
- Build and maintain user-facing platform features (billing, auth, onboarding, settings).
- Integrate and maintain third-party APIs (Stripe, Firebase, analytics).
- Write TypeScript/Node backend services and React frontend components.
- Improve reliability and performance of core platform flows.
- Implement observability, logging, and error-tracking standards.
- Collaborate across teams to design APIs that support new products and integrations.
- Document architecture and best practices for your domain.

## Required Qualifications
- 5+ years of professional software engineering experience.
- Strong proficiency in **TypeScript**, **Node.js**, and **React**.
- Experience integrating and maintaining 3rd party APIs.
- Proven track record shipping production full-stack web apps.
- Familiarity with cloud hosting (**GCP/AWS/Firebase**) and CI/CD basics.
- Strong debugging and cross-system troubleshooting skills.

## Preferred Qualifications
- Experience with multi-tenant SaaS or collaborative web platforms.
- Familiarity with auth frameworks (**OAuth**, **JWT**, **Firebase Auth**).
- Exposure to observability stacks (**Sentry**, **Datadog**, **Grafana**).
- Prior experience building internal tools or admin dashboards.
- Startup or 0 → 1 product-building experience.

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**Apply:** https://hotfix.jobs/jobs/6fb98b2c-cc6b-47d2-9559-18ddee32fbfe
**Canonical:** https://hotfix.jobs/jobs/6fb98b2c-cc6b-47d2-9559-18ddee32fbfe