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Posted 3mo ago•San Francisco

Software Engineer

MiddleOn-site (San Francisco)Salary undisclosed
Job Description

About Ploy

Ploy is building an AI-native growth engine for modern marketing teams — combining high-leverage product experiences with reliable, scalable systems.

We’re a small, fast-moving team shipping new product surfaces weekly and hardening them for real production traffic. If you enjoy building end-to-end products, sweating details, and scaling what you ship, you’ll fit in well.

The role

As a Founding Engineer, you’ll work across the stack to build core product experiences and the systems behind them. You’ll partner closely with product and design, own projects from idea → shipped → scaled, and help shape the engineering culture and technical direction as we grow.

What you’ll do

  • Build 0→1 product features end-to-end: discovery, technical design, implementation, launch, and iteration.

  • Use the latest AI tools every day — build with them, push their limits, and learn alongside teammates doing the same.

  • Ship across the stack (web app, backend services, data, infrastructure) with a bias toward simple, durable systems.

  • Build product experiences with strong UX quality: interaction design, performance, and polish.

  • Design and operat

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