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I’m ready to retire a dated, monolithic code-base and relaunch the site on a clean, modern stack. You’ll receive full access to the current repository, database dump, and hosting panel so you can map every page, replicate all existing features, and move the content without breaking any URLs. Your brief is to analyse the legacy build, recommend an up-to-date framework (React, Vue, Svelte, or similar on the front end; Node, Django, or another solid back end), rebuild the site for responsiveness and speed, and deploy it to a staging server for my review. Deliverables • Fully migrated site running on the agreed stack • Data and URL integrity maintained • Source code in Git with clear documentation and a short deployment guide Acceptance criteria 1. Feature parity with the current site 2. Google Lighthouse scores above 90 for performance and accessibility 3. Smooth handover and successful launch on production hosting Suggest a realistic timeline and milestones after you’ve inspected the old code, and let’s modernise this site together.
Project ID: 40528163
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Whether you're moving an old family heirloom or modernizing a legacy website like yours, I've got the skills and experience to make the process seamless for you. As a seasoned Senior Software Engineer, my expertise spans from mobile apps to full-stack web development. This gives me a profound understanding of how different components integrate, and how changes on one level can impact others. This holistic knowledge will prove invaluable as we undertake your website migration and modernization project. My familiarity with Google Lighthouse scores above 90 for performance and accessibility proves that your site's performance is in safe hands. Additionally, having worked in sectors similar to yours (fintech, healthcare, e-commerce) showcases my adaptability and ability to learn quickly – key traits for appropriating correct modernization strategies. Let's embark on this journey together where you can expect unmatched expertise, excellent communication and reliable and punctual delivery.
$90 USD in 7 days
0.0
0.0
197 freelancers are bidding on average $139 USD for this job

Hello I will migrate your legacy monolithic website to a modern, scalable stack while preserving all existing features, URLs, and data integrity. The process includes a full audit of your current codebase, recommendation of a suitable modern stack (React/Vue/Svelte with Node or Django), and rebuilding the system in a structured, staged approach using a staging environment. I will ensure feature parity, clean data migration, proper routing/SEO preservation, and optimize performance to achieve 90+ Lighthouse scores. Final delivery will include a fully migrated site, well-documented Git repository, and a deployment guide for smooth production launch. Timeline and milestones will be shared after reviewing the existing system. Warm regards, Harpreet Singh
$70 USD in 5 days
9.4
9.4

With over 16 years of industry experience and more than 1500 projects completed, my team at BVM Web Solutions Pvt. Ltd. would be the perfect fit for your website migration and modernization needs. Our mission aligns well with your project - to empower businesses by providing cutting-edge website design and development services. We have a skilled team of 50+ developers proficient in modern frameworks like React, Vue, Node.js, and Django, capable of transforming legacy sites into highly responsive and performant web applications. One of our key strengths is diligent planning, which we'll employ in this project as well. After inspecting your old codebase, we'll draft a realistic timeline and milestone strategy to ensure a seamless transition to the new stack while preserving feature parity, data integrity, and URL structure. Our in-depth experience with Git version control will guarantee that every code change is well-documented and easy to manage for long-term support. Finally, I understand the importance of effective communication for the success of any project. Having served 99% satisfied clients till now, I can assure you that communication will always be clear, concise, and comprehensive throughout the project lifecycle. Let's modernize your website together and take it to new heights of performance and accessibility!
$245 USD in 7 days
9.8
9.8

With experience in migrating legacy systems to modern stacks, I understand the importance of maintaining data integrity and feature parity. I propose using React for the front end and Node for the back end to ensure responsiveness and speed. My question: What specific functionalities are critical to retain in the new build? Let's discuss a timeline and milestones post-code inspection to streamline this transition effectively. Regards, Yogesh Kumar
$100 USD in 10 days
8.4
8.4

Interesting project, I will migrate your site to a modern stack — framework recommendation, full content transfer, URL preservation, and staging deployment — all documented in Git with a deployment guide. Before recommending React/Vue vs. Svelte, I will audit your current codebase for dynamic features and database complexity. This determines whether a static-first approach with hydration will hit those Lighthouse 90+ targets faster than a full SPA. Questions: 1) What is the current stack — PHP, .NET, or something else? 2) How many dynamic features exist beyond static content (forms, auth, search)? Send me a message and we can go over the details. Best regards, Kamran
$90 USD in 5 days
8.4
8.4

Hi, I can see the real challenge here isn’t just rebuilding a site , it’s preserving every page, relationship, and URL while moving a legacy monolith onto a cleaner stack without breaking trust with users or search engines. I’ve handled PHP/MySQL and modern web migrations where the goal was feature parity, cleaner structure, and a smooth cutover. I’d review the current codebase and database, map the existing flows, recommend the right stack after inspection, then rebuild the frontend and backend with performance, responsiveness, and deployment stability in mind. 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. My approach would be: codebase audit, migration plan, rebuild in milestones, staging deployment, and production handover with documentation. Could you share whether there are any SEO-critical routes, auth flows, or third-party integrations that must be preserved exactly? Also, do you already have a preferred stack, or would you like me to recommend one after the audit? Looking forward to your reply so we can finalize the exact plan. Best regards, Asad
$75 USD in 3 days
8.0
8.0

⭐⭐⭐⭐⭐ Modernize Your Website with a Clean, Efficient Code Base ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking to modernize your website. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for website migrations and upgrades. I will analyze your legacy code, recommend a modern framework, and ensure a smooth transition without breaking any URLs. ➡️ Why Me? I can easily handle your website modernization project as I have 5 years of experience in web development and migration. My expertise includes working with frameworks like React, Vue, and Node, ensuring your site is responsive and fast. Besides, I have a strong grip on database management and deployment strategies, making the transition seamless. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I look forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ Web Development ✅ React ✅ Vue.js ✅ Node.js ✅ Django ✅ Website Migration ✅ Database Management ✅ Git Version Control ✅ Responsive Design ✅ Performance Optimization ✅ API Integration ✅ Documentation Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
8.1
8.1

Hi, this is a straightforward modernization project on the surface, but the real work is preserving behavior, content relationships, and URL integrity while replacing a monolithic build with something maintainable. The main engineering risk is incomplete parity discovery early on, especially where legacy logic is embedded in templates, database conventions, or server-side routing. I’ve worked on production systems where the first step is a disciplined audit of the existing codebase, data model, page inventory, and runtime behavior before locking the target architecture. For a rebuild like this, I usually structure the work around discovery, parity mapping, migration rules, staging validation, and launch controls rather than treating it as a visual redesign. The closest examples here are Custom Feature Development & Integration and HubSpot CRM Implementation & Interactive Senior Living Website. Both required stepping into an existing environment, mapping behavior carefully, implementing changes in a controlled Git workflow, and handing off documented production-ready systems. Given your openness on stack, I’d evaluate the legacy routing and content model first, then choose the simplest architecture that protects URLs, improves responsiveness, and can reliably clear Lighthouse targets. I typically separate content migration, application behavior, and deployment concerns so validation is measurable at each layer. Thanks, Hercules
$250 USD in 7 days
7.4
7.4

Hello, I’ve carefully reviewed your project requirements and they align very well with work I’ve completed successfully in the past. I’m confident I can deliver this exactly the way you expect — clean, reliable, and scalable. If you’d like, I can quickly walk you through a similar project I completed and explain how I’d approach yours step-by-step. I’m also happy to jump on a quick audio or video call to clarify anything. 410+ verified 5★ reviews, 538+ completed projects, Full-stack expert: CMS (WordPress, Shopify, Wix, Framer, Squarespace, Magento 2, OpenCart) Python, PHP, Laravel, React.js , node.js n8n, Zapier, AI agents. Always on time, within budget, Free 1-month post-delivery support you can check my skills and reviews here - https://www.freelancer.com/u/zahi9 Looking forward to your response. Best regards, Zahidul
$140 USD in 7 days
7.7
7.7

Hello Monolith slow. Migrating legacy code to modular architecture stops debt accrual. I refactored three enterprise monoliths to microservices, boosting deployment velocity by 40%. I map dependencies, decouple logic, and ensure zero downtime during cutover. Ready to modernize stack. Provide repo access; I audit bottlenecks today. Giáp Văn Hưng
$250 USD in 7 days
6.8
6.8

Hi there, I can help you with the full migration and modernization of your legacy site. I've done this before where I mapped every page, preserved URL structure, and rebuilt on a modern stack. For your project, I'd suggest Vue on the front end paired with Django on the back end, as it balances speed and maintainability well. I can hit those Lighthouse scores and have the staging server ready within 2 weeks after checking the old code. I'm Edward, let me know if you want to discuss specifics.
$30 USD in 7 days
6.8
6.8

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. I 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 in 7 days
6.9
6.9

⭐⭐⭐⭐⭐ Legacy Website Migration & Modernization ❇️ Hi. Ive reviewed your project needs and understand that you are ready to retire your outdated, monolithic code-base to relaunch your website on a clean, modern stack. I have extensive experience in managing similar migration projects. I will ensure every page is mapped, all features replicated, and content moved seamlessly without breaking any URLs. ➡️ Why Me? I hold a PhD in Computer Science with over 10 years of experience in web development and system migration. My expertise includes modern JavaScript frameworks such as React, Vue, and Svelte, as well as backend technologies like Node and Django. I am proficient in analyzing legacy systems, recommending the most suitable technology stack, and ensuring a smooth transition to modern, responsive web architectures. ➡️ Let’s have a quick chat to discuss your project in detail, and I can provide you with a comprehensive plan and timeline after inspecting the old code. ➡️ Some of my similar work: ✅ E-commerce platform migration to a fully responsive design ✅ Educational portal re-engineered for enhanced performance and scalability ✅ Corporate website overhaul with advanced SEO features and mobile optimization ✅ News outlet site migration to a headless CMS architecture ✅ Multilingual content platform upgraded for better user engagement and faster load times ✅ Portfolio websites migrated from outdated frameworks to modern, dynamic stacks ✅ Custom CRM systems enhanced for better data handling and user interaction Waiting for your response! Best Regards, Dr. Muhammad Asad
$200 USD in 6 days
6.7
6.7

As an experienced full-stack developer, I understand the importance of maintaining data and URL integrity while modernizing a legacy website. With my expertise in JavaScript, Node.js, Python, and Web Development, I can confidently analyze your existing codebase and recommend the best framework (React, Vue, Svelte) that aligns with your requirements. Having worked on projects involving site migration and modernization before, I am familiar with transforming dated websites into responsive and high-performance platforms. My proficiency in AI engineering and LangChain, LangGraph use also brings an additional yet resourceful dimension to the table. Be it these AI capabilities or my blockchain dApps expertise or performance testing skills (all aligned with your needs), my diverse skills can ensure feature parity with the current site along with delivering top-notch Google Lighthouse scores for performance and accessibility. Finally, my commitment is to provide not just a revamped site but indeed a "fully functional product". Let's get started on your project together, ensuring a smooth handover and successful launch while adhering to realistic timelines and milestones determined after a thorough inspection of your old codebase. Together we can breathe new life into your website!
$75 USD in 1 day
6.3
6.3

With a decade of combined experience in software development and a proven track record of delivering successful projects, my team and I endeavor to modernize your legacy website with utmost proficiency. I have specialized skills and expertise in Django, JavaScript, Python, and Website Design which will suit the requirements of your project aptly. In addition to this, over the years I have developed responsive web applications using HTML, CSS, JavaScript, React and Angular which ensures I am well-versed with your desired tech-stack. My approach involves conducting an extensive analysis into your current codebase to provide accurate recommendations for a modern framework that will make the website more responsive and faster. I assure you of maintaining data integrity and URL structure while migrating the website to ensure a seamless transition for users. Throughout the process, you will receive frequent updates on the development milestones as part of my commitment to transparent communication.
$180 USD in 7 days
6.1
6.1

Hi, your project "Legacy Website Migration & Modernization" is clear, and I can take care of the implementation. The listed skills point to JavaScript Python Website Design Django Node.js Web Development Backend Development Frontend Development, so I would keep the implementation aligned with that. I would first check the current setup, then complete the work in a way that is easy to review. My focus would be turning the UI requirements into a polished, responsive build. To set this up properly: Should the solution be optimized for future scaling, easier maintenance, or a simple handover? What source systems, output fields, and validation rules should the automation or data flow follow? Where should the completed work be deployed, and what hosting access will be provided? Best regards, Houssame
$140 USD in 7 days
6.6
6.6

مرحباً، نحن فريق تطوير Full-Stack بخبرة تتجاوز 10 سنوات في إعادة بناء الأنظمة القديمة (Legacy Systems) وتحويلها إلى منصات حديثة عالية الأداء. يسعدنا تنفيذ مشروعكم لإعادة بناء الموقع على Stack حديث مع الحفاظ الكامل على البيانات وروابط الـ URL دون أي تأثير على SEO. نطاق العمل: • تحليل الكود القديم وقاعدة البيانات • اقتراح Stack حديث (React / Vue / Node / Django حسب الحاجة) • إعادة بناء الموقع بشكل سريع ومتجاوب • نقل البيانات مع الحفاظ على جميع الروابط • تحسين الأداء للوصول إلى Lighthouse +90 • إعداد بيئة Staging قبل الإطلاق المخرجات: • موقع حديث بالكامل • كود نظيف على Git مع توثيق • دليل نشر وتشغيل • اختبار شامل قبل الإطلاق نركز على السرعة، الاستقرار، وتجربة مستخدم محسّنة مع ضمان نجاح عملية النقل بدون فقدان أي بيانات. جاهزون للبدء بعد مراجعة المشروع.
$150 USD in 7 days
6.8
6.8

Hi there, Migrating a monolithic codebase can often lead to downtime and broken URLs, disrupting user experience and SEO. With my expertise, I ensure a seamless transition to a modern stack while maintaining data and URL integrity, so your site's performance and accessibility skyrocket. Here are my questions: Which specific features or functionalities are critical to retain or improve? Do you have a preferred choice among React, Vue, or Svelte for the front end? Let’s discuss your project now!
$250 USD in 14 days
5.9
5.9

Migrating your legacy website to a modern stack sounds like a great move. I see you're looking to transition from a monolithic codebase to something cleaner, and I can definitely help with that. With around 10 years of experience in both frontend and backend technologies, I'm well-versed in frameworks like Django and Node.js, which could be ideal for your project. I understand your main goal is to modernize the user experience while ensuring functionality remains intact. Some similar things I've built include a regional booking platform for a tutoring company, an internal CRM for a property agency, and a React Native field-reporting app. Let's make this migration a success! Could you please clarify the following questions to help me better understand the project? Q1: What specific features of the current site do you want to retain in the new version? Q2: Are there any particular design elements you're hoping to incorporate into the modernized site? Q3: How do you envision handling data migration from the existing codebase to the new stack?
$200 USD in 3 days
6.1
6.1

Hi there, I can help you migrate and modernize your legacy site with a clean, scalable stack. I will map every page and URL, preserve data integrity, and recreate the front end with a modern framework that suits your needs (React, Vue, or Svelte), while the back end can leverage Django or Node.js to keep your APIs intact. With my experience in JavaScript-driven interfaces and Python-based back ends, I will ensure pixel-perfect responsiveness and Lighthouse scores above 90 for performance and accessibility. Deliverables include fully migrated site, data and URL integrity, and clean Git history with a deployment guide. I’ll host on a staging server for your review and provide milestones after a code review. What is your preferred front-end framework (React, Vue, or Svelte) and any back-end constraints or APIs we must preserve during migration?
$30 USD in 13 days
6.1
6.1

Hello Dear! Greetings from Toriqul Global Solutions! We are pleased to introduce our company as a reliable and experienced provider of Web Design & Development services. Founded and led by Engineer Toriqul Islam, a B.Sc. graduate in Computer Science & Engineering from Rajshahi University of Engineering & Technology (RUET), our team brings over 10 years of industry experience. At Toriqul Global Solutions, we specialize in building modern, user-friendly, and high-performance websites that help businesses grow and stand out in the digital world. Our design approach focuses on simplicity, elegance, and functionality to ensure maximum user engagement. I have some question-- Please start a conversation to discuss your project. 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 We would be honored to discuss your project requirements and help bring your ideas to life. Thank you for your time and consideration. Warm Regards, Toriqul Global Solutions
$50 USD in 2 days
6.1
6.1

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