CK Chris Kubicki
Poland

Chris Kubicki

Independent developer building tools for game collectors. From idea to the App Store, the server, and back.

Designed & assembled in Poland Rev 2026.09

1. Specifications

Languages Kotlin, Dart, Swift, Python
Backend Spring Boot, PostgreSQL, Docker
Mobile Flutter, iOS, Android
Infrastructure Linux VPS, Nginx, cron, backups that restore
Focus Retro games, marketplaces, price data

2. Operating range

  • End-to-end product From idea to release on the App Store and Google Play, solo.
  • Full-stack backend APIs, databases, auth, payments and deployments that survive the night.
  • Data pipelines Scrapers, feeds and price monitoring for retro marketplaces.

3. Selected work

  1. 2025–2026
    GameSwapHub

    Retro game swapping platform. Kotlin, Spring Boot, PostgreSQL, Docker on a VPS. Live and taking swaps.

  2. 2026
    retro_check

    Price scanner for retro collectors. Flutter, iOS and Android.

  3. 2025–2026
    Marketplace price feeds

    Scheduled scrapers and price data for DKOldies, CEX and EveryRetroGame. Python.

4. Service & support

Something to build, fix or hook up? Write — replies usually land within a day, EU timezone.

kkubicki2@gmail.com