I will fix convex backend, database, API and realtime issues

F
famoussheet
F
famoussheet
Alex
fix convex backend, database, API and realtime issues
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fix convex backend, database, API and realtime issues

About this gig

Having issues with your Convex backend or real-time database? I help developers fix Convex backend, database, API, and authentication problems to keep web apps running smoothly.


What I can fix:


  • Convex backend errors
  • Database and schema issues
  • Queries and mutations
  • Authentication and user sessions
  • Real-time sync problems
  • API integration
  • Next.js & React integration
  • Environment variable issues
  • Deployment errors
  • Performance optimization


Why choose me?


  • Specialized in modern backend technologies
  • Clean, scalable solutions
  • Fast communication
  • Thorough testing
  • Production-ready fixes


 Contact me before ordering so I can review your project and recommend the best solution.

  • Programming language

    • JavaScript

  • Expertise

    • Algorithms & Data structures
    • Performance
    • Security
    • Databases

  • Frontend framework

    • Next.js
    • React.js

  • Backend framework

    • Node.js

Get to know Alex

Alex

Full Stack Developer and Web Mobile App Specialist

  • FromUnited Kingdom
  • Member sinceFeb 2026

  • Languages

    English, German, Spanish
I am a full-stack developer focused on building scalable web and mobile applications. I create modern, user-friendly frontends and set up reliable backends using tools like Supabase, along with API integrations and custom systems tailored to your needs. From idea to deployment, I deliver clean, efficient, and dependable solutions that help businesses launch, automate, and grow with confidence.

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