Jiayin.

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We Craft Purpose-Driven Web & Mobile Experiences

Get in touch
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About me

Need a Creative Product? I can Help You!

Hi, I’m Jiayin Li — a full-stack developer with a passion for transforming ideas into smart, user-friendly digital products. I specialize in building elegant, high-performance web applications that combine functionality with creativity. I thrive in both solo and team environments, bringing a collaborative spirit, strong communication skills, and a commitment to clean, scalable code. Always eager to explore new technologies, I continuously push boundaries to deliver work that not only meets expectations — but exceeds them.

My skills

What I Bring to the Table

I build responsive, intuitive interfaces and powerful backend systems using modern technologies. My focus is on creating seamless user experiences while writing maintainable, performance-optimized code.

  • Python
    Python
  • JavaScript / TypeScript
    TypeScript
  • Dart
    Dart
  • SQL
    SQL
  • C++
    C++
  • React
    React
  • Next.js
    Next.js
  • Flutter
    Flutter
  • FastAPI
    FastAPI
  • Flask
    Flask
  • Node.js
    Node.js
  • LangChain / OpenAI
    OpenAI
  • AWS (Lambda, ECS, S3)
    AWS
  • Firebase & Firestore
    Firebase
  • PostgreSQL
    PostgreSQL
  • Docker
    Docker
  • Git & GitHub
    Git
  • Celery & Redis
    Redis
  • WebSockets
    WebSockets
  • CI/CD & GitHub Actions
    GitHub Actions
  • Postman
    Postman
  • Figma
    Figma
  • FlutterFlow
    FlutterFlow Badge
  • JIRA
    JIRA
  • REST & GraphQL APIs
    GraphQL

Contact

Have You Any Project? Please Drop a Message

Get in touch and let me know how i can help. Fill out the form and i’ll be in touch as soon as possible.