Artificial Intelligence Engineer

We are hiring for a Sr AI Engineer to help design and improve voice-based AI agents for drive-thru operations. This role is perfect for early career AI engineers or data scientists looking to expand their skills in LLM-based interaction design, speech system optimization, and production-quality prompt development.
You'll collaborate closely with advanced senior AI Engineers, MLEs, and QA to iterate on agent prompts, tune foundational models, and contribute to the overall agent experience for customers and employees.
Key Responsibilities:
Prompt Engineering & Agent Design:
Author and refine prompt instructions, chaining logic, and fallback strategies
Design and test multi-turn conversation flows aligned to Taco Bell brand voice
Build and maintain system personas and error handling routines
Model Tuning & Evaluation:
Fine-tune LLMs, ASR models, and embedding systems under supervision
Assist in running experiments using LoRA, distillation, or pruning methods
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