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ronbodnar/README.md

Hi, I'm Ron 👋

Full-Stack Engineer & Problem Solver

I design, build, and operate full-stack systems that replace spreadsheets, manual workflows, and brittle internal tools.

I don’t build demos. I build systems that are mission-critical to daily operations.

Featured Work

CoreFlow ERP

Contract-first, multi-tenant ERP built from scratch

  • Java 17→21, Spring Boot 3, Angular 17→20
  • Versioned domain contracts enabling full immutability, auditability, and compliance
  • Decoupled sub-charges and financial components with strict contract linkage
  • Real-world workflows, asset tracking, and operational dashboards
  • Designed for production usage, long-lived domains, and scale

The repository is private, but a full architecture overview and live demo are available here.

Showcase OS

Modular React platform simulating a desktop & mobile OS

  • Process lifecycle, program registry, window layering, launchers
  • Shared service and state architecture reused across desktop and mobile environments
  • OS-style architecture implemented in the browser

Grid of Words

Wordle-inspired SPA

  • Custom vanilla JS frontend + Node.js backend
  • Complex state management and real-time DOM updates
  • API-driven gameplay

Tech Stack

Category Tools & Technologies
Backend Java Spring MySQL Node.js Python
Frontend TypeScript React Angular Tailwind
Infrastructure Nginx Docker Linux GitHub Actions

Connect with me

Pinned Loading

  1. showcase-os showcase-os Public

    An extensible web-based desktop environment. It serves as a unified system simulation to deploy and demonstrate multiple projects as native applications.

    TypeScript

  2. grid-of-words grid-of-words Public

    A dynamic word puzzle game built with Node.js and JavaScript.

    JavaScript 1

  3. transportation-management transportation-management Public

    A prototype Transportation Management System (TMS) written in PHP designed to solve workflow issues between a logistics company and carriers.

    PHP 1

  4. loan-eligibility-ml loan-eligibility-ml Public

    Loan eligibility prediction machine learning model based on a Kaggle.com historical loan dataset and written in Jupyter Notebook.

    Jupyter Notebook 1

  5. oed-parser oed-parser Public

    OED Word Parser is a Python script for scraping and parsing word data from the Oxford English Dictionary. It offers customizable pagination and request delays for efficient data extraction. Perfect…

    Python 1

  6. deliveryrouter-cli deliveryrouter-cli Public

    A route planning script that utilizes the Nearest Neighbor algorithm to determine efficient delivery routes while meeting constraints and requirements.

    Python