Sr Data Scientist Resume
New York, NY
SUMMARY:
- 14+ Years of experience in Python programming on different platforms of Data Science and Machine Learning
- Experience in implementing Naive Bayes and skilled in Random Forests, Decision Trees, Linear and Logistic Regression, SVM, Clustering, neural networks, Principle Component Analysis and good knowledge on Recommender Systems
- Worked on implementation of Dynamic programming in Machine learning as Reinforcement learning
- Worked on different libraries related to Data science and Machine learning like Scikit - learn, OpenCV, NumPy, SciPy, Matplotlib, pandas, Json, SQL, Scala etc.
- Hands on SparkMlib utilities such as including classification, regression, clustering, collaborative filtering, dimensionality reduction
- Hands on experience in Data visualization using Microsoft’s Power BI Tools Power Query, PowerPivot, Power View, Power Map, Power BI sites and Data Management
- Experience in successfully implementing various Cloud services like Windows Azure Cloud (Service Bus, Web Jobs, and Scheduler) and Amazon Web Services (AWS)
- Worked on Spark SQL for querying structured data and worked on RDD (Resilient Distributed Data Set), Spark Data frames for data analytics
- Development of complex SQL queries, Stored Procedures, Functions, Scripts and Triggers in MS SQL Server
- Full stack development in ASP.NET using C# along with designing web pages in HTML, CSS and JavaScript
- Design and Implement Azure Functions, Cloud Web API and API Management
- Integration of Cloud Web API, Azure Functions, SharePoint Online with On-Premise web applications
- Information and Solution Architecture of large implementations in SharePoint 2013,2010 and 2007 for various clients in Insurance, Tax, Financial and Transportation domains
- Design & Development of SharePoint workflows, Custom Solutions using CSOM, jQuery, AngularJS & PowerShell, and Power BI Solutions (Power View and Power Pivot)
- Used Natural Language Processing (NLP) for response modeling and fraud detection efforts for credit cards
- Supported client by developing Machine Learning Algorithms using Python programming and big data using PySpark to analyze transaction fraud, Cluster Analysis etc.
- Work experience on Windows Azure, Azure Active Directory, SQL azure, creating resource groups, subscriptions, build definitions and release definitions
- Customized Master Pages, Page Layouts, Themes, CSS to improve SharePoint UI customization and corporate branding look and feel using SharePoint Designer 2007/10/13
- Experience in Software Development Life Cycle (SDLC) including Requirements Analysis, Design Specification and Testing as per Cycle in both Waterfall and Agile methodologies
- Also worked on different Python 2.x/3.x web frameworks like Django
- Also have an ability to design a Data warehouse/Mart or a Database model on different platforms like SQL, NoSQL, Oracle, SQL Server with full redundancy and normalization.
- Worked on deep learning and machine learning platforms like Caffe, Neon and TensorFlow.
TECHNICAL SKILLS:
Programming Languages: Python 2.x/3.x, R, Scala, SQL, PL/SQL, TSQL, Spark, Sqlit3, C#, T-SQL, Apache Spark, Power Shell, SQL Server, SharePoint, ASP.NET, HTML, CSS, ECMAScript, and JavaScript
Frameworks, Packages: OpenCV, Django web framework, Scikit-learn, pandas, json, NumPy, SciPy, mechanize, Beautifulsoup4, MNE, Caffe, NLP, Google ML, ggplots2
Scripting: JavaScript, AngularJS, NodeJS, Shell Scripting (Linux)
Database Platforms: Oracle (10g,11g,12c), Spark, PDI, AWS (S3/EC2 Cloud Platforms)
Reporting Tools: Pentaho, BigML, Google Cloud Prediction API, MLBase, R-Shiny
Machine Learning: Linear Regression, SVM, KNN, Naive Bayes, Logistic regression, CART, Random Forest, K-means clustering, Hierarchical clustering, TensorFlow, Caffe, Neon
SharePoint Technologies: SharePoint Online/ 2016/ 2013/2010/2007, SharePoint Designer 2013/2010/2007 InfoPath 2013/2010/2007, Nintex Designer 2010/2013 MS Project 2016/2013
Data Analysis/Statistical Analysis: Hypothesis Test, ANOVA, Survival Analysis, Longitudinal Analysis, Experimental Design and Sample Determination, A/B Test, Z-test, T-test.
PROFESSIONAL EXPERIENCE:
Confidential - New York, NY
Sr Data Scientist
Roles & Responsibilities:
- Multiclass Classification of policy, underwriting, submission and claim documents based on the document content using Multinomial Naïve Bayes, Support Vector Machines (SVM) and Stochastic Gradient Descent Text based classification algorithms and NLTK, Numpy, Pandas, Scikit-Learn, Gensim, Yellow brick and MatplotLib libraries
- Also involved in a project to identify the employees' access level, based on their current & historical tasks and duties.
- Developed data solutions to support strategic initiatives, improve internal processes, and assist with strategic decision-making and design SWOT Analysis.
- Performed Data Cleaning, features scaling, features engineering using pandas and NumPy packages in Python 2.x/3. x.
- Replacement of missing data and perform a proper EDA, Univariate and bi-variate analysis to understand the intrinsic effect/combined effects.
- Involved working on different databases like XML, NoSQL and SQL of different platforms etc.
- Involved working in Data science using Python 2.x/3.x on different data transformation and validation techniques like Dimensionality reduction using Principal Component Analysis (PCA) and A/B testing, Factor Analysis, testing and validation using ROC plot, K- fold cross validation, statistical significance testing.
- Used predictive analytics and machine learning algorithms to forecast key metrics in the form of designed dashboards on to AWS (S3/EC2 Cloud Platforms) and Django platform for the company’s core business
- Provided data and analytical support for the company’s highest-priority initiatives
- Used Python 2.x/3.x / R to develop many other machine learning algorithms such as Decision Tree, linear regression, multivariate regression, NLP (Natural Learning Process), Naive Bayes, Random Forests, K-means, & KNN based on Unsupervised/Supervised Model that help in decision making using TensorFlow and Sklearn
- Generated visualizations using Tableau and R-Shiny to present the findings on call center analytics.
- Designed and implemented custom Workflows to materialize various business policies and processes for publishing content using SharePoint Designer 2010/2013.
- Implementation of Reinforcement learning techniques in the field of Machine learning by following Dynamic programming using Python 2.x/3. x.
- Also worked with several R packages including knitr, dplyr, SparkR, CausalInfer, spacetime.
Confidential -New York, NY
Sr Data Scientist
Roles & Responsibilities:
- Used pandas, numpy, seaborn, scipy, matplotlib, scikit-learn, NLTK in Python for developing various machine learning algorithms
- Data Manipulation and Aggregation from different source using Nexus, Toad, Business Objects, Power BI and Smart View.
- Programmed a utility in Python that used multiple packages (scipy, numpy, pandas)
- Implemented Classification using supervised algorithms like Logistic Regression, Decision trees, KNN, Naive Bayes
- Evaluated the performance of Various Classification and Regression algorithms using R language to predict the future power
- Performed data cleaning and feature selection using MLlib package in PySpark and working with deep learning frameworks such as Caffe, Neon etc
- Worked with data investigation, discovery and mapping tools to scan every single data record from many sources
- Coded R functions to interface with Caffe Deep Learning Framework
- Working in Amazon Web Services cloud computing environment
- Designed the prototype of the Data mart and documented possible outcome from it for end-user
- Involved in business process modeling using UML
- Validated the machine learning classifiers using ROC Curves and Lift Charts
- Developed and maintained data dictionary to create metadata reports for technical and business purpose
- Created SQL tables with referential integrity and developed queries using SQL, SQL PLUS and PL/SQL
- Experience in maintaining database architecture and metadata that support the Enterprise Data ware house.
Confidential, Kenilworth, NJ
Data Scientist/Machine Learning
Roles & Responsibilities:
- Involved in entire project life cycle by gathering requirements, analysis, design, development, testing and Deployment
- Assisting business by being able to deliver a machine learning project from beginning to end, aggregating and exploring data, building and validating predictive models and deploying completed models to deliver business impacts to the organization
- Quires on different databases related to structural and non-structural data and worked on its extraction.
- Parsing data, producing concise conclusions from raw data in a clean, well-structured and easily maintainable format using Python 2.x/3. x.
- Making of power analysis to determine the sample strength in the datasets.
- Extracting the hidden information from different quantitative variable by variable analysis and analytics.
- Analyzing the data set and explore different dimensions/patterns in it, for Feature Engineering.
- Involved with a team of developers on core predictive models like linear regression, logistic regression and KNN etc. identifies the likelihoods, to improve the predictive performances and predict the binaries.
- Creating various B2B Predictive and descriptive analytics on to the dashboards.
- Worked with Business intelligence tools and visualization tools such as Tableau, ChartIO, etc.
- Responsible for working in an Agile Team environment, participating in daily Scrum team activities, supporting testing efforts and resolving defects to implement business and technical requirements
- Set up users in online O365 environment
- Built solutions utilizing Microsoft PowerApps and Microsoft Flow
- Built a custom framework to handle JSOM and CSOM calls
- Built forms using object-oriented JavaScript code which could be easily maintained
- Built Nintex Forms according to complex business logic
- Involved in creating reports by pulling data from multiple lists using Angular js and Rest Api’s
- Built a project management dashboard in SharePoint
- Created custom SharePoint Designer Workflows and used OOTB SharePoint Workflows effectively
- Design and Development of Lists and SharePoint Approval workflows using SharePoint Designer 2010
- Created Site setup for End-Users of End User Computing System to capture and manipulate information
- Experience in designing and building workflows using SharePoint Designer and Visual Studio.
Confidential -New York, NY
SharePoint Developer/.Net Developer
Roles & Responsibilities:
- Involved in all phases of Software Development Life-Cycle (SDLC) for the application
- Designed whole application in ASP.NET 4.0 using C# as code behind
- Involved in designing and developing the Web pages (UI) using C#, ASP.NET, HTML5, CSS, JavaScript, jQuery, Server Controls and Data Controls
- Created ASP.NET User Controls and Master pages to reduce the complexity of user interface design and to have a common look and feel
- Creating and managing Azure Web-Apps and providing the access permission to Azure AD users.
- Extensively used JavaScript, CSS, Ajax and jQuery to make the User Interface more responsive to hence enhance the performance of the application
- Used Angular.JS directives and controllers to present the data in charts and tables
- Involved in migrating the application to the cloud using Microsoft Azure
- Created and registered Angular Service Functions in the Factory Service for each page
- Java Script and .NET validation controls are extensively used for client-side custom validations
- Creating a webpage and user account for the website using the ASP.NET application, Angular JS jQuery and JSON
- Designed and developed new SharePoint Portal Site to improve collaboration among employees.
- Worked on SharePoint Designer for creating specific permissions to users
- Used XML and XSLT for transforming data from different formats into XML and vice versa
- Created Web services and WCF as per the business requirement. Modified them using C# to interact with the other applications and exposed them using SOAP and HTTP
- Designed and implemented custom Workflows to materialize various business policies and processes for publishing content using SharePoint Designer 2013.
- Created custom entities in entity framework to connect data access layers and SQL server 2008
- Used GitHub for providing access controls and collaboration features like bug tracking, task management and feature requests for the project
- Design and Implement WCF services layer hosted on Windows Azure.
- Developed Stored Procedures, Triggers, and Views for accessing the database. Developed many SQL queries to fetch data as per the business requirements in SQL Server 2008
- Supporting Various Web applications, SSRS, SSIS, SQL Server and MS Access, across sites
- Used SSRS for analyzing and generating reports. Generated graphs and charts dynamically that reflects reports. Version control for the source code and scripts are managed using TFS.
Tools: and Platform Languages: C#.Net, ASP.Net3.5/4.0, MVC 4, MVC 5, SharePoint, Web API, RESTful APIs, Angular JS, Microsoft Visual Studio 2008/2010/2013, VB.Net, VB Script, SQL Server2005/2008, SSRS 2005/2008, SSIS 2008, Microsoft Power BI and MS Access, WCF, Exchange Web services (EWS),SQL Server 2008, Web Services, ADO.NET, LINQ, WPF, SOAP, SSRS, SSIS, HTML5, CSS3, XML, AJAX, GitHub Windows Azure.
Confidential -Princeton, NJ
.Net Developer
Roles & Responsibilities:
- Implementing Business Layer using C#. Involved in designing and developing the Web Forms (UI) using HTML, CSS, HTML Controls, Server Controls and Data Controls
- Created ASP.NET User Controls and Master pages to reduce the complexity of user interface design and to have a common look and feel
- Java Script was extensively used for client-side custom validations
- Developed XML Web Services to interact with Java apps to retrieve Quote information
- Implemented PowerShell to create SharePoint Sites, List, Library
- Designed and implemented Data access layer using ADO.NET to connect and retrieve or manipulate database information
- Install, configure and maintain SQL server databases and Perform database backups and refreshes
- Responsible for designing database tables, Complex T-SQL Stored Procedures, Functions and Triggers in SQL Server
- Developed Workflows using the SharePoint designer to automate common business activities such as document review and approval
- Deployed SPD Activities to overcome the limitations of SharePoint Designer 2010 to perform copy/move actions
- Involved in unit testing and integration testing of the application
- Used Crystal Reports to create Reports.
Tools: and Platform Languages: .Net Framework 4.5, C#.Net, SharePoint, Angular JS 1.5, Visual Studio 2017, IIS 7.0, JavaScript, CSS3, HTML 5, SQL Server 2016, Windows server 2012, TFS, GIT, SharePoint, JIRA, Service now, MTM 2017, SQL, PL/SQL.
Confidential -Pittsburgh, PA
.NET Developer
Roles & Responsibilities:
- Develop code, test in C#.NET and manage SQL database
- Designed and Developed web-based UI using SQL Server, ASP.NET, and C #. Developed the application using OOAD concepts and standards
- Implemented the business logic in the middle tier using C#.NET and used Master Pages templates, CSS, and themes to define unified look and feel for the application
- Designed and developed on SharePoint Add-ins (Provider Hosted Apps)
- Created stored procedures and functions CRUD operations using SQL server 2012
- Designed and developed Custom SharePoint WCF services to expose SharePoint data to other client applications and developed solutions using SharePoint Client Object model and JSOM
- Worked on SharePoint Designer for creating specific permissions to users
- Developed .NET Classes and domain objects and successfully consumed available WCF services
- Created and executed unit test cases for the modules assigned
- Worked on the change /enhancement requests for the legacy application developed using ColdFusion
- Used Visual source safe (VSS) for all the source code maintenance among the team members.
Tools: and Platform Languages: ASP.NET 3.0, SharePoint, ADO.NET, HTML, CSS, XML/XSLT, JavaScript, SQL Server 2005, Visual Studio.Net 2005, Windows XP, Web Services, IIS 6.0, AJAX, Visual Source safe.