Data Science Engineer | Cartago, Costa Rica
A fluent English speaker, Esteban has extensive experience in both the finance and technology fields. He has six years of experience as a Data Scientist and is proficient at creating databases, data mining, creating dashboards, and using machine learning tools. He considers himself very friendly and takes pride in his open communication skills. A demonstrated leader, Esteban has been known to take on training responsibilities within his team. He is innovative and strongly committed to his team.
Data Analyst and BI Developer
DXC Technology (April 2018 - August 2018)
As a data scientist at DXC, Esteban focused on the building of interactive dashboards. He mined CSV files and used data analysis to optimize and improve the company's product development, marketing techniques, and business strategies. Other responsibilities included the creation of the SQL database which he connected to Qlicksense, analyzing spring data from different repositories to present to the user, creating queries and store procedures, compiling SSIS packages, performing statistical analysis using R, and developing analytical models to define the forecast by annual, monthly, or KIP structure. In addition to his own work as a data scientist, Esteban trained remote analytic teams that continue to provide support and administration for the team.
Lonza Group (October 2017 - March 2018)
Esteban created Key Performance Indicators (KPI) on an automated dashboard and worked on a machine learning system during his time at Lonza Group. He created automation of KPI's for the company's business teams, mining the database and enhancing data collection procedures to include information that is relevant for building analytic systems. He engineered machine learning models with Python and created trees (Python Library), forest, K neighbors, and algorithms for vectorial machine and machine learning. This included the selection of features, the creation of internal procedures for testing the dashboards, and optimizing classifiers using machine learning techniques. Esteban restored and evaluated statistical models and set them for distribution system operators (DSO), Jambu Testing, Error Testing, and CRISP-DM Methodology.
Data Analyst and BI Engineer
Syniverse Technology (October 2015 - September 2017)
Esteban's responsibilities with Syniverse Technology included the creation of dashboards for both sales and roaming teams. He connected SQL databases to create data visualization for the teams in charge of contracts, sales, and roaming functions.Created dashboards for sales and roaming teams. Additionally, Esteban provided training for the BI team. Testing dashboards was completed using R, Python, Power BI, Excel, Tableau, and QS.
New Line Consultant (June 2013 - August 2015)
Applying his knowledge of HTML and Java, Esteban created testing cases and testing cycles.
Promidat Academy, IberoAmerica
Expert in Statistical Modeling (2018-2019)
Master's in Data Science (2016 - 2018)
Universidad Autónoma de Centro América
Bachelor's in Business Administration and Management(2006 - 2011)
ANSYS, AWS, Adobe Illustrator, Adobe Photoshop, Adobe XD, Agile, Android SDK, Angular 2/5/6, AngularJS, Apache Tomcat, Apache http server, Automotive, Azure, Banking, Blockchain, Bootstrap, C#, C/C++, Caret, Certified Scrum Master, Clean Code, Cordova, Deep Learning, Design Of Experiments, Django, E-Commerce, Eclipse, Facebook API, ggplot2, GPS Tracking, Git, Google Maps API, Google Services API, HTML5/ CSS3, Heroku, In-sight Explorer, Internet of Things, JSON, Java, Jira, Linux, Mac OS X, Matlab, Matplotlib, Minitab, MongoDB, MySQL, NetBeans, node.js, NSYS, Numpy, OpenCV, Oracle, PHP, Pandas, Paypal API, PostgreSQL, Proxy, Python, R, RandomForest, SEA, SEO, SQL, SQLite, Scrum, Seaborn, Selenium IDE, Selenium WebDriver, Software Factory, Solidworks, Twitter API, VisualStudio, Webpack, Windows PowerShell, Windows, WordPress, XLconnect, XML, XMPP