Kastle is offering an exciting opportunity for aspiring software engineers to gain hands-on experience in a fast-moving technology environment in San Francisco. As a Software Engineer Intern, you’ll have the opportunity to work on real engineering projects, strengthen your technical skills, collaborate with an innovative team, and gain valuable experience that can help launch your career in software development.
Job Overview
| Field | Details |
|---|---|
| Company Name | Kastle |
| Role | Software Engineer Intern |
| Qualification | Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or a related technical field |
| Job Location | San Francisco, California |
| Salary | $45–$55 per hour |
| Work Type | On-site |
| Job Type | Internship |
| Job Level | Entry Level / Intern |
| Industry | Software Development / Technology |
Job Description
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, enjoy solving difficult problems, and want to grow as an engineer by building meaningful products, we’d love to meet you.
What You’ll Do
- Ship agent capabilities that run in production at national banks and servicers
- Contribute to evals and QA harnesses that catch failure modes and makes reliable AI scale in production
- Work with the latest voice and language models — latency, interruption handling, grounding, tool use — and integrate them into enterprise environments
- Sit in on real customer calls and learn directly from executives and how AI gets deployed in the real world
- Contribute to technical documentation and internal tooling.
What We’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.
- Eager to learn, ask questions, and continuously improve.
Bonus Points
- Experience building agents that operate in realtime settings
- Interest in consumer lending, banking, or financial services
What You’ll Gain
- A rare opportunity to contribute to a company that will redefine an entire industry
- Hands-on experience building software used by real customers.
- Mentorship from experienced engineers.
- Exposure to the full software development lifecycle—from planning to production.
- Opportunities to own meaningful projects and present your work.
- A collaborative team environment focused on learning, growth, and impact.
Selection Process
- Submit your application and resume.
- Application and resume screening by the hiring team.
- Initial interview with the recruiting or hiring team.
- Technical interview or skills assessment.
- Final interview with the engineering team.
- Receive the hiring decision and offer.
How to Apply
- Visit Kastle’s official careers page and review the available opportunities. Kastle Careers
- Search for the Software Engineer Intern position in San Francisco.
- Review the job requirements and application instructions.
- Prepare your updated resume and relevant academic or project experience.
- Submit your application through the designated application portal.
- Complete any interview or assessment steps requested by the hiring team.
