Featured
Lark / CapCut
Frontend engineering, interaction polish, and business-module delivery across collaboration and creator products.
About Lien Jack
Lien Jack
Full Stack Engineer / Agent BuilderTokyo · Remote
An engineer brand for turning agent workflows, product systems, and interface rhythm into shippable experiences.
I am a Tokyo-based full stack engineer and agent builder. I previously worked at NetEase, ByteDance, and Ethereum Community Fund, with product engineering experience across Lark, CapCut, and Ulike.
Micro-frontends
Domain modules, independent delivery, cross-team contracts, and frontend engineering governance.
Cloud applications
Cloud workspaces, online collaboration surfaces, and service-oriented product entries.
Text2SQL
Natural-language querying shaped into explainable data-model and result workflows.
Harness
Agent toolchains, context, permissions, task execution, and recoverable workflow runtime.
Media processing
Frontend media handling, editing flows, previews, and performance-sensitive interactions.
Infinite canvas
Canvas systems for complex object editing, pan/zoom, spatial organization, and dense interactions.
Contact
Contact
The quickest ways to reach me: scan a social QR code, open GitHub, or continue the conversation by email about engineering, agents, and product systems.
