Job Location: Kolkata
Roles and Responsibilities
Suitable candidates will be part of Wipro Digital-Intelligent Enterprise practice. The role entails leveraging Data Science and Machine Learning to solve typical problems within an organization and create IP that could be deployed in a productized mode. This will entail significant hands-on work on multiple Big Data Technologies, Data Analysis, Identifying data patterns, ML models, Insights generation. The role entails deployment in a customer context and managing customer expectations.
Technical Skills Required:
• Hands on with Python or R
• Analytics using industry leading BI tools and technologies
• Implementation knowledge of supervisedun-supervised machine learning algorithms
• Good statistical analysis skills for data pre-processing and data wrangling
• Experienced in using big data frameworks like Hadoop
• Knowledge of business intelligence tools or reporting tools
Data Preparation for Modeling
- Missing Data Imputation,Outlier Treatment
- Scaling, Normalization, Standardization
- Encoding for Categorical Variables
- OversamplingUndersampling for reducing class imbalance
Experience in building solutions using Model Library
- Feature Selection
- Tree-based Ensemble Models
- GradientAdaptive Boosted Trees
- Hyper-parameter tuning
Building Prediction mechanisms using methods like Logistic regression, voting classifier stacking etc
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