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I will fix react javascript node js and mern bugs
Deepak J
About this gig
is your React, JavaScript, Node.js or MERN application showing errors or not working correctly?
I will identify and fix frontend, backend, API, database and responsive-design issues in your existing web application.
Services include:
- React component and rendering errors
- JavaScript functionality issues
- Node.js and Express API errors
- MongoDB connection and CRUD issues
- Forms and validation problems
- Authentication errors
- Responsive-design fixes
- Deployment and configuration issues
Please message me with the error details and source-code information before placing an order.
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Get to know Deepak J
Deepak J
Building Modern Websites and Web Applications
- FromIndia
- Member sinceJul 2026
Languages
Tamil, English, Malayalam
Hi, I am Deepak, a Full Stack Web Developer specialising in React.js, Node.js, Express.js and MongoDB. I help individuals, startups and businesses build responsive websites, web applications, dashboards and REST APIs. My services include frontend development, backend development, database integration, authentication, API integration, bug fixing and deployment. My portfolio includes a quiz management platform, bus booking application and subscriber management API. I focus on understanding client requirements, writing organised code, providing clear updates and delivering reliable solutions.
FAQ
What information do you need to start?
Please provide the error message, screenshots, steps to reproduce the problem, source code or repository access, and details about the expected behaviour.
Can you work on an existing React or MERN project?
Yes. I can review and fix issues in existing React, JavaScript, Node.js, Express.js, and MongoDB applications.
Can you fix every bug?
I will first review the issue and confirm whether it is within my expertise. Please contact me before ordering for complex problems.
What is included in a revision?
A revision covers adjustments related to the originally agreed bug. A different bug, new feature, or additional functionality may require an extra charge.
Can you fix authentication and API issues?
Yes. I can troubleshoot login, registration, token authentication, API requests, validation, error handling, and database-related issues.
Do you provide urgent bug fixing?
Yes, when availability permits. Select Extra Fast Delivery only after I confirm that the issue can be completed within the requested time.
Will you deploy the corrected application?
Deployment support can be provided when included in the agreed package or custom offer. The buyer must provide the required hosting access.
Will my source code remain private?
Yes. I will use the source code only to complete the agreed work and will not share it with others.
