Software Development Services
Custom software development: websites, AI tools, LINE bots, automation and more
All custom projects are quoted based on actual needs and effort — feel free to message me
Front-end & back-end, database design, API integration, cloud deployment
Build a bespoke website and admin system from scratch — members, payments, data management and other complex logic — with deployment and ongoing maintenance.
ChatGPT / Claude / Gemini API integration, RAG knowledge base, custom AI assistants
Build bespoke AI applications: knowledge-base Q&A, auto-reply bots, AI document and content workflows.
LINE Messaging API, auto-reply, rich menus, CRM integration
Build LINE official-account bots with smart conversation, auto-push and form collection, connected to your backend or spreadsheets for automated customer management.
Make / n8n / Zapier / Google Apps Script automation
Connect SaaS tools and APIs into hands-off workflows that cut repetitive manual work and let the system work for you.
What I can do for you
From design and development to launch — pick what you need. Common website packages and starting prices are shown below.
- ▹UI/UX flow & layout planning
- ▹Figma visual design & design system
- ▹Responsive (RWD) adaptation
- ▹One-page landing / campaign pages
- ▹Multi-page brand websites
- ▹Custom website setup & feature development
- ▹Cart & member system
- ▹Order & inventory admin
- ▹Payment & logistics (ECPay / Line Pay)
- ▹Static markup (HTML / CSS / JS)
- ▹Vue / React dynamic front-end
- ▹Responsive cross-device adaptation
- ▹Hosting & domain setup
- ▹HTTPS / SSL certificates
- ▹Basic SEO setup
SEO audit & search-friendly structure
Tracking setup & data dashboards
Language switching to reach global markets
Conversion goals & user-behavior reports
Custom forms, booking, calendar sync, email notifications, etc.
Custom features on Wix, Shopify and more
SEO audit & search-friendly structure
Tracking setup & data dashboards
Language switching to reach global markets
Conversion goals & user-behavior reports
Custom forms, booking, calendar sync, email notifications, etc.
Custom features on Wix, Shopify and more
Optional services you can add; cost is quoted together after assessment.
| Add-on | Description |
|---|---|
| Domain & hosting | Domain registration, basic hosting, HTTPS SSL certificate |
| Advanced commercial SSL | Only needed for special business requirements |
| SEO setup | Keyword optimization, sitemap, meta tags |
| Google Analytics install | Traffic tracking setup |
| Multi-language switch | Add English / Japanese versions (translation copy not included) |
Extendable advanced features, quoted per project needs.
| Add-on | Description | Works with |
|---|---|---|
| Animations | Basic Lottie animation; WebGL interactions quoted separately | Fully custom site |
| Member system | Sign-up / login (Firebase or basic backend) | WordPress / multi-page site |
| LINE integration | Official account binding, LINE Login or Messaging API | Campaign page or e-commerce |
| Payment integration | ECPay / Line Pay etc. (contract fees excluded) | E-commerce or booking sites |
| GTM conversion tracking | Conversion goals & event tracking (incl. basic report reading) | All site types |
| Heatmap tools | Hotjar or Microsoft Clarity setup | All site types |
| Third-party data integration | Integrate external data (e.g. Google Calendar, live exchange rates, maps) | Fully custom site / WordPress |
| Automation integration | Automated notifications & cross-platform (e.g. LINE Notify, SMS, Slack) | Fully custom services |
| Advanced forms | Multi-step forms, file upload, conditional logic | Fully custom site / WordPress |
| Booking system | Online time-slot booking (incl. Google Calendar sync) | Service-type sites |
| Automated email | Custom email templates + SendGrid / Mailchimp | Membership sites |
| Wix extensions | Custom code embedding, database integration, etc. | Wix sites |
| Shopify customization | Theme edits, checkout optimization, etc. | Shopify |