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Achievements

Achievement: Pull Sharkx3Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Quickdraw

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landxcape/README.md

Purna Kalyan Shakya

Senior Flutter Engineer

I build reusable libraries and developer tools with a focus on application architecture, performance, native integration, and real-time systems. Most production work resides in private repositories. The projects below represent engineering work developed independently and reflect the same areas I work on professionally.

Architecture

clean_feature_arch

CLI tool for generating feature-based Flutter projects following a Feature-First Clean Architecture standard.

  • Project scaffolding
  • Static analysis
  • Architecture validation

repository_kit

Repository toolkit for implementing offline-first workflows in Flutter applications.

Flutter Architecture Standard

Documentation defining the architectural rules, dependency boundaries, and project structure used across my Flutter projects.

Performance

isolate_runner_mixin

Utility package for offloading CPU-intensive tasks to background isolates, ensuring the main UI thread remains responsive.

animated_marker

Animated map markers for Flutter applications with smooth position and scale interpolation.

scroll_texts_widget

A scrolling text widget that renders text directly to the canvas instead of rebuilding widget trees, allowing performance to remain consistent even with long strings.

Native Integration

biometric_secure_vault

Secure credential storage protected by native device biometrics.

ffr_crypto

Experimental Flutter package executing cryptographic operations via Rust through Dart FFI. Developed while exploring Rust and Dart FFI.

Systems & Simulations

nbody_sim_core

Framework-independent N-body simulation engine with Dart and Rust implementations.

nbody_sim_flutter

Flutter visualization layer built on top of nbody_sim_core. The same simulation engine powers my portfolio website.

Technical Links

Pinned Loading

  1. animated_marker animated_marker Public

    The AnimatedMarker widget is a Dart class that animates the movement of markers on a Google map.

    Dart 3 3

  2. resumable_downloader resumable_downloader Public

    A robust download manager with resumable support, queuing, concurrency, and error handling, built on Dio.

    Dart 9 2

  3. clean_feature_arch clean_feature_arch Public

    CLI and analyzer for scaffolding and enforcing Clean Architecture in Flutter projects. Version 1.6.0 provides full support for modern Dart 3.x patterns and modular dependency injection.

    Dart

  4. ffr_crypto ffr_crypto Public

    A Flutter-first, Rust-powered native cryptography package using Dart FFI and Flutter Native Assets.

    Dart

  5. biometric_secure_vault biometric_secure_vault Public

    Secure key-value storage for Flutter that gates sensitive data access behind biometric authentication (FaceID, Fingerprint, or Iris).

    Dart

  6. isolate_runner_mixin isolate_runner_mixin Public

    A Flutter-aware Dart mixin for easily running CPU-intensive tasks, including those that use Flutter plugins, in a background isolate.

    Dart 2