WELCOME TO MY PORTFOLIO

IT Specialist &
AI Developer

Crafting seamless digital experiences through custom enterprise solutions, VB.NET desktop tools, AI integrations, and robust clean code. Let's build something exceptional together.

137 Quezon Street, Brgy. Mat-y, Miagao, Iloilo, Philippines, 5023
art@dartsms.online
+63 921 404 0889
dartagnantajonera@gmail.com
Explore Projects
D'Artagnan N. Tajonera Jr.

About Me

An accomplished IT Specialist, Systems Developer, and AI Enthusiast with over 18 years of hands-on experience driving digital transformation across institutional, corporate, and cooperative environments. Proven expertise in custom full-stack web and desktop software engineering—specializing in PHP, VB.NET Windows Forms applications (such as custom SMS gateways and enterprise tools), and cloud-connected mobile architectures like AppSheet. Adept at seamlessly integrating practical technologies, from AI-driven workflows and automated messaging gateways to robust database administration and network infrastructure. Thrives in fast-paced environments where technical innovation, operational organization, and user-centric problem-solving intersect to deliver high-performance, reliable enterprise solutions.

Deployed Projects & Client Software

SMS Sender for Windows
Desktop Software (VB.NET) Desktop App
SMS Sender for Windows

Custom Windows desktop application built with VB.NET for managing bulk text broadcasts, SMS scheduling, and contact dispatching directly from desktop environments.

Production Ready
Cooperative CISA System
Enterprise Management Live System
Cooperative CISA System

Comprehensive Cooperative Information System with member portal, transaction tracking, and records management.

Bulk SMS Gateway SaaS Platform
Messaging & Automation Live System
Bulk SMS Gateway SaaS Platform

SaaS system allowing bulk SMS broadcasting via mobile hardware gateway, scheduling, contact staging, and REST API dispatching.

GBAcademy School Portal System
Academic & Administration Live System
GBAcademy School Portal System

Academic management system with attendance logging, billing, automated payment recording, and automated SMS notifications.

AppSheet Collection & Monitoring App
Mobile Workflow Mobile App
AppSheet Collection & Monitoring App

Mobile solution for field Account Officers to track loan collections, repayments, and live member status in real time.

Production Ready
AppSheet Voting & Registration App
Digital Elections Mobile App
AppSheet Voting & Registration App

Paperless voter registration and real-time electronic vote counting system deployed for cooperative assemblies.

Production Ready
Hospital Queueing Management System
Healthcare Operations Deployed
Hospital Queueing Management System

Digital counter ticket dispatching and TV display queueing workflow to streamline patient flow.

Production Ready
Office Queueing Management System
Office Operations Deployed
Office Queueing Management System

Digital counter ticket dispatching and TV display queueing workflow to streamline office flow.

Production Ready
Patient Provisionary Room SOA App
Healthcare Billing Deployed
Patient Provisionary Room SOA App

Real-time room charge monitoring and provisionary statement of account (SOA) billing generator for hospitalized patients.

Production Ready

Upcoming Projects in Pipeline

Online Student & Client Registration Portal
Enhanced School System with Public Landing Page, Student Login, Teacher Login, Advisory, Sections, Grades, and Class Scheduling
Enterprise Modules: HRIS & Payroll, Accounting, Inventory Management, and Executive Analytics Dashboard
Digital Payment Gateway Integration (PayPal & QR Code Payments)

Professional Experience

IT Specialist & AI Developer
January 13, 2025 – Present

TIPP Digital Solutions

Leading custom software developments, AI integration workflows, multi-tenant portal solutions, Windows desktop software development (including SMS Sender for Windows), and hospital system integrations.

IT Specialist
2023 – March 2025

San Jose Multipurpose Cooperative

Maintained computer networks, databases, and system infrastructure. Built AppSheet collection/monitoring apps, SMS loan monitoring systems, digital voting, and queueing solutions.

Loan Monitoring Clerk
2019 – 2023

San Jose Multipurpose Cooperative

Managed digital loan tracking workflows, automated reporting using IT tools, and trained staff on productivity apps.

Freelance IT Support
2014 – 2018

Seawind Resort, Boracay

Handled network maintenance, POS support, CCTV installations, and custom booking/inventory management software.

Manager
2012 – 2018

D'Lynk's Internet Café and Services

Managed business operations, client technical services, hardware diagnostics, and network infrastructure maintenance.

Technical Skills & Expertise

AI & Custom Development
AI Prompt Engineering AI Tool Integration VB.NET Windows Forms PHP / Web Dev Python JavaScript AppSheet
Desktop & Enterprise
Windows Forms App Development SMS Sender for Windows MySQL MS Access XAMPP / WAMP Git
Systems & Networking
Network Infrastructure System Administration Database Management CCTV (DVR/NVR) Cross-Platform Support
Office & Productivity
Microsoft Office Google Workspace Adobe Photoshop / Illustrator Canva CapCut
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