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Yum! Brands · 19 hours ago

Manager, AI Engineering - Taco Bell Voice AI

Irvine, CA

Full-time

Hybrid

Senior Level

$134K/yr - $158K/yr

5+ years exp

Yum! Brands is the world's largest restaurant company, seeking a Manager of AI Engineering to lead the development of intelligent voice agent behaviors for the Taco Bell Voice AI program. This role involves crafting agent logic, deploying optimized components, and ensuring a high-quality drive-thru AI experience.

Food and BeverageHospitalityRestaurants

Growth Opportunities

H1B Sponsor Likely

Responsibilities

Design, author, and maintain prompt chains, decision flows, and persona logic

Integrate LLMs with speech, menu data, POS systems, and structured knowledge sources

Lead the implementation of fallback logic, retry mechanisms, and safety filters

Fine-tune LLMs, ASR, and embedding models to optimize agent behavior and performance

Leverage techniques like LoRA, quantization, distillation, and pruning

Collaborate with MLEs to measure and reduce latency, response failure, and hallucination rates

Mentor AI Engineers and Data Scientists on prompt strategy and model tuning

Define evaluation workflows and scalable agent experimentation pipelines

Work cross-functionally with PMs, MLEs, QA, and voice platform teams to align priorities

Qualification

AI EngineeringLLM experiencePythonASR fine-tuningLangChainAPI orchestrationTeam leadershipCollaboration

Required

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 and experience with LangChain, vector stores, and API orchestration

Experience fine-tuning or adapting ASR, embedding, or LLM models in production

Preferred

Familiarity with real-time audio systems and multi-turn conversational agents

Experience deploying LLM agents in customer-facing use cases

Understanding of speech interfaces, retrieval-augmented generation (RAG), and evaluation metrics

Benefits

4 weeks’ vacation PLUS holidays

Sick leave

2 paid days to volunteer at the cause of their choice

A dollar-for-dollar matching gift program

Generous parental leave

Competitive benefits including medical, dental, vision and life insurance

6% 401k match

Yum!’s world-famous recognition culture

Company

Yum! Brands

Glassdoor4.2

Yum! Brands is a quick-service restaurant brand that primarily operates the likes of KFC, Pizza Hut, and Taco Bell.

Founded in 1997

Louisville, Kentucky, USA

1001-5000 employees

http://www.yum.com

H1B Sponsorship

Yum! Brands has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2021 (1)

2020 (2)