SUMMARY

• Data Scientist with extensive knowledge and 2.5 years work experience in Machine Learning, Statistical models, Predictive analytics, Natural Language Processing (NLP),
• Hadoop along with 15+ years of work experience in software industry as Database developer/administrator, Data analyst and .Net developer.

TECHNICAL SKILLS

Natural Language: Processing (NLP)Azure Data Lake AnalyticsAzure Data Lake Store R, Python, NLTK, Scikit, U - SQLStatistics & ProbabilityHadoop/HDFS

Machine Learning: Predictive AnalysisMapReduce(PIG/Hive)

Database: MS SQL ServerSSASSSIS(2014/ 2012, 2008 R2, 2005, 2000)OLAP CubeQuery AnalyzerT-SQLMDX queries

SQL Profiler: OLTPSSRSDBCompareBusiness IntelligenceData Transformation (ETL)

Software: C#.NetJavaScriptTFSJava (MapReduce)Web ServicesJoomla

PROFESSIONAL EXPERIENCE

Data Scientist

Confidential

Responsibilities:

• Architect, design and develop innovative, scalable, data science and machine learning applications using R, COSMOS, Azure stack including Azure Data Factory, Azure Data Lake Store, Azure ML Studio.
• Predictive Analytics, finding business insights on very huge Product usage telemetry data in COSMOS.
• Building end-to-end workflow using Machine Learning, Statistical & Predictive Analytics models that includes Data extraction, Anomaly deduction, Impute data, feature selection by Statistical Analysis, Algorithm selection for Statistical model, training, testing & evaluation of models, visualization of results for a variety of usage metrics consumed by major stakeholders using R & Azure stack.
• Developing Time Series Forecasting models to forecast customer's usage of specific Confidential products, projection on new customers for top-level management.
• Building a centralized telemetry (COSMOS, HDInsight, Azure Data Lake, R, U-SQL, SCOPE) data streams for Predictive & Statistical Analytics and applying Machine Learning models.
• Working closely with teh engineering team, Sales and program managers in order to extract teh necessary data for teh events driven Hypothesis testing.
• Entire workflow covers teh technologies like BigData COSMOS, HDInsight, Azure SQL Warehouse, Azure Data Factory, Azure ML Studio, SCOPE, PowerBI, R etc.

Senior Data Analyst

Confidential, Bellevue

Responsibilities:

• Developed regression analysis model to predict employee attrition (Churn prediction) using supervised machine learning model in AzureML studio, ADLS, ADLS (COSMOS) and U-SQL.
• Identify business needs, collect relevant data, find business insights, propose hypothesis, execute predictive analytics and statistical modeling and come up with recommendations to improve business.
• Work closely with Sales/Marketing & Recruiting team on analyzing funnel data identify attributes and recommend solutions.
• Predictive analysis of ROI jobs using historical data and current market demands using AzureML.
• Performed ETL operations on large volume of data using R, Python, U-SQL, T-SQL, SSIS.
• Time series forecasting of Business trends using ARIMA model.
• Trained and developed binary classification model to predict likelihood of hiring job-seekers for jobs using Azure ML, ADLS, ADLS and R, Python, Scikit deployed as web-service and consumed for scoring.
• Developed Unsupervised Machine Learning model to cluster job-seekers based on their skills & geography.
• Develop Cloud based Next Generation Recruiting software with a resume parser using Natural Language Processing (NLP) using Python, NLTK, Porter Stemmer, C# & Stanford Open-NLP.
• Analyzed data from multiple job boards using SSAS, multi-dimensional cube and developed SSRS reports.
• Generate visually compelling dashboard reports using PowerBI on key metrics and insights including cost per hire, time to fill to improve ROI.
• Architect work flow for customized Applicant Tracking System (ATS) that involves C#, .Net technologies, SQL Server and Machine Learning algorithms.
• Automate and centralize all applicant information with a user-friendly, searchable platform using C#, .Net, DevExpress controls.
• Pipe-line project: Recommendation system for like-wise job-seeker to job match and vice versa.

Functional Architect & Senior Developer

Confidential, Auburn- WA

Responsibilities:

• Create multi-dimensional cubes in SQL Server Analysis Services (SSAS) and generate report by slicing and dicing of data using MDX queries.
• Worked extensively in database design, data integrity and design of heavy business logic using T-SQL framework - Stored Procedures, Triggers, UDF and DTS Package tools, Linked Servers, SQL Server Analysis Services, Multi-Dimensional Cubes, complex MDX queries.
• As Functional Architect, analyzed teh application requirements with Confidential Architects & end users and resolved conflicts in business needs.
• Designed and developed CPS, which is a web-based application using ASP.Net, C#, SQL Server., AJAX, XML, DHTML. Teh application was used to compute teh price of Confidential ’s defense aircrafts and Satellites.
• Developed applications with 3-tier architecture in C#, ASP.Net 2.0, SQL Server 2005.
• Developed pre-formatted report rendering module using VSTO add-ins.
• Created numerous stored procedures, UDF, Triggers, MDX queries to implement complex requirements.
• Optimized & performance tuned SQL queries, execution plan, clustered and Non-Clustered Indexes, normalization. Worked with OPENXML function, Pivot functions, Dynamic Cube creation using AMO that defines Dimensions & Cube Structures/Measures based on UI inputs.

Team Lead & Senior Developer

Confidential, Seattle

Responsibilities:

• Lead and directed teh work of team to implement various Billing data-related tasks.
• Developed web based application which generated Telecom billing information in Electronic format for large Business and Government customers
• Used style sheets, XSL, CSS, master pages for consistent look and feel across applications
• Used profiles, skins and themes to provide customized user experience.
• Database Performance monitoring, Optimization and performance tuning.
• Created Multi-Dimensional Cubes using SQL Server Analysis Services (SSAS).
• Analyzed Business requirements, prepared estimation, negotiated change requests and scheduled implementation, Risk Analysis.
• Redesigned teh Billmate application data model to handle multiple region Telecom Billing data resulting in greater efficiency, versatility.
• Involved in Business requirement analysis, System Design and enhancements of existing features.
• Implemented various application enhancement requests to cope up with teh competitive market including a very successful scheme called “Mass Market Bundling”

Developer -

Confidential

Responsibilities:

• Involved in Analysis of Business requirements, Design and development of teh application.
• Enhanced application that generates monthly Bill for 14 million residential customers based on their usage.
• Built, updated and maintained all database objects including Tables, referential integrity, indexes, stored procedures, functions, views, Triggers, etc. with performance and scalability.
• Designed DTS packages to extract, transform and load data between servers and from archived data files from different DBMS to SQL Server 2000 database
• Streamlined new telecom carriers’ set-up process.
• Preparation of High & Low level design of requirements implementation.
• Worked with external customers in establishing new service providers.