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I will fix PHP, laravel, yii, or custom web application bugs
Muzammil
About this gig
Having issues with your PHP, Laravel, Yii, or custom web application?
I will help you debug, troubleshoot, and fix bugs in your PHP, Laravel, Yii2, or custom backend system quickly and professionally.
Whether your website is broken, showing errors, API is failing, payment gateway is not working, or backend functionality is causing issues, I can help identify and resolve the problem.
Services I provide:
- PHP bug fixing
- Laravel bug fixing & debugging
- Yii / Yii2 issue resolution
- Backend troubleshooting
- API debugging & fixes
- Database-related bug fixing
- Authentication & login issues
- Admin panel and dashboard fixes
- Payment gateway issues (Stripe, PayPal, WooCommerce)
- Composer dependency and package issues
- AJAX, jQuery and JavaScript issue fixing
- Performance and backend optimization
Technologies I work with:
- PHP
- Laravel
- Yii / Yii2
- MySQL / MariaDB
- JavaScript / jQuery
- Bootstrap
- REST APIs
Why choose me?
- 3+ years of professional backend development experience
- Real production experience with PHP & Yii2 applications
- Strong debugging and root-cause analysis skills
- Clean, scalable, and maintainable fixes
- Fast communication and on-time delivery
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 Muzammil
Muzammil
Code, Build, Scale
- FromPakistan
- Member sinceOct 2021
- Last delivery2 months
Languages
Urdu, English, German, Spanish
I’m a PHP Backend & Full-Stack Developer with 4+ years of experience building secure, scalable, and high-performance web applications.
My expertise includes:
• PHP, Laravel & Yii2 development
• MySQL, PostgreSQL & SQL Server databases
• Database design, ERDs, query optimization & performance tuning
• REST APIs, MVC, SaaS & third-party integrations
• WordPress & WooCommerce development and optimization
• Bug fixing, debugging, and backend performance improvements
I focus on clean, maintainable code and reliable solutions tailored to your business needs.
Best regards
Muhammad Muzammil
My Portfolio
FAQ
What technologies and frameworks do you support?
I work with PHP, Laravel, Yii/Yii2, MySQL, MariaDB, JavaScript, jQuery, Bootstrap, REST APIs, and custom PHP web applications. I can troubleshoot both frontend-related issues and backend system problems.
What type of bugs can you fix?
I can help fix a wide range of issues, including: PHP errors and warnings Laravel bugs and exceptions Yii / Yii2 issues Database-related problems API failures and debugging Login/authentication issues Payment gateway problems (Stripe, PayPal, WooCommerce) AJAX/jQuery issues Admin panel bugs
What do you need before starting?
Please share: a clear description of the issue screenshots or error messages access details (if needed) project files or Git repository access (optional) steps to reproduce the bug
Can you fix urgent or production issues?
Yes. I understand that broken websites and backend systems can impact business operations. For urgent issues, please message me before ordering so I can confirm availability.
Do you work on custom PHP applications?
Yes. I work with custom PHP systems, Laravel applications, Yii/Yii2 platforms, admin panels, APIs, dashboards, e-commerce systems, and business portals.
Can you fix payment gateway or checkout problems?
Yes. I have experience troubleshooting Stripe, PayPal, WooCommerce, webhooks, payment flows, callback issues, and checkout-related bugs.
Can you work on existing codebases?
Yes. I regularly work on existing applications, legacy systems, and production projects. I can debug, understand existing architecture, and implement fixes without breaking existing functionality.
Should I contact you before placing an order?
Yes, especially for large systems, complex bugs, production environments, or urgent fixes. I can review the issue and recommend the best package.
Do you also optimize performance or databases?
Yes. I can troubleshoot slow queries, backend bottlenecks, database issues, API performance, and optimization-related problems when needed.
