Jonathan Arriaga work email
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Jonathan Arriaga personal email
A computer scientist with practical experience building predictive models from large datasets using statistical and machine learning methods. Able to quickly learn and apply new technologies, turn ideas into software solutions, and build solid business relationships.
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Vice President Data ScienceMsci Inc. Oct 2018 - PresentNew York, Ny, UsDesign and develop an Anomaly Detection framework based in python to detect outliers in Equity Models and Factor Models datasets. This project included the definition of all steps in the workflow, from data engineering to reporting, including an interface to tune settings and visualize outputs in each stage. Machine learning models were used in an ensemble and different approaches were combined to find the most anomalous observations while reducing the number of false positives. -
Postdoctoral ResearcherStanford University Sep 2017 - Aug 2018Stanford, Ca, UsDeveloped text classification models for different types of events based in police reports. This project included:- Creating a web interface to manually set labels and extract important information based in event summaries.- Manipulate data to obtain meaningful temporal, spatial and text-based features.- Tune model parameters using cross-validation.Developed a prototype of an application to monitor security topics in México based on tweets and news articles. -
Analytics Model EngineerMsci Inc. Aug 2016 - Aug 2017New York, Ny, Us- Developed a prototype to automate narrative generation for monthly reports with Python and Yseop. Features were extracted from model data and used to construct sentences that described changes in global economic conditions. - Enhanced and implemented quality assurance functions that detect issues in input data as well as abnormal behavior while calculating model outputs.- Followed the software development life cycle to develop, test, and introduce changes to the code base. -
Data ScientistGe Aviation Jun 2014 - Jul 2016Cincinnati, Oh, UsDesign and implementation of an analytic development framework in R and Python, which included functionality for:- Consuming data from a centralized database using query templates.- Data cleansing, outlier removal, imputing missing values, and normalization, and data visualization.- Feature extraction on time-series.- Feature selection using statistical tests and machine learning methods, such as ANOVA, Kolmogorov-Smirnov, Linear, Logistic Regression and Linear Support Vector Classifier (LSVC) with regularization, Random Forests, and others.- Model tuning and verification using cross-validation.Other activities included:- Optimization of model parameters using numerical and search methods.- Anomaly detection of parameter co-variances using mixture models.- Setup of a Hadoop cluster, implementation of map-reduce jobs, and loading and processing data on Hive and Cassandra databases. -
Web DeveloperSid Consultoría Y Desarrollo Sep 2012 - Oct 2013- Developing front-end and back-end for applications in Microsoft.- Database administration, migration, and backup.- Design of queries and stored procedures to generate reports in MS SQL Server.Major customers were international companies such as CEMEX and PEPSICO.
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Web DeveloperFreelance Jan 2011 - May 2012Developing web pages using Drupal framework:- Online stores- Catalogs- Theme customization using CSS- Photo and video galleries- Google analytics campaigns
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Advanced Control Systems EngineerPraxair Jan 2007 - Aug 2008Danbury, Ct, Us- SCADA system administration. - Process simulation on PLC. - Database administration, backup, and analysis.- Modification of PLC ladder diagrams and technical support. - Design and modification of graphical user interface for plant operators. - Remote support for plants.- On-site technical support on plant maintenance operations.
Jonathan Arriaga Skills
Jonathan Arriaga Education Details
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Tecnológico De MonterreyInformation Technology And Communications -
Tecnológico De MonterreyIntelligent Systems -
Tecnológico De MonterreyMechatronics
Frequently Asked Questions about Jonathan Arriaga
What company does Jonathan Arriaga work for?
Jonathan Arriaga works for Msci Inc.
What is Jonathan Arriaga's role at the current company?
Jonathan Arriaga's current role is Data Scientist.
What is Jonathan Arriaga's email address?
Jonathan Arriaga's email address is jo****@****sci.com
What schools did Jonathan Arriaga attend?
Jonathan Arriaga attended Tecnológico De Monterrey, Tecnológico De Monterrey, Tecnológico De Monterrey.
What are some of Jonathan Arriaga's interests?
Jonathan Arriaga has interest in Investment Funds, Web Design, Robotics, E Commerce, Application Development, Research And Development, Investments, Marketing, Children, Economic Empowerment.
What skills is Jonathan Arriaga known for?
Jonathan Arriaga has skills like Matlab, Algorithms, Robotics, Python, Genetic Algorithms, Evolutionary Algorithms, C++, Latex, Computer Vision, Data Mining, Programming, Software Development.
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