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Open nowPosted 160 days ago

Founding Engineer

riften.ai1 open role

Where
San Francisco
Work mode
Hybrid
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Your applicationOpen nowFounding Engineerriften.ai · San Francisco

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  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

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The clock on this job

Early applications get read.

12.1% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.1%7 days
  4. 19.1%14 days
  5. 35.6%30 days
  6. 52.7%60 days
This job: posted 160 days ago

The posting

We are an early-stage, fast-moving team building the next generation of data and AI infrastructure. Backed by top-tier venture capital, we are solving high-stakes, complex enterprise challenges by shifting traditional paradigms. We move fast, value extreme ownership, and prioritize shipping exceptional software over rigid processes. As a Founding Engineer, you won’t just be writing code—you will be architecting our core platform from scratch, defining our engineering culture, and shaping the product roadmap alongside the founders.

What You’ll DoArchitect & Build: Design, implement, and scale our core infrastructure, data pipelines, and end-to-end agentic workflows from the ground up. Own the Stack: Take complete ownership of entire product verticals—from robust backend systems and API integrations to custom frontend widgets and interactive developer tools. Ship at High Velocity: Rapidly prototype and deploy production-ready features, balancing speed with clean, extensible architecture. Shape the Culture: Help interview, mentor, and build out the initial engineering team while establishing robust development and deployment best practices. Collaborate Closely: Work directly with the founders to translate raw market feedback and user needs into beautiful, technical realities.

Who You AreThe Ultimate Generalist: You are a full-stack product engineer who loves diving into complex infrastructure but equally cares about building a flawless, intuitive user experience. 0-to-1 Builder: You thrive in ambiguity. You don't need a perfectly spec'd ticket to start building—you figure out what needs to exist and execute. Technical Excellence: You have deep experience with modern application stacks (e.g., React, TypeScript, Python/Node, SQL/NoSQL databases) and are highly comfortable building multi-agent systems, complex data pipelines, or robust API frameworks. Product-Minded: You think like a founder. You care deeply about why we are building something and how it impacts the end-user. High-Agility: You have a bias for action and are energized by a fast-paced startup environment.

What We OfferHighly competitive base salary + significant founding equity package. High-end hardware setup of your choice. The opportunity to be an instrumental, early pillar of a venture-backed company with a massive trajectory.

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