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Proliferate (YC S25) Is Hiring- 200k for junior engineers

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Why This Matters

Proliferate's hiring of junior engineers to help build its innovative operating system for modern engineering signifies a major opportunity for early-career developers to contribute to cutting-edge AI and infrastructure projects. This role offers high ownership, rapid learning, and the chance to shape a foundational product in a fast-paced startup environment, impacting the future of engineering tools and workflows.

Key Takeaways

About Proliferate

Proliferate is building the operating system for modern engineering.

We are building the company in person in SoMa, San Francisco. We care a lot about intensity, craft, and working with people who want to do the best work of their careers. We work hard, and we also take health seriously: company-expensed Whoop, meaningful health and wellness budget, and top-tier insurance.

About the Founder

I (Pablo) finished my master's in AI at 19 and joined Onyx (YC W24) as engineer #1, where I spent a year building enterprise AI search before starting Proliferate. You can see what I shipped there here. We’ll be working closely together.

About the Role

You’d be one of our first engineering hires and build the core product. This is a high-ownership role across product, systems, and user experience.

Example work:

Build a new core workflow end to end across agent runtime, product UI, and cloud infrastructure.

Design and ship a new interface for human-agent collaboration made possible by a model capability that landed last week.

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