Data Science GenAI Engineer

ExlService Holdings, Inc.; Gurugram District; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

EXL Talent Acquisition Team in India seeks a software/ML professional with 4–6 years of experience in software engineering or ML, focusing on Generative AI and NLP. The role emphasizes hands-on Python and experience with LLM APIs, LangChain, and vector databases.

The ideal candidate will have 2+ years in Generative AI, strong Python skills, and familiarity with cloud deployment on AWS, Azure, or GCP. Knowledge of data structures and APIs is essential for designing scalable systems.

Qualifications

• 4–6 years of overall software engineering or ML experience.
• 2+ years of hands-on experience in Generative AI, LLMs, or applied NLP.
• Strong programming skills in Python (required); experience with JavaScript/TypeScript is a plus.
• Practical experience with LLM APIs and frameworks (OpenAI-compatible APIs, LangChain, LlamaIndex).
• Prompt engineering and RAG architectures.
• Vector databases (Pinecone, FAISS, Weaviate, Chroma).
• Experience deploying ML/AI solutions in cloud environments (AWS, Azure, or GCP).
• Solid understanding of data structures, APIs, and system design.
• Ability to write clean, maintainable, and testable code.

Skills

Python

Generative AI

LLMs

NLP

JavaScript/TypeScript

Cloud deployment

Data structures

APIs design

System design

Code quality

Tools

OpenAI API

LangChain

LlamaIndex

Pinecone

FAISS

Weaviate

Chroma

Job description

• 4–6 years of overall software engineering or ML experience.


• 2+ years of hands-on experience in Generative AI, LLMs, or applied NLP.


• Strong programming skills in Python (required); experience with JavaScript/TypeScript is a plus.


• Practical experience with:
  • LLM APIs and frameworks (e.g., OpenAI-compatible APIs, LangChain, LlamaIndex)
  • Prompt engineering and RAG architectures
  • Vector databases (e.g., Pinecone, FAISS, Weaviate, Chroma)


• Experience deploying ML/AI solutions in cloud environments (AWS, Azure, or GCP).


• Solid understanding of data structures, APIs, and system design.


• Ability to write clean, maintainable, and testable code.