Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix react full stack bugs and ai API integrations
Kondwani C
About this gig
Are React, Firebase, FastAPI, or AI integration bugs blocking your launch? We'll troubleshoot the root cause and ship a reliable fix, so your app works again.
What we can fix
- React and TypeScript errors
- Firebase Auth, Firestore, rules, config issues
- FastAPI and Python backend bugs
- REST API integration and frontend-backend connection issues
- OpenAI, Gemini, Vertex AI integration problems
- Deployment, environment variables, build errors
- Broken features and unexpected app behavior
To start, send
- Error message/logs, steps to reproduce, and repo access (if possible)
Message us before ordering for complex or multiple issues.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Kondwani C
Kondwani C
- FromZambia
- Member sinceFeb 2018
- Last delivery1 year
Languages
English
AI & Full-Stack Developer specializing in React, TypeScript, Firebase, FastAPI, and Python, with strong experience integrating AI using OpenAI, Gemini, and Vertex AI. We build and troubleshoot modern web apps, focusing on stable APIs, secure authentication, clean database design, and reliable deployments.
Clients hire us to fix bugs fast, connect frontend and backend systems, improve Firebase apps, and add practical AI features. We keep communication clear, explain the root cause, and deliver clean fixes you can maintain.
My Portfolio
FAQ
1. What types of bugs can you fix?
I can fix issues in React, TypeScript, Firebase, FastAPI, Python backends, REST APIs, Gemini AI, Vertex AI, OpenAI integrations, authentication, databases, and frontend-to-backend connections.
2. Can you fix AI-generated or vibe-coded applications?
Yes. I can troubleshoot and fix applications created with AI coding tools, including broken APIs, Firebase issues, authentication problems, backend errors, TypeScript errors, and deployment problems.
3. Do I need to contact you before placing an order?
For simple bugs, you can order directly. For complex issues, multiple bugs, deployment problems, or full application troubleshooting, please contact me first so I can recommend the correct package.
4. What information do you need to start?
Please provide a clear description of the problem, screenshots or error messages, the technologies being used, and access to the relevant source code or repository when required.
5. Can you work with an existing project?
Yes. I can work with existing React, Firebase, FastAPI, Python, and AI-powered applications without rebuilding the entire project.
6. Can you integrate Gemini AI or Vertex AI into my application?
Yes. I can help integrate Gemini AI, Google Vertex AI, AI APIs, structured AI responses, document processing, and other AI-powered features into existing applications.
7. What if my problem is not listed in your Gig?
Send me a message explaining the issue. If it is within my technical scope, I can recommend the most suitable package or create a custom offer.
