Jonathan Coblentz

Jonathan Coblentz

Full-Stack Developer building database-driven applications and web systems

Clean systems. Usable interfaces. Reliable solutions.

About Me

I’m a developer focused on building structured, maintainable web applications. My work spans frontend interfaces, backend data modeling, and database-driven solutions. I enjoy creating clean, responsive designs while writing robust, reusable code.

Featured Projects

Vehicle Log App
Vehicle Data Tracking App

Relational vehicle tracking system using PHP & MySQL with dynamic CRUD, prepared statements, and Bootstrap responsive layout.

PHP MySQL Bootstrap
View Code Working Demo Video Walkthrough
Star Trek Temporal Rift
Star Trek: Temporal Rift

Turn-based RPG ported from C# WinForms to the browser. Highlights code migration skills, featuring an asynchronous combat engine, dynamic character stats, and strategy pattern abilities.

JavaScript C# / .NET HTML5 / CSS3 Bootstrap
View Code Play Game
Repertoire App
Repertoire

Full-stack song catalog for musicians managing multiple projects. Features role-based authentication, searchable repertoire with real-time filtering, favorites tracking, and printable stage-ready catalogs with linked resources.

C# ASP.NET Core MVC Bootstrap JavaScript
View Code Working Demo Video Walkthrough
Othello Game
Othello Game

A fully playable, interactive two-player Othello board game built dynamically via DOM manipulation and customized with college sports themes.

JavaScript SCSS/CSS Bootstrap
View Code Working Demo

Expertise

Business Applications

Custom-built systems for managing inventory, operations, records, and internal workflows.

Database Systems

Structured relational databases with a focus on reliability, scalability, and data integrity.

Web Applications

Responsive browser-based applications with authentication, CRUD operations, and dynamic content.

UI / UX Development

Clean, usable interfaces designed for clarity, efficiency, and accessibility.

Automation & Workflow

Tools that reduce repetitive tasks and streamline day-to-day business processes.

Custom Solutions

Flexible application architecture built around real operational requirements.

Core Technologies

Languages
  • PHP
  • JavaScript
  • SQL
  • C#
  • HTML/CSS
Frameworks & Tools
  • ASP.NET Core
  • Bootstrap 5
  • WordPress
  • MySQL
  • SQLite
  • Git/GitHub
Development Focus
  • Database-driven applications
  • CRUD systems
  • Authentication & user management
  • Responsive web interfaces
  • Relational database design

Let’s Work Together

Interested in hiring or collaborating? Reach out via email or LinkedIn.

Email Me LinkedIn