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kasunHasanga/README.md

Hi, I'm Kasun Hasanga 🧑‍💻

Senior Mobile Software Engineer | FinTech & Digital Banking 📱💳

🇱🇰 Sri Lanka

🚀 Flutter specialist with 4+ years of experience building secure, scalable, production-grade mobile apps for digital banking, fintech, and healthcare platforms used by thousands of users.

👨‍💻 About Me

  • 💼 Software Engineer – Mobile (Flutter)
  • 🏦 Actively building digital banking & payment platforms
  • 🔐 Strong focus on security (root detection, biometrics, secure auth flows)
  • ☁️ Experience with AWS & GCP integrations
  • 📦 Published apps on Google Play, App Store & Huawei AppGallery
  • 🤝 Open to open-source collaboration & knowledge sharing

⚡ Outside work, I enjoy Swimming 🤽🏻‍♂️ | Cycling 🚵🏻‍♂️ | Traveling 🧗🏻‍♂️

🏢 Professional Experience

Software Engineer – Mobile (Flutter)

JIT Resourcing & Consultancy Services · Mar 2025 – Present

  • FRIMI – Sri Lanka’s first fully-fledged digital banking app
  • Nations Direct – Next-gen mobile banking platform
  • Implemented secure authentication, biometric flows, and financial UX patterns
  • Delivered production-ready features with high reliability & performance

Software Engineer – Flutter

Saberion Pvt Ltd · Aug 2022 – Mar 2025

  • FLASH Digital Bank – Commercial Bank of Ceylon
  • Famalii – Nordic digital banking platform
  • Parent-Pay – Freelance time & payment management
  • CDB Calendar App – Events, holidays & notification integration
  • Worked on multi-region fintech platforms (Sri Lanka, Bangladesh, Maldives)

Software Engineer Intern – Flutter

SperaLabs Pvt Ltd · Jan 2021 – Aug 2021

  • Built HealthX app suite (Doctor, Patient, Pharmacy, Lab)
  • Focused on appointments, prescriptions & lab workflows

🛠 Tech Stack

Mobile

  • Flutter / Dart
  • Kotlin · SwiftUI · Java · React Native

Backend & Cloud

  • Node.js · Express
  • AWS · GCP

Tools

  • Android Studio · Xcode · VS Code

🔐 Special Expertise

  • Advanced Android Root Detection
  • Biometric Authentication (Android Keystore & secure flows)
  • Secure fintech-grade mobile architectures
  • Cross-platform performance optimization

📦 Open Source & Personal Projects

  • 🔍 Root Detect – Advanced Android root detection techniques
  • 📱 Burhani Services – Freelancer time & productivity app
  • 📦 sri_lanka_provinces_districts_cities – Flutter utility package
  • 🔢 double_to_words – Number-to-words Flutter package

📜 Certifications

  • ☁️ AWS Certified Cloud Practitioner
  • 🌐 Google Digital Garage – Fundamentals of Digital Marketing
  • ☁️ Google Cloud Essentials
  • ⚡ Agile & Scrum Fundamentals

📊 GitHub Stats

GitHub Snake Animation

🔗 Connect With Me

✨ “Build software that users trust — especially when money is involved.” ✨

Pinned Loading

  1. flutter_secure_shieldflutter_secure_shieldPublic

    A robust security suite for Flutter applications to ensure device integrity and prevent unauthorized access on compromised devices.

    Dart 1

  2. sri_lanka_provinces_districts_citiessri_lanka_provinces_districts_citiesPublic

    A Flutter package to access information about Sri Lanka's provinces, districts, and cities. This package provides models and helper functions to work with Sri Lankan geographic data, including the …

    Dart 2 1

  3. flutter_getx_starterflutter_getx_starterPublic

    This repository provides a robust starting point for Flutter applications with features like multiple flavors (Production, Staging, Development), integrated light and dark themes, Sinhala and Engli…

    Dart 7 3

  4. numbersToWordsnumbersToWordsPublic

    A simple Dart package for converting double numbers to their word representation.

    C++

  5. FlutterSnakeGameFlutterSnakeGamePublic

    Snake game design by using Flutter😊😊. Snakes can eat food and snake become larger by eating food😍😍. And hit boundary he dies😢😢.

    Dart 1

  6. flutter-server-driven-uiflutter-server-driven-uiPublic

    This is the Flutter repository. Try to get some hands dirty with the Mirai package. It's a great package to work with Flutter server-driven UI.

    C++