Internal Tools & Workflow Systems流程系統設計
Design searchable, permission-aware systems for approvals, operational data, reports, and process tracking.把簽核、營運資料、報表與追蹤需求整理成可查詢、可控權限、可維護的系統。
Portfolio Summary作品集摘要
Full-stack developer for internal tools and workflow systems.內部工具與流程系統全端工程師。
I build systems that replace spreadsheet-heavy, paper-based, and manually tracked work with searchable workflows, permissions, file handling, reports, tests, and production deployment. Recent work includes 10+ enterprise intranet modules and one live public product.我專注把表單、簽核、營運資料、檔案處理與後台管理流程做成可查詢、可控權限、可部署上線的 Web 系統。近期成果包含 10+ 個企業內網模組，以及一個已公開上線的產品。
Target Roles目標職務
Full-stack DeveloperInternal Tools EngineerBusiness Systems DeveloperFrontend-heavy Full-stack Role
Full-stack Implementation全端功能實作
Build frontend screens, API routes, database-backed workflows, file handling, admin interfaces, and business UI.實作前端畫面、API、資料庫流程、檔案處理、後台管理介面與業務操作 UI。
Production Delivery部署與測試交付
Ship with GitHub version control, Render deployment, Cloudflare DNS/R2, build checks, smoke tests, and E2E coverage.以 GitHub 版控、Render 部署、Cloudflare DNS/R2、build 檢查、smoke test 與 E2E 測試完成交付。
Projects
Two proof points: one live product, one internal systems track.兩個主要證明：公開上線產品與企業內部系統實戰。
Live Product公開上線作品
Light ShowLight Show
Lighting storefront and admin platform with product management, inquiries, SEO, R2 storage, Neon PostgreSQL, deployment, and E2E checks.已公開上線的燈飾展示網站，含前後台、商品與詢價流程、Neon PostgreSQL、R2 儲存、部署與 E2E 檢查。
Internal Systems公司內部系統
Enterprise Intranet Systems企業內網系統
10+ workflow modules across OKR, ECN, overtime, reimbursement, project codes, delegation, asset tracking, equipment maintenance, and BOM control.10+ 個內部流程模組，涵蓋簽核、OKR、ECN、加班、核銷、資產追蹤、設備維護、BOM 版控與報表。
Experience
Recent delivery record.近期交付紀錄。
Enterprise internal systems development企業內部系統開發
Delivered and improved 10+ modules for approvals, OKR evaluation, assets, equipment maintenance, BOM control, pricing workflows, and reporting.交付並優化 10+ 個模組，涵蓋簽核、OKR 評核、資產、設備維護、BOM 版控、價格流程與報表。
Light Show public launchLight Show 公開上線
Delivered a public storefront and admin system with database, object storage, deployment, build checks, API smoke tests, and Playwright E2E tests.完成公開前台與後台系統，串接資料庫與物件儲存，並加入部署、build 檢查、API smoke test 與 Playwright E2E 測試。
Portfolio and case study packaging作品集與案例整理
Packaging project work into clear case studies that communicate business context, technical ownership, and production delivery.將專案成果整理為清楚案例，呈現業務情境、技術負責範圍與上線交付能力。
Selected Engineering Ownership
What I actually owned in each project.我在專案中實際負責的內容。
End-to-end product implementation端到端產品實作
Light ShowLight Show
- Built storefront, admin console, API server, database schema, file upload flow, and deployment configuration.建立前台、後台、API server、資料庫 schema、檔案上傳流程與部署設定。
- Implemented product CRUD, category management, CSV import, inquiry handling, catalog PDFs, dashboard metrics, and SEO settings.實作商品 CRUD、分類管理、CSV 匯入、詢價處理、PDF 型錄、儀表板指標與 SEO 設定。
- Added build checks, API smoke testing, and Playwright E2E coverage for homepage, admin login, product CRUD, search, settings, and inquiries.加入 build 檢查、API smoke test 與 Playwright E2E，覆蓋首頁、後台登入、商品 CRUD、搜尋、設定與詢價流程。
Feature development and workflow maintenance功能開發與流程維護
Enterprise Intranet Systems企業內網系統
- Converted spreadsheet, paper, and manual follow-up processes into database-backed web workflows.將 Excel、紙本與人工追蹤流程轉成資料庫支援的 Web 流程。
- Worked on approvals, role access, attachments, searchable lists, reporting views, and version history.處理簽核、角色權限、附件、查詢列表、報表畫面與版本歷程。
- Covered OKR, ECN, overtime, travel reimbursement, project codes, delegation, asset tracking, equipment maintenance, and BOM control.涵蓋 OKR、ECN、加班、出差核銷、專案代碼、職務代理、資產追蹤、設備維護與 BOM 版控。
Skills
Capabilities and tools used in real delivery.實際交付中使用的能力與工具。
Frontend application development前端應用開發
Vue 3, React, Vite, admin UI, forms, tables, responsive layouts
API and workflow backendAPI 與流程後端
FastAPI, Express, REST API, sessions, validation, file uploads
Database and file storage資料庫與檔案儲存
PostgreSQL, Neon, Drizzle, Cloudflare R2, CSV import, report files
Deployment and verification部署與驗證
Git, GitHub, Render, Cloudflare DNS, Playwright, smoke tests
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