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rumax/README.md

Hi, I'm Maksym Rusynyk 👋

Senior Software Engineer | Mobile & Cross-Platform Apps | Reliability & Automation

📍 Netherlands

I design and build production mobile and web applications used in regulated environments such as banking. My focus is on delivering stable, secure, and maintainable systems while simplifying complex technical problems.


What I Do

I help teams:

  • Build reliable mobile applications for iOS and Android
  • Improve application stability and monitoring
  • Implement CI/CD automation and DevOps pipelines
  • Refactor and modernize complex legacy systems
  • Increase engineering quality through testing and clean architecture

Tech Stack

Mobile

FlutterReact NativeAndroidiOS

Languages

JavaScriptTypeScriptDartFlutterKotlinSwiftHTML5CSS3

Engineering

Azure DevOpsCI/CDTestingMonitoring


Experience

Currently working at ING Wholesale Banking, building mobile and web solutions for regulated financial environments.

Previously:

  • Delivered Flutter mobile apps for Android and iOS
  • Built React Native investment applications used in the Netherlands and Belgium
  • Owned mobile platform stability, monitoring, releases and CI/CD pipelines
  • Improved production reliability to 99.99% application stability

Mobile Apps

📱 Published cross-platform mobile applications and development experiments (available on Android):


Speaking & Writing

🎤 ING Mobile Conference 2024 — Cross-Platform Development for Mobile Apps 🎤 InvestiCon 2019 — Developing ING Investing Cross-Platform App

✍ Technical articles published on • MediumITNEXTDailyJSING Tech Blog


Interests

  • Clean architecture
  • Engineering automation
  • Application reliability
  • AI-assisted development
  • Simplifying complex systems

Connect

LinkedInMediumNPMEmail


Featured Projects & GitHub Stats

GitHub Stats

GitHub Stats

Most Used Languages

Top Languages

Highlighted Repos

Some of my key projects that demonstrate impact, reliability, and engineering ownership:

ProjectDescription
react-native-PDFViewStarsA React Native component for rendering PDF documents efficiently
react-native-PixelsCatcherStarsUtility for capturing pixel data from views for testing or analytics
react-native-SaveViewStarsSave React Native view as an image, useful for snapshots and reports

💡 I enjoy building solutions that improve reliability, simplify complexity, and help teams deliver better software.

Popular repositories Loading

  1. react-native-PDFView react-native-PDFViewPublic

    📚 PDF viewer for React Native

    Java 306 95

  2. react-native-PixelsCatcher react-native-PixelsCatcherPublic

    👀 Library for UI snapshot testing of React Native

    TypeScript 116 9

  3. react-native-SaveView react-native-SaveViewPublic

    💾 Library for saving React Native View/ScrollView elements

    Java 18 2

  4. Leaflet.Editable.TextBox Leaflet.Editable.TextBoxPublic

    JavaScript 7 3

  5. node-gpp node-gppPublic

    Nodejs wrapper for gpp

    JavaScript 1 1

  6. svg-polygon-decorator svg-polygon-decoratorPublic

    Decorator for polygons in svg

    JavaScript 1 1