I will fix nodejs express rest API and backend errors


About this gig
Are you facing Node.js, Express.js, or REST API errors in your existing backend application?
I'm a Full Stack Developer with 12+ years of professional software development experience, working with Node.js, Express.js, TypeScript, JavaScript, REST APIs, and databases.
What I can help you fix:
- Node.js and Express.js errors
- REST API request and response issues
- Authentication and authorization bugs
- Middleware and routing problems
- MySQL and PostgreSQL connection errors
- Async/await and Promise issues
- JSON and API validation errors
- Backend integration problems
- Server-side error handling
Why choose me?
- 12+ years of software development experience
- Experience with enterprise applications
- Clean and maintainable code
- Clear communication and careful testing
My process:
- Review the issue.
- Identify the root cause.
- Implement the agreed fix.
- Test and deliver the changes.
Please contact me before ordering to confirm the issue, scope, and delivery time.
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Get to know Ashraful
Full Stack Developer Angular Nodejs PHP MySQL
- FromBangladesh
- Member sinceFeb 2020
- Avg. response time1 hour
- Last delivery4 years
Languages
Bengali, English
FAQ
Can you fix errors in an existing Node.js application?
Yes. I can investigate issues in existing Node.js and Express applications, including API, middleware, database connectivity and server-side errors.
Can you fix authentication and JWT issues?
Yes, subject to reviewing the implementation. I can troubleshoot legitimate authentication and authorization errors within your application.
Can you fix MySQL or PostgreSQL connection issues?
Yes. I can review application configuration, database connectivity and query-related issues within the agreed scope.
What information do you need?
Please share your Node.js version, framework details, error logs, reproduction steps and source-code access through a suitable secure method.
Can you fix production server issues?
I can investigate supported backend issues. Production access, infrastructure changes and deployment work require separate scope confirmation.
What if the error needs more work than the selected package?
I will review the issue and discuss an appropriate custom offer before beginning additional work.

