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Founding Full-Stack Engineer

clera · San Francisco · hires in United States
Sponsorship unavailableOn-siteIndustry: ai
Direct source excerpts
Visa sponsorship: Not available.
On-site in San Francisco, CA, United States.
Extracted role summary · not eligibility evidence

Founding Full-Stack Engineer role at a pre-seed AI startup building consumer-facing products across web, mobile, backend, and AI integrations.

Next.jsReact NativeFFmpegRemotionPythonTypeScript

ABOUT THE ROLE

Join a pre-seed Applied AI startup in San Francisco as a Founding Full-Stack Engineer, working directly alongside the founders to ship across the entire product. This is a high-ownership, high-impact role at a small team building at the intersection of generative AI, creative intelligence, and social media — with ambitions to reach hundreds of millions of users.

You'll touch everything: web, mobile, backend, infrastructure, AI integrations, and video processing pipelines. If you thrive in fast-moving, founder-led environments and want your work to matter from day one, this role is for you.

WHAT YOU'LL DO

  • Build across the full product surface: web app (Next.js), mobile app (React Native), admin tools, pricing flows, and dashboards.
  • Ship real features fast — multi-agent orchestration, FFmpeg video stitching, Remotion pipelines, and LLM/VLM integrations.
  • Architect systems designed to scale to one million users per day.
  • Collaborate directly with founders on product decisions, UX flows, and technical direction.
  • Dive into whatever moves the product forward — UI, backend, infra, orchestration, computer vision, ML, or DevOps.
  • Own problems end-to-end without waiting for permission or detailed instructions.

WHAT WE'RE LOOKING FOR

Required (dealbreakers)

  • Strong proficiency with Next.js and React Native for building web and mobile interfaces.
  • Hands-on, end-to-end full-stack experience across UI, backend, and infrastructure.

Strongly preferred

  • Experience integrating and deploying AI systems, including large language models (LLMs) and vision language models (VLMs).
  • Practical experience with video processing and media pipelines using FFmpeg and Remotion.
  • 1–3 years of relevant experience in a fast-paced, multi-disciplinary environment.
  • Ownership mindset — you ship fast, communicate clearly, and flag issues early rather than going quiet.
  • Experience building consumer-facing applications at high user volumes.

COMPENSATION & BENEFITS

  • Salary: Up to $300,000 USD annually (commensurate with experience).
  • Early-stage equity in a pre-seed company with strong investor backing.
  • Visa sponsorship: Not available.

LOCATION

  • On-site in San Francisco, CA, United States.
  • This is an in-person role; remote work is not available.