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Fiverr Pro
English
$
USD
I will fix bugs in html, css, js, nodejs, firebase, stripe or paypal
Adam K
About this gig
Is a stubborn bug breaking your layout? Are your Stripe/PayPal payments failing, or is Firebase or Google Auth giving you errors?
I will analyze, troubleshoot, and fix issues across your web development stack. I focus on finding the root cause of the error so your site runs smoothly.
What I can fix:
- Frontend: HTML, responsive CSS/Tailwind, and JS console errors.
- Backend: Node.js, Express routing, and broken APIs.
- Firebase & Auth: Google Authentication, DB rules, and SDK errors.
- Payments: Stripe & PayPal integrations and failed webhooks.
Supported Stack:
- HTML5, CSS3, JavaScript (ES6+)
- Node.js & Express
- Firebase (Auth, Firestore)
- Google Auth / OAuth
- Stripe & PayPal APIs
How it works:
- Message me first: Describe the bug and share error logs/code.
- Analysis: I will review the issue and recommend a package.
- Fix & Delivery: I will resolve the bug and deliver clean code.
Please contact me before ordering to discuss technical details.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Adam K
Adam K
HTML, CSS, Website Bug Fixer
- FromPoland
- Member sinceJul 2025
Languages
English, Spanish
As a Front-End Developer at Dev Solutions, I specialize in comprehensive web development and technical troubleshooting. I construct complete web interfaces and resolve structural code defects with precision.Professional web development (HTML5, CSS3, JavaScript)Advanced WordPress diagnostic and remediation servicesCross-device responsive design optimizationComprehensive layout adjustments and bug rectificationAll solutions conform to strict engineering and design standards, ensuring rapid, compliant execution. Contact me to optimize your digital assets.
My Portfolio
FAQ
Should I contact you before ordering?
Yes, please. Every bug is unique. Discussing the details first ensures that I can support your specific tech stack and helps us choose the most accurate package for your needs.
What information or access do you need to start?
Please provide a description of the bug, steps to reproduce it, and any error logs. Depending on the issue, I may also need temporary access to your code repository (GitHub) or hosting platform.
Is it safe to debug my Stripe or PayPal integration?
Absolutely. We will use sandbox/test mode API keys and credentials to debug the payment and webhook flows safely. This ensures your live customers and actual funds are never affected.
What if the bug cannot be fixed?
If the issue cannot be resolved due to third-party platform limitations or external API restrictions, I will explain the situation clearly, cancel the order, and you will receive a full refund.
