Founding Frontend Engineer (React)

Location: San Francisco Bay Area (Onsite)

Compensation: $150K-$180K + Equity

Company: YC-Backed Startup (Stealth Mode)

About the Role

Join a Y Combinator-backed startup building cutting-edge automation tools for Fortune 500 clients in finance and insurance. As the Founding Frontend Engineer, you'll work directly with technical founders to architect, build, and scale the company's core web application from the ground up.

Responsibilities:

Lead development of a high-performance React Front End for an enterprise automation platform
Collaborate with founders, designers, and Back End engineers on product roadmap and technical vision
Build complex workflows, dashboards, and data visualizations
Ensure code quality, maintainability, and scalability
Mentor future Front End hires as the team grows

Requirements:

3+ years of Front End development experience with deep expertise in React (TypeScript preferred)
Proven track record building and shipping products from 0 to 1 in early-stage startups
Ability to work onsite in the SF Bay Area 5 days a week.

Bonus Qualifications

B2B SaaS

Why Join?

Be a foundational team member in a YC-backed startup with strong traction and Fortune 500 customers
Competitive salary ($150K-$180K), significant equity, and chance to shape company culture
Work with a talented, mission-driven team that values speed, ownership, and innovation

HartleyCo

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