Quantitative Analytics, Sr. Resume McLean, VA - Hire IT People

SUMMARY

Data scientist with extensive experience in application of statistical and machine learning methods to data analysis, predictive modeling, and natural language processing

TECHNICAL SKILLS

Statistical languages: R/S - PLUS, Matlab/Octave, SAS, SPSS Clementine/Text Miner

Programming languages/tools: Perl, Python, C/C++, Hadoop, Spark, Pig, bash/ksh

Operating systems: Ubuntu/Linux, FreeBSD, Solaris, Windows 9/10

Database systems: MySQL, Microsoft SQL Server, Oracle PL/SQL

Mathematical/statistical techniques: Hidden Markov models, k-means cluster analysis, time series analysis, neural networks, naïve Bayes classifiers, text mining, OLS/logistic regression, linear programming, simulated annealing, constraint satisfaction

PROFESSIONAL EXPERIENCE

Confidential, McLean, VA

Quantitative Analytics, Sr.

Responsibilities:

Cluster analysis and segmentation of single-family mortgage data
Estimation of mortgage default risk (R, Python, Spark)

Confidential, Bethesda, MD

Data Scientist

Responsibilities:

Data wrangling of medical encounter data for brain injury patients at Veterans Administration medical facilities (R, Python)
Construction of time-dependent Hidden Markov Model to identify cofactors in development of post-traumatic stress disorder from concussions

Confidential

Data Scientist

Responsibilities:

Analysis of reach data from cable TV subscribers for audience forecasting (Perl/MySQL)
Extension of Gurobi integer programming solver for optimization of television advertising placement

Confidential

Senior Scientist

Responsibilities:

Analysis of e-commerce Web site metrics for optimization algorithms (Matlab/R/Perl/MS SQL Server)
Implementation of affinity analysis for retail transaction log data
Implementation of Web scraper for competitive price tracking

Confidential, San Francisco, CA

Data Scientist

Responsibilities:

Statistical prediction of stock market price movements from sentiment analysis of relevant Twitter messages
Sentiment analysis NLP algorithm with SVM classifier for social media text
Trend detection algorithm for Twitter stream topics
Statistical NLP algorithm for topic extraction
Simulated annealing optimization of parameters of search result ranking function
Time window selection algorithm for search result presentation
Eigenvector centrality algorithm for Twitter and Google+ user influence ranking (implemented in Amazon Web Services Elastic MapReduce)
Scheduling algorithm for Google+ profile site crawler

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Quantitative Analytics, Sr. Resume

Mclean, VA

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