I will fix bugs or add features in your react project

J
johnkanl
J
johnkanl
John K
Alcune informazioni sono riportate in lingua inglese.

Informazioni su questo servizio

Is your app crashing or not working as expected?


I will **fix bugs or add features** to your existing project built with **React**, **Java Spring Boot**, or **Node.js**. Whether it's a small frontend issue or a backend error, Ill help you get back on track fast.


Technologies I work with:

- React.js (functional components, hooks)

- Java Spring Boot (REST API, JPA, Security)

- MongoDB / MySQL / PostgreSQL

- Node.js & Express (optional)


️ I can help with:

- UI/UX bugs

- API & database issues

- Adding new pages, forms, or endpoints

- Authentication & state issues

- Performance improvements


Contact me before placing an order so I can assess the issue and give you a custom solution.

Scopri di più su John K

John K

Full Stack Web Developer React Spring Boot Nodejs

  • DaGrecia
  • Membro dagiu 2023
  • Lingue

    Greco, Inglese
I’m a full stack developer with experience in modern web and mobile technologies like React, React Native, Node.js, and Java Spring Boot. I specialize in building fast, scalable and secure applications — from landing pages to full production systems. Let’s bring your idea to life!

Altri servizi della categoria Sviluppo di software offerti da me