Senior AI Engineer

Infosys; Bengaluru; Hybrid; INR 4,000,000 - 6,500,000; Full time

Job summary

Infosys in Bengaluru seeks a senior AI Engineer to architect scalable LLM and NLP solutions for high-volume customer interactions. You will lead the design of AI-driven IVR and chat systems, build NLP models for intent detection, and deploy end-to-end LLM workflows while mentoring offshore teams.

The role requires deep Python expertise, extensive NLP experience, and strong SQL data analysis capabilities, with a focus on production-grade MLOps and responsible AI practices.

Qualifications

• 9+ years of experience in AI/ML.
• Very strong proficiency in Python.
• NLP expertise including text classification and clustering.
• Data analysis using SQL.
• Hands-on experience with LLMs: prompt engineering, evaluation frameworks, and RAG.

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.

Skills

Python

NLP

SQL

LLMs

Prompt engineering

RAG

MLOps

Agentic AI

LLMOps monitoring

Education

Master of Technology

Bachelor of Computer Applications

Bachelor of Engineering

Bachelor of Technology

Tools

NumPy

Pandas

Scikit-learn

XGBoost

spaCy

Transformers

LangChain

LlamaIndex

OpenAI SDK

LangGraph

AutoGen

CrewAI

Oracle

MySQL

SQLAlchemy

FAISS

Pinecone

Weaviate

Qdrant

MLflow

Weights Biases

BentoML

Airflow

Job description

Job Descriptionsenior 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

Technical Requirements

• 9+ 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

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

Educational Requirement

Master Of Technology,Bachelor Of Comp. Applications,Bachelor Of Engineering,Bachelor Of Technology

Preferred Skills

Technology->OpenSystem->Python - OpenSystem->Python,Technology->AI-Responsible AI->Responsible AI,Technology->AI-Agentic AI->Agent Engineering,Technology->Database->SQL tuning,Technology->AI-AI Hyperscalers->Azure Agentic AI Services->Azure NLP

Service Line

Engineering Services