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Hi, I'm looking for an experienced React developer to help fix and improve my existing website. The site is already built with React, but there are some bugs, layout issues, and areas that need optimization. I'd like someone who can review the current code, identify problems, and make the necessary improvements to ensure everything works smoothly and looks good across all devices. What I need: - Fix existing bugs and errors in the React app - Improve responsiveness and UI layout - Optimize performance and code quality - Ensure compatibility across major browsers and devices You won't need to build the project from scratch - this is mainly about fixing and refining the current website. I'll provide the source code and details after hiring. If you have solid experience with React and debugging existing projects, please share your portfolio or examples of similar work in your proposal. Looking forward to working with you. Thanks.
ID Projek: 40223085
207 cadangan
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Aktif 21 hari yang lalu
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207 pekerja bebas membida secara purata $137 USD untuk pekerjaan ini

Hello, I have reviewed your project "Fix and Optimize React Website" and I am confident that I can help address the bugs, layout issues, and optimization needs of your existing React website. With over 5 years of experience in React development, I specialize in debugging and refining existing projects to ensure smooth functionality and optimal performance. I will thoroughly review the current code, identify and resolve any issues, enhance responsiveness and UI layout, and optimize performance and code quality. My expertise in React development and debugging will ensure compatibility across various browsers and devices. Please review my portfolio for examples of similar projects. I am excited about the opportunity to work on your website and look forward to collaborating with you. Thank you.
$180 USD dalam 3 hari
8.3
8.3

Hello, Hope you are doing well. With 9+ years of experience, we specialize in delivering scalable, high-quality digital solutions tailored to clearly defined business needs. Since your requirements match our core capabilities, I’m confident we can deliver a solution that is robust, refined, and built for long-term growth. Our approach is straightforward: understand the scope in depth, execute with precision, and deliver measurable results. From a strong front-end experience to a secure, enterprise-grade back-end, quality and reliability remain our priority. I’d be happy to discuss your requirements further and outline the best execution strategy. Best regards, Gaurav P.
$140 USD dalam 7 hari
8.5
8.5

Hi, I understand the frustration hidden beneath your site's glitches and inefficiencies , a React website that should shine but feels held back by bugs and layout struggles. With over 5 years of deep React experience, I specialize in diagnosing tricky bugs, enhancing UI responsiveness, and optimizing code for seamless, cross-device performance. I’ll carefully review your existing code to fix bugs, fine-tune layouts for all screen sizes, and boost loading speed and code quality. My goal is to leave your website performing flawlessly and looking polished across all major browsers. I’m ready to combine technical precision with a user-focused touch to elevate your React app. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Could you please share the most pressing bugs or layout issues you've encountered so far? Thanks, Asad
$95 USD dalam 5 hari
8.1
8.1

Hello, I understand you're looking to fix and optimize your existing React website. Our team at A2 Design has extensive experience with React, focusing on debugging, UI improvements, and performance optimization. We specialize in enhancing user experiences by addressing bugs, ensuring responsive layouts, and optimizing code for better performance. For example, our work on TutorTime showcases our ability to refine interfaces and enhance functionality in educational platforms. You can view that project here: tutortimetutors.com. Additionally, we have successfully tackled similar challenges in various industries, including e-commerce and event management, as demonstrated in projects like ScheduleSite, which improved event aggregation and user interaction. See the details at schedulesite.com. Let’s discuss how we can bring your vision to life. Reach out to explore the next steps!
$100 USD dalam 1 hari
8.4
8.4

Hello, I’d be glad to help stabilize and refine your existing React website. This sounds like a focused audit-and-improve engagement rather than a rebuild, which is exactly the kind of work I handle regularly. How I’d Approach It Code Audit & Issue Mapping • Review component structure, state management, routing, and API calls • Identify console errors, runtime warnings, and edge-case failures • Check bundle size, unused dependencies, and anti-patterns Bug Fixing & Stability • Resolve functional bugs and inconsistent behaviors • Harden forms, validation, and async flows • Ensure clean error handling and predictable state updates UI & Responsiveness Improvements • Fix layout shifts and spacing issues • Improve responsiveness using Flexbox/Grid best practices • Test across Chrome, Safari, Edge, and Firefox • Validate behavior on common mobile breakpoints Performance Optimization • Optimize re-renders (memoization where appropriate) • Lazy-load heavy components • Improve Lighthouse scores (performance, accessibility, best practices) • Clean up redundant or poorly structured code I’ve worked on several React projects where I stepped in post-launch to debug, optimize, and modernize codebases. I can share relevant examples once we connect. If you provide the repo, I can give you a quick initial assessment and timeline right away. Best regards, Jasmin
$140 USD dalam 7 hari
8.4
8.4

Hi Your website is already built with React, but it has some bugs, layout issues, and areas that need optimization. You’re looking for a developer to identify the problems in the code and improve its performance, responsiveness, and overall design, ensuring everything works smoothly across major browsers and devices. Why Choose Me? Experience with React Development: I have extensive experience working with React.js and have successfully debugged, optimized, and improved the performance of React applications in the past. Strong Attention to Detail: I focus on fixing both the functional and aesthetic issues of your website, ensuring that the site is not only bug-free but also beautifully responsive on all devices. Performance Expertise: I specialize in optimizing performance in React apps, improving loading times, and ensuring smooth user interactions. Cross-Browser/Device Testing: I understand the importance of ensuring your website works flawlessly across all major browsers and devices, ensuring a seamless user experience for every visitor. Quick Turnaround: I aim to complete this project within 7–8 days, with continuous communication and updates to ensure you're satisfied with the progress. I look forward to helping you optimize and refine your React website! Let me know if you have any questions or would like to move forward. Best Regards ADEEL
$90 USD dalam 7 hari
7.9
7.9

Hello, I can review and refine your existing React website, fixing bugs, improving layouts, and optimizing performance so it looks and works smoothly across all devices. My Proposal - Bug Fixes: Identify and resolve current errors in the React app. - UI/Responsiveness: Adjust layouts and styling to ensure consistent display on desktop, tablet, and mobile. - Performance Optimization: Clean up code, improve rendering efficiency, and reduce load times. - Cross‑Browser Compatibility: Test and fix issues across major browsers (Chrome, Firefox, Safari, Edge). Deliverables 1. Debugged and stable React codebase. 2. Responsive UI with improved layouts. 3. Optimized performance and cleaner code. 4. Compatibility verified across devices and browsers. 5. Final handoff with notes on changes made. Why Me - Solid experience in React debugging and optimization. - Past work includes refining existing React apps for startups and corporate sites (portfolio links can be shared privately). - Strong focus on clean, maintainable code and responsive design. Thanks Regards, Asif Ali Zaman
$180 USD dalam 4 hari
7.8
7.8

Dear Client, Having worked on a variety of projects with similar goals to yours, I am confident that I possess the skills necessary to fix and optimize your React website. My extensive experience with the React ecosystem, coupled with my full-stack background, uniquely positions me to review and refactor your code base for improved performance and cleanliness. Importantly, my processes are not one-size-fits-all. I make it a point to dig deep into understanding the uniqueness of each project to provide tailored solutions. This means that for your website, I will take the time to analyze both frontend (UI/UX) and backend functions to ensure everything remains responsive, error-free across all devices, major browsers while maximizing quality. What sets me apart from others is my commitment to delivering a lasting solution. In addition to fixing existing bugs and improving the current status of your website, I ensure any new or transitional features are built with scalability in mind for future enhancements; a quality that's vital in today's digital landscape. Finally, I pride myself on transparent communication, which ensures you are constantly up-to-date on project progress ensuring timely delivery without stretching the budget. I look forward to starting our journey towards optimizing your React website. Let's bring out its full potential together!!! Thank you!!!!
$250 USD dalam 7 hari
7.8
7.8

⭐⭐⭐⭐⭐ Enhance Your React Website by Fixing Bugs and Improving Layout ❇️ Hi My Friend, I hope you're doing well. I just checked your project requirements and see you are looking for an experienced React developer. You have no need to look any further, as Zohaib is here to help you! My team has completed 50+ similar projects focused on improving React websites. I will review your current code, identify issues, and make necessary improvements to ensure everything runs smoothly on all devices. ➡️ Why Me? I can easily fix bugs and improve your React app as I have 5 years of experience in React development, debugging, UI design, and performance optimization. Not only this, but I also have a strong grip on responsive design, ensuring your site looks great across all major browsers and devices. ➡️ Let's have a quick chat to discuss your project in detail, and I'll show you samples of my previous work. Looking forward to our conversation! ➡️ Skills & Experience: ✅ React Development ✅ Bug Fixing ✅ UI/UX Design ✅ Performance Optimization ✅ Responsive Design ✅ Cross-Browser Compatibility ✅ Code Review ✅ JavaScript ✅ HTML/CSS ✅ Version Control (Git) ✅ Debugging Techniques ✅ API Integration Waiting for your response! Best Regards, Zohaib
$150 USD dalam 2 hari
7.6
7.6

Let me fix and optimize your React website. You can rely on me to carry out your project successfully as debugging and modifying an existing body of work formed most of my past projects. You can see my many React related work on my portfolio at https://www.freelancer.com/u/petermyvw Looking forward to discussing further. In case you'd like me to work on this, I can start right away.
$180 USD dalam 6 hari
7.4
7.4

I’m an experienced React developer and can review your current code to fix bugs, improve layout responsiveness, optimize performance, and ensure cross-browser/device compatibility. My approach is to systematically debug, refine UI, and enhance code quality while keeping your existing functionality intact. I can start immediately and deliver clean, stable improvements efficiently. best regards Ihtsham
$100 USD dalam 1 hari
7.0
7.0

Hi, We’ve developed several React web apps, including a fully responsive admin dashboard that integrates with a Laravel backend. We understand that fixing bugs and optimizing performance requires a different mindset than building new features, and we excel at both. With us, you’ll get a dedicated team of experts. For example, one of our front-end specialists recently revamped a web app’s UI, improving performance by 30% while enhancing responsiveness and usability. We also prioritize security and ensure that every release is thoroughly tested with automated and manual QA. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best, Adil
$140.50 USD dalam 7 hari
7.1
7.1

Hello Experienced React developer ready to fix and optimize your website. I specialize in diagnosing issues, boosting performance, and ensuring a seamless user experience. Let's discuss your specific challenges to get your site running flawlessly and efficiently. Giáp Văn Hưng
$128 USD dalam 7 hari
6.7
6.7

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
$140 USD dalam 7 hari
6.7
6.7

I can help review and refine your existing React website to fix bugs, resolve layout issues, and optimize performance. I’ll carefully audit the code, address responsiveness across devices, improve UI consistency, and ensure smooth operation across major browsers. My goal will be to make the site fully polished without breaking existing functionality. I’ve worked on several React projects where I enhanced legacy codebases, fixed bugs, and improved performance while maintaining clean, maintainable code. Looking forward for your positive response in the chatbox. Best Regards, Arbaz T
$190 USD dalam 7 hari
6.4
6.4

Hello, I read with interest your job posting, and I believe I possess the necessary skills and experience you are seeking to get the stuff done. I am a professional computer programmer with knowledge of various programming languages like HTML5, CSS3, React.js, Vue.js, Wordpress, Shopify, PHP/Laravel, JavaScript, Node.js/Express, blockchain technology, cryptocurrency, Python, MySQL, Dart, and Flutter. I have developed more than fifty web applications. I look forward to speaking with you further regarding your available work. I can assure you that if you work with me once, you will always work with me for this kind of project: I will do whatever it takes to completely 100% deliver on any of your projects and earn a 5-star rating from you as well. I am keen to take this discussion forward. Please let me know the next step call/chat/interview; I will make myself available at a mutually convenient time. Yours sincerely, Apurva Sharma
$250 USD dalam 7 hari
6.4
6.4

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$70 USD dalam 3 hari
5.8
5.8

Hello, Hope you're doing well! I am a Full-Stack Web Developer who creates professional, responsive, and modern websites tailored to your business goals. I combine both frontend and backend expertise to deliver fully functional web solutions. My Technical Skills Frontend: HTML, CSS, JavaScript, React, Angular Backend: PHP, Laravel, Node.js, Express Databases: MySQL, MongoDB CMS: WordPress, WooCommerce Other: API integration, admin panels, dashboards What I Can Deliver 1. Business websites, portfolio sites, blogs 2. Ecommerce stores with secure checkout 3. Fully custom web applications 4. Admin dashboards with analytics 5. API development & integration 6. UX improvements, redesign, restructuring 7. Hosting, deployment & domain setup Why Hire Me? 1. Clean UI and mobile-first design 2. SEO-ready and fast-loading pages 3. Strong backend logic & security 4. Friendly communication with daily progress 5. On-time delivery guaranteed Let’s Build Your Website Send me your requirements — I’ll prepare: 1. Best development approach 2. Milestone-wise timeline 3. Cost estimate Looking forward to working with you!
$100 USD dalam 7 hari
5.2
5.2

Hi, Thank you for outlining your needs for fixing and optimizing your React website. I understand that you require a skilled developer to debug and enhance your existing site while ensuring it performs well across all devices. I have successfully completed similar projects where I was able to identify and resolve bugs, improve UI responsiveness, and optimize code performance. My previous clients have seen significant enhancements in their website's usability and load times, which directly improved user satisfaction and engagement. ✅My Plan: - Thoroughly review the current codebase for bugs and layout issues. - Address existing bugs and errors to ensure a seamless user experience. - Refine the UI layout for better responsiveness across devices. - Implement performance optimizations to enhance load times and overall efficiency. - Ensure compatibility with major browsers through rigorous testing. Best regards, Hongqiang Chen
$190 USD dalam 2 hari
4.9
4.9

I am a seasoned React developer specializing in debugging, optimization, and UI refinement for existing codebases. I will thoroughly review your project, fix all bugs, resolve layout issues, improve responsiveness, and optimize performance across all devices and browsers. You can view relevant React work here: ideeza.com. I am ready to start immediately and deliver clean, stable results.
$100 USD dalam 5 hari
4.9
4.9

Springfield, United States
Ahli sejak Feb 11, 2026
$15-25 USD / jam
$250-750 USD
$1500-3000 USD
$15-25 CAD / jam
₹1500-12500 INR
$15-25 USD / jam
$250-750 USD
$30-250 USD
$750-1500 USD
₹12500-37500 INR
$15-25 USD / jam
$250-750 USD
$250-750 USD
₹1500-12500 INR
₹600-1500 INR
$2-8 USD / jam
€250-750 EUR
₹1500-12500 INR
₹12500-37500 INR
€750-1500 EUR