Christos Alexiou — Developer Portfolio

Hi, I'm Christos

Internet janitor in Thessaloniki. Founder of Gistvid; co-author on AI + 3D cadastre research.

About

I ship AI products and sweep up after them. Co-authored a paper on digital twins for urban energy at the 11th FIG Workshop, and built a quant trading platform through QRT Academy Cambridge.

Skills

Docker

TypeScript

Python

JavaScript

Tailwind CSS

FastAPI

Kubernetes

PostgreSQL

GitHub Actions

Firebase

Nuxt

Vue

Terraform

Stripe

OpenAI

Css

React

React Native

MongoDB

Nginx

Ansible

SQLAlchemy

Kustomize

Redis

Harbor

Pinia

Swift

SwiftUI

Vue.js

My Projects

Check out my latest work

I've worked on a variety of projects, from simple websites to complex web applications. Here are a few of my favorites.

Source

A fitness tests app for iOS and watchOS

Feb 2026 – Apr 2026100% authored

Multi-platform fitness app for iOS and watchOS with VO2Max tests, structured workouts, Strava sync, and social leaderboards.

Featured at

Apple App Store getcooperly.com vertexaisearch.cloud.google.com

Swift

SwiftUI

watchOS

HealthKit

CoreLocation

Firebase

WatchConnectivity

Combine

Supabase

AVFoundation

Source

AI-powered summarizer for every video in the web

Apr 2023 – Nov 202387% authored

AI video summarizer with browser extensions, admin dashboard, FastAPI backend, and Temporal workers.

Featured at

Product Hunt Softonic Monkey AI Tools

React

FastAPI

Temporal

Docker

Terraform

Google Cloud

Next.js

JavaScript

Python

Chrome Extension

MUI

Source

QRT Academy Cambridge trading strategy project

Feb 2026 – Apr 202687% authored

Full-stack quantitative trading platform with mean-reversion pairs and Fama-French factor strategies, real-time data, and trade submission.

Python

FastAPI

PostgreSQL

SQLAlchemy

pandas

Docker

WebSockets

TypeScript

Tailwind CSS

Pinia

PrimeVue

Source

Pdflabeler

Aug 2023 – Sep 2025100% authored

AI-powered web app that renames PDFs from OCR content, with billing and auth.

Nuxt

TypeScript

Tailwind CSS

Firebase

Stripe

OpenAI

Tesseract.js

Socket.IO

Docker

Source

Bim Paper

Jun 2023 – Sep 2023100% authored

Prototype IoT sensor simulator with BIM 3D viewer and web dashboards.

Featured at

11th International FIG LADM/3DLA Workshop 2023 ResearchGate Author's Personal Website

Python

FastAPI

Vue.js

Quasar

Three.js

MongoDB

PyMongo

JavaScript

Docker

ifcopenshell

Source

Redgreen

Apr 2025 – Oct 2025100% authored

Personal finance tracker with AI transaction categorization, asset tracking, and budget analysis dashboards.

TypeScript

Next.js

React

MongoDB

Mongoose

Redis

BullMQ

Tailwind CSS

Docker

OpenAI API

Chart.js

Build Log

Things I've been building

A timeline of weekend projects, experiments, and personal builds — automatically pulled from my GitHub activity.

Feb 2026 – Apr 2026

Getcooperly.Com

Marketing site and open-metrics backend for an Apple Watch running app.

Source

Jan 2026 – Apr 2026

Garretstreet.Com

Static corporate site announcing a financial analytics firm's acquisition and migration.

Source

Apr 2026

A personal K3S cluster that lives in Hetzner

Personal K3s cluster on Hetzner Cloud managed with Terraform, Ansible, and GitHub Actions.

Source

Jan 2026

Spotaki Server

Real-time WebSocket navigation backend with Firebase auth and OSRM routing.

Source

Feb 2026 – Apr 2026

Strava Shadow

Web app and CLI for generating fake Strava activities with spoofed GPS, pace, and device metadata.

Source

Apr 2026

Gringotts

Obsidian vault for podcast production with financial history scripts and research notes.

Source

Jan 2026

Spotaki.Com

Parking spot marketplace app with consumer search, business portal, and real-time availability tracking.

Source

Oct 2025

Garagesale

Full-stack ecommerce platform with Stripe payments, admin API, and MySQL inventory.

Source

Jun 2025

Rg

React Native transaction tracking app with charts, calendar, and search.

Source

Oct 2025

Redgreen Ios

iOS transaction tracker with analytics, onboarding, and user authentication.

Source

Dec 2025

A text-only dating app

Text-only dating web app with retro terminal UI and Firebase auth.

Source

Jul 2025

Dipeira Scraping

CLI scraper that downloads Excel files from a Greek government WordPress uploads site.

Source

Aug 2025

Flight Price Tracker

Flask web service that tracks flight prices and sends alerts.

Source

Sep 2024 – Apr 2026

Christos.Id

Personal technical blog with custom Jekyll plugins, Kubernetes deployment, and programmatic SEO automation.

Source

Jan 2024

Mermd

React Native mobile app for creating and exporting Mermaid diagrams.

Source

Mar 2024 – Apr 2026

A home for writers from day zero.

Creative writing tournament platform with AI mirror stories and blind peer voting.

Source

Mar 2024

Identify unused image assets in a Vue project's codebase.

CLI tool that finds and optionally removes unused image assets in Vue projects.

Source

Feb 2023 – Jan 2026

ReachMore is a Chrome extension that helps you expand your LinkedIn network.

Chrome extension that helps users expand their LinkedIn professional network.

Source

Apr 2023 – Jan 2026

A Chrome extension for on-the-fly statistics of Ethereum addresses

Chrome extension for real-time statistics of Ethereum addresses.

Source

Oct 2023

A podcasting platform.

Multi-service podcasting platform with RSS feeds, episode management, and video recording.

Source

Dec 2022 – Sep 2024

A blog about platform engineering and cloud-native infrastructure.

Deployed technical blog about platform engineering built with Eleventy and Tailwind.

Source

Contact

Get in Touch

Want to chat? Just shoot me a dm with a direct question on twitter and I'll respond whenever I can. I will ignore all soliciting.