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Salary
≈ $20k – $42k per year (Estimated)
Location
In office (Noida)
Seniority
Senior

Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Oct 29, 2026.

Overview
Company
Impact
Profile match
HCLTech is a major Indian multinational information technology (IT) services and consulting company headquartered in Noida, Uttar Pradesh. Spun off from the original HCL Group in 1991, it ranks as one of India's largest technology companies alongside firms like TCS, Infosys, and Wipro.

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

Good to Have

4

Other Requirements

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

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