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Work Experience

Each company in chronological order: responsibilities, projects and takeaways.

  1. 05 / 05
    2025.10 — Present 1 yr 1 mo

    ◯◯ Co., Ltd. (SES)

    Developer (Python) · Contract development · legacy modernisation (SES)

    Working in Japan as an SES engineer on legacy-system modernisation: automatic COBOL functional specs with ANTLR4 + RAG + MCP, a people-and-organisation sync tool for a major electronics maker's departmental system, and — as the engineer in charge — a rule-plus-generative-AI CMD → C# conversion platform.

  2. 04 / 05
    2023.07 — 2024.07 1 yr 1 mo

    Guangzhou Chenchuang Technology Development Co., Ltd.

    Python Developer · Simulation & wargaming (research software)

    Backend and agent work on a simulation product line: the main business service, engine lifecycle management and multi-user co-editing of a battlefield-simulation platform in Go (Gin), plus Python integration with a C++ wargaming platform, red/blue agents and a live monitor.

  3. 03 / 05
    2022.08 — 2023.07 1 yr

    Zhejiang Mulian Technology Co., Ltd.

    Python Developer · Industrial control security

    Python backend in industrial-control security: the traffic pipeline, allow-list detection engine and Django REST API of an out-of-band audit system, with Suricata integrated for deny-list detection and deep parsing of 27 industrial protocols.

  4. 02 / 05
    2020.08 — 2022.08 2 yrs 1 mo

    People's Zhongke Intelligent Technology Co., Ltd.

    Algorithm Application Engineer · AI × content safety

    Owned algorithm scheduling and the cross-language layer of a content-safety platform: Ray to orchestrate 10+ capabilities, SWIG to bring C++ SDKs into Python, a share of the Ascend Atlas inference SDK, and a cross-modal retrieval product shipped offline on my own.

  5. 01 / 05
    2019.07 — 2020.07 1 yr 1 mo

    Beijing Yunshangzuo Technology Co., Ltd.

    Software Engineer · AI × education

    Applied algorithms and full-stack work in AI × education: real-time classroom-behaviour analysis and alerts with Mask R-CNN + ResNet, an internal labelling and training platform, the stats backend of an online-class monitoring system, face verification and screenshot-recognition services.