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Data Scientist Resume

St Petersburg, FL

PROFESSIONAL SUMMARY:

  • Over 8 years of experience as a Professional Qualified Data Scientist/Data Analyst in Data Science and Analytics including Machine Learning, Data Mining, and Statistical Analysis.
  • Achieved solutions through problem solving and analyzing data.
  • Skilled in python, R, SAS, SQL for algorithm development, data modeling, statistical learning and data Visualization.
  • Hands on experience applying ML/Statistical algorithms to real world problems: Neural Networks, Random Forest, Clustering, Generalized Linear Models and excellent skills at Python, SQL, NumPy, Pandas, R.
  • Proficient at Machine Learning algorithms and Predictive Modeling including Naive Bayes, Random Forests, Decision Trees, Linear and Logistic Regression, SVM, Clustering, neural networks, Principle Component Analysis, Neural Networks, Ensemble Models, SVM, KNN and K - means clustering and good knowledge on Recommender Systems.
  • Strong exposure to writing simple and complex SQL, TSQL queries.
  • Strong experience on data analysis, design, planning and implementing of large scaled big data projects in Hadoop Ecosystem. Knowledge of Data Warehousing concepts and Extract Transform and Load (ETL) processes.
  • Strong skills in SQL, data warehouse, data exploration, data extraction, data validation, reporting and excel.
  • Experienced with Docker container service, created Dockerized applications by creating Docker images from Dockerfile.
  • Using tools like Tableau and Microsoft Excel for data analysis and generating data reports.
  • Extensively used SQL for accessing and manipulating database systems.

PROFESSIONAL EXPERIENCE:

Data Scientist

Confidential - St. Petersburg, FL

Responsibilities:

  • Worked with parameter tuning and model evaluation techniques Confusion Matrix, Cross validation, AUC-ROC etc. Customer Profiling models using K-means and K-means++ clustering algorithms to enable targeted marketing.
  • Worked with various customer analytics such as Customer targeting, campaign sales analysis, KPI analysis, forecasting sales, NLP models.
  • Implemented dimensionality reduction using Principal Component Analysis and k-fold cross validation as part of Model Improvement.
  • Developed and implemented predictive models using machine learning algorithms such as linear regression, classification, multivariate regression, Naive Bayes, Random Forests, K-means clustering, KNN.
  • Used Convolutional Neural Network (CNN) to perform image classification and object detection.
  • Used Pandas, NumPy, Scikit-learn in Python for developing various machine learning models.
  • Customer segmentation based on their behavior or specific characteristics like age, region, income, geographical location and applying Clustering algorithms to group the customers based on their similar behavior patterns.
  • Consulted with and trained analysts to effectively access data and optimize Tableau dashboards.
  • Maintained SQL scripts to create and populate tables in data warehouse for daily reporting across departments.
  • Developed ETLs for data sources used in production reporting for marketing and operations teams.
  • Created customized reports and processes in SAS and Tableau Desktop
  • Assisted the HR director in talent assessment of new Data Scientists.
  • Worked with Customer Churn Models including Random forest regression, lasso regression along with pre-processing of the data.
  • Worked with Docker components like Docker engine, Hub, Compose and registry for storing Docker images and files running multiple containers in staging and production environments.
  • Worked on Jenkins, Docker for continuous integration and end-to-end automation for all build and deployments.
  • Used Python 3.X (NumPy, SciPy, pandas, scikit-learn, seaborn) and Spark 2.0 (PySpark, MLlib) to develop variety of models and algorithms for analytic purposes.
  • Designed rich data visualizations to model data into human-readable form with Matplotlib.

Environment: Tableau, SAS, Matplotlib, Python (NumPy, pandas, SciPy, scikit-learn, seaborn) and Spark 2.0 (PySpark, MLlib), SQL, Jenkins, Docker, TSQL.

Data Scientist

Confidential - San Francisco, CA

Responsibilities:

  • Developed pipelines to analyze large simulation datasets combining my own Python, Tcl and Shell scripts with established molecular modeling tools.
  • Interpreted complex simulation data using statistical methods.
  • Used Pandas, NumPy, Scikit-learn in Python for developing various machine learning models such Random forest and step-wise regression.
  • Worked with ANN (Artificial Neural Networks) and BBN (Bayesian Belief Networks).
  • Hands on experience in Dimensionality Reduction, Model selection and Model boosting methods using Principal Component Analysis (PCA), K-Fold Cross Validation and Gradient Tree Boosting.
  • Created and maintained reports to display the status and performance of deployed model and algorithm with Tableau.
  • Implemented cluster services using Docker and Kubernetes to manage local deployments in Kubernetes by building a self-hosted Kubernetes cluster using Terraform and Ansible and deployed application containers.
  • Developed and builds alignment within Product Operations for frameworks/prototypes that integrate data and machine learning/predictive modeling to make business decisions
  • Identifies and develops solutions that use new areas of data, research and models that can solve business problems
  • Developed project plans for complex and occasionally highly complex development projects
  • Managed data and data requests to improve the accuracy of our data and decisions made from data analysis
  • Used and learns a wide variety of tools and languages to achieve results (e.g., R, SAS, Python, SQL)
  • Lead work on data and problems across departments to drive improved business efficiencies through designing, building, and partnering to automate models
  • Communicated findings to ensure automated frameworks are well understood and incorporated into business processes

Environment: Python (NumPy, pandas, SciPy), SQL, TSQL, Tableau, SAS, Docker, Scikit-learn, R

Machine Learning Engineer

Confidential - Tampa, FL

Responsibilities:

  • Created various types of data visualizations using Matplotlib, Seaborn and Tableau.
  • Used Tableau to convey the results by using dashboards to communicate with team members and with other data science teams, marketing and engineering teams.
  • Created visualization maps for a diabetic insurance claims using a heatmap to find correlations with help of seaborn visualization.
  • Developed a machine learning model to match the claims with the supporting documents to decrease the manual intervention.
  • Worked with several proofs of concept models using Deep Learning, Neural networks.
  • Performed feature engineering including feature intersection generating, feature normalize and label encoding with Scikit-learn preprocessing.
  • Developed machine learning & python scripts for day to day business activities.
  • Worked with various regression algorithms like Random Forest Regression, Decision Tree regression, Polynomial Regression, Binomial Regression and Support Vector Models to forecast machinery failures in auto-motive industries.
  • Worked with various customer analytics such as Customer targeting, campaign sales analysis, KPI analysis, forecasting sales, NLP models.
  • Worked on Personalized marketing models to implement simplicity and targeted marketing for specific customers.
  • Worked with Clustering algorithms to target specific group of customers to generate profitable revenue.
  • Used market basket analysis, association rules analysis to identified patterns, data quality issues and leveraged insights.

Environment: Python (NumPy, pandas, SciPy, scikit-learn, seaborn) and Spark 2.0 (PySpark, MLlib), SQL, TSQL, Tableau

Data Analyst

Confidential

Responsibilities:

  • Designed and maintained databases using Python and developed Python based API
  • Analyzed the source data coming from different sources (SQL Server, Oracle and also from flat files like Access and Excel) and working with business users and developers to develop the Model.
  • Have Used Informatica Data Quality as ETL tool to transform the data from various sources and bring them into one common format and load them into target database for the analysis purpose from Data Warehouse.
  • Executed SQL queries to validate actual test results and match expected results as per financial rules.
  • Responsible for maintaining the integrity of the SQL database and reporting any issues to the database architect.x v
  • Design and model the reporting data warehouse considering current and future reporting requirement
  • Involved in the daily maintenance of the database that involved monitoring the daily run of the scripts as well as troubleshooting in the event of any errors in the entire process.
  • Creating database schema for MySQL Database and helped to draw ER-Diagrams using Microsoft Visio.
  • Managed code versioning with GitHub and deployment to staging and production servers.

Environment: MySQL, SQL, TSQL, Oracle, ER-Diagrams, Microsoft Visio, Informatica, ETL Tools, Excel, GitHub

Business Analyst

Confidential

Responsibilities:

  • Gathered business requirements and documentation using use case specifications, Visio diagrams and class diagrams. Worked with an IT team and analyzed the business and functional requirements. Documented and delivered Functional Specification Document (FSD) to the project team.
  • Practiced various SDLC methodologies. Used effective Agile Methodology techniques to conduct weekly team meetings to ensure the development activities are streamlined. Worked with Software Developers to help translate Project requirements into functional specifications (SDLC) and User Stories (Agile/SCRUM).
  • Assisted and coordinated integration and User Acceptance Testing (UAT) prior to the release of new data feeds into production.
  • Provided analysis, understanding and business perspectives on many financial and operational issues. Gathered Functional and Data Requirements, analyzed workflows and created Use Cases, Requirement Specifications, Report Specifications, Data Requirements, Data Mappings and Data Flow Diagrams.
  • Develop business process models using Agile Methodology by document user stories existing and future business processes. Analyze "AS IS" and "TO BE" scenarios, designed and documented new process flows, business process and various business scenarios.
  • Gather business requirements and documentation using use case specifications, Visio diagrams and class diagrams. Develop Business Requirement Document (BRD) that supported overall strategy, goals and objectives.
  • Create System Requirement Document (SRD), document, User Requirement Specification (URS) and Change Request (CR) document for system application development. Extract email addresses and sent emails using SharePoint and document details from within a workflow.
  • Good knowledge on Requirement Gathering Techniques. Participate in brainstorming sessions to prioritize and distribute tasks to the UAT team for effective execution.

Environment: Microsoft Office, MS-Project, SharePoint 2013, MS-Visio 2010, HTML, Java, version one.

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