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I will fix bugs or add features in your react project
John K
About this gig
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.
Get to know John K
John K
Full Stack Web Developer React Spring Boot Nodejs
- FromGreece
- Member sinceJun 2023
Languages
English, Greek
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!
Other Software Development Services I Offer
FAQ
Can you work with both frontend and backend issues?
Yes, I’m experienced in full stack development with React (frontend) and Spring Boot or Node.js (backend).
What do you need from me to get started?
Please share a short description of the issue, relevant code access (GitHub, zip), and any error messages if available.
