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Senior Data Scientist - ML, Python

India

Job Description

Senior Data Scientist - ML, Python

Chennai, Tamil Nadu

Job Summary

The Senior Data Scientist plays a crucial role in transforming unstructured big data into actionable insights through advanced algorithms and innovative data models. This position is essential for developing strategies that enhance client service delivery and product optimization, using cutting-edge machine learning tools and techniques to drive data-driven decision-making within the organization.

Key Responsibilities

1. Design And Implement Advanced Machine Learning Algorithms Using Tensorflow And Pytorch To Extract Insights From Large Datasets, Delivering Customized Analytical Reports Tailored To The Needs Of Colleagues, Clients, And Stakeholders.
2. Leverage Python And Sql To Develop And Optimize Data Models That Address Specific Organizational Challenges, Ensuring Effective Integration And Management Of Data.
3. Analyze And Mine Large Datasets To Identify Trends And Patterns, Utilizing Advanced Analytics Techniques To Interpret Findings And Provide Actionable Recommendations Based On Experimental Results.
4. Collaborate With Cross-Functional Teams To Identify Opportunities For Utilizing Data Insights To Formulate Strategic Business Solutions That Enhance Operational Efficiency And Product Offerings.
5. Create Comprehensive Visualizations And Reports Using Data Visualization Tools To Communicate Complex Analysis And Results Clearly, Enabling Informed Decision-Making For Customers And Stakeholders.

Skill Requirements

Skill Matrix DS/ML (E2Band)
Years of Exp TEX:6+yrs; REX: 5+yrs
Location - Pan India or any constraint - Also mention location for physical attendance Noida, Bangalore, Hyd, Chennai
Project type (Support / Dev / Maintenance / Testing) Dev
Team Handling / Individual Contributor Both
Shift involved - If yes please share timing. No
Customer interview involved - yes / No No
Sell Rate NA
Notice Period P1:0-30days; P2: 30-45days: P3: 45-90days
Skill Mandatory Proficiency Level (1-5)




Machine Learning & NLP Yes 5
Python Yes 5
Natural Language Processing [NLP], Yes 5
Machine learning model evaluation Yes 5
Kafka,Apache Spark Yes 5
NumPy, pandas, scikit-learn, TensorFlow, PyTorch, XGBoost, LightGBM, NLTK, SpaCy, StatsModels,Cross-validation, ROC/AUC, Precision/Recall, F1-score, Confusion Matrix,Supervised/Unsupervised Learning, Deep Learning, Time Series, Reinforcement Learning,Hadoop, Apache Kafka, Apache Airflow Positive to Have 4

Other Requirements

1. Optional But Valuable Certifications: Certified Data Scientist (Cds), Tensorflow Developer Certificate, Or Professional Data Engineer Certification.

Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.

Copyright © 2026 HCL Technologies Limited

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📌 Senior Data Scientist - ML, Python (India)
🏢 HCLTech
📍 India