I will build a custom react web app with a fastapi backend


Sobre este Serviço
Need a web app built around your workflow? I can develop a React interface and a Python FastAPI backend for dashboards, internal tools and focused MVP features.
We start by defining the screens, data and user actions your app needs. You receive source code and setup instructions, with the features and testing agreed before development.
Depending on the package, the scope can include:
- Responsive React screens
- FastAPI endpoints and database integration
- Form validation and error handling
- A documented handover
Each package covers a clearly defined feature set. Hosting, paid APIs, third-party subscriptions, complex payment flows and ongoing maintenance are quoted separately. Authentication is included only when explicitly scoped.
Send me your brief, sketches or existing repository before ordering so I can confirm the right scope and delivery time.
Respeite os direitos de terceiros
Esteja atento ao fato que é contra as políticas do prestador da Fiverr incluir temas, modelos ou outros elementos no trabalho entregue que infrinjam os direitos de terceiros ou leis aplicáveis. Leia mais em nosso Guia de Criação Digital Responsável.
Conheça mais sobre Matthew
Web Apps, IOS Native Apps, Embedded Firmware, Siemens PLC and 3D CAD
- A partir deItália
- Membro desdemai. de 2026
- Responde em aprox.:1 hora
Idiomas
Inglês, Espanhol
Perguntas frequentes
Will I own the code?
Yes — full ownership, no licensing strings attached. You get the source code on delivery and instructions to run it yourself.
What if I need changes after delivery?
Each tier includes revisions during the build. After delivery, small fixes are free for 14 days. Bigger changes can be a new order or hourly engagement.
Do you sign NDAs?
Yes, no problem. Send me yours before we discuss the project, or I can use a standard mutual NDA. Communication stays on Fiverr until both parties agree otherwise.
What's the difference between the Standard and Premium tiers?
Standard gives you a working app with backend, frontend, auth and a Docker config — you handle deployment. Premium includes everything plus Stripe payments, full deployment to your hosting with CI/CD, and proper documentation. Premium is the right choice if you're launching to real users.
How fast do you reply?
Within a few hours during EU working hours (8:00–21:00 CET). Outside those hours, within 24h max. If a project is urgent, mention it in your first message.
Is hosting included?
No. Deployment can be scoped separately; hosting and subscriptions are paid by the client.
Can you improve an existing app?
Yes, after reviewing the relevant code and reproducing the requested issue or feature.
What counts as a revision?
An adjustment within the agreed requirements. New screens or features require a scope update.

