TERMINAL - jyeu.xyz
user@jyeu:~$ whoami

J.YEU

user@jyeu:~$ cat intro.txt

Full-stack engineer building across frontend, backend, desktop, mobile, and AI.

Interested in design, photography, and the details that make software feel good to use.

# Fast learner. Self-driven. Broad technical range. Good product sense.

user@jyeu:~$
$ cat /etc/profile.conf

[PROFILE]

name = "J.yeu"
role = "Full-stack Engineer"
location = "Qingdao, China / Remote"
education = "B.Arch + B.Sc CS"
focus = "AI · Product Design"
status = [ACTIVE]
$ stack --list --grouped

LANG

[OK]   TypeScript [OK]   Go [OK]   PHP [OK]   SQL [OK]   HTML/CSS

FRONT

[OK]   React [OK]   Next.js [OK]   TanStack [OK]   Astro [OK]   Tailwind CSS [OK]   Svelte

CROSS

[OK]   Electron [OK]   Flutter [OK]   WebRTC

BACK

[OK]   Node.js [OK]   NestJS [OK]   Effect-TS [OK]   Golang [OK]   REST API [OK]   MySQL [OK]   MongoDB

AI

[OK]   LLM [OK]   RAG [OK]   AI Agent [OK]   Prompt Engineering

TOOL

[OK]   Git [OK]   Docker [OK]   Figma [OK]   Codex [OK]   Claude Code

user@jyeu:~$ ls -la ./projects/

EASYREF DESIGN ENGINE [LIVE]
stack : Next.js / TanStack / Effect-TS / Tailwind
desc : Visual inspiration platform for designers. Pinterest-style waterfall layout, million-scale asset browsing, full-stack with type-safe backend.
XUANXUAN IM CLIENT [SHIPPED]
stack : React / Electron / Flutter / WebRTC / Go
desc : Enterprise instant messaging app. Cross-platform desktop & mobile, video conferencing, and GPT-powered AI integration.
BCBD ATELIER [DEPRECATED]
stack : Svelte
desc : Architecture studio website. Responsive layout, image-rich portfolio showcase with attention to typesetting and mobile UX.
$ git log --career --oneline
commit k0l1m2n (HEAD)

Date:   2025.07 — Today

Indie Hacker @ Career Break

Took career pause for family matters; maintained independent development

Full architectural refactor of EasyRef — state management, data flow, component hierarchy

Migrated core logic to Effect-TS for type-safe, composable error handling & side effects

Fixed historical data compatibility, improved empty/loading/error states across the platform

commit j1k2l3m (HEAD~1)

Date:   2025.01 — 06

Frontend Engineer @ Beijing Youjike Technology Co., Ltd.

Early-stage enterprise AI app for government and enterprise clients

Built AI knowledge base modules with React, TypeScript, and Tailwind CSS

Developed document upload, Q&A sessions, retrieval results, and source citations

Integrated RAG services: parsing status, streaming answers, errors, and history

Used Codex / Claude Code for task breakdown, mocks, refactors, debugging, and review

commit a1b2c3d (HEAD~2)

Date:   2022.02 — 2024.08

Software Engineer @ Zentao Software

Cross-platform desktop app dev (Electron, React, TypeScript)

Flutter mobile maintenance & feature parity with desktop

WebRTC video conferencing: MCU-to-SFU migration, signaling & state management

GPT-powered AI integration into enterprise IM workflow

Backend services (Go, PHP) & database development (MySQL)

commit d4e5f6g (HEAD~3)

Date:   2020.09 — 2022.06

B.Sc Computer Science @ University of Jinan

GPA 4.5/5.0. Second bachelor's degree.

Algorithms, operating systems, networking, database systems.

commit h7i8j9k (HEAD~4)

Date:   2014 — 2019

Bachelor of Architecture @ Qingdao University of Technology

Five years of design education. Strong visual foundation.

Transitioned from architecture to software engineering.

$ connect --contact

$ connect --email chen@jyeu.xyz

[OK] Connection ready. Awaiting handshake.