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191 followers · 52 following

Achievements

Achievement: Starstruckx2Achievement: Pull Sharkx4Achievement: Pair Extraordinairex4Achievement: YOLOAchievement: QuickdrawAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Starstruckx2Achievement: Pull Sharkx4Achievement: Pair Extraordinairex4Achievement: YOLOAchievement: QuickdrawAchievement: Arctic Code Vault Contributor

Organizations

@apache @huaweicloud @apolloconfig @openGemini @protocol-laboratory @openfacade

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hezhangjian/README.md

Hi, I'm Zhangjian (张俭)

Zhangjian /ʒɑŋ dʒi:ˈɑ:n/

I'm an experienced software engineer focused on coding, software engineering, and system design.

I maintain and contribute to open-source projects, including Apache BookKeeper, Apache Pulsar, openGemini, and ApolloConfig. I also build software projects, libraries, and tools, and write about software, systems, and technology.

Currently, I work on intelligent data decision platforms at Huawei Cloud.

Open Source Contributions

Selected Projects

  • ChuQin — A local-first desktop workspace for organizing personal files and working with AI agents.
  • OpenFacade — Providing consistent APIs over different underlying libraries, so applications can switch implementations without changing their code. The Java HTTP facade is available now.
  • latest-release-action — A GitHub Action for creating releases, uploading artifacts, and maintaining a latest tag.
  • go-mod-check-action — A GitHub Action for keeping go.mod and go.sum consistent and controlling indirect dependency updates.
  • host-available-check-action — A GitHub Action for checking whether a host is available.

View all projects →

Selected Posts

View all posts →

Selected Presentations (in Chinese)

2026 · Community Over Code Asia

  • 规模化场景下的规约驱动开发（Spec-Driven Development） · Session details
  • 用 Apache 技术栈打造类 Palantir 的数据与 AI 平台 · Session details

2025 · Community Over Code Asia

  • 使用 Apache Pulsar 构建高可靠订阅和推送服务：挑战与最佳实践 · Session details

2024 · Huawei Developer Conference

  • 华为云IoT构建OpenHarmony端云协同开源套件，让设备更智能 · Event recap

2024 · Huawei Cloud DTSE Talk

  • 华为云IoT开源专家实践分享：开源让物联网平台更开放、易用 · Video

2024 · 大湾区 Open Source Day

  • 携手开源社区：华为云IoT的参与实践与经验交流 · Event recap

2021 · ApacheCon Asia

  • The Journey of Apache Pulsar in Huawei Cloud Internet of Things Platform · Video

2020 · Pulsar Summit Asia

  • Apache Pulsar 在华为云物联网之旅：上线历程与最佳配置 · Video

View all presentations →

Pinned Loading

  1. ChuQin ChuQin Public

    ChuQin is a local-first desktop app for managing a PARA-oriented filesystem root, combining a Tauri desktop experience with shared Rust core utilities and a selective CLI for terminal-friendly work…

    TypeScript 1

  2. Ontology Ontology Public

    Ontology is an open Data & AI platform that connects data, decisions, and operations with trusted business context for apps, models, and AI agents.

    Java

  3. paas_dashboard_flutter paas_dashboard_flutter Public

    Paas dashboard for SRE.

    Dart 15 11

  4. latest-release-action latest-release-action Public

    This GitHub actions is used to perform a release of a project. It will create or re-create a release on GitHub and upload the artifacts to the release. It will also update the latest tag to point t…

    JavaScript 1

  5. pulsar-client-examples pulsar-client-examples Public

    Java 40 10

  6. kafka-client-examples kafka-client-examples Public

    Java 10 4