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radvansky-tomas/README.md
Tomas Radvansky — Fractional CTO & Flutter/Firebase Architect

Hi, I'm Tomas Radvansky

Book a call

Remote-only Fractional CTO specializing in Flutter, Firebase, and Node.js (TS). I build scalable mobile apps, solid architectures, and CI/CD pipelines for greenfield startups. TDD-first, GCP-native, and passionate about scientific and meaningful products.

Email LinkedIn GitHub GitHub Org


About me

  • 🇸🇰 Slovak living in Northland, New Zealand (PR)
  • Fractional / Temp CTO for greenfield startups
  • TDD-first, writing unit & integration tests
  • Remote-only (no office, no relocation)
  • GCP + Firebase + Node.js (TS) Cloud Functions
  • CI/CD with GitHub Actions
  • Love meaningful, science-oriented projects
  • Admin for Firebase Support Slack

Tech I use daily

Flutter Dart Firebase Node.js TypeScript GCP GitHub Actions TDD


Featured products

Backyard Hunt

QR-code based treasure/scavenger hunts for kids, built with Flutter and Firebase.

Backyard Hunt screenshot

🔗 https://backyard-hunt.com


Click Defeat

Idle, competitive button-smashing time trials for couples/friends.

Click Defeat screenshot

🔗 https://click-defeat.com


What I do as a Fractional CTO

  • Design mobile + backend greenfield stacks (Flutter + Firebase + Functions)
  • Establish quality gates, testing strategies, and review practices
  • Build CI/CD pipelines (build, test, release) with GitHub Actions
  • Architect secure multi-environment Firebase setups
  • Mentor teams on architecture, clarity, and delivery cadence

Typical architecture

graph LR;
    A[Flutter App] --> B[Firebase Auth];
    A --> C[Firestore];
    A --> D[Storage];
    C --> E[Cloud Functions];
    E --> F[GCP Services];
    G[GitHub Actions] --> A;
    G --> E;
    G --> C;
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  1. flutter_sizer flutter_sizer Public

    Forked from CoderUni/responsive_sizer

    Responsive Sizer helps implement are responsive layout by providing helper widgets and extensions

    Dart 3

  2. flutter_chargebee_js flutter_chargebee_js Public

    Chargebee JS support for flutter

    Dart 1 1

  3. biometric_storage biometric_storage Public

    Forked from authpass/biometric_storage

    Flutter plugin to store data behind biometric authentication (ie. fingerprint)

    Dart

  4. fireway fireway Public

    Forked from kevlened/fireway

    A schema migration tool for firestore

    JavaScript