Daniel Hernandez

Projects

Things I've built.

Backend APIs, scientific tools, games, and web apps — a range of projects spanning my interests.

Featured

Webster's Dictionary Online

Full-stack digitized-dictionary web application serving 125,500+ entries across ~2,400 pages, with a React frontend and an Express.js REST API over MySQL and an eXist-DB XML store. Served as Product Owner and sponsor liaison for a multi-developer team; containerized the stack with Docker and deployed internally, with production rollout in progress.

ReactExpress.jsMySQLeXist-DBDockerREST APIProduct Owner
125,500+ entries · Team project
Featured

Event Organizer Application

Team-built full-stack event platform with 339 commits. Set up MongoDB, built React frontend features, supported the Linux backend environment, and contributed API work for event discovery, organizer posting, and check-in flows.

ReactMongoDBLinuxNode.jsREST APIGoogle Maps APIGit
339 commits · Team project

LT Junk Removal Website

Marketing and lead-generation website for a Florida junk removal company. Hand-coded static site with an interactive Florida service-area map, a scroll-triggered multi-step quote funnel, JSON-LD structured data with aggressive on-page SEO, and a full WCAG 2.2 AA accessibility pass.

HTMLCSSJavaScriptAccessibilitySEOResponsive DesignClient Project
Client website

ZOI Boutique

Catalog website and phone-first admin panel that lets a non-technical owner add pieces, upload photos, and mark items sold out. Dependency-free Node.js server on built-in HTTP and SQLite with signed-cookie auth, containerized and deployed on an ARM VPS behind a shared Caddy proxy alongside a production app with zero downtime.

Node.jsSQLiteDockerCaddyJavaScriptAdmin PanelClient Project
Live client website · 18 E2E tests

V-ProBE

Vertical proximity boundary enhancement algorithm for femtosecond laser tomography of CVD diamond defects. Built image-processing and reconstruction workflows to suppress noise, compensate for optical aberrations, and improve 3D defect morphology visualization.

PythonDeep LearningImage ProcessingTomography3D ReconstructionMaterials Research
Research tool · UCF FMS

LightsOut

2D Unity horror puzzle game. Designed and implemented a custom flashlight and shadow system, enemy AI using NavMesh pathfinding, battery resource mechanics, and a card-based gameplay system. Over 50 scripts. Showcased at UCF.

UnityC#NavMesh AIGame Design2D GraphicsState Machines
50+ scripts · UCF showcase

UnderTour PR Tourism Management System

Responsive tourism scheduling and management platform for UnderTour PR. Integrated Calendly for booking workflows and built a clean web experience for tour discovery and customer scheduling.

JavaScriptNode.jsHTMLCSSCalendly APIResponsive Design
Full-stack project

Party Photo Orlando Website

Business website for Party Photo Orlando, connecting event clients with photo booth services, packages, and booking information through a polished responsive web presence.

WebsiteResponsive DesignBusiness SiteSEOClient Project
Live client website

Contact Manager

COP4331 full-stack contact manager with secure authentication and personal contact CRUD flows. Served as project manager and database manager on the team.

JavaScriptPHPMySQLLAMP StackAuthenticationCRUD
COP4331 Project 1

Multithreaded Prime Number Sieve

C++ implementation for finding primes up to 10^8 using a multithreaded Sieve of Eratosthenes with wheel factorization and a thread pool for efficient work distribution.

C++MultithreadingThread PoolSieve of EratosthenesAlgorithms
Research Assignment 1