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Hybrid Manager, AI Engineering – Voice AI
Posted 2 months ago
About the role
- Design, author, and maintain prompt chains, decision flows, and persona logic for voice agents
- Integrate LLMs with speech, menu data, POS systems, and structured knowledge sources
- Lead implementation of fallback logic, retry mechanisms, and safety filters
- Fine-tune LLMs, ASR, and embedding models to optimize agent behavior and performance
- Apply optimization techniques such as LoRA, quantization, distillation, and pruning
- Collaborate with MLEs to measure and reduce latency, response failure, and hallucination rates
- Define evaluation workflows and scalable agent experimentation pipelines
- Mentor AI Engineers and Data Scientists on prompt strategy and model tuning
- Work cross-functionally with PMs, MLEs, QA, and voice platform teams to align priorities
- Deploy optimized LLM and ASR-based components and ensure responsiveness and quality of drive-thru AI experience
- Work from Taco Bell offices in Irvine, CA with hybrid in-office requirement (1–2 days per week)
- Occasional travel to test markets or partner locations may be required
Requirements
- 5+ years experience in AI Engineering, ML Systems, or LLM-driven development
- Deep experience with LLMs (e.g. OpenAI, Llama, Nemotron, Mistral) and prompt-based application design
- Strong coding skills in Python
- Experience with LangChain, vector stores, and API orchestration
- Experience fine-tuning or adapting ASR, embedding, or LLM models in production
- Familiarity with model optimization techniques (LoRA, quantization, distillation, pruning)
- Experience measuring and reducing latency, response failure, and hallucination rates
- Experience with real-time audio systems and multi-turn conversational agents (preferred)
- Experience deploying LLM agents in customer-facing use cases (preferred)
- Understanding of speech interfaces, retrieval-augmented generation (RAG), and evaluation metrics (preferred)
- Mentoring or leadership experience working with AI Engineers and Data Scientists (implied)
Benefits
- 4 weeks’ vacation PLUS holidays
- Sick leave
- 2 paid days to volunteer at the cause of their choice
- Dollar-for-dollar matching gift program
- Generous parental leave
- Medical, dental, vision and life insurance
- 6% 401k match
- Bonus eligibility
- Hybrid work model: in-office 1–2 days per week
- Occasional travel to test markets or partner locations
- Recognition culture
- Opportunities for growth across Yum! brands
Job title
Job type
Experience level
Salary
Degree requirement
No Education Requirement
Tech skills
Location requirements
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