Jakub Hýl

Software Engineer · Mobile, Web & Backend

Prague, CZ

I design, build, and ship mobile apps, web products, and cloud backends from idea to production.

Vocabie

A vocabulary-learning app for words you can understand, remember, and use.

iOS + web
Systems · Backend · Mobile
React Native · Expo · Cloudflare
TypeScript
Git
React (Native)
Expo
Cloudflare
Supabase
Tailwind CSS
Docker

Other technologies I know well

Node.js
Firebase
PostgreSQL
C++
Python
Java
Figma
Qt

Independent

Full-Stack Web Developer & UI/UX

Mar 2025 – Present

Remote

  • Delivered small-business websites end-to-end: requirements, UI prototype (Figma), implementation, and deployment.
  • Built responsive front ends with Firebase (Auth, Firestore, Hosting) for authentication and data persistence.
  • Applied practical SEO and performance improvements to production sites.

Compelson

Junior Software Engineer · MOBILedit

Aug 2024 – Feb 2026

Prague, CZ

  • Implemented 4 new parser modules shipped as customer-facing release enhancements for data extraction.
  • Reverse-engineered iOS and Android app storage artifacts; documented filesystem structures and database schemas.
  • Analyzed 50+ Android/iOS apps to identify storage patterns, edge cases, and data inconsistencies.
  • Improved stability by fixing bugs, optimizing modules, and building internal debugging tools.
Language

Cambridge C1 Advanced English

Issued Jun 2022

Database

Oracle Academy: Database Design

Issued Nov 2023

Database

Oracle Academy: Database Programming with SQL

Issued Dec 2023