Job description

Title: Senior AI Engineer

Location: Charlotte NC (Onsite)

Duration: long term contrac

Role Overview

Charter Communications is looking for a senior AI Engineer, designing scalable LLM and NLP solutions for high-volume customer interactions. This role will drive architecture, best practices, and innovation across voice AI systems.

Key Responsibilities

Architect and develop AI-driven IVR and conversational systems using Python
Build NLP models for

text classification and clustering

to support intent detection and call routing
Perform data analysis using

SQL
Design and deploy LLM workflows (prompt engineering, RAG, evaluation) for voice and chat use cases
Lead development of

agentic AI workflows

for multi-step customer interactions
Establish

LLMOps best practices

, including monitoring, evaluation, and lifecycle management
Partner with IVR platform, speech engineering, and product teams
Mentor offshore and junior AI engineers

Required Skills & Experience

12+ years of experience in AI / ML
Very strong proficiency in

Python
Proven expertise in

NLP

, including:
Text classification
Clustering
Strong experience in

data analysis using SQL
Hands-on experience with

LLMs

:
Prompt engineering
Evaluation frameworks
Retrieval-Augmented Generation (RAG)

Good to Have

Experience with

Agentic AI

and multi-agent orchestration
Experience with

LLMOps / MLOps

in production environments
Cloud Experience

Libraries & Tools

Python / ML:

NumPy, Pandas, Scikit-learn, XGBoost
NLP:

spaCy, Hugging Face Transformers, NLTK, Sentence-Transformers
LLM Frameworks:

LangChain, LlamaIndex, OpenAI SDK
Agentic AI (Good to Have):

LangGraph, AutoGen, CrewAI
Data & SQL:

Oracle, MySQL, SQLAlchemy
Vector Databases:

FAISS, Pinecone, Weaviate, Qdrant

LLMOps / MLOps (Good to Have):

MLflow, Weights & Biases, BentoML, Airflow

Thanks, and Regards

Dhananjay kumar | Team Lead

Dhananjay.k@ampstek.com