Leo Sze

為小店及企業開發網站、網上商店及自動化系統 Websites, online shops and automation for small businesses and companies

Leo Sze,駐香港的獨立軟件開發者,提供由介面設計、程式開發、資料庫以至伺服器部署的一站式服務,並於系統上線後持續提供技術支援。亦可開發 iOS/Android 手機 App(React Native)並上架 App Store 及 Google Play,以及處理 IG/Facebook 等平台自動出帖、SMS 短訊系統和各大平台廣告投放。 Leo Sze is an independent software developer based in Hong Kong, providing end-to-end delivery — interface design, development, database and server deployment — with continued technical support after launch. Also available: iOS and Android apps (React Native) published on the App Store and Google Play, auto-posting to Instagram, Facebook and other platforms, SMS systems, and ad campaigns on the major platforms.

服務對象包括初創企業、中小型商戶,以及任何需要 IT 解決方案的機構,歡迎查詢。Clients include start-ups, small and medium-sized businesses, and any organisation in need of an IT solution. Enquiries are welcome.

現正承接新項目,簡單網店最快一星期上線 WhatsApp Accepting new projects — a simple online shop can launch within a week. WhatsApp +852 6744 2183

服務範圍Services

以下六項示範均可實際操作。Each of the six demonstrations below is fully interactive.

網上商店Online shop

於自家網站直接銷售實體商品、數碼檔案或服務,毋須受第三方平台的佣金及版面限制。Sell physical goods, digital files or services directly from your own website, free of marketplace commission and template constraints.

  • 商品目錄及購物車Catalogue & cart
  • 信用卡・PayPalCredit card · PayPal
  • 轉數快・Apple Pay・Google PayFPS · Apple Pay · Google Pay
  • 優惠碼及推廣活動Discount codes
  • 庫存及運費管理Stock & shipping
  • 訂單追蹤及確認電郵Order tracking & emails
  • 數碼產品下載Digital downloads
  • 上架自動生成 IG 圖文・自動發佈Auto-generated Instagram posts for new products
  • 順豐站・自助櫃自取點選擇SF Express station & locker pickup
  • 手機 App(iOS/Android)或 Web AppMobile app (iOS / Android) or Web App
shop.example.com/cartDemo

收費參考Pricing

以下為起價,每個項目都會先提供書面報價。Starting prices; every project gets a written quotation first.

小店網站Small-business website

HK$1,800 起From HK$1,800

店舖介紹、產品或服務展示、WhatsApp 查詢掣、地圖,手機睇得清楚。Shop intro, products or services, WhatsApp enquiry button and map, built for phones.

網上商店Online shop

HK$3,000 起From HK$3,000

產品分類及搜尋、購物車、FPS/PayMe 付款、訂單後台、運費及順豐自取點。Categories and search, cart, FPS / PayMe payment, order back office, shipping and SF pickup points.

社交平台自動化Social media automation

HK$2,000 起From HK$2,000

上架產品自動生成圖文,經官方 API 自動發佈或排程到 IG、Facebook 等常見平台。Images and captions generated for each product, posted or scheduled to Instagram, Facebook and other common platforms through their official APIs.

預約或會員系統Booking or membership

HK$5,000 起From HK$5,000

網上預約、會員登入、月費或年費、積分及到期提醒。Online booking, member login, monthly or yearly plans, points and expiry reminders.

手機 App(iOS/Android)Mobile app (iOS / Android)

HK$8,000 起From HK$8,000

以 React Native 開發,一套程式同時上架 App Store 及 Google Play;可連接你現有網站、會員及訂單系統,支援推送通知、相機、定位及掃碼,並代辦上架審批。開發者帳戶費另計(Apple 每年 US$99、Google 一次性 US$25)。預算有限可先做 Web App(加到手機主畫面),HK$1,500 起。Built with React Native — one codebase published to both the App Store and Google Play. Connects to your existing website, membership and order systems; push notifications, camera, location and QR scanning; store submission handled for you. Developer account fees extra (Apple US$99 / year, Google US$25 one-off). On a tighter budget, start with a Web App (add to home screen) from HK$1,500.

各平台廣告投放Ads on major platforms

每月 HK$800 起From HK$800 / month

Google、Facebook、Instagram、YouTube 等常見平台:代開廣告帳戶、安裝轉換追蹤、設定目標客群、製作廣告圖文、A/B 測試及每月成效報告。廣告費由你直接付給各平台,另計,建議每月 HK$1,000 起。Google, Facebook, Instagram, YouTube and other common platforms: ad account setup, conversion tracking, audience targeting, ad creatives, A/B testing and a monthly results report. Ad spend is paid by you directly to each platform, separately; we suggest from HK$1,000 a month.

SMS 短訊系統SMS system

HK$2,500 起From HK$2,500

驗證碼、訂單及預約提醒、設備警報及雙向短訊,接駁你的網站或系統。可用 GSM 數據機加本地電話卡,或短訊平台。短訊費另計。One-time codes, order and booking reminders, equipment alarms and two-way SMS, connected to your website or system — via a GSM modem with a local SIM, or an SMS gateway. Message fees extra.

寄存及更新Hosting & updates

每月 HK$300 起From HK$300 / month

寄存、https、每日備份、產品及內容更新、小修改。Hosting, https, daily backups, product and content updates, small changes.

唔肯定要邊樣?WhatsApp 講低你盤生意,我會建議最慳錢嘅做法。Not sure what you need? Tell me about your business on WhatsApp and I will suggest the most economical option. +852 6744 2183

項目案例Case studies

以下系統均由本人獨立開發。Each of the following systems was developed independently.

一刻 PETS 寵物用品網店一刻 PETS pet supplies shop

網上商店及 IG 自動化・營運中Online shop & Instagram automation · In operation

自家營運的寵物用品網店:產品分類及搜尋、購物車、FPS/PayMe 付款及訂單後台。每件新產品自動生成 IG 圖文並發佈到 Instagram;結帳時可揀全港順豐站及自助櫃,並設滿額免運費。A pet supplies shop I run myself: categories and search, cart, FPS / PayMe payment and an order back office. Every new product gets Instagram images and a caption generated and published automatically; at checkout customers pick any SF Express station or locker in Hong Kong, with free shipping above a set amount.

Node.js · Express · SQLite · Puppeteer · Instagram Graph API

殯儀服務單頁網站Funeral services one-page site

服務行業接客網站・示範Lead-generation site for a service business · Demo

為服務行業而設的單頁網站:套餐及收費、辦理流程、政府收費及常見問題一頁睇晒;手機底部固定「致電」及「WhatsApp」掣,客人一打開就可以查詢。A one-page site for a service business: packages and prices, the process, government fees and FAQs on a single page, with call and WhatsApp buttons pinned to the bottom on phones so visitors can enquire straight away.

HTML · CSS · JavaScript · Mobile-first

Drum Buddy

網上商店及會員平台・營運中Online shop & membership platform · In operation

鼓譜銷售及網上練習平台:樂譜隨音樂同步捲動,支援變速及循環播放。系統涵蓋商店、網上收款、會籍、內容保護及管理後台。A drum score shop and online practice platform: the score scrolls in sync with the music, with variable speed and looping. The system covers the shop, online payments, memberships, content protection and back-office administration.

Vue 3 · Node.js · PostgreSQL · Web Audio · PayPal

drum-buddy.com

作文辨識與評分工具Essay extraction & grading

AI 文件處理AI document processing

上載作文相片或 PDF 後,系統辨識文字並提供評分、優缺點分析及修改建議,供教師覆核。After an essay is uploaded as a photo or PDF, the system extracts the text and provides a score, an analysis of strengths and weaknesses, and suggested revisions for the teacher to review.

Node.js · Express · Google Gemini API

GitHub 原始碼Source code on GitHub
夾公仔機手機介面:即時影像、方向鍵及落爪掣,以及輪候名單

遠端控制夾娃娃機Remote-controlled claw machine

即時影像及硬件控制Live video & hardware control

用戶透過瀏覽器觀看即時影像並操控真實機台。系統處理輪候、逾時及代幣扣減,指令經伺服器傳送至機台旁的控制器。Users operate a physical machine from the browser while watching a live feed. The system manages queueing, time-outs and token deduction, relaying commands through the server to a controller at the machine.

Node.js · WebSocket · WebRTC · Raspberry Pi

GitHub 原始碼Source code on GitHub

合作流程Process

每個階段均提供可供試用的版本。A working version is delivered for review at every stage.
  1. 需求分析Requirements了解業務及目標,建議可行方案。Understand the business and its objectives, then propose a workable solution.
  2. 書面報價Written quotation列明範圍、階段、時間及費用。Scope, stages, schedule and fees set out in writing.
  3. 分階段開發Staged development每階段提供測試網址供試用。A test address is provided at each stage for review.
  4. 上線及跟進Launch & follow-up部署、設定備份,之後可按月寄存及更新。Deployment and backups, then optional monthly hosting and updates.

歡迎聯絡,洽談您的項目需求Get in touch to discuss your project

+852 6744 2183

歡迎初創企業、中小型商戶及任何需要 IT 解決方案的機構查詢。Enquiries from start-ups, small and medium-sized businesses, and any organisation in need of an IT solution are welcome.

致電CallInstagramGitHub