I will fix javascript and firebase web app bugs


About this gig
Is a JavaScript or Firebase bug stopping your web application from working correctly?
I will investigate and fix clearly defined issues in your existing web application.
I can help with:
- JavaScript errors and broken functionality
- Firebase Authentication and login issues
- Cloud Firestore queries, reads, writes, and permissions
- Firebase security-rule problems
- HTML and CSS layout issues
- Responsive-design bugs
- Forms and validation errors
- Browser compatibility issues
- Firebase Hosting or GitHub Pages deployment problems
You will receive:
- A tested and maintainable fix
- Clear communication throughout the order
- An explanation of the issue and solution
- Documentation according to your selected package
This Gig covers existing projects built mainly with JavaScript, HTML, CSS, Bootstrap, and Firebase.
Please contact me before ordering with the error message, screenshots, project details, and expected result so I can confirm the correct package.
Never send passwords, recovery codes, private keys, or other sensitive credentials.
Get to know Sourav M.
JavaScript and Firebase Web Developer
- FromBangladesh
- Member sinceSep 2020
- Avg. response time1 hour
- Last delivery4 years
Languages
Bengali, English, Hindi
FAQ
What information do you need before starting?
Please provide the error message, screenshots, steps to reproduce the issue, relevant project files, technologies used, and the expected result.
Do you work with React, Next.js, or other frameworks?
My main service covers JavaScript, HTML, CSS, Bootstrap, and Firebase projects. Please contact me before ordering if your project uses another framework.
Can you guarantee that every bug will be fixed?
I will review the issue before accepting the order. Some problems may depend on missing source files, third-party services, or inaccessible infrastructure.
Do you need my Google or Firebase password?
No. Never send passwords, recovery codes, or private keys. Limited repository or Firebase project access may be requested when necessary.
Does this Gig include building a complete website?
No. This Gig is for fixing clearly defined bugs in an existing application. New features or complete applications require a custom offer.

