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I have an in-house business application that is showing its age both on the code side and in the public-facing web interface. I need the whole solution brought up to modern standards—clean, efficient code under the hood and an attractive, responsive design on the front. Here’s what I expect: • Audit the current source, identify weak points, and propose a clear upgrade path. • Refactor or rewrite modules where necessary to improve speed, security, and maintainability. • Revamp the web UI so it looks consistent on desktop, tablet, and mobile, keeping our brand style intact. • Ensure the updated build deploys smoothly to our existing hosting stack and that all data remains intact. • Document the new codebase and hand over design assets and any style guides you create. I’m open to the framework and tooling you prefer, as long as the end result is robust, easy to maintain, and future-proof. When you reply, please outline similar projects you’ve completed, the tech stack you recommend, and an estimated timeline for each milestone from review through final hand-off.
Project ID: 40426099
202 proposals
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Active 3 days ago
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202 freelancers are bidding on average $143 CAD for this job

Hi Greetings! i can do your Business Software & Website Refresh.. i read your project description carefully. please send me all requirement.. will do with interactive and modern look My Process is - 1. i can create a Mockup design using your site requirement like - Site name or Logo, colors, sample site links for structure 2. Wen you finalize design i will do WordPress Responsive theme integration Using elementor builder to create Pages in WordPress admin ... i have 16 years of experience and done 100's of websites which are running successfully.. can you please get back to me to start the work .. thanks for your time Lalith
$180 CAD in 7 days
9.2
9.2

Before I outline the upgrade approach and timeline, could you please share a bit more about the current application stack and architecture—specifically the existing frontend framework, backend language/framework, database, and hosting environment? It would also help to know whether the application is primarily internal/admin-focused or partially customer-facing, how large the codebase roughly is, and whether there are any particularly problematic areas today such as performance bottlenecks, outdated dependencies, security concerns, or difficult-to-maintain modules. For the UI modernization, do you want the redesign to remain visually close to the current interface for user familiarity, or are you open to a more significant UX overhaul while preserving brand identity? Additionally, please confirm whether there are integrations/APIs, authentication systems, reporting modules, or legacy workflows that must remain untouched during refactoring, and whether you prefer a phased migration approach or a parallel rebuild with staged deployment to minimize operational disruption.
$355 CAD in 7 days
9.2
9.2

Hey, I will audit your existing codebase, refactor weak modules for speed and security, and redesign the web UI to be fully responsive — desktop, tablet, and mobile — while preserving your brand identity. For the upgrade path, I will map each module's dependencies first to avoid breaking data integrity during refactoring. This ensures your existing hosting stack and database stay intact throughout deployment. Questions: 1) What language/framework is the current application built on? 2) Do you have existing brand guidelines or a style reference for the redesign? Looking forward to your response. Best regards, Kamran
$90 CAD in 5 days
8.5
8.5

With a background in software development and UI/UX design, I understand the importance of upgrading legacy systems to meet modern standards. I propose auditing your current codebase, refactoring where needed, and revamping the UI to ensure a seamless transition. My experience in improving speed, security, and maintainability aligns well with your project goals. Could you provide more details on your current hosting stack for a smoother deployment process? Regards, Yogesh Kumar
$130 CAD in 10 days
8.5
8.5

Hi there, I can conduct a thorough audit of your existing application to identify improvement areas, ensuring clean and efficient code while enhancing speed and security. With over 8+ years of experience in software development, I’ve successfully revamped legacy applications into modern solutions. I typically recommend a tech stack that includes React for the front end and Node.js for the back end, which ensures a responsive design across all devices while maintaining brand consistency. I’ll ensure a smooth deployment to your existing hosting setup, keeping your data safe. Additionally, I provide comprehensive documentation and design assets for future reference. Let me know if you’re interested in moving forward! Best Regards, Priyanka
$200 CAD in 2 days
8.5
8.5

Hello, I'm a web developer with over 13 years of experience. I've reviewed your project and am confident I can assist you. I have knowledge in PHP, Website Design, PHP, Website Design, CSS, HTML, UI / User Interface Please send me a message to get started. Thank You
$119.85 CAD in 1 day
8.1
8.1

Hello, I’d be happy to help modernize both your business application and public-facing website with a focus on performance, maintainability, security, and long-term scalability. From your description, this sounds like more than a simple redesign — it’s a full modernization project involving architecture review, code quality improvements, UI/UX refresh, and deployment stability. That’s exactly the kind of structured upgrade work I specialize in. Why Work With Me Experience modernizing legacy business systems Strong frontend + backend development capabilities Focus on clean architecture and maintainable code Responsive UI/UX expertise Careful migration planning to protect existing data Clear communication and milestone-based workflow I understand how important stability is for internal business applications, so the upgrade process will prioritize reliability alongside modernization. I’m ready to begin with the audit phase immediately. Best regards ADEEL
$90 CAD in 7 days
8.1
8.1

Hello, I’d be glad to help modernize both your in-house business application and public-facing website. From your description, this sounds like a project that requires not only a visual refresh, but also a thoughtful architectural cleanup to improve long-term stability, maintainability, and performance. Why Work With Me Strong frontend + backend experience Practical modernization strategy Focus on maintainable architecture Clean responsive UI implementation Careful handling of legacy systems and deployments Clear communication and milestone-based updates I’d be happy to review the current application and discuss the best modernization path for your business. Best regards, RAHEEL
$90 CAD in 7 days
8.1
8.1

Hi, We’ve recently revamped a similar internal tool, focusing on modernizing the UI and enhancing backend performance. We achieved a 50% reduction in load times while ensuring the app remained user-friendly and intuitive. For your project, I’d suggest using Laravel for the backend and Vue.js for the frontend. This combination allows us to build a robust, secure, and scalable solution while delivering a responsive, modern UI. We can also integrate a design system like Bootstrap or Tailwind to ensure consistent styling across all devices. We can start with a 1-hour introductory call to discuss your project in detail and see if I’m the right fit. I’m eager to learn more about your exciting project. Let’s schedule a call at your convenience. Best regards, Adil
$118.06 CAD in 7 days
7.5
7.5

Woah Hello, It sounds like you're looking for a comprehensive refresh of your business application, both in terms of code and user interface. I’d approach this by first conducting an audit of your current system to pinpoint areas for improvement. With 7+ years of experience in web development, I’ve tackled similar projects where I’ve successfully refactored outdated code and created modern, responsive designs that align with brand identity. I’ll ensure that the new codebase is clean and efficient, making it easier for your team to maintain in the long run. I’ll also focus on smooth deployment and data integrity, so you won’t have to worry about losing any critical information during the update. Additionally, I'll provide thorough documentation along with any design assets and style guides created during the process. Best regards, Ivan Mandinski
$140 CAD in 2 days
7.5
7.5

I CAN MODERNIZE YOUR ENTIRE BUSINESS APPLICATION — BOTH BACKEND AND UI — INTO A FAST, SCALABLE, AND FUTURE-READY PLATFORM WITH CLEAN CODE AND A PREMIUM RESPONSIVE EXPERIENCE With 12+ years of experience in enterprise software modernization, UI/UX redesign, backend optimization, and scalable web architecture, I specialize in upgrading legacy systems without disrupting existing business operations or data integrity. APPROACH: * Full audit of existing codebase, architecture, performance, and security * Clear modernization roadmap with milestone-based delivery * Refactor/rebuild outdated modules for maintainability and speed * Responsive UI/UX redesign while preserving your brand identity * Smooth deployment on your current hosting environment * Complete documentation, style guides, and structured hand-off RECOMMENDED STACK: React/Vue frontend, Node.js/Laravel/Django backend depending on current architecture, REST APIs, responsive component system, optimized database/query structure, Docker-ready deployment if required. WHY ME: I have successfully modernized legacy business systems, SaaS platforms, and enterprise dashboards with focus on performance, maintainability, and long-term scalability. CLOSING: I can help transform your aging application into a modern, reliable platform that is easier to maintain, faster to scale, and significantly better for end users.
$140 CAD in 7 days
7.7
7.7

Hi I can help modernize your in-house business application from both the backend/codebase side and the public-facing UI side while keeping existing data and business logic safe. The main technical challenge is upgrading an aging system without breaking active workflows, database structure, or deployment stability. My approach would start with a code and architecture audit, then refactor weak modules, improve security, optimize performance, and clean up duplicated or outdated logic. For the frontend, I can redesign the interface with a responsive UI using modern HTML/CSS, JavaScript, React/Vue if suitable, Bootstrap/Tailwind, and a consistent design system that matches your brand. I have worked on similar modernization projects involving legacy PHP, Laravel, Node.js, WordPress, custom dashboards, API cleanup, database migration, and responsive UI rebuilds. I would also provide clear documentation, deployment notes, and reusable UI/style assets for future maintenance. Thanks, Hercules
$140 CAD in 7 days
6.8
6.8

Hello Hi there, I understand your in-house business application is experiencing performance issues. With over 5 years of full-stack development experience, I specialize in diagnosing and resolving such bottlenecks to ensure seamless operation and boost user productivity. Let's schedule a brief chat to discuss how I can get your application running smoothly again. Giáp Văn Hưng
$120 CAD in 7 days
6.9
6.9

Hey, i will audit your existing business application, refactor weak modules, and modernize both backend structure and frontend UI into a clean, fast, and scalable system while keeping your data and current hosting fully intact. I will improve code performance, security, and maintainability, then redesign the web interface into a fully responsive, consistent UI aligned with your brand, along with proper documentation and structured handover for long-term stability. Do you want this upgrade to stay on your current stack or are you open to a full modern rebuild if it improves long-term performance? Let’s make it solid and future-ready. Please Check my Profile: https://www.freelancer.com/u/zainalitariq245 Best Regards: Zain Ali
$150 CAD in 7 days
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 CAD in 7 days
6.9
6.9

I am an expert in Shopify, WordPress, and Web Development Technologies, ready to give your application a modern revival. I will audit your code, enhance speed and security, redesign the UI for responsiveness, and ensure a smooth deployment. I'm eager to start RIGHT AWAY and deliver outstanding results. Regards, Pooja
$200 CAD in 4 days
7.1
7.1

Refactoring legacy code while keeping data intact is where most projects stall. The risk isn't just the new UI, it's ensuring the existing hosting stack doesn't break during the transition. I've handled similar modernizations for Allrites, cutting load times from 4 seconds to sub-second using PHP and infrastructure tweaks. My approach pairs code refactoring with automated deployment pipelines to guarantee zero data loss. For a project this size, I recommend a phased rollout starting with the audit. We can stabilize the backend before touching the frontend styles. What does your current hosting environment look like and is there existing CI/CD in place?
$30 CAD in 7 days
6.6
6.6

Hi, I will modernize your business software and website to improve efficiency and enhance user experience. You can expect a comprehensive audit of the current system, strategic refactoring for speed and security, and a sleek redesign for desktop and mobile. I will ensure a seamless deployment and provide detailed documentation for easy maintenance. I have successfully completed similar projects, and I recommend utilizing cutting-edge tech stacks to future-proof your solution. Can you share more about your preferred design aesthetics to align the revamp with your brand's style? Let's chat further so I can give you a proper timeline and get things moving.
$100 CAD in 2 days
6.6
6.6

I can fully audit, modernize, and rebuild your business application with upgraded architecture, cleaner code, improved security, and a responsive UI refresh while preserving your data and deployment continuity. I’ll provide a clear milestone-based roadmap, scalable tech stack recommendations, and full documentation for a future-proof, maintainable solution. Best Regards, Muhammad
$30 CAD in 1 day
6.4
6.4

Hi, I've modernized several legacy business applications—most recently a full-stack overhaul for a logistics company where I audited their aging PHP/jQuery codebase, migrated the backend to Node.js with a PostgreSQL layer, and rebuilt the frontend in React with a fully responsive design system, cutting page load times by 60%. For your project, I'd start with a thorough code and UI audit to map out technical debt and quick wins, then move into phased refactoring—prioritizing security patches and performance bottlenecks before tackling the responsive redesign using Tailwind CSS or your preferred framework, all while preserving your brand identity and existing data integrity. I can start immediately and will deliver full documentation, style guides, and deployment support at every milestone.
$30 CAD in 1 day
6.6
6.6

Cambridge, Canada
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Member since May 7, 2026
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