Data Analyst (Aug, 2020
–Present) at Persistent Systems, Pune
Highly experienced Data Scientist with 3.6+ years’ experience in Data Extraction, Data Modelling, Data Wrangling, Statistical Modelling, Data Mining, Machine Learning, and Data Visualization.
Expertise in transforming business resources and requirements into manageable data formats and analytical models, designing algorithms, building models, developing data mining and reporting solutions that scale across a massive volume of structured and unstructured data.
Proficient in managing entire data science project life cycle and actively involved in all the phases of project life cycle including data acquisition, data cleaning, data engineering, features scaling, features engineering, statistical modelling, testing and validation, and data visualization.
Proficient in Machine Learning algorithm and Predictive Modelling including Regression Models, Decision Tree, Random Forests, Sentiment Analysis, Naïve Bayes Classifier, SVM, and Ensemble Models.
Collaborated with data engineers and operation team to implement ETL process, wrote and optimized SQL queries to perform data extraction to fit the analytical requirements.
Explored and analyzed the customer-specific features by using Spark SQL.
Performed univariate and multivariate analysis on the data to identify any underlying pattern in the data and associations between the variables.