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Founder Intern (Immediate Start and Summer 2026)

KastleSan Francisco
On-site Internship

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Experience Level

Entry Level

Qualifications

Ideal CandidateDemonstrates relentless resourcefulness. Possesses a quick learning ability and moves swiftly. Shows a commitment to quality and excellence. Has strong technical skills. Is available to start next week.

About the job

About the Role

We are seeking a dynamic intern to join our team in San Francisco, starting immediately. This is an on-site position that promises to be one of the most challenging, competitive, and transformative experiences you'll ever encounter.

As a founder intern, you will collaborate closely with our founders and a small team of highly talented, driven individuals who are creating an innovative operating system for consumer lending.

Your responsibilities will include:

  • Delivering tangible products that make an impact.

  • Engaging in various aspects of the business including customer support, growth, operations, engineering, and sales.

  • Working directly with founders to facilitate their initiatives.

  • Handling essential, albeit challenging tasks with resilience.

  • Operating autonomously in a fast-paced and unstructured environment.

  • Transforming ambiguous directives such as “build something that helps the company grow” into actionable systems, whether independently or by collaborating with others.

About Kastle

Kastle is at the forefront of automating manual workflows within the financial services sector through the use of AI agents. We collaborate with some of the largest mortgage lenders in the United States and are actively expanding our team!

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