David Rojas, E.I.

David Rojas, E.I. Email and Phone Number

17+ years in Tech | Follow me for posts on Data Wrangling @ S-Nimbus
mclean, virginia, united states
David Rojas, E.I.'s Location
Raleigh, North Carolina, United States, United States
David Rojas, E.I.'s Contact Details

David Rojas, E.I. work email

David Rojas, E.I. personal email

About David Rojas, E.I.

Helping people around the world learn Pandas!Follow me for free data wrangling tutorials.🔥 Free Pandas Course: https://hedaro.gumroad.com/l/tqqfq

David Rojas, E.I.'s Current Company Details
S-Nimbus

S-Nimbus

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17+ years in Tech | Follow me for posts on Data Wrangling
mclean, virginia, united states
Website:
snimbus.com
Employees:
9
David Rojas, E.I. Work Experience Details
  • S-Nimbus
    Senior Data Steward
    S-Nimbus Aug 2022 - Present
    Remote
  • General Dynamics Information Technology
    Senior Data Analyst
    General Dynamics Information Technology Sep 2018 - Jul 2022
    Ca
  • General Dynamics Information Technology
    Team Lead
    General Dynamics Information Technology Sep 2017 - Sep 2018
    Ca
  • General Dynamics Information Technology
    Senior Data Analyst
    General Dynamics Information Technology Oct 2016 - Sep 2017
  • General Dynamics Information Technology
    Data Analyst
    General Dynamics Information Technology Nov 2015 - Oct 2016
    Ca
  • Sra International
    Data Analyst
    Sra International Mar 2015 - Nov 2015
    Seaside, Ca
  • Data Analyst, Ssrs, Sql, Excel, Report Writer
    Data Scientist
    Data Analyst, Ssrs, Sql, Excel, Report Writer Jul 2013 - Mar 2015
    San Jose,Ca
    Title: Data Scientist► Owner of LLC that provides analytical consulting services ► Created a web based billing system from the ground up ► Created the company websiteProfessional Work Completed for Clients:► Created a Python reporting web application► Developed web based interactive dashboards► Investigated data issues with reports and as a result uncovered issues with the back end system, which led to an improvement to the system.► Liaison with both business and technical users.► Audited reports to verify accuracy and report execution success rate.► Implemented new functionality to existing reports and led the efforts in strategically testing the reports to verify their accuracy.
  • Infinite Energy | Data Analyst | Ssrs | Sql | Excel | Report Writer
    Business Intelligence Developer
    Infinite Energy | Data Analyst | Ssrs | Sql | Excel | Report Writer May 2009 - Jul 2013
    Title: Business Intelligence DeveloperProblems I solved:► Automated the daily auditing of the companies set of Financial core reports.► Created a set of reports that monitor the entire reporting landscape. This allowed the team to instantly put out fires before the end user is even aware of the problem.► Overhauled and optimized unclear and unstructured SQL code.► Created a system to track table and/or column changes that have occurred in the system. This allowed the team to quickly determine if any changes were needed on the reporting end.► Developed a set of metrics that monitored the performance of the reporting catalog.ORACLE Data Interface:► Main developer in the Suntrust and Wells Fargo bank migration.► Main developer in the payments system overhaul to the SSIS package.► Main developer in adding new functionality to the project after the new company merger.Initiatives:► Introduced the department to the python ecosystem (Python, Pandas, and Ipython). An open source tool that will allow us to perform from simple to complex data analysis. Because of my efforts, the Business Intelligence department has gained the freedom to use python as they see fit.► Introduced "Paperboy", a mini newsletter created in (html, python, javascript) that tells stories using data.► Successfully ported a local version of nbviewer to help meet the data needs of the company. Nbviewer will be the the main medium in which data analysis will be shared among power and business users.Notable changes:* Notebooks are housed and pulled from the company's private repository (SVN)* Added a link which shows the user the entire catalog of analysis* Provided links to data analysis lessons (pandas)Languages/Software: Excel, SQL 2005, SQL 2012, Visual Studio 2005, Visual Studio 2010, SSRS 2005, SSRS 2012, SVN (version control), Python
  • Sterling Educational Media | Data Analyst | Ssrs | Sql | Excel | Report Writer
    Data Analyst
    Sterling Educational Media | Data Analyst | Ssrs | Sql | Excel | Report Writer Nov 2006 - May 2009
    Title: Data AnalystProblems I solved:► Increased the efficiency of the ordering process by automating repetitive tasks, eliminating unnecessary steps, creating an alternate ordering process, updating old data, combining queries, and improving profit reports using my skills in Microsoft Excel, ACCESS and Visual Basic which, led to a 30% increase in efficiency.► Reduced the manual process of checking incoming shipments by building a process using Microsoft ACCESS that automatically reduced tasks by 50%.► Improved the company’s sales report which is used to track orders, cash flow, inventory level projections, estimating profitability by adding various pivot tables/charts and smart formulas that update automatically as new data is available.► Created and updated my department's procedural manuals which are currently being used for training of new team members.Research:► Classifying Titles that Hold Value over Time► Customer Trends and Correlations► Data Driven Model to Aid Purchasing Decisions► Process ImprovementLanguages/Software: Excel, VBA, Access
  • Dployit, Inc
    Evaluator
    Dployit, Inc Oct 2006 - Nov 2006
    Evaluated ISTEP writing section (Indiana’s Graduation Qualifying Exam) * Graded state required student tests
  • Buckeye International, Inc
    Health Care Specialist
    Buckeye International, Inc Feb 2006 - Aug 2006
    Business-to-Business Sales in the Health Care and Educational market * Assisted with demonstrations

David Rojas, E.I. Skills

Sql Data Analysis Microsoft Sql Server Html Web Development Python Javascript Microsoft Excel Pandas Jupyter Notebook Pl/sql Bootstrap Sql*plus Spanish English Tensorflow T Sql Oracle Sql Developer Visual Studio Business Intelligence Analysis

David Rojas, E.I. Education Details

Frequently Asked Questions about David Rojas, E.I.

What company does David Rojas, E.I. work for?

David Rojas, E.I. works for S-Nimbus

What is David Rojas, E.I.'s role at the current company?

David Rojas, E.I.'s current role is 17+ years in Tech | Follow me for posts on Data Wrangling.

What is David Rojas, E.I.'s email address?

David Rojas, E.I.'s email address is pi****@****ail.com

What schools did David Rojas, E.I. attend?

David Rojas, E.I. attended University Of Florida.

What are some of David Rojas, E.I.'s interests?

David Rojas, E.I. has interest in Business To Business Sales, Performance Tune Applications, Relational Database, Strong Excel Skills, Retrieve And Analyze Data, Evaluating Data Quality, Analyze User Requirements, Exceptional Customer Service, Develop Stored Procedures, Reviews Report Specifications.

What skills is David Rojas, E.I. known for?

David Rojas, E.I. has skills like Sql, Data Analysis, Microsoft Sql Server, Html, Web Development, Python, Javascript, Microsoft Excel, Pandas, Jupyter Notebook, Pl/sql, Bootstrap.

Who are David Rojas, E.I.'s colleagues?

David Rojas, E.I.'s colleagues are Shetal Yanez, Brian Patrick, Leandro Deocampo Iii, Michael Bauer, Resha Jadeja, Mahwish Husain, Chelsea Allen.

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