⚡ About Cosign

Cosign is revolutionizing the $4 trillion rental industry with a market-leading rent guarantee product. Our mission is to expand housing access for renters and boost occupancy for landlords. Backed by top entrepreneurs, venture capital firms, and real estate investors, Cosign is built by experienced landlords who deeply understand the rental market’s needs.

🏆 Role Overview

As our second technical hire, you'll directly shape Cosign's product and engineering direction. Working closely with our CEO, CTO, and Head of Strategy, you'll:

Build high-impact features and scale our product to match rapid growth
Collaborate on product strategy and technical architecture decisions
Implement solutions across our entire stack

We're seeking a versatile engineer with 3+ years of experience, strong React/JavaScript skills, and experience with Ruby on Rails. You should be passionate about creative problem-solving and emerging technologies.

🚀 Our Tech Stack

Backend + Database: Ruby on Rails, Ruby, PostgreSQL
Frontend: React, JavaScript, TypeScript, HTML, CSS
Infrastructure: Render.com (potential AWS/GCP migration planned)
Other Services: AppSignal, Github Actions, Resend, Cloudflare (R2)

🙏 Why Join Us?

Join at this pivotal growth stage and enjoy competitive compensation, comprehensive benefits, and true work flexibility while making a significant impact. We value autonomy, innovation, and a collaborative culture where your voice matters.

🛎️ Important Details

Position: Full-Stack Software Engineer (Proptech / Insurtech)
Compensation: $100k - $200k + 0.50% - 1.50% equity
Locations (US Only): Remote or Hybrid (New York, NY)

Cosign jobs

Full-Stack Software Engineer (Proptech / Insurtech)