John Kellgren

John Kellgren

Senior Application & Database (Access, QuickBase, SQL) Architect

Falls Church, United States



What's the difference?

My main objective is two-fold: 1) To apply the combination of my software
application architectural skills, my database architectural skills, and my
administrative skills together with the Business Analysis experience that I
have accumulated over 25+ years. 2) To allow my business clients the breathing
room to know that they will only have to address the tasks of defining and
producing an efficient and working on-line and local user-oriented

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Work History & Feedback

Quotation Tracking Log- Reporting

“John is a great contractor, very knowledgeable and willing to help in any way.”
716 hrs @ $65.00/hr
Earned $46,602

QuickBase Time and Attendance Solution

“Job dragged on and on due to not having specific requirements. One of our managers kept changing requirements during the project. It was a disaster. John is an amazing programmer, but we needed to give him firm requirements from the beginning. It was also our mistake to not make this a fixed price job with specific requirements. It cost 3X to 4X what we thought it would, and we never did manage to get it off the ground.”
126 hrs @ $65.00/hr
Earned $8,158
Tests Taken
Name Percentile Score

English Spelling Test (U.S. Version)


U.S. English Basic Skills Test


Upwork Readiness Test for Independent Contractors and Company Managers