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About the Role
We're looking for a Software Engineer Intern excited to build products used by millions of users monthly. You will work alongside experienced engineers to design, build, and ship production software and AI Agents deployed at large banks. Join a small, fast-moving team with real ownership, frequent feedback, and learn software development from idea to deployment.
Responsibilities
- Ship agent capabilities that run in production at national banks and servicers
- Contribute to evals and QA harnesses that catch failure modes and make reliable AI scale in production
- Work with the latest voice and language models, integrating them into enterprise environments
- Sit in on customer calls and learn directly from executives about AI deployment
- Contribute to technical documentation and internal tooling
Requirements
- 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
- Eager to learn, ask questions, and continuously improve
Skills
- Python
- Java
- Go
- JavaScript
- TypeScript
- C++
- Web development
- APIs
- Databases
- Cloud platforms
- Realtime agent operation
- Consumer lending
- Banking
- Financial services
Location
- Remote
Work Type
- Internship
- Full-time
Experience Level
- Intern
Education Level
- Bachelor's degree
- Master's degree
- Bootcamp degree
Benefits
- Opportunity to contribute to a company redefining an industry
- Hands-on experience building software used by real customers
- Mentorship from experienced engineers
- Exposure to the full software development lifecycle
- Opportunities to own meaningful projects and present work
- Collaborative team environment focused on learning, growth, and impact
About the Company
- Kastle is building the AI employee for consumer lending.
- We work with America's largest banks and mortgage lenders.
- We help scale contact center and compliance operations using autonomous AI Agents.
- Our AI Agents process payments, originate loans, and enhance customer experience.
- We've processed over $1 billion in transactions.
- We are backed by Y Combinator and Commerce Ventures.
- We are building AI applied in the real world where precision, reliability, and performance matter.
- We aim to redefine access to credit across the world.