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TPAINN/README.md

Apostolos Peiniris

Full-stack developer in Preveza, Greece. I build web and Android apps and ship them: React, Kotlin with Jetpack Compose, Node.js. Computer Science graduate, University of Western Macedonia.

Portfolio | LinkedIn | CV (PDF) | Email

Projects

Nufo
Nufo
Photograph a plate or scan a barcode and get the foods and their nutrition. Greek-first, free, no account.
Kotlin, Jetpack Compose, SwiftUI, Gemini
Site | Code 		Aurora Player
Aurora Player
Music player with word-level synced lyrics, search across several catalogs and DJ-style transitions.
React 19, Motion, Vercel functions
Live | Code
Καλαθάκι
Καλαθάκι
Prices from 8 Greek supermarkets in one search, AI meal plans and a shared real-time cart.
React 19, Capacitor, Express, MongoDB, Puppeteer, Socket.IO
Live | Case study | API 		MindFeed
MindFeed
Knowledge PWA without infinite scroll: ten verified cards a day.
React, Node.js, MongoDB, Claude API
Live | Code
RingVault
RingVault
Free CC0 ringtones, notification sounds and alarms for Android, with a weekly ingest pipeline.
Kotlin, Jetpack Compose, Node.js, MongoDB
Site | Code 		Vortex
Vortex
Landing page for a free Android app that saves media from links.
React 19, Tailwind 4, Framer Motion, Lenis
Live | Code

Smaller: Shft landing page | Card Memory | Password Generator | Calculator

Stack

React TypeScript Kotlin Jetpack_Compose SwiftUI Node.js Express Java Spring_Boot PostgreSQL MongoDB Supabase Capacitor Vite Tailwind GSAP Vercel Git

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  1. apostolos-peiniris apostolos-peiniris Public

    Personal portfolio. Single-file static site, no framework, no build step

    HTML

  2. aurora-player aurora-player Public

    Music player for the browser: word-level synced lyrics, multi-catalog search, DJ-style transitions. React 19, Vite

    JavaScript

  3. card-memory-game card-memory-game Public

    Card-matching memory game with three levels, 3D flips and saved stats. React 19, Vite

    JavaScript

  4. mindfeed mindfeed Public

    Knowledge PWA without infinite scroll: ten verified cards a day. React, Node.js, MongoDB, Claude API

    JavaScript

  5. password-generator password-generator Public

    Random password generator using the Web Crypto API. No backend, no tracking. React, Vite

    JavaScript

  6. ringvault ringvault Public

    Free ringtones, notifications and alarms for Android. Kotlin and Compose app, Node and MongoDB backend, CC0/CC-BY sounds

    JavaScript