David Michael Flahive

Senior Software Engineer & Web Developer

Seasoned web developer and software engineer with over two decades of experience crafting high-impact solutions using technologies like .NET, C#, Angular, and AWS.

About Me

I'm a passionate software engineer with over 20 years of experience delivering scalable, high-impact solutions. From processing millions of transactions to rebuilding entire platforms, I thrive on solving complex technical challenges.

As the previous owner of RegistrationMax LLC since 2006, I've designed dynamic database structures, custom report builders, and bulk-email systems handling 2 million monthly sends.

I leverage cutting-edge tools like Stripe, Twilio, and AWS to drive innovation while maintaining fully redundant architectures and DevOps best practices.

Key Highlights

20+ years of software development experience
Scaled systems to handle millions of users
Expert in .NET, C#, Angular, and AWS
DevOps and infrastructure expertise
Bilingual (English/Spanish)

Professional Experience

Senior Software Engineer

RegistrationMax/LumaVerse

Charlotte, NC • November 2006 - Present

Current

Frequently Used Technologies

.NET, C#, VB.NET, T-SQL, Angular
Git, Nginx, IIS, Windows Server, Linux
MS SQL Server, MS SQL Availability Groups
AWS: EC2, ECS, ELB, WAF, EFS, S3, ElasticCache

Key Accomplishments

  • • Rebuilt Tickets.SignUpGenius.com in 4 months
  • • 4HOnline.com: 5M+ memberships, $22M+ in online transactions
  • • FairEntry.com: 13,000+ fairs, $8M+ in online transactions
  • • Bulk-email system: 2M+ monthly sends
  • • AWS migration with fully redundant architecture

Previous Experience

Programmer

Texas A&M AgriLife Extension

College Station, TX • August 2009 - December 2012

Provided technical expertise and deployed new technologies including ASP.NET, C#, SQL Server, and GIS platforms.

Web Developer

ParishSOFT LLC

Ann Arbor, MI • January 2008 - July 2009, December 2009

Designed web-based data management systems and hierarchical permission structures for masstimes.org.

Programmer

Texas A&M AgriLife Extension

College Station, TX • February 2001 - December 2007

Coordinated database modernization projects and migrated legacy systems to modern LAMP-based solutions.

Featured Projects

4HOnline.com

Complete 4-H membership enrollment and event registration solution

• 5M+ memberships processed
• $22M+ in online transactions
• .NET Core + Angular architecture

Tickets.SignUpGenius.com

Event ticketing platform for 300M+ user base

• Rebuilt in 4 months
• .NET stack migration
• Production-ready solution

FairEntry.com

Comprehensive fair management and entry system

• 13,000+ fairs managed
• 13M+ entries processed
• $8M+ in transactions

LearnGrow.io

Online training management for YQCA

• .NET MVC architecture
• Training management system
• Youth animal care education

OnlineStable.com

Animal records management for AQHA

• .NET MVC platform
• Quarter horse association
• Comprehensive record keeping

AWS Migration

Full infrastructure migration to cloud

• Multi-availability zone
• Fully redundant architecture
• Disaster recovery planning

Technical Skills

Languages & Frameworks

.NET / .NET Core
C# / VB.NET
Angular
T-SQL
PHP
JavaScript

Cloud & DevOps

AWS (EC2, ECS, S3)
Git / Subversion
Nginx / IIS
Windows Server
Linux / ESXi
Hyper-V

Databases

MS SQL Server
Availability Groups
MySQL
PostgreSQL
Oracle
SQL Server CE

Third-Party Services

Stripe
Twilio
SendGrid
DevExpress
SmartyStreets
Devart LinqConnect

Get In Touch

Contact Information

Location

Dripping Springs, TX 78620

Languages

English (Native), Spanish (Fluent)

Education

Texas A&M University

College Station, TX

1998-2003 • 118 credit hours earned

Mechanical Engineering Technology / Computer Science

Professional References

Professional and personal references are available upon request.