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Founding Engineer Full Stack (Applied AI)

Founding Engineer Full Stack (Applied AI)

ScimaxconsultingSan Francisco, California, United States
11 hours ago
Job type
  • Full-time
  • Quick Apply
Job description

We are redefining the future of voice-based interactions by building highly realistic, AI-powered voice agents that enhance customer support, order intake, and lead qualification across industries. Backed by top investors, our AI is already handling millions of calls for leading companies across sales, support, and logistics.

With $2.7 million in funding and a lean, elite team of three, we were positioned for rapid expansion. If you thrive in high-growth, talent-dense environments and want to shape the technical foundation of an AI-first company, this is your opportunity.

Role Overview :

As a Founding Engineer , you'll shape the technical architecture, product roadmap, and long-term vision. You'll work with cutting-edge LLMs, voice systems, and scalable infrastructure while interfacing directly with customers and influencing product design.

This role demands an entrepreneurial mindset : we want someone who can move fast, solve complex technical challenges, and build with ownership.

What You'll Do :

  • Design and implement scalable full-stack systems (backend-heavy) that power millions of real-time interactions.
  • Collaborate with product and design to turn customer insights into elegant technical solutions.
  • Contribute to the development of prompt engineering and AI / LLM integrations for production-ready platforms.
  • Take ownership of technical decisions, infrastructure, and reliability at an early stage.
  • Act as a core partner in shaping company culture, hiring, and long-term strategy.

Who were they Looking For :

Seniority & Experience :

  • 20 years as a full-stack engineer, ideally spiking on the backend.
  • 13 years of experience at high-caliber startups (e.g., Scale AI, Figma, Notion, Databricks).
  • Bonus : founder or founding engineer experience .
  • Education :

  • Technical degree from a top 20 CS school (or equivalent exceptional background).
  • Hard Skills

  • Proficiency with TypeScript, React, Python, Ruby on Rails, PostgreSQL, AWS .
  • Experience with applied AI and / or prompt engineering for LLM platforms.
  • Soft Skills

  • Creative problem solver with enthusiasm for tough technical challenges.
  • Self-motivated, independent, and proactive in a startup setting.
  • Other :

  • Passion for AI innovation, constantly learning and experimenting.
  • Willingness to work 5.5 days per week in-person in San Francisco (Mon-Fri, plus half-day Sundays).
  • Compensation & Benefit :

  • Salary : $160K $260K
  • Equity : 0.5% 1.5%
  • Visa sponsorship May Be Possible for exceptional candidates.
  • Work directly with world-class founders, early customers, and cutting-edge AI systems.
  • Interview Process :

  • Intro + coding interview (45 minutes)
  • Take-home assignment (23 hours)
  • On-site work trial (full day)
  • You won't just be writing code, you'll be shaping the foundation of an AI company from day one.

    Apply

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    Applied Ai Engineer • San Francisco, California, United States

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