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KA
Kastle

Founder Intern (now and Summer 2026)

LocationSan Francisco
Work modeon-site
Typefull-time
DepartmentIntern
Company size11+ people
First seen2w ago
Last seen2d ago
About the role
We’re looking for an intern to start asap, in person in San Francisco.
As an intern, this will be the most intense, competitive, and transformative experience of your life. You’ll work directly with the founders and a small team of exceptionally smart, driven peers who are building the operating system for consumer lending.
Responsibilities
You will:
•
Ship real products.
•
Touch every part of the business from customer support, growth, operations, engineering, and sales.
•
Work directly with founders and unblock them
•
Handle the hardest, most boring, least glamorous tasks — without flinching.
•
Operate with extreme autonomy in an unstructured, high-paced environment.
•
Take vague prompts like “build something that helps the company grow” and turn them into working systems — on your own, or by rallying others to help.
Requirements
Ideal candidate:
•
Relentlessly resourceful
•
Learns fast, moves faster
•
Cares about quality
•
Very Technical
•
Can start next week
Hiring process
If that’s you, email us: founders at kastle dot ai. Just tell us why you’re a fit and add “Founder Intern” in subject. Keep it short. We’ll know.
About Kastle
Kastle is automating manual workflows for the financial services industry using AI agents. We work with the largest mortgage lenders in America and are hiring!
More roles at Kastle
Agent Product ManagerEnterprise Account ExecutiveMortgage Originations Process SpecialistFounder's OfficeStaff AI Engineer
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