About the role
Founding Applied AI Engineer at Kastle
About Kastle
Kastle is building AI agents for consumer lending starting with mortgage. We work with some of America’s largest mortgage lenders, helping them scale their contact center and compliance operations efficiently using AI-driven voice agents. Backed by $2.3M from Y Combinator, Commerce Ventures, and executives from Snapdocs, Google, and WePay, we are redefining loan servicing with AI.
About the Role
As a Founding Applied AI Engineer, you will play a crucial role in integrating advanced AI technologies into Kastle’s platform. You’ll work on fine-tuning large language models (LLMs), designing AI workflows for highly regulated enterprises, and ensuring our AI agents deliver precise, compliant, and effective interactions.
This role is ideal for an engineer who is passionate about applied AI, eager to solve real-world challenges, and excited to build the technical foundation of an early-stage AI startup.
Responsibilities
- AI Model Integration: Fine-tune and deploy LLMs for real-time borrower interactions.
- Prompt Engineering: Design, test, and iterate on prompts to optimize AI performance and compliance.
- Custom AI Solutions: Train and implement domain-specific AI models for mortgage servicing.
- Scalability & Compliance: Ensure AI solutions meet regulatory standards (FDCPA, RESPA, TILA) and scale efficiently.
- Data Pipelines & APIs: Build robust AI-driven workflows that integrate seamlessly with loan servicing platforms.
