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I already have a desktop billing program running smoothly in-house and now want the same functionality available through any modern browser. I will share the full source code, database schema and a feature list once we start, but in essence the scope is: • Move every current feature to a web-based application that can be accessed over HTTPS. • Build a simple, secure user-authentication layer (email + password is fine for now; role management is a plus). • Apply a handful of small tweaks that I will outline—mostly UI polish and a couple of extra filters in the reports. I need an estimate of both cost and turnaround time for the complete migration, including deployment on my hosting account and basic post-launch support. Please factor in code hand-off documentation so I can maintain the system later. Feel free to suggest the stack you are most comfortable with; I am open as long as it is reliable and easy to maintain.
Project ID: 40361719
46 proposals
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Active 11 days ago
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46 freelancers are bidding on average ₹7,906 INR for this job

With over a decade of experience as a professional web developer and a dedicated team behind me, I am confident that we have the necessary skills and expertise to effectively deliver your project to meet all your requirements. Our vast knowledge in Web Development, API Development, HTML, PHP, and Database Management is highly relevant to this particular task. We have worked on diverse projects in the past which has given us a nuanced understanding of different stacks and their maintenance needs, thus enhancing our ability to meet your demands. Choosing us for this project guarantees you an agile team that not only has the technical prowess but also available 7 days a week for any clarifications or troubleshooting that may be necessary. We are ready to leverage our vast experience and top-notch skills towards delivering an efficient, modernized and user-friendly web application in line with your specified time-frame and budget constraints. Looking forward to further discussions!
₹19,999 INR in 15 days
6.4
6.4

Hi, I can migrate your existing desktop billing system into a fully web-based application while preserving all current functionality and ensuring it runs securely over HTTPS. I’ll replicate your existing features in a clean web architecture, add a secure authentication layer (email/password with optional role-based access), and apply the UI refinements and reporting filters you mentioned without disrupting core logic. I can work with a reliable, maintainable stack such as Django (Python) or Node.js (Nest/Express) with a structured database layer, depending on your current system design, so the migration stays smooth and scalable. The delivery will include full deployment on your hosting, clean code handover with documentation, and short post-launch support to ensure stability. Once I review your source code and database schema, I can give you an accurate cost and timeline estimate. Looking forward for your positive response in the chatbox. Best Regards, Arbaz Ali
₹11,000 INR in 10 days
6.5
6.5

I understand your requirement to migrate your desktop billing system into a secure, browser-based application with full feature parity and added enhancements. I can deliver a clean, reliable, and maintainable solution with proper authentication, deployment, and documentation. Based on scope, I estimate 3–5 weeks for completion, with cost finalized after reviewing your codebase. I’m ready to start immediately and ensure a smooth transition. Let’s discuss the details and next steps.
₹10,000 INR in 5 days
6.1
6.1

Hi there, I understand you have a C# desktop billing app with MySQL and need full feature parity in a browser-accessible, HTTPS web app; my background in C#, MySQL, APIs and production deployments makes me well suited to migrate logic, preserve reports, and harden the service for public access. - Deliverables: full migration of core billing features to a web app (backend APIs + frontend), secure email/password auth with role management, and the requested UI/report tweaks. - Deployment: production-ready deployment to your hosting account (HTTPS, DB migration, environment config) and basic post-launch support (30 days). - Documentation & handoff: code hand-off docs, deployment notes, and admin/user guide. - Risk control: staged deploy, DB migration + rollback plan, validation tests and minimal downtime cutover. Skills: ✅ C# Programming ✅ MySQL ✅ API Development (REST) ✅ Frontend Development (HTML, JS) + hosting deployment ✅ Security: HTTPS, auth hardening, role-based access Certificates: ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I am available to start immediately; Do you have a preferred web stack (ASP.NET Core vs PHP) and can you confirm hosting access type (cPanel/SSH) so I can size migration effort? Best regards,
₹12,500 INR in 1 day
5.8
5.8

Hello, I can help you with this quickly and deliver a clean, high-quality solution. I have 8+ years of experience in WordPress, Shopify, React, and Node.js, and I’ve completed multiple similar projects with 5⭐ feedback. I’m ready to start immediately and can ensure fast and reliable delivery. Let’s get this done.
₹2,870 INR in 3 days
5.1
5.1

Hello, I have read your job description and I am interested in your job post.I am ready to start now. Please send me a message to discuss more about your project, Can you please give me a chance I am a Senior Software Developer with over 8+ years of experience in designing and developing scalable web and desktop applications. I specialize in Microsoft technologies and delivering high-quality, secure, and performance-driven applications. My Expertise: Backend Development:ASP.NET, ASP.NET Core, MVC, Web API, WebForms, WCF Services Programming Languages:C#, Frontend Development:JavaScript, jQuery, AJAX, HTML, CSS Database Technologies:SQL Server, MySQL Reporting Tools:Crystal Reports, RDLC, SSIS, SSRS
₹5,000 INR in 7 days
4.8
4.8

Hello there! I'm excited to dive right into your project of migrating your desktop billing software to a web-based application accessible via any modern browser. I understand the importance of maintaining the current functionality seamlessly while adding a secure user-authentication layer and implementing UI enhancements. Key Points and Suggestions: - Seamless migration of all current features to a web-based platform - Implement a robust yet user-friendly authentication system - Enhance the UI and add additional filters as per your requirements Capabilities: I specialize in web development with expertise in secure user authentication and UI/UX enhancements. In a similar project, I successfully migrated a desktop application to a web platform with positive feedback. Let's discuss how I can bring your vision to life and ensure a smooth transition. Looking forward to collaborating with you on this exciting project!
₹1,500 INR in 7 days
4.1
4.1

Hello, I bring 13+ years of experience in web application development and system migrations from desktop to scalable web platforms. Core Skills: • PHP, C#, MySQL, Web Development • Frontend Development (HTML, UI/UX) • API Development & Database Management • Secure Authentication Systems What I Will Deliver: • Complete migration of your desktop billing system to a web-based application • Secure login system with optional role-based access • UI improvements and additional report filters as required • Deployment on your hosting with HTTPS setup • Clean, well-documented code for future maintenance Why Hire Me: • Proven experience in converting legacy systems to modern web apps • Focus on reliability, security, and performance • Clear timelines, cost estimation, and smooth delivery Collaboration: I will review your existing codebase, propose the best stack, and ensure a seamless transition with post-launch support.
₹12,000 INR in 7 days
4.6
4.6

I can transform your desktop billing software into a high-performance web application that mirrors your current workflow exactly. I’m an individual developer who handles the full cycle—from database migration to frontend deployment—so you won't deal with the delays or communication gaps typical of agencies. I specialize in building fast, secure web systems using a modern stack like Laravel and React, ensuring the final product is both easy for you to maintain and highly responsive in any browser. Because I work directly on the code and manage the DevOps side myself, I can implement your UI tweaks and report filters while setting up a streamlined deployment pipeline on your hosting. My focus is on writing clean, documented code and containerizing the application so that hand-off is seamless and future maintenance is straightforward for you. I’m ready to review your source code and schema to provide a precise estimate, but I can typically turn around migrations like this much faster than a standard dev team. Once I see the complexity of the current features, I'll give you a firm timeline and cost. Let's get started.
₹7,000 INR in 2 days
4.3
4.3

As a Paper Perfect developer, I'm confident in my ability to take on your web migration project. With proficiency in front-end and back-end technologies like React, Angular, Node.js, C# programming, and database management—including skills relevant to your project such as API development—I'm well-equipped to transfer every feature of your desktop billing program into a secure web-based application with ease. Your requirement for a simple, secure user-authentication system is one of my strengths as I've successfully implemented similar solutions numerous times. Additionally, my expertise in UI polishing will be invaluable when we turn our attention to improving and enhancing the user experience of the software. Not only will I ensure a swift migration of your existing system to web-based platform, but I'm also committed to ensuring that you have thorough code hand-off documentation. This means you’ll not only receive an efficient and scalable software solution by leveraging modern tools and stacks but also the knowledge necessary to maintain it later on. So let's get started and bring your vision to life together!
₹7,000 INR in 7 days
3.6
3.6

Hey, I understand that you are looking to migrate your existing desktop billing software to a web-based application accessible via any modern browser. My approach involves meticulously transferring all current features to the web platform, implementing a secure user authentication system, and incorporating requested tweaks for enhanced user experience. With my proficiency in HTML and Web Development, I am well-equipped to handle the technical aspects of this project. I have a strong track record of successfully completing similar web migration projects, ensuring seamless functionality and user-friendly interfaces. Best Regards, Sana
₹12,000 INR in 7 days
3.8
3.8

I understand you need a secure web-based version of your billing software and a clear estimate for the complete migration process. I’ll be using PHP and MySQL to recreate the existing functionality, ensuring a smooth transition and including detailed code hand-off documentation for future maintenance. With the 7-day timeline, I anticipate having the migrated application deployed to your hosting account and ready for review by the end of next week.
₹6,948 INR in 7 days
4.1
4.1

Hello, I have carefully reviewed your requirement to migrate your desktop billing system into a secure, browser-based web application, and I’m confident in delivering this efficiently. With 5+ years of experience in full-stack development (PHP/Node.js, MySQL, and modern frontend frameworks), I will convert all existing features into a responsive web app accessible over HTTPS, ensuring smooth performance and data integrity. I’ll implement secure authentication (email/password with optional role management) and incorporate your requested UI improvements and reporting filters. I will also optimize the database, ensure clean API structure if needed, and handle deployment on your hosting with proper documentation for future maintenance. Estimated timeline: 10–18 days (depending on code complexity) Cost: Flexible after code review You’ll receive a fully functional system, tested deployment, and support post-launch. Let’s connect to review your current codebase and finalize scope. Best regards, Arshiya
₹12,000 INR in 7 days
3.9
3.9

Hi, I can convert your desktop billing software into a secure web-based application with full feature parity. ✔ Complete feature migration to web ✔ Secure login system (with role management) ✔ UI improvements + report filters ✔ MySQL integration + clean API structure ✔ Deployment on your hosting + documentation Proposed Stack: PHP/Laravel or Node.js (as per your preference) Timeline: ~7–10 days I focus on reliable, scalable systems with easy maintenance. Ready to start immediately. Let’s discuss Regardss
₹7,000 INR in 7 days
3.4
3.4

Hello, I can help you migrate your existing desktop billing system into a modern, secure web application using **React (frontend) + .NET Core Web API (backend) + PostgreSQL (database)**. This stack ensures performance, scalability, and easy long-term maintenance. All current features will be fully replicated in the web version, including billing, reporting, and data handling. I will also implement secure user authentication (email/password) with optional role-based access. Any UI improvements and additional report filters you require will be incorporated during development. The application will be responsive, accessible over HTTPS, and deployed on your hosting environment. I will also provide clean, well-structured source code, database setup scripts, and clear documentation so you can manage and extend the system بسهولة. **Timeline:** 10–14 days **Budget:** ₹10,000 INR Post-deployment, I’ll offer support to ensure everything runs smoothly. Looking forward to working with you. Best regards, Adit
₹10,000 INR in 5 days
3.0
3.0

Hi I will need to see your code first For cost and turnaround time as i don't know how complex it is. For the stack i have built a couple of sites using supabase for db and auth, html,css,js for frontend and ASP.net for backend. I would appreciate the opportunity to talk to you in more details. Best regards
₹12,500 INR in 7 days
3.1
3.1

Hello, I understand you want to convert your existing desktop billing software into a secure, browser-based web application, while keeping all current functionality intact. I’m SamreenCoders, experienced in migrating desktop systems to scalable web applications. Proposed Approach: • Frontend: React or clean HTML/CSS/JS (based on your preference) • Backend: Node.js / Laravel / Django (depending on your current logic) • Database: Reuse your existing schema (MySQL/PostgreSQL) with optimization if needed • Deployment: Secure HTTPS setup on your hosting What I will deliver: • Complete web-based version with all existing features • Secure login system (email/password + optional roles) • UI improvements + report filters as required • Clean, maintainable codebase • Full deployment + post-launch support • Documentation for future maintenance Focus: • Exact feature parity with your desktop system • Fast, responsive UI • Secure and scalable architecture I’ve handled similar desktop-to-web migrations, ensuring smooth transition without breaking workflows. Feel free to message me so we can discuss the project further. Warm regards, SamreenCoders
₹7,000 INR in 4 days
1.9
1.9

Hello, I am a skilled Full Stack App & Web Developer with expertise in PHP, MySQL, HTML, and UI/UX design. I have successfully migrated desktop applications to web-based platforms, ensuring seamless functionality and user-friendly interfaces. My portfolio showcases similar projects that highlight my ability to deliver high-quality solutions. I am confident in my ability to meet your requirements for migrating your billing software to a web-based application. I prioritize clear communication and understanding of project needs to deliver exceptional results. I am eager to discuss your project further and collaborate on creating a successful solution. Please review my portfolio for a better understanding of my capabilities. Let's connect and transform your desktop billing program into a modern web application. Best regards,
₹7,000 INR in 7 days
1.3
1.3

Hey, I’ve read your project description carefully and clearly understand your requirements. You need to convert your desktop billing software into a secure, web-based application with full feature migration and some UI/report enhancements. I have 5+ years of experience in Web Development, PHP, MySQL, and building scalable web apps from existing systems. I will deliver a reliable, secure web app with smooth functionality and easy maintenance. • Migrated desktop systems to web apps with full feature parity and optimized database handling • Implemented secure authentication, role-based access, and clean, responsive UI • Deployed apps with documentation, hosting setup, and post-launch support Best Regards, Jasraj Kaur
₹2,500 INR in 3 days
0.0
0.0

Greetings, With over 3 years of Python development experience, I have a proven track record of building scalable API-driven platforms, just like you require for your billing software migration. My expertise lies in using Django/DRF and PostgreSQL, and I'm well-versed in efficient database optimization and API architecture design. Furthermore, my ability to work with FastAPI patterns means I can quickly adapt to any stack you prefer. My approach towards projects revolves around clear communication and taking initiative. This includes efficiently familiarizing myself with new codebases so I can hit the ground running. And one more thing: as meticulous as I am about clean code and predictable outputs, my post-launch support will include comprehensive documentation that will empower you to maintain the system later should you choose to do so.
₹7,000 INR in 2 days
0.0
0.0

Kanpur, India
Member since Dec 25, 2025
₹1500-12500 INR
₹12500-37500 INR
₹12500-37500 INR
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€5000-10000 EUR
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₹12500-37500 INR
₹12500-37500 INR