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Founding Engineer, Full Stack

mLabs

$175,000 - $375,000
Nov 14, 2025
San Francisco, CA, US
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MLabs is building a unified platform to streamline the use of large language models (LLMs) for building and deploying applications at scale. They are looking for a Founding Full Stack Engineer to own the application layer and enhance developer productivity by providing a single interface for data collection, model evaluation, training, and deployment.

Requirements

  • 1+ years of professional experience building full stack applications.
  • Proficiency with modern frameworks, including React, Next.js, TypeScript, and Node.js.
  • Comfort working across the entire stack, with a bias toward backend systems and owning large, impactful projects.
  • experience deploying and scaling applications in the cloud, utilizing tools like AWS, Terraform, Docker, and Kubernetes.
  • background in dev tools or data infrastructure.

Responsibilities

  • Own Features End-to-End: Take high-impact projects from concept through design, implementation, launch, and iteration, working across the full stack.
  • Build Application Layer: Design and implement user-facing dashboards and critical developer tooling for monitoring, evaluating, and managing ML models.
  • Design Backend Systems: Design and implement robust APIs and backend systems that interface directly with our ML routing and training stack.
  • Lead Architecture: Drive foundational architecture decisions regarding system design, scalability, reliability, and deployment.
  • Influence Product: Lead and influence product decisions by working directly with early customers to understand pain points and shape the strategic roadmap.

Other

  • Founding Engineer, Full Stack (Product-Minded)
  • full-time, on-site position in San Francisco.
  • Visa sponsorship is available for TN visas and H-1B transfers. Other visa types will be considered on a case-by-case basis.
  • Highly Competitive Salary: Base salary ranging from $175,000 - $375,000, based on experience.
  • Significant Equity: Meaningful equity stake, with flexibility on the cash/equity split to suit the right candidate.