David Mejia David Mejia

David M

  • 23 years old
  • Frisco, TX
  • Computer Network Systems AAS at NCTC

About me

I’m David, I enjoy learning about technology, building things, and figuring out how stuff works. Whether it’s programming, working on electronics, or experimenting with new tech, I love solving problems and making ideas come to life.

Outside of tech, I spend time working on cars, listening to music, and working on projects. I try to keep a balance between staying productive and just enjoying life as it comes.

I’m always open to learning new things and connecting with like-minded people, so feel free to reach out!

Certifications

  • Technical Support Fundamentals - Google (2026-03-01)
  • CompTIA Security+ - CompTIA (2025-08-14) View
  • CCNA: Switching, Routing, and Wireless Essentials - Cisco (2023-12-16) View
  • CCNA: Introduction to Networks - Cisco (2023-10-21) View
  • CompTIA Linux Pro - NCTC Class (2023-06-10)
  • CompTIA Network Pro - NCTC Class (2023-01-15)

Technical Skills

Cybersecurity & Networking

  • Cisco Routing & Switching (VLAN & VOIP)
  • Networking & TCP/IP
  • Desktop Virtualization
  • Cryptography

Development & Tools

  • ESP32, PlatformIO
  • Linux, Docker, Windows, MacOS
  • MS Office Suite (Word, Excel, PowerPoint, Outlook)
  • Node.js, MongoDB & MySQL
  • n8n Workflow Automation
  • API Integration & Development
  • Webhook Configuration

Systems & Hardware

  • Hardware Configuration (Desktop/Server)
  • Point of Sale (POS) Systems
  • System Administration
  • 3D Modeling/Printing

Work Experience

Aug 2025 – Present

Southern Botanical

Automation & Systems Specialist
  • Designed and deployed 7 automation systems across Finance and Operations using n8n, Power Automate, and APIs, eliminating manual workflows and improving data accuracy
  • Built an invoice processing and reconciliation pipeline integrating SharePoint, Aspire, and Acumatica with automated validation and routing
  • Developed AR reconciliation automation converting lockbox PDFs into structured data, cross-referencing invoices via API, and generating Excel reports
  • Engineered automated reporting systems (P&L, driver safety, payment fees) to aggregate and distribute business-critical data
  • Built and maintained a self-hosted n8n automation platform on Ubuntu VPS with centralized monitoring and error handling.
May 2026 – Present

Kodiak

Autonomous Fleet Specialist
  • Support the operation and reliability of autonomous trucking systems
  • Monitor fleet performance, troubleshoot complex hardware and software issues, and provide insights to improve system stability
  • Work within Linux environments using command-line tools while managing operational data and documentation
  • Assist with SOP development to improve efficiency and consistency across fleet operations.
June 2022 – April 2026

Nebraska Furniture Mart

Salesperson
  • Generated over $2.5 million in annual sales, consistently ranking in the top 10% of the department
  • Developed an Excel-based automation tool (VBA) to track and manage sales team operations ("early outs"), now adopted by management across the department
  • Designed and implemented a data-driven customer outreach system, increasing protection plan revenue by 120%+ per salesperson and improving team performance
  • Created internal tools and workflows to streamline sales processes, improving efficiency and enabling scalable team adoption.
Oct 2024 – Sept 2025

GP Clothing, LLC

Lead Backend Developer
  • Engineered a secure NFC validation system processing 10,000+ monthly scans
  • Developed a scalable Node.js/Express backend with MongoDB integration and real-time sync
  • Implemented multi-factor authentication and comprehensive security measures.
May 2020 – April 2022

Genti's Ristorante Italiano

Technical Support Specialist
  • Implemented and configured the restaurant's POS system, installed EMV payment devices, and optimized the online ordering system to improve customer experience and increase sales.