Author Archives: rtoepfer

Commodity Inspections Application

I’ve been working on an application for inspecting Mississippi River cargo ships that hold agricultural commodities. I developed the app in Python on Google App Engine using the Django framework and used Bootstrap as the front-end framework. The project has been managed via a Kanboard on Zydeco’s website and all development costs have totaled less than $5,000.

Here are a few screenshots:

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Oil and Gas Web Application

The last freelance project I worked on was for an oil and gas environmental consultant. The application computes greenhouse gas emissions at oil and gas wells. My client has used the application to manage submittals for over 20,000 oil and gas wells over the course of 5 years, and continues to use the application.

I designed the application with one of the leading MVC PHP frameworks, and used a combination of jquery and Backbone for the front-end. The user interface of the application was patterned after a Bootstrap template I found on Here’s a few screenshots:

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