Pebo HamzaPortfolio

Contents

Safello- Java / Spring Boot · AWS · TypeScript · Docker

Peblett- React, Web3.js, Ethereum

Necro- Godot game engine, GDScript

FakeNews- React, Gatsby, PHP backend, GPT-3

Gotm- UI/UX Design, Figma

Crypto Vs Wallstreet- React, public market APIs

Future Key- Vanilla JS, Express, mail API

Daily Habits- Vanilla JS

Stock Alert- React Native, Python Flask backend

Safello - Senior Backend Engineer at Sweden's largest crypto exchange

  • Senior Backend Engineer, 2021 – present
  • Listed on Nasdaq First North, Sweden's largest crypto exchange
  • Own the exchange, compliance and payment backends across multiple services
  • Remote team of 4 — most senior engineer on the backend side
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Peblett - Built it to understand how Ethereum wallets actually work

  • Built in 2021 when I joined Safello
  • Wanted to go deeper than just using MetaMask — key generation, signing transactions, talking to the network
  • React frontend, Web3.js for everything on-chain
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Necro - A puzzle-platformer game — playable in the browser

  • Built during Hyper Island in 2021
  • Wanted to understand game loops and collision mechanics from scratch
  • Picked Godot, built something I actually finished and shipped
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FakeNews - AI-generated news site — built in 2021 before anyone called it that

  • Got curious what GPT-3 could actually produce and built around it
  • Full CMS so I could add and remove articles without touching the code
  • React / Gatsby frontend, PHP backend
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Gotm - UI/UX design for gotm.io — a gaming platform by Macaroni Studios

  • Freelance job for Macaroni Studios
  • Designed the UI/UX for gotm.io, their game hosting platform
  • Figma — design, prototyping and presenting to the client

Crypto Vs Wallstreet - Kept switching tabs during the 2020 surge — so I built this instead

  • Built in 2020 during the big crypto rally
  • Wanted both markets side by side in real time without switching between tabs
  • React frontend pulling from public crypto and stock APIs
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Future Key - Lock a password and have it emailed to you in the future

  • Built during Hyper Island
  • You enter a password, pick a date, and it gets sent to your email then — not before
  • Vanilla JS frontend, Express + SQLite backend, nodemailer for sending
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Daily Habits - Simple habit tracker — no frameworks, just JS

  • Built during Hyper Island
  • Pure vanilla JS — no React, no libraries, just the DOM
  • Custom calendar logic written by hand
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Stock Alert - Get notified when a stock hits your price — tired of checking manually

  • Built in 2020 on my own time
  • First full mobile app I built with a real backend and login
  • React Native frontend, Python Flask + SQLite backend
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