One platform that keeps originations, fulfillment, and servicing moving 24/7, built for regulated work and connected to the systems you already use. Backed by Y Combinator.
About the role
We're looking for a Software Engineer Intern who is excited to build products that are used by millions of users every month. As an intern, you won't spend your summer fixing minor bugs or working on isolated projects—you'll work alongside experienced engineers to design, build, and ship production software and AI Agents that is deployed at some of the world’s largest banks.
What they're looking for
- Currently pursuing or recently completed a Bachelor's / Master's / Bootcamp degree in Computer Science, Software Engineering, or a related field
- Strong programming fundamentals in at least one language such as Python, Java, Go, JavaScript, TypeScript, or C++
- Experience building personal projects, coursework, hackathon projects, or previous internships
- Familiarity with web development, APIs, databases, or cloud platforms is a plus
- Strong problem-solving skills and attention to detail
- Comfortable working in a collaborative, fast-paced environment
More about this role
Kastle is building the AI employee for consumer lending. We work with some of America's largest banks and mortgage lenders, helping them scale their contact center and compliance operations using autonomous AI Agents that process payments, originate loans, and help customers get a world class experience during the biggest financial decisions of their lives. We've processed over $1 billion in transactions and are backed by Y Combinator and Commerce Ventures. If you are interested in building AI that is applied in the real world where precision, reliability, and performance matter and redefine access to credit across the world, apply below.
We're looking for a Software Engineer Intern who is excited to build products that are used by millions of users every month. As an intern, you won't spend your summer fixing minor bugs or working on isolated projects—you'll work alongside experienced engineers to design, build, and ship production software and AI Agents that is deployed at some of the world’s largest banks.
You'll join a small, fast-moving team where you'll have real ownership, receive frequent feedback, and learn how software is built from idea to deployment.
If you're curious,...
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