Derek Jensen
  • United States
Member Since: 2006/05/12
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Professional Background
Web Application Developer
Michigan Credit Union League
July 2011 – July 2013
Developer of child company HRN's online software application Performance Pro 3, written in PHP, JavaScript and MySQL.

Enhanced and streamlined Performance Pro 3 and was personally responsible for over 100 JavaScript and PHP bugfixes and numerous CSS & UI improvements.
Aided in architecting and rewriting some of Performance Pro's major functional sections, including the Language & Spellcheck engine, Employee Selector and the entire Appraisal process from beginning to end. The latter involved extensive rewrites of the JavaScript code involving XML data handling in the application.

Created an FAQ module for MCUL's internal and proprietary CMS software in use by their clients. The module was purposed for quick and easy management of clients' frequently asked questions that they wished to have displayed on their CMS-driven website.
PHP/Web Developer; MySQL Engineer
AMC Links
June 2010 – June 2011
Created the company's PTO tracking/request system from the ground up, as well as the online timecard Time Tracker system.

Improved existing and created many new reports, including the HOC company report, reducing load time from over 4 minutes to under 30 seconds, on average, by reducing the number of SQL queries the report was executing from nearly 52,000 to less than 100, on average. Yes, you read that right: Nearly Fifty-Two Thousand SQL queries, in a single report.

Drastically improved the overall speed of the entire website by introducing indexing to the database tables.

Took on the role of Acting Sr. MySQL engineer and consultant for the IT department. Drastically improved the speed of all existing reports by optimizing the SQL queries and the overall flow of the reports' execution.

Improved all searches on amclinks.com, as well as increased security measures and protocols where appropriate. Improved data validation, as well as created a random security code generator for inactive members.

Created the code necessary to rectify the counties (free text) field in the members table, which effectively parses (using regular expressions) and correctly inserts 99.999% of the counties listed by nearly 6,000 members into a lookup table with correct county name spellings and the associated states in which they reside. This was, hands down, The single greatest and most impressive piece of code I have ever written, in any language.

Added many small database and table improvements, along with edit pages for said improvements.
ASP.NET Web Developer
American Express
August 2009 – August 2010
Co-renovated Global Pre-Paid's daily HOC Report to be nearly 100% automated in its data collection, requiring less upkeep, and also updated it to Excel 2007's new look and feel. After this renovation, the company decided to run this report throughout the year, instead of just through the Holiday season, which they had not been able to do in previous years.

Developed, maintained and corrected internal Support web pages for Amex, including the following:
Developed an advanced Search Tool that handled multiple search terms, in addition to auto-populating drop-downs for certain search criteria selected.
Developed a "Save Sort Order" Tool that stored and retrieved the sort order to use in the SQL query when populating an ASP.NET Grid table with the search results.
Developed multiple custom pages for different departments in Global Pre-Paid, including a page to find and display the card transaction history for non-migrated cards.
Updated the F.L.O.S. Knowledgebase search to load metatags from a single text file, allowing much easier and faster additions and changes to optimize the search results.
Developed an AutoIT Tool that automated adding any number of users to over 30 different UltraPoS website databases.
Provided technical support for CSR Employees' systems as well as supported UltraPoS, the PoS Software used by malls across the country for selling Amex Gift Cards.

Skills Learned/Used: ASP.NET, VB.NET, VBScript, AutoIT, MS SQL, JavaScript, HTML, CSS
Web Developer / IT Specialist
ZAGG, Inc.
August 2008 – August 2009
Developed a Universal Search page for product orders to provide faster search results, and automatically redirect to the appropriate page when only one result is found.
Overhauled the Customer Profile page on ZAGG.com to include a Password Strength Gauge and Address Book, as well as send an email alert to the customer when any changes to the account occur.
Created the Refunds Processing page and updated the Problem Ticket Entry page as well as numerous other pages, to be faster and easier to use for the Support Department, ultimately saving the dept. over 200 man-hours per month.
Developed an automated Refund page and Cancel Fraudulent Orders page for the Customer Service Department, saving hundreds of man-hours overall per month.
Renovated the CSR Statistics Report Generator page to process current reports faster and make adding new reports easier.
Redesigned the CSR Problem Input page to be faster, more user-friendly and allow for better handling of high call volumes by the Customer Service Dept.
Software Support Technician
Spillman Technologies
January 2007 – January 2008
Technical Support Rep
Alorica
August 2004 – August 2007
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Education
ITT-Tech
Bachelor's
Digital Entertainment & Game Design
2004 – 2008
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Full Biography

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Languages
French
Elementary Proficiency

Level Progress

Current: Level 9
Derek needs 18,311 points to level up.
LVL 10
  • Overall
    9
  • Regular Expressions
    4
  • JavaScript
    4
  • PHP
    4
  • HTML
    3
  • jQuery
    3
  • MySQL Server
    2
  • Web Languages and Standards
    2
  • Web Development
    2
  • ASP.NET
    2
  • Scripting Languages
    2
  • C#
    2
  • CSS
    2
  • Apache Web Server
    2
  • .NET Programming
    1
  • Programming
    1
  • Adobe Flash
    1
  • AJAX
    1
  • Query Syntax
    1
  • Visual Basic.NET
    1
  • Web Browsers
    1
  • XML
    1
  • Responsive Web
    1
  • Web Servers
    1
  • Adobe Dreamweaver
    1
  • Algorithms
    1
  • JScript
    1
  • AntiSpam
    1
  • Apache Flex
    1
  • Email Clients
    1
  • Email Servers
    1
  • Google Apps
    1
  • Java EE
    1
  • Mac OS X
    1
  • Software Firewalls
    1
  • Web Components
    1
  • WordPress
    1

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