2,052,822open jobs
124,025companies
241,340added this week
Browse all
Salary
≈ $21k – $43k per year (Estimated)
Location
In office (Chennai)
Seniority
Senior

Confirmed on the employer's own hiring board on Nov 2, 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.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,052,822 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

AI/ML
Similar stack
Same company
Chennai
In office · Full-Time · Hyderabad
Python
AI/ML
AI Agents
LLM
RAG
DevOps
Rest API
Azure
Apply
In office · 4+ years exp · Bachelor's Degree · Gurgaon
Apply
In office · Bachelor's Degree · Hyderabad
Python
JavaScript
SQL
Databases
MySQL
PostgreSQL
Snowflake
Weaviate
Databricks
Chroma
Cassandra
Pinecone
DynamoDB
FAISS
Azure Cosmos DB
AI/ML
LangGraph
LangChain
Model Context Protocol
Prompt Engineering
AI Agents
Semantic Kernel
CrewAI
LLM
RAG
Multi-Agent Systems
Frontend
React.js
DevOps
Rest API
GCP
Azure DevOps
GitHub Actions
GitLab CI
Azure
CI/CD
Jenkins
AWS
Docker
Kubernetes
Analytics
Azure Data Factory
Apply
Hybrid · Full-Time · 6+ years exp · Bachelor's Degree · Pune
Go
JavaScript
Java
TypeScript
C++
Frontend
Angular
DevOps
GCP
AWS
Management
Agile
Scrum
Apply
In office · 6+ years exp · Bachelor's Degree · Gurgaon
AI/ML
LangGraph
LangChain
Model Context Protocol
AI Agents
Semantic Kernel
Google ADK
DevOps
GCP
Apply
In office · Full-Time · Chennai · Bengaluru
JavaScript
TypeScript
AI/ML
LangGraph
LangChain
LlamaIndex
Frontend
GraphQL
Next.js
React.js
DevOps
Rest API
GCP
Azure
CI/CD
Git
AWS
Apply
Procurement 5 hours ago
In office · Full-Time · Chennai
Apply
In office · Contractor · 7+ years exp · Chennai
Apply
In office · Full-Time · 15+ years exp · Chennai
Design
AutoCAD
Apply
In office · Full-Time · 12+ years exp · Master's Degree · Chennai
Apply
See all jobs
This is one of many
2,052,822 more open roles from verified company boards, updated every day.