# Founding Product Engineer

**Company:** [Sphere](https://hotfix.jobs/companies/sphere)
**Location:** San Francisco, CA
**Role:** Fullstack Engineering
**Salary:** $230k – $260k/yr
**Skills:** React, Figma, Python, Django, Posthog, Sentry
**Posted:** 2025-09-15

> Founding product engineer owns customer experience and ships frontend features end-to-end using React, collaborates with design via Figma, engages directly with finance customers, and co-owns product roadmap in early-stage AI compliance startup. Requires strong attention to detail and customer obsession.

## Job Description

## Responsibilities

- Work directly with customers to identify pain points and prioritize features
- Collaborate with design team using Figma to build and ship features end-to-end daily
- Handle customer support to deeply understand user needs
- Own customer experience (CX), making it flawless and unique
- Co-own product roadmap with CEO/Founder
- Build customer feedback and analysis processes for prioritization

## Requirements

- Strong experience with **React** (entire frontend built in React)
- Strong experience with **Figma** for design collaboration
- Customer obsession, especially with finance professionals
- Very strong attention to detail (working with numbers)
- Strong organization skills for managing feature requests

## Nice-to-Haves

- Experience with large volumes of transaction data
- Experience with **Python** and **Django** (backend and data pipelines)
- Experience using **PostHog** and **Sentry**

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**Apply:** https://hotfix.jobs/jobs/609f48ea-ac0c-4122-aafe-0181a0170af4
**Canonical:** https://hotfix.jobs/jobs/609f48ea-ac0c-4122-aafe-0181a0170af4