Skip to content
Email me

Your tech, set up right.

I build servers, websites and AI tools for small businesses. I set them up, secure them and keep them running. It's just me, and you can actually reach me.

Next step: email me for a free quote. Clear scope and a fixed price before any work starts.

  • Pittsburgh, PA, working remotely nationwide
  • English, 中文, Español
A home office with a laptop and a small server, the Pittsburgh skyline at dusk outside the window

Five things I set up, secure and keep running.

  • Server & VPS setup

    • Cloud servers: Oracle Cloud, AWS and others
    • Linux setup and security hardening
    • Domains, DNS, SSL/HTTPS
    • Cloudflare
  • Websites

    • Business websites and landing pages
    • Hosting and custom domain
    • Ongoing updates and maintenance
  • AI tools & automation

    • I connect AI tools to your business: chatbots, voice assistants, AI APIs
    • Self-hosted open-source apps
    • Automations that save time
  • AI voice agents & phone answering

    An AI voice assistant that answers your calls and questions 24/7. It takes messages and bookings, and it speaks English and Chinese.

  • WeChat Official Account

    Setup, content and operation for businesses that want to reach Chinese-speaking customers.

From a short email to a system that keeps running.

  1. Tell me what you need

    Start

    A short email is enough.

  2. Free quote

    Free

    Clear scope and a fixed price before any work starts.

  3. Build & launch

    Launch

    I set it up and walk you through it.

  4. Ongoing support

    Optional

    Optional monthly maintenance so things keep running.

One person, fixed prices, two languages.

  • One point of contact

    No agencies or ticket queues

  • Fixed quotes

    No surprise bills

  • Bilingual

    English and Mandarin Chinese

  • Low-cost options

    Built on free and open-source tools where possible

  • Local to Pittsburgh

    Available remotely anywhere in the US

Send a short email to get started.

hello@caijia.dev

Usually replies within one business day.

Email me about your project

Ready to get started?

Clear scope and a fixed price before any work starts.