I will software and website and app and ai and saas

L
luckyandrich
L
luckyandrich
ZhangKun
software and website and app and ai and saas
Full Screen
software and website and app and ai and saas
Full Screen
Full Screen
software and website and app and ai and saassoftware and website and app and ai and saassoftware and website and app and ai and saas

About this gig

Looking for a reliable Software Engineer to build your AI SaaS, website, or cross-platform app? You've come to the right place!

I am a Computer Science graduate and an experienced Software Development Engineer. I specialize in full-stack development, AI integrations, and building scalable, production-ready applications.

My Core Services:

  • Full-Stack Web Development (React, Node.js, Python, FastAPI)
  • AI & LLM Integration (OpenAI API, LangChain, RAG, AI Agents)
  • Cross-Platform Mobile Apps (React Native, Flutter)
  • REST API Development & Third-Party Integrations (Stripe, Shopify, etc.)
  • Database Design & Management (PostgreSQL, MySQL)

Why Choose Me?

  • Clean, maintainable, and well-documented code.
  • Transparent progress updates and fast communication.
  • End-to-end support: from architecture design to deployment.

Whether you need to fix a bug, build an AI chatbot, or launch a full SaaS MVP, I am here to help. Please send me a message before placing an order so we can discuss your project scope and ensure the best results!

Let's build something great together.

  • Programming language

    • Java

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Design
    • Databases
    • Source control

  • Frontend framework

    • Bootstrap
    • Flutter
    • jQuery
    • React.js
    • Vue.js

  • Backend framework

    • Django
    • Flask
    • Node.js
    • Spring
    • Spring Boot

  • AI & low/no code builders

    • Claude
    • Cursor
    • FlutterFlow
    • Webflow
    • Oracle APEX

Get to know ZhangKun

ZhangKun

FullStackSoftwareDeveloper

  • FromChina
  • Member sinceOct 2026

  • Languages

    Chinese, English, French, Japanese
I am a skilled Software Development Engineer with a degree in Computer Science and Technology. I specialize in building robust web applications, desktop software, and AI-driven solutions. My expertise includes full-stack development, database management, and system architecture. I have experience developing websites, executable programs (exe), system tools, mobile apps, mini-programs, and games, as well as cutting-edge AI solutions like RAG systems and AI agents. I am dedicated to delivering high-quality, scalable code and excellent user experiences.

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