I will fix react next js node js web application bugs


About this gig
Are you facing bugs, errors, crashes, or performance issues in your website or web application? You're in the right place!
I'm a Full-Stack Developer specializing in React.js, Next.js, Node.js, Express.js, JavaScript, MySQL, PostgreSQL, and Firebase. I provide clean, reliable, and production-ready solutions.
I can help with:
React.js & Next.js bug fixes
Node.js & Express.js backend issues
REST API development & integration
JWT & Firebase authentication
MySQL, PostgreSQL & Firebase database fixes
Responsive UI & Tailwind CSS issues
CORS, deployment & hosting problems
Performance optimization
Git/GitHub troubleshooting
Third-party API integration
Why choose me?
Fast bug diagnosis
Clean, maintainable code
Secure and scalable solutions
Clear communication
On-time delivery
Please contact me before placing your order so we can discuss your requirements and choose the best solution for your project.
Respect third-party rights
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Get to know Sameer Lakmal
Full Stack Developer
- FromSri Lanka
- Member sinceJul 2022
- Avg. response time1 hour
- Last delivery3 years
Languages
English
FAQ
What do you need to get started?
Please provide a description of the issue, your source code or GitHub repository, error messages (if any), and any required credentials or API documentation.
Which technologies do you support?
I work with React.js, Next.js, Node.js, Express.js, JavaScript, Tailwind CSS, MySQL, PostgreSQL, Firebase, REST APIs, and Git/GitHub.
Can you fix both frontend and backend issues?
Yes. I can troubleshoot and fix issues in both frontend and backend web applications, including APIs, databases, authentication, and deployment.
Do you provide deployment support?
Yes. I can help deploy your application, configure hosting, fix deployment errors, and resolve environment or server-related issues.
