zfdang · dantifer

Zhengfa DANG

Engineering Leader · Open Source Builder

I lead engineering teams building trusted infrastructure for AI agents. Outside work, I make open-source apps for everyday life — from a lunar calendar to a better way to learn chess.

Portrait of Zhengfa DANG

Building software. Growing teams.

Engineering leader with 16+ years across online video advertising, SaaS, and cloud platforms — including 12+ years leading teams from startup through scale-up.

Currently Head of Engineering at an early-stage startup, building a trusted deployment platform for AI agents that combines TEE and blockchain to make agent execution traceable, verifiable, and auditable.

Previously grew with a leading online video ad-tech company from Engineering Manager to VP of Engineering over 16 years — leading AWS migration, SSP/ADX modernization, and high-scale ad-delivery platforms.

M.S. in Computer Science from Tsinghua University (NLP / AI Lab).

AI Agents TEE / Blockchain Engineering Leadership AI-native Engineering Distributed Systems Cloud / AWS SaaS / B2B

GitHub Activity

Public contributions and languages on github.com/zfdang.

Useful things, built to last.

Open-source apps for the desktop, the community, and the chess board.

macOS Objective-C Open Source

Chinese Lunar Calendar for Mac

Mac 状态栏万年历

A lunar calendar one click away, with Chinese holidays and personal anniversaries in your Mac menu bar.

Features & details

A lightweight macOS menu-bar app that displays a full lunar calendar with traditional Chinese holidays and supports custom personal festivals. Includes keyboard navigation, holiday override updates, and compatibility from OS X 10.8 onwards.

从状态栏快速弹出含农历及节日的万年历,支持国内假期调整与在线更新,可添加个人农历/公历节日,支持键盘控制。

Android Java Open Source

zSMTH — Android Client for NewSMTH

水木社区 BBS 开源 Android 客户端

An ad-free home for the NewSMTH community on Android, with rich posts, image browsing, and reply notifications.

Features & details

A clean, ad-free Android client for NewSMTH (Tsinghua BBS). Features rich-text post rendering with inline GIFs, full-screen image viewer with EXIF info, Like display, IP geolocation, push notifications for replies and mentions, and board search with partial Chinese matching.

无广告、开源的水木社区客户端。支持图文混排、GIF 动画、图片 Exif、IP 来源、消息提醒、版面快速搜索及分享到微信/微博。

Android Accessibility Open Source

Android Touch Helper

开屏跳过 — 自动跳过开屏广告

Get straight to your apps. Automatically skip splash-screen ads with configurable accessibility rules, without root.

Features & details

An Android accessibility service that automatically skips splash-screen ads across apps. Supports three detection strategies: keyword matching, target widget lookup, and coordinate-based tap — configurable per app with no root required.

基于 Android 无障碍服务,自动跳过应用开屏广告。支持关键字、控件 ID、坐标三种跳过策略,免 root,可按应用配置。

Android C++ AI Engine

象棋鱼 — Chess Fish

开源免费的安卓版象棋学习工具

Explore the next move. Study Chinese chess with Pikafish analysis, position evaluations, and a built-in game library.

Features & details

A free, open-source Chinese Chess (Xiangqi) learning app for Android, powered by the Pikafish engine. Features move history display, legal move highlighting, engine-assisted move suggestions with one-tap selection, evaluation curves, and built-in XQF game library.

使用皮卡鱼象棋引擎,提供走法提示、局势评估曲线、变着可视化和内置棋谱(XQF 格式),是强大的象棋学习和分析工具。

Let's Connect

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