DEV · ZUNYUN WEICHUANG

Custom software that fits your workflow

From mobile apps to APIs and backend systems—built for maintainability and growth.

Since 2015

Xi’an HQ · Serving China and overseas Chinese businesses

Core stack

iOS, Android, Mini Programs, Vue, PHP, Go, MySQL, Redis, API

Site: zunyun.cc

One-to-one delivery · Dedicated team follow-through

Services

Mobile, APIs, and system upgrades

APP Development

iOS / Android native or cross-platform

Plan features and architecture for real business scenarios. We ship maintainable apps with a clear MVP-to-iteration path—not a black-box handoff.

  • Requirements & prototyping
  • Native / cross-platform choice
  • Accounts & API integration
  • Push/payment capability review
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Mini Program

WeChat and other platforms

Lightweight apps for acquisition and service loops—commerce, booking, showcase and membership—with compliance and an operable admin in mind.

  • Custom pages & components
  • Login & payment integration
  • Subscribe messaging review
  • Admin & content config
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API Development

Integrations & data services

Stable, documented APIs for SPAs, mobile and third parties—with auth, rate limits, logging and smooth joint debugging.

  • API modeling & conventions
  • Auth, ACL & rate limits
  • Error codes & versioning
  • Docs & sample calls
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Vue Frontend

Admin & complex UI

Vue-based dashboards and consoles with permissioned routing, dense tables/forms and maintainable components.

  • Componentized layouts
  • Routes, menus & permissions
  • Tables, forms & filters
  • Charts & dashboards
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PHP Backend

Business systems & APIs

Reliable PHP backends for enterprise systems and content platforms—modeling, schema, queues, security and performance.

  • Domain modeling
  • Database design
  • Business APIs & ACL
  • Queues & schedulers
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System Customization

Extend and modernize existing systems

Assess code and architecture first, then add modules, integrations and hardening—with controlled risk and rollback plans.

  • Architecture assessment
  • Scope & risk notes
  • Feature extensions
  • Third-party integrations
Learn more →

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DEV · ZUNYUN

Need custom development? Let’s clarify first

Share your goals and current systems—we’ll propose a feasible plan and timeline.