Services provided by Dave Feltz, Independent Software Engineer
Building affordable top-quality custom software applications for clients.
I am an expert software engineer with the skills and experience
needed to build functional, reliable, secure, maintainable web and
desktop applications. My extensive software development background
across many areas helps me to bring a wealth of experience to
I write quality code built on
principles and a clean software architecture, combined with a
focus on security and thorough testing so that the end product is
reliable, less prone to hacking, and less-costly to maintain and change.
I specialize in building software applications in the following areas:
- Workflow Automation systems
- Accounting & bookkeeping applications
- Inventory management applications
- Online portals integrated into web sites
- Custom product purchase, checkout, and payment systems
Services and data from 3rd party APIs integrated into web and
- Google APIs including Sign in with Google, My Business,
Analytics, Places, Maps, etc.
- Payment processing APIs including PayPal, Stripe, Square, etc.
- CRM APIs including Zoho, Salesforce, etc.
I support the following technologies:
- LAMP stack - PHP 7 & 8, Codeigniter 3 & 4, MySQL/MariaDB DBMS
- Client-side frameworks such as React & Angular
- Progressive web applications (PWA)
- Java SE for Windows, Linux, and Mac desktop applications.
Feel free to contact me
or request a quote if you have a project that could benefit from an experienced independent