Staff AI Engineer

Kastle builds AI for financial institutions, including contact center and compliance operations. The Staff AI Engineer role focuses on building AI platform foundations, fine-tuning and deploying language models, designing workflows for regulated enterprises, and improving voice-agent performance and compliance.

Responsibilities:

• AI Model Integration: Fine-tune and deploy LLMs for real-time voice-based borrower interactions
• Prompt Engineering: Design and iterate on prompt strategies to optimize AI performance and compliance
• Evaluate LLMs and AI Agents: Build high quality evals using our proprietary datasets to benchmark AI agent performance and run experiments
• Custom AI Solutions: Train and implement domain-specific AI models for consumer lending
• 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
• Continuous Optimization: Monitor performance metrics and continuously improve agent quality and borrower experience