🔔 FCM Loaded

Data Scientist

EXL

2 - 5 years

Gurugram

Posted: 20/02/2026

Getting a referral is 5x more effective than applying directly

Job Description

Key Responsibilities:

  • Design and build Generative AI solutions using Large Language Models (LLMs) for business problems across domains like customer service, document automation, summarization, and knowledge retrieval.
  • Fine-tune or adapt foundation models using domain-specific data.
  • Implement RAG pipelines, embedding models, vector databases (e.g., FAISS, Pinecone, Chroma DB).
  • Collaborate with data engineers, MLOps, and product teams to build end-to-end AI applications and APIs.
  • Develop custom prompts and prompt chains using tools like Lang Chain, LlamaIndex, Prompt Flow, or custom frameworks.
  • Evaluate model performance, mitigate bias, and optimize accuracy, latency, and cost.
  • Stay up to date with the latest trends in LLMs, transformers, and GenAI architecture.

Required Skills:

  • 5+ years of experience in Data Science / ML, with 1+ year hands-on in LLMs / GenAI projects.
  • Strong Python programming skills, especially in libraries such as Transformers, Lang Chain, scikit-learn, PyTorch, or TensorFlow.
  • Experience with OpenAI (GPT-4), Claude, Mistral, LLaMA, or similar models.
  • Knowledge of vector search, embedding models (e.g., BERT, Sentence Transformers), and semantic search techniques.
  • Ability to build scalable AI workflows and deploy them via APIs or web apps (e.g., FastAPI, Streamlit, Flask).
  • Familiarity with cloud platforms (AWS/GCP/Azure) and MLOps best practices.
  • Excellent communication skills with the ability to translate technical solutions into business impact.

Services you might be interested in

Improve Your Resume Today

Boost your chances with professional resume services!

Get expert-reviewed, ATS-optimized resumes tailored for your experience level. Start your journey now.