Engineered Systems.

From privacy-first React applications to zero-dependency open-source tools. I build Production-ready systems built with clear architecture, automated CI/CD validation, and long-term maintainability.

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Engineering Portfolio

A full-stack Next.js 16 portfolio with a serverless contact system, Neon PostgreSQL persistence, transactional email via Resend, and a custom interactive terminal.

Next.js 16React 19TypeScriptTailwind CSS v4MotionNeon PostgresResend APIZodVitestReact Testing LibraryHuskyLint-StagedVercel
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Resume Craft

A privacy-first, client-side resume builder — 4 professional templates, ATS-friendly PDF export, and a fully tested codebase. No backend, no login, no data leaves the browser.

React 19ViteReact Router DOM v7CSS ModulesContext APIuseReducerVitestReact Testing Library@react-pdf/rendererhtml2canvasjsPDFcountry-state-cityreact-toastifyHuskylint-stagedESLintPrettierGitHub Actions
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@mdus/use-http-request-hook

A production-ready React hook for HTTP requests — universal method support (GET, POST, PUT, DELETE), LRU caching, request deduplication, AbortController cleanup, and debounce built in.

ReactJavaScriptAbortControllerfetch APInpm
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@mdus/use-localstorage-hook

A zero-dependency React hook for localStorage — cross-tab sync, auto-serialization, and safe error handling out of the box.

ReactJavaScriptlocalStorageWeb Storage API (storage events)npm
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Rick & Morty Memory Game

A memory card game built with React 19 Class Components — 3 difficulty levels, countdown timers, real-time scoring, and a custom audio engine.

React 19JavaScriptCSS ModulesMotionREST API (Rick and Morty API)Fetch APIWeb Audio APIJestReact Testing LibraryESLintPrettierGitHub ActionsGitHub Pages
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Book Tracker JS

A framework-free SPA built with Vanilla JS — modular OOP architecture, real DOM manipulation, and localStorage persistence.

JavaScriptCSS3Webpack 5VitestjsdomGitHub Pages
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