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I’m looking for an experienced web developer to fix bugs and technical issues on an existing website. The work may include: Fixing frontend and backend bugs Resolving layout and responsive issues Fixing broken functionality Debugging JavaScript/PHP issues Fixing forms, buttons, links, and other website errors Testing the fixes across desktop and mobile You should be able to identify the root cause of issues and implement clean, reliable fixes without affecting existing functionality. Requirements: Strong web development and debugging experience Experience with HTML, CSS, JavaScript and PHP Good problem-solving skills Ability to start soon Please share a brief example of similar bug-fixing work you have completed
Project ID: 40729892
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Hi I’ve reviewed “Experienced Web Developer for Site Optimization” and your requirements match my experience with PHP, JavaScript, CSS, Website Testing, HTML, Debugging, Web Development, Backend Development, Frontend Development, Website Optimization. I can help you build this properly and deliver a reliable solution based on your requirements. Your stated budget looks reasonable for the scope, and I’d be happy to discuss the details and suggest the best approach. Could you share a little more about the project requirements and the main goal you’re looking to achieve? Best regards, Khadija Tul Kubra
$150 USD in 7 days
2.5
2.5
103 freelancers are bidding on average $114 USD for this job

Hello I can help diagnose and fix the bugs and technical issues on your existing website without disrupting functionality that is already working. I have experience debugging PHP, JavaScript, HTML and CSS across both frontend and backend systems, including responsive layouts, forms, APIs and database-driven functionality. I’m available to start soon and can first review the existing issues/codebase and provide a clear estimate for the required fixes. Best regards ADEEL
$90 USD in 7 days
8.1
8.1

Greetings, I see you're looking for an experienced web developer to tackle some bugs and technical issues on your website. I can help with that by thoroughly diagnosing the existing problems, whether they’re frontend or backend, and implementing reliable fixes that maintain the integrity of your site. With a solid background in HTML, CSS, JavaScript, and PHP, I've successfully resolved similar issues in the past. For example, I once worked on a project where I fixed broken forms and buttons while ensuring the site remained responsive across devices. My approach is to identify the root causes of the issues first, then apply clean solutions that enhance the user experience without disrupting current functionality. I’m ready to get started right away and help bring your site back to optimal performance. Best regards, Saba Ehsan
$200 USD in 3 days
7.7
7.7

Hi, I have strong experience with Php, Laravel and Code ignitor. I’ll develop robust and secure web application just the way you want. I can handle any updates you need. You can check my reviews to see the quality of my work, I will share my previous application in private chat. Lets connect in chat so that We discuss further. With Regards, Sai
$100 USD in 2 days
7.8
7.8

Hello, I checked your "Experienced Web Developer for Site Optimization" project description, it looks like the focus is on delivering a clean, responsive website that works well across all devices. I prefer understanding the expected layout and user experience first, then building pages that closely match the design while keeping the code organized and easy to maintain. Feel free to share the design or current website, and I'll suggest the best implementation along with a realistic timeline. Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$150 USD in 6 days
7.6
7.6

It sounds like your website is facing a mix of frontend and backend issues, like those that could stem from JavaScript or PHP errors, possibly affecting forms and links. I’ll start by inspecting the code, and I’ll identify the root causes of these bugs without disrupting the current functionality. I’ll focus on fixing layout and responsive issues, making sure everything works smoothly across both desktop and mobile. I can go ahead and have all the necessary fixes ready for you to test before you award the project or create a milestone; you’ll only pay once you’re satisfied with the results. So, I’m ready to start immediately and can complete this for $169, looking forward to helping you get your site back on track. Rajavel - Web Developer specializing in HTML, CSS, JavaScript, and PHP.
$169 USD in 5 days
7.7
7.7

Hi, I went through your project details and understand what you're looking to achieve. I'd be interested in working with you on this. Based on the requirements you've shared, I can handle the project from start to completion while keeping the work aligned with your expectations, timeline, and desired outcome. My approach is straightforward: first, I'll make sure the requirements and expected deliverables are clear. Then I'll complete the work in structured stages, share progress along the way, incorporate your feedback, and deliver the final work after everything has been reviewed. Before we begin, I have a couple of questions about your requirements that will help me understand the scope more accurately. Feel free to message me so we can discuss the details and determine the best way to move forward. Best regards, Anum
$250 USD in 1 day
6.9
6.9

Hello, I can start immediately to diagnose and fix frontend and backend bugs on your site. I have strong experience with HTML, CSS, JavaScript, and PHP, and I’ve resolved issues ranging from layout breaks to broken forms with reliable, maintainable fixes. My approach: reproduce the issue, trace the root cause, implement clean fixes, and verify across desktop and mobile with regression testing. I’ll ensure forms, links, and UI elements function correctly without introducing new issues. If you’d like, I can share brief examples of similar bug-fixing work upon request. Ready to begin today.
$120 USD in 3 days
7.0
7.0

Hello I can systematically audit and resolve your site’s frontend and backend bugs without disrupting existing functionality. With extensive experience in PHP, JavaScript, and responsive CSS, I will use browser developer tools and server logs to isolate root causes—fixing broken forms, scripts, and layout glitches reliably. Every patch will be thoroughly tested across desktop and mobile environments. Could you share the website URL and a list of the primary issues so I can review them directly? Best regards, Giáp Văn Hưng
$115 USD in 7 days
7.0
7.0

Hi,I’ll first reproduce each reported issue and trace the actual cause before changing code, whether it comes from PHP, JavaScript, CSS, forms or backend logic. I’ll fix the affected functionality without unnecessarily changing the existing site structure, then regression-test related pages to avoid introducing new issues. Responsive and layout problems will be verified across desktop and mobile, along with forms, buttons, links and interactive functionality. I can start immediately; please share the website URL and current issue list so I can review the affected areas and confirm the final scope.
$100 USD in 5 days
6.5
6.5

Hi, we have 9+ years of experience with PHP, JavaScript, HTML, CSS and full stack debugging. We’ve handled similar work involving broken forms, API issues, responsive layouts, frontend errors and backend bugs, while making sure existing functionality stays intact. Please share the website URL, known issue list and staging or code access, and we can reproduce the issues first, identify the root causes and fix them cleanly across desktop and mobile.
$140 USD in 7 days
6.6
6.6

Hi, I can help fix the bugs and technical issues on your existing website. I have strong experience with HTML, CSS, JavaScript, PHP, frontend/backend debugging, responsive issues, forms, buttons, and broken functionality. I’ll first identify the root cause, apply clean fixes, and thoroughly test everything on both desktop and mobile without breaking existing features. I’ve handled similar work involving PHP/JavaScript errors, responsive layout problems, broken forms and website functionality. I’m available to start soon and can begin by reviewing the current issues. Best, Steven
$200 USD in 5 days
6.6
6.6

Hi, I can take ownership of the existing website bugs by reproducing each issue, tracing the root cause across the frontend/backend, applying focused fixes and regression-testing the affected functionality without disturbing existing features. I’ll cover HTML/CSS responsiveness, JavaScript/PHP issues, forms, buttons, links and browser/device compatibility, then verify the fixes across desktop and mobile. Questione 1: Can you provide the existing source code/repository and a list of the currently known issues to start the debugging pass? Questione 2: What PHP framework/CMS and hosting environment is the backend currently using? Regards, Houssame.
$30 USD in 1 day
6.5
6.5

Hi, Your project to fix bugs and technical issues on an existing website is quite clear, especially the need to address frontend and backend bugs, layout issues, and broken functionality. I understand the importance of ensuring that these elements work seamlessly across both desktop and mobile platforms. One of the main challenges here will be accurately identifying the root causes of the issues, particularly in debugging JavaScript and PHP. My approach would be to conduct a thorough assessment of the current codebase to prioritize fixes that ensure stability and prevent future issues. This includes a systematic review of frontend and backend interactions to maintain the integrity of the site’s functionality. I have extensive experience in PHP and JavaScript, having worked on similar projects where I successfully resolved complex issues and improved website performance. Q1 – Could you specify which browsers and devices are most critical for testing the fixes? Q2 – Are there any specific sections of the website that are currently experiencing the most issues? Q3 – Is there a version control system in place to track changes and roll back if necessary? Looking forward to hearing from you.
$30 USD in 7 days
5.9
5.9

Greetings, I see you're in need of an experienced web developer to tackle some bugs and technical issues on your existing website. It sounds like you're looking for someone who can effectively address both frontend and backend problems, ensuring everything runs smoothly across different devices. My approach would involve first identifying the root causes of the issues, whether they stem from JavaScript, PHP, or layout problems, and then implementing reliable fixes that won’t disrupt your current functionality. In my previous work, I handled similar bug-fixing tasks, resolving issues with forms, buttons, and responsive design, which resulted in improved site performance and user experience. I’m confident in my ability to enhance your site effectively. Could you share more about the specific bugs or issues you've encountered so far? Best regards, Mehran Riaz
$220 USD in 5 days
6.0
6.0

I recently helped a client in e-commerce who faced several frontend and backend bugs causing broken forms and layout issues on mobile devices. By systematically debugging JavaScript and PHP code, I isolated the root causes—mostly outdated scripts and conflicting CSS—and applied fixes that restored full functionality without introducing new problems. For your site, I would start by replicating the reported issues and reviewing error logs to pinpoint exact causes quickly. Do you have a prioritized list of bugs or error reports to focus on? Also, which browsers or devices show the most problems? Testing on both desktop and mobile to ensure a smooth user experience is standard in my workflow. Based on similar projects, most common bugs can be resolved within a few days, depending on complexity. I’m ready to start troubleshooting and get your site running smoothly again.
$30 USD in 7 days
6.1
6.1

You require an experienced web developer to fix various bugs and technical issues on your existing website. The goal is to ensure all functionalities work seamlessly and the site's performance is optimized across both desktop and mobile platforms. Identifying the root cause and delivering reliable fixes without affecting current functionality is imperative. An initial diagnosis indicates that performing a systematic audit of the site to prioritize the most impactful fixes is crucial. Addressing both frontend and backend issues will ensure a more user-friendly experience and enhance site reliability. The implementation plan would involve: 1. Audit key pages to identify critical issues. 2. Prioritize fixes based on the most significant impact on user experience. 3. Implement and test fixes across devices to ensure functionality. 4. Conduct a follow-up review to verify that all issues remain resolved. What specific functionalities are you prioritizing for immediate fixes? If this approach aligns with what you need, let’s discuss your preferences further.
$200 USD in 5 days
5.6
5.6

**Can jump in right away to clean up bugs and stabilize your site** I am Anand, full-stack web developer with strong debugging experience across HTML, CSS, JavaScript and PHP I fix frontend and backend bugs at the root cause, layout and responsive issues, broken functionality, forms buttons and links, all with clean reliable fixes that keep existing features intact I test every fix across desktop and mobile before handing it back Recent work: fixed checkout and JS errors on a live booking site, cleaned up PHP form and mobile layout bugs for a service business site Can start soon, send me your site URL and the top issues you want fixed first?
$60 USD in 7 days
5.8
5.8

I can step in and trace down your frontend and backend bugs systematically, isolating root causes across your PHP runtime, DOM rendering, and JavaScript execution without causing regressions. ✅ Audit server error logs, PHP exceptions, and browser console errors to pinpoint failing forms, AJAX endpoints, and broken event listeners ✅ Fix CSS responsive layout breakpoints and patch JavaScript/PHP logic issues across mobile and desktop viewports ✅ Full file and database backup captured prior to touching production code, testing each patch safely to ensure zero side-effects ✅ Recent example: Resolved broken checkout webhooks, AJAX submission failures, and iOS Safari viewport clipping on a live custom PHP stack ✅ 10+ years production experience | 400+ completed projects | 320+ five-star reviews ✅ Microsoft® Certified: MCSA | MCSE | MCT & cPanel Certified (CWSA-2) Is your site built on vanilla PHP/JS or a specific framework/CMS, and do you currently have a Git repo or staging environment in place? I can deliver this in 1 day for 90 USD and can jump on it right now.
$90 USD in 1 day
5.7
5.7

Could you provide more details about the specific frontend and backend issues you're encountering on your website? It would be helpful to know if there are any particular browsers or devices where these issues are most prominent, as this can guide my debugging process. I have over 6 years of experience in web development, specializing in both frontend and backend technologies such as HTML, CSS, JavaScript, and PHP. My problem-solving skills and attention to detail enable me to identify root causes swiftly and implement reliable solutions. To address the bugs and technical issues, I will conduct a thorough analysis of the site, pinpoint the errors, and apply clean fixes. I'll test the changes across various devices and browsers to ensure seamless functionality, all while preserving the existing features of your website. Please feel free to reach out to me. I look forward to working with you. Best regards, Billy Bryan
$30 USD in 3 days
5.5
5.5

Hey, I can help fix the frontend/backend bugs on your existing website, including JavaScript/PHP issues, responsive layout problems, broken forms, buttons and other functionality while keeping the existing features intact. I’ll first trace the root cause of each issue, apply clean fixes, then test the affected areas across desktop and mobile. I’ve handled similar website debugging and optimization work before and can start soon. Send me the website URL and current issue list, and I can quickly identify the main problems and discuss the fixes with you. Best regards, Fahad.
$100 USD in 2 days
5.5
5.5

Karachi, Pakistan
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Member since Mar 1, 2019
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₹750-1250 INR / hour
₹12500-37500 INR
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$250-750 USD
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$250-750 USD
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₹800000-5000000 INR
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$250-750 AUD
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$30-250 USD
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€30-250 EUR