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Learning
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Learning
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Achievements

Achievement: Pair ExtraordinaireAchievement: YOLOAchievement: Pull Sharkx3Achievement: QuickdrawAchievement: Arctic Code Vault Contributor

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SimonWang9610/README.md

Hi there, I'm Simon (Dengpan) Wang 👋

mailto: dengpan9610.wang@gmail.com

linkedin: https://www.linkedin.com/in/dengpan-simon-wang/

Senior Flutter & Full-Stack Engineer

I build high-performance cross-platform applications and reusable developer tools with a strong focus on:

  • Flutter framework internals
  • Advanced UI rendering systems
  • Real-time communication
  • Distributed backend services
  • Scalable architecture design
  • Developer tooling and reusable packages

Currently working on enterprise-grade video, IoT, and real-time systems using Flutter, WebRTC, and cloud-native technologies.

🚀 Featured Expertise

Flutter & UI Systems

  • Advanced Flutter rendering pipeline
  • Custom RenderObject and RenderBox implementations
  • High-performance scrolling and layout systems
  • Animation and gesture systems
  • Cross-platform desktop/mobile Flutter development
  • Plugin and SDK development

Backend & Distributed Systems

  • Node.js / TypeScript / Fastify
  • Golang microservices
  • Kafka and event-driven systems
  • Redis and MySQL
  • gRPC and WebSocket architectures
  • REST API and real-time streaming systems

🛠 Open Source Projects

  • positioned_scroll_observer Index-based scrolling and visibility observation framework for Flutter scroll views.

  • simple_http_api Lightweight Dart HTTP framework with cancellation, streaming, and SSE support.

  • flutter_gpt_tokenizer High-performance OpenAI tokenizer framework for Flutter using Dart FFI.

  • flutter_slidable_panel High-performance sliding action panel framework for Flutter.

  • simple_dropdown Customizable overlay-based dropdown framework for Flutter.

  • simple_dashboard Reusable dashboard framework supporting drag-and-drop and resizable workspace layouts.

  • simple_floating_panel Desktop-style multi-window system for Flutter: draggable/resizable panels, z-order management, minimize/restore, master-slave relations, and Overlay-based mounting.

  • simple_table_grid High-performance enterprise-grade table/grid rendering framework for Flutter.

Pinned Loading

  1. indexed_scroll_observer indexed_scroll_observer Public

    An elegant scroll observer for observing scrollable widgets in Flutter applications.

    Dart 13 2

  2. flutter_slidable_panel flutter_slidable_panel Public

    A high-performant slidable panel for Flutter.

    Dart 3 1

  3. gpt_tokenizer gpt_tokenizer Public

    BPE tokenizer used for Dart/Flutter applications when calling ChatGPT APIs

    Dart 10 7

  4. api api Public

    a Flutter http lib

    Dart 1

  5. messaging messaging Public

    Dart

  6. relative_stack relative_stack Public

    Dart