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

Live on App Store. I’m continuing to develop the vocabulary coach for words you can understand, remember, and use.

Download on the App Store
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