GenAI Engineer (VertexAI, ADK, Agent Engine)

Tata Consultancy Services Limited; Hyderabad, Chennai, Bengaluru; Remote; INR 1,200,000 - 2,400,000; Full time

Job summary

Tata Consultancy Services Limited is seeking a seasoned AI/ML engineer to design and build GenAI applications using large language models. The role focuses on RAG pipelines, prompt engineering, fine-tuning with LoRA/PEFT, and managing vector databases, with strong emphasis on performance, security, and cost optimization.

You will collaborate with cross-functional teams across Pan India to deploy scalable LLM solutions using Python, FastAPI, Hugging Face, LangChain, FAISS, and cloud/container

Qualifications

• 5–8 years of experience in AI/ML and GenAI.
• Hands-on with LLMs and RAG pipelines.
• Experience in prompt engineering and model fine-tuning.
• Knowledge of vector databases (FAISS, Pinecone).
• Strong software engineering and collaboration skills.

Responsibilities

• Design and build GenAI applications using LLMs.
• Implement Retrieval-Augmented Generation pipelines.
• Develop prompt engineering strategies.
• Fine-tune models using LoRA/PEFT techniques.
• Manage vector databases (FAISS, Pinecone).
• Optimize performance, latency and cost.
• Ensure security and compliance.
• Collaborate with cross-functional teams.

Skills

Prompt engineering

RAG pipelines

5-8 years experience

Cross-functional collaboration

Tools

Python

FastAPI

Hugging Face

LangChain

FAISS

Pinecone

Azure OpenAI

Docker

Kubernetes

Job description

Hi,

Experience; 5- 8 Years / Location: Pan India.

Notice Period: Immediate 30 Days Only.

Design and build GenAI applications using LLMs

• Implement Retrieval-Augmented Generation (RAG) pipelines
• Develop prompt engineering strategies
• Fine-tune models using LoRA/PEFT techniques
• Manage vector databases (FAISS, Pinecone)
• Optimize performance, latency, and cost
• Ensure security and compliance
• Collaborate with cross-functional teams

Python, FastAPI, Hugging Face, LangChain, FAISS, Azure OpenAI, Docker, Kubernetes.