Data Scientist

EXL; Maharashtra; On-site; INR 3,000,000 - 6,000,000; Full time

Job summary

EXL is seeking a senior data scientist in Maharashtra, India to build and deploy ML models with a focus on natural language processing and information extraction. You will work on end-to-end NLP pipelines, including data prep, model selection, fine-tuning, and evaluation, with an emphasis on practical, production-ready solutions.

You will apply deep learning and traditional ML techniques, leverage cloud platforms, and collaborate with cross-functional teams to deliver scalable data-driven

Qualifications

• degree in CS, ML, mathematics or statistics or equivalent experience.
• 6+ years of data science experience with hands-on ML modeling.
• Familiarity with NLP evolution from traditional models to modern LLMs.
• Experience building RAG pipelines with embeddings, indexing, chunking and prompts.
• Strong Python programming with NumPy/Pandas/Scikit-learn/Jupyter.
• Knowledge of SQL and Spark; cloud experience preferred.

Skills

NLP knowledge

Python programming

ML algorithms

Cloud platforms

SQL & Spark

Communication skills

Education

Bachelor's or Master's degree in a quantitative field

Tools

NumPy

Pandas

Scikit-learn

Jupyter

Spark

Databricks

Azure / AWS

Job description

• Bachelor's or Master's degree in a quantitative field (CS, machine learning, mathematics, statistics) or equivalent experience.
• 6+ years of experience in data science, building hands-on ML models.
• Candidate must be aware of entire evolution history of NLP (Traditional Language Models to Modern Large Language Models), training data creation, training set-up and finetuning
• Knowledge of advanced RAG pipelines with proper embeddings, indexing, chunking, reranking, prompts and evaluation
• Excellent programming skills in Python. Strong working knowledge of Pythons numerical, data analysis, or AI frameworks such as NumPy, Pandas, Scikit-learn, Jupyter, etc
• SQL skills with SQL Server and Spark experience is preferred but not necessary.
• Knowledge of predictive/prescriptive analytics including Machine Learning algorithms (Supervised and Unsupervised) and deep learning algorithms and Artificial Neural Networks
• Experience with Natural Language Processing (NLTK) and text analytics for information extraction, parsing and topic modeling.
• Excellent verbal and written communication. Strong troubleshooting and problem-solving skills. Thrive in a fast-paced, innovative environment
• Experience with cloud platforms such as Azure, AWS, Databricks is preferred