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Founding Engineer - Backend

StackAI

$150,000 - $250,000
Aug 18, 2025
San Francisco, CA, US
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Stack AI is looking to solve the problem of democratizing access to Large Language Models, so that anyone can build AI-powered applications that generate positive impact to the world.

Requirements

  • Strong proficiency in Python and experience with FastAPI or similar web frameworks.
  • Solid understanding of database management, design, and optimization, with hands-on experience in SQL and NoSQL databases (or tools such as Supabase and SQL Alchemy).
  • Practical experience with cloud services, particularly AWS, including EC2, S3, RDS, and Lambda.
  • Familiarity with Docker, Kubernetes, and other containerization and orchestration tools.
  • Proven track record of building and maintaining large-scale backend systems.
  • Knowledge of AI models, including understanding their integration and deployment in production environments.
  • Experience with retrieval-augmented generation (RAG) pipelines

Responsibilities

  • Develop robust and scalable backend systems.
  • Design and manage database infrastructure, ensuring high performance and responsiveness to requests from the front end.
  • Integrate new AI models as they are released into our products, and maintain existing ones for optimal performance.
  • Work closely with the founding team to align backend development with company goals and user needs.
  • Stay ahead of the curve in backend technologies, advocating for best practices and innovative approaches.
  • Listen to user needs, help them, build strong relationships and dive into customer support now and then.

Other

  • Effective communication skills and the ability to work collaboratively in a team environment.
  • Ability to remain curious and open to learning new skills.
  • Default to action, radical transparency, boldness, and strong opinions loosely-held.
  • Willingness to wear many hats as an early-stage startup joiner.
  • Passion for AI and technology, eager to work in a startup environment where agility and innovation are highly valued.