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Posted 24 June, 2026

Consultant II - B2

ExlService Holdings, Inc.
Gurugram, Haryana, India Full Time
Reference: 218_689623_15910

We are seeking a skilled and innovative Generative AI Engineer with 3-6 years of experience in AI/ML development to design, build, and deploy GenAI-powered applications. The ideal candidate will have hands-on experience with Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), prompt engineering, and modern AI frameworks. You will work closely with data scientists, software engineers, and business stakeholders to deliver scalable AI solutions that drive business value.

  • Bachelor's or Master's degree in Computer Science, Artificial Intelligence, Data Science, or a related field.
  • 3-6 years of experience in Software Engineering, Machine Learning, NLP, or AI development.
  • Strong proficiency in Python and software engineering best practices.
  • Experience with Generative AI frameworks such as:
    • LangChain
    • LlamaIndex
    • LangGraph
    • Semantic Kernel (preferred)
  • Hands-on experience with LLMs including:
    • GPT models
    • Claude
    • Llama
    • Gemini
    • Mistral
  • Experience building RAG systems using vector databases such as:
    • Pinecone
    • FAISS
    • Chroma
    • OpenSearch
    • Weaviate
  • Familiarity with embedding models and semantic search techniques.
Key Responsibilities
  • Design, develop, and deploy Generative AI applications using state-of-the-art LLMs.
  • Build and optimize RAG pipelines leveraging vector databases and enterprise knowledge sources.
  • Develop prompt engineering strategies and evaluate model performance.
  • Fine-tune, customize, and optimize foundation models for domain-specific use cases.
  • Integrate AI solutions with cloud platforms and enterprise systems through APIs and microservices.
  • Implement AI observability, monitoring, and evaluation frameworks.
  • Develop scalable and production-ready AI applications following MLOps best practices.
  • Conduct experimentation and benchmarking of LLMs, embeddings, and retrieval techniques.
  • Collaborate with cross-functional teams to gather requirements and translate business problems into AI solutions.
  • Stay updated on advancements in Generative AI, LLMs, agents, and multimodal AI technologies.

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