Resume - David H. Megnin

Professional Summary

Results-driven .NET Web Developer and MS SQL Server Developer/Administrator with over 10 years of experience designing, developing, and maintaining data-driven web applications. Adept at automating processes and optimizing databases to boost operational efficiency. Recognized for innovative solutions, technical leadership, and strong troubleshooting skills across complex environments.

Core Technical Competencies

ASP.NET Web Development (C#, VB.NET) – Full-stack development of scalable web applications using .NET Framework 4.8 and legacy Web Site Projects

MS SQL Server – Database architecture, administration, optimization, and data security (2008–2022+)

T-SQL Programming – Advanced stored procedures, triggers, indexing strategies, and performance tuning

Front-End Development – HTML5, CSS3, JavaScript, AJAX, and responsive UI/UX design principles

SSRS (SQL Server Reporting Services) – Design, deployment, and maintenance of parameterized and drill-down reports

Windows Server & IIS Management – Configuration, security hardening, and maintenance of intranet/web hosting environments

Active Directory Integration – Secure authentication/authorization via LDAP and custom roles/permissions

Process Automation & Integration – Custom internal tools using PowerShell, Windows Services, and .NET libraries for inter-system communication

Version Control & Collaboration – Git, GitHub, and cross-functional team coordination

AI Chatbot Design (GPT-4o), OpenAI API Integration, Prompt Engineering

Technical Skills

Programming & Scripting: C#, VB.NET, HTML, CSS, JavaScript, T-SQL, PowerShell

Development Tools: Visual Studio, SQL Server (Administration, T-SQL, SSRS), MS Office, Adobe Photoshop

Networking & Systems: IIS (6/7.5+), Active Directory, Remote Desktop

Miscellaneous: PC Hardware/Software setup, troubleshooting, Networking fundamentals

Artificial Intelligence Projects

🌌 Where code listens, language breathes, and AI becomes a mirror for the human experience.

Conversational AI Engineering & Prompt Design:
Developed a personalized chatbot using OpenAI's GPT-4o-mini API, featuring dynamic personality emulation, context-sensitive memory, and therapeutic interaction modeling—enabling deeply humanized, emotionally responsive natural language engagement.

AI Integration & API Development:
Built a full-stack web-based AI assistant by integrating OpenAI APIs into a custom interface—seamlessly blending front-end and back-end architecture to support real-time, user-friendly conversational experiences.

Prompt Architecture & Emotional Contextualization:
Designed and refined advanced prompt sequences and dialogue frameworks to precisely shape chatbot behavior across narrative, roleplay, and psychological domains—optimizing for contextual accuracy and empathetic tone.

Professional Experience

CareerSource Broward (Formerly WorkForce One Employment Solutions)

Fort Lauderdale, FL | 2007 – Present

Systems Analyst / Programmer; MS SQL Server Database Administrator / Developer

Develop and maintain data-driven web and Windows applications using ASP.NET (C# and VB.NET), ADO.NET, and SQL Server.
Manage full database lifecycle, including schema design, query optimization, and SQL Server administration.
Create T-SQL solutions to streamline data transformation and secure Electronic Data Interchange (EDI) with remote databases.
Key Achievements:
- Independently developed a comprehensive timesheet application in three months after an external vendor failed to deliver, saving the company over $100,000.
- Implemented an online Job Order, Application, and Matching System, reducing manual processes and improving candidate-job matching accuracy.
- Deployed Windows utilities for remotely monitoring usage time across 100+ PCs in multiple resource centers.
- Installed and maintained a corporate intranet integrating social networking and document management features.

State of Florida / Agency For Workforce Innovation

Lauderhill, FL | 2004 – 2007

Distributed Network System Analyst

Maintained the Corporate Intranet and assisted with database development, including data imports for Sage MIP Payroll.
Created and deployed standardized machine images (Symantec Ghost) across 400+ computers for consistent configurations.
Reduced average open trouble tickets by 40% through process improvements and faster response times.

Nortel Networks

Santa Clara, CA

Order Engineering System Specialist / Fast Flow Metrics Reporting (2001 – 2003)

Resolved 300+ monthly system configuration and order issues by correcting software discrepancies.
Improved the “clean order” rate to 99.7%, exceeding the 95% target.
Automated pivot table reports with VBA, increasing reporting efficiency by 75%.

Global Customer Care Services / New Product Introduction Engineer (1999 – 2001)

Managed Field Trials (Beta Testing) for Optivity Telephony Manager (OTM) releases.
Coordinated beta feedback, reported software bugs, and trained field technicians to ensure product readiness.
Received a $1000 "Pride Award" for outstanding support of Beta Trials.

U.S. Navy

Everett, WA & San Diego, CA | 1979 – 1999

Information Systems Security Manager / System Administrator (1995 – 1999)

Developed security documentation and risk analysis for the ship's LAN.
Upgraded the LAN from NetWare 3.12 to Windows NT 4.0, serving 200+ users.
Awarded the Navy and Marine Corps Achievement Medal twice for exceptional network uptime and security management.

Sonar Technician / Sonar Supervisor / Leading Petty Officer (1979 – 1995)

Led and trained a team of 24 sonar technicians, achieving 99.9% uptime on critical anti-submarine systems.
Maintained a Secret Security Clearance throughout service.

Education & Certifications

Microsoft Training & Certifications

ASP.NET Programming (Visual Basic), Advanced ASP.NET, JavaScript Programming, XML Programming
MCSE (Windows 2000/NT 4.0 Server, Workstation, and Enterprise Technologies)
Microsoft Certified Product Specialist: Windows NT 4.0 Server & Workstation

Nortel Networks Training & Certifications

Telecommunications Fundamentals, Principles of Digital Telephony, Telephone Network Test
Meridian 1 PBX Basic Database Administration

U.S. Navy Schools

Advanced Sonar System Maintenance, Anti-Submarine Rocket Fire Control, LOFAR Analysis, Synchro/Servo Theory

Additional Information

Certifications: 11 Scuba Diving certifications, including Rescue Diver, Divemaster, and Master Scuba Diver.

Interests: Artificial Intelligence, prompt engineering, chatbot personality design, mechanical keyboard collecting, scuba diving, caring for a mischievously brilliant Miniature Pinscher, camping, swimming, throwing darts, and flint knapping.
"Ranging from the Cutting Edge of Modern Technology to the Ancient Technology of Cutting Edges."