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Bill Nalen

Software Developer

I'm Bill, a software developer based in Cheyenne. I've been developing software since the early 1980's.I've developed software for companies, friends, and myself running on mainframes, mobile devices, desktops and web browsers.

I can help you create or update your web presence, from simple web pages to full blown applications.


1989 - 2023

Lead developer for several large financial web applications

C#, ASP.NET, SQL Server, JavaScript, HTML, CSS

Cardinal Health


Implemented Okta authentication in muliple web applications and helped move applications in house

PHP, Laravel, MySql, JavaScript, HTML, CSS

Cardinal Health


Created several web applications to track irregularities in pharmaceutical shipments

C#, ASP.NET, SQL Server, JavaScript, HTML, CSS



Built a cross platform mobile app to train boiler system technicians

Objective-C, Java, iOS, Android



Created a custom mobile keyboard to interface with credit card readers

Swift, Kotlin, iOS, Android