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I want a full-fledged inventory management solution that runs both in the browser or as a standalone desktop application. SQL will be the single source of truth for all data, so plan on a robust schema that can scale and stay responsive under multi-user load. Core modules I must see in the finished product: • Product tracking with real-time stock levels • Order management from purchase through fulfilment • Sales reporting with easy-to-read dashboards and export options • Invoice management tied directly to orders and customer records The system has to be software and the POS terminals on the shop floor. Whether you achieve that through a REST API, direct database hooks, or packaged connectors is up to you, as long as data flows reliably in both directions and keeps everything in sync Deliverables will include the responsive web app, the desktop installer, the normalized SQL database scripts, integration utilities, and concise user/admin documentation so my team can deploy, use, and maintain the whole stack without outside help.
Project ID: 40390896
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150 freelancers are bidding on average $172 USD for this job

Hello, I can build a complete inventory management system with a strong SQL base that handles products, orders, sales, and invoices smoothly. I’ll create both a web app and a desktop version with real-time syncing and multi-user support. The system will be fast, scalable, and easy to use with clear dashboards and reports. I’ll also provide proper setup and documentation so your team can manage everything without any hassle. Are you free to have a quick talk so that we can begin right away? With Gratitude and Best Wishes, Harpreet Singh
$150 USD in 5 days
9.5
9.5

With nearly two decades of industry expertise as a leading web and app development company, CnELIndia is primed to tackle your Dual-Platform Inventory System project head-on. We possess the requisite skills in API Development, MySQL, PHP and Web Development to ensure that we deliver a responsive, robust solution for your business needs. You can trust us to create a scable and highly-responsive schema that stays true to SQL as The source. Not only do we understand the significance of having real-time stock levels, order management from purchase through fulfilment, sales reporting with easy-to-read dashboards and export options, as well as invoice management intimately but we have also developed an array of similar applications - successfully. CnELIndia guarantees timeliness and high-quality deliverables. In addition to providing you with the dual-platform inventory system – including the responsive web app, the desktop installer, the normalized SQL database scripts -, we will also develop integration utilities and offer concise user/admin documentation so your team can deploy, use, and maintain the whole stack without external assistance. We're not just interested in completing projects but in building long-term partnerships. Let's bring your vision for an effective inventory_management_system into reality together!
$250 USD in 7 days
9.0
9.0

Hi, You need a single inventory system that works seamlessly on web and desktop—same data, two interfaces. Quick question: are you syncing real-time across both platforms, or do they operate independently? We've built exactly this stack (PHP/C#, MySQL APIs). Let's talk details. Best Regards, Hasan
$200 USD in 7 days
8.7
8.7

Hi, I just finished reading through your Dual-Platform Inventory System requirements, and I'm genuinely excited about this one. Your vision is exactly what I specialize in—let's make it happen. I've been building WordPress and Shopify sites for 5+ years, and here's the thing—I don't just build sites, I build sales machines. With 450+ projects under my belt and a 4.9★ rating, I understand what actually converts. Your project is in good hands. I handle the complete picture: WordPress setup, WooCommerce/Shopify optimization, payment integrations, performance tuning, and SEO. More importantly, I understand e-commerce psychology—every decision is about getting your customers to buy again and again. I've built stores doing everything from $10K to $500K in annual revenue. One client saw 45% conversion increase after I optimized their checkout flow. Another went from struggling to $50K monthly recurring. I don't just build—I solve real business problems. I'd love to jump on a 15-minute call to understand your specific goals and timeline. Not to pitch you—just to be honest about whether I'm the right fit and what we could achieve together. What works better for you, this week or next? Looking forward to working with you, Kausar Parveen
$250 USD in 5 days
8.3
8.3

Interesting project, I will deliver the web app, desktop build (Electron), normalized SQL schema, POS integration layer, and documentation — covering product tracking, order management, sales dashboards, and invoicing. For POS sync, I will use a REST API with an event queue so no transaction is lost if connectivity drops — the queue replays once the link restores, keeping SQL as the single source of truth without conflicts. Questions: 1) Which POS system(s) does your shop floor currently run? 2) How many concurrent users should the system support? Looking forward to your response. Best regards, Kamran
$90 USD in 5 days
8.4
8.4

⭐⭐⭐⭐⭐ Build a Complete Inventory Management Solution for Your Business ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you are looking for an inventory management solution. You have no need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for inventory management systems. I will create a robust solution that runs both in the browser and as a desktop application, using SQL as the central data source to ensure efficiency and reliability. ➡️ Why Me? I can easily build your inventory management system as I have 5 years of experience in software development, focusing on database design, web applications, and user interfaces. My expertise includes SQL, REST APIs, and multi-user system architecture. ➡️ Let's have a quick chat to discuss your project in detail. I can show you samples of my previous work, showcasing my ability to deliver high-quality solutions. Looking forward to discussing with you in chat. ➡️ Skills & Experience: ✅ SQL Database Design ✅ Web Application Development ✅ Desktop Application Development ✅ REST API Integration ✅ User Interface Design ✅ Order Management Systems ✅ Sales Reporting Dashboards ✅ Invoice Management ✅ Multi-User System Architecture ✅ Data Synchronization ✅ Documentation Writing ✅ Project Management Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
7.8
7.8

Hello, This is a solid, business-critical system and I’ve worked on similar inventory and order management platforms where performance, data integrity, and multi-user handling are key. My approach: I’d design a normalized SQL database (PostgreSQL/MySQL) as the single source of truth, ensuring scalability and fast query performance. On top of that, I’d build a REST API layer (Node.js or Laravel) to handle all business logic—products, orders, invoices, and reporting. For the interface, I’d create a responsive web app (React/Vue) and package a desktop version using Electron, so your team can use it both in-browser and as standalone software. Core modules will include: • Real-time stock tracking with transaction-safe updates • Order lifecycle management (purchase → fulfillment) • Sales dashboards with export (CSV/Excel) • Invoice generation tied to customers and orders For POS integration, I’ll implement secure API endpoints or connectors to sync data reliably in both directions. You’ll receive full source code, SQL scripts, installer, and clear documentation for setup and usage. A few questions: Do you have any preferred tech stack (Node, Laravel, .NET)? What kind of POS system are you currently using? Expected number of users/concurrent operations? Do you need role-based access (admin, staff, etc.)? I can build this as a clean, scalable system your team can confidently manage long-term. Best regards, Rekha!!!
$250 USD in 7 days
7.8
7.8

Hello, With 4 years of experience in Web Development and expertise in PHP, SQL, and Database Management, I understand the requirements for the Dual-Platform Inventory System project. I am confident in providing a professional solution that includes product tracking, order management, sales reporting, and invoice management. I have the skills in API Development and Desktop Application to ensure seamless integration between the browser and desktop application. I have carefully reviewed the project details and am prepared to deliver a robust inventory management solution that meets your specifications. Let's discuss further in the chat to explore how I can bring this project to fruition. Looking forward to collaborating with you. Best regards, Taimoor from Pixels Soft
$199 USD in 7 days
6.6
6.6

Hello, I can build your dual‑platform inventory system with a clean workflow that keeps the web app and desktop application fully synced through a solid SQL structure. I’ve worked with C#, PHP, and MySQL in similar multi‑user environments, so I can deliver something stable for real‑time stock and order handling. I’ll keep the reporting, invoicing, and POS data exchange simple to use while making the backend strong enough for your team to maintain easily. Thanks, Teo
$200 USD in 2 days
6.5
6.5

Hello, I will develop a Dual-Platform Inventory Management System with a centralized MySQL database ensuring real-time synchronization between web and desktop POS modules. The system will include product stock tracking, order management from purchase to sales, invoice generation, and reporting dashboards. A scalable REST API (PHP/C#) will ensure secure and consistent data flow between all clients with optimized SQL design. Deliverables include responsive web app, C# desktop POS application, normalized SQL schema, API integration layer, and documentation for deployment and maintenance. Thanks, Asif
$250 USD in 3 days
6.6
6.6

Drawing on over a decade of extensive, diverse experience in full-stack development (especially with web and mobile applications), I believe I am uniquely equipped to deliver your dual-platform inventory management system. I understand the core modules you require like product tracking, order management, sales reporting, and invoice management. My competency with SQL ensures that I can create a robust schema for your system, guaranteeing optimal scalability and responsiveness even under high multi-user load. Not only that, but my specialization in APIs and integrations will ensure your system is flawlessly interconnected with the software at the POS terminals. Whether through REST API or direct database hooks, I will make sure your data flows smoothly in both directions keeping everything synchronized. And to fully meet your requirements for smooth operation and future referencing, I commit to delivering concise user/admin documentation. Lastly, my proficiency with software platforms such as PHP and WordPress gives me an added advantage concerning delivering comprehensive deliverables like the responsive web app, desktop installer as well as normalized SQL database scripts. I'm ready to build your solution without delay so let's connect!
$80 USD in 7 days
7.0
7.0

Hi, I can deliver a high-performance inventory management system with a centralized SQL database powering both web and desktop applications. The solution will cover real-time stock tracking, end-to-end order management, invoicing, and intuitive sales dashboards with export capabilities. I’ll ensure reliable multi-user performance, clean architecture, and seamless POS integration via secure APIs so all data stays perfectly in sync. For efficiency and scalability, I recommend a modern stack (React + Node.js/Django) with an Electron-based desktop app. You’ll receive complete source code, database schema, integration utilities, and clear documentation for easy deployment and maintenance. Quick questions: Which POS system should we integrate with? Any preference for tech stack or hosting? Estimated timeline: 4–6 weeks for a production-ready MVP. With regards! Apurva
$250 USD in 7 days
6.5
6.5

Hi, I’m Abhishek Rathore, a senior full-stack engineer. You need a dual-platform inventory system with SQL as the single source, syncing web, desktop, and POS reliably under multi-user load—I can build that cleanly. ? Approach Node.js + Express REST API with PostgreSQL (normalized schema). React for web, Electron wrapper for desktop. Single API layer ensures consistent logic across all clients and POS connectors. ✅ Core Features • Real-time product stock with transactional updates • End-to-end order lifecycle (purchase → fulfilment) • Sales dashboards with CSV/PDF export • Invoice generation tied to orders/customers • Role-based access for staff/admin • POS sync via secure API/webhooks ☁️ Reliability / Performance Use DB transactions + row-level locking to avoid stock conflicts. Indexed queries + pagination for fast reporting. Offline-safe sync queues for POS to prevent data loss. ? Deliverables Responsive web app, desktop installer, SQL schema scripts, API + POS integration utilities, and clear user/admin docs. ? Why Me Built similar inventory + billing systems (e.g., Rhythm) with multi-client sync and reporting. One question: do your POS terminals support API calls, or should I plan a lightweight local sync agent?
$200 USD in 5 days
6.1
6.1

Hi, the clean way to build this is around one transaction and inventory lifecycle, not separate modules for products, orders, invoices, and dashboards. A real flow would be: staff creates or updates a product -> stock becomes available across web, desktop, and POS -> an order is placed -> fulfilment changes stock in real time -> invoice is generated against that same order and customer record -> reporting pulls from the same SQL source without duplicate calculations. That is what makes the system usable day to day instead of becoming a set of disconnected screens. These systems often look complete, but fail when stock movement, order status, and invoicing are handled in different places. One real issue is inventory showing available in one interface while an order or POS sale has already reduced it elsewhere, so I would handle it by centering everything on one SQL transaction model with clear state transitions and sync rules. The part to get right early is the stock and order state model, because that controls both usability and data correctness.
$140 USD in 7 days
6.2
6.2

Hi, I have 9 years experience in (C#, .NET, SQL Server/MySQL, REST API development, desktop application development, and responsive web application architecture). For this project, I have real hands-on experience building business systems with shared SQL backends, and I will develop a reliable inventory platform with product tracking, order and invoice management, reporting dashboards, and POS integration utilities, delivered as both a web app and desktop application with a clean database design that stays fast and maintainable under multi-user usage. You can expect clear communication, fast turnaround, and a high-quality result. Best regards, Juan
$140 USD in 1 day
6.0
6.0

Hello There!!! ★★★★ (Build scalable dual-platform inventory system with real-time sync) ★★★★ I understand you need a complete inventory system working both as web app and desktop software, with SQL as core, handling stock, orders, invoices, reporting, and seamless POS integration with real-time sync. ⚜ Product & real-time stock tracking ⚜ Order & fulfillment management ⚜ Sales dashboards + export reports ⚜ Invoice system linked to customers ⚜ SQL schema design (scalable) ⚜ Web + desktop application build ⚜ POS integration & sync utilities I have experince building inventory and business systems with strong database design and multi-user handling. I focus on reliability and simple maintainable architecture. My approach is using a REST API with SQL backend, web app (React/Next) and desktop via Electron or C#. This keeps sync clean and scalable without overcomplication. Happy to discuss your workflow and start soon. Warm Regards, Farhin B.
$110 USD in 10 days
6.5
6.5

With a number of years of experience under my belt in software development, I'm the perfect fit for your dual-platform inventory system project. In addition to being adept at creating responsive web applications, I can also deliver a standalone desktop installer that can be seamlessly integrated with your shop floor Point of Sale (POS) terminals. I will ensure that data flows reliably in both directions and synchronizes perfectly. My proficiency extends to SQL database management, which will be the crux of your project to maintain robust and scaleable data. I have an established record of constructing high-performing websites and content with a focus on SEO-driven strategies, this combined is sure to produce a comprehensive schema that genuinely meets your needs. Not only will I provide the relevant scripts, but also integrate utilities and deliver user/admin documentations assuring your team can confidently use and maintain the full system. Your trust is my first priority and I look forward to making your vision a resounding success with my diverse skill set and ability to handle both technical and content sides.
$140 USD in 7 days
5.8
5.8

Hello, I am an expert with 15+ years of experience in the technical world, delivering simple to complex websites, e-commerce platforms, membership systems, and custom portals. I always provide clear communication, continued support after delivery, and 100% client satisfaction. I specialize in PHP development, building secure, scalable, and high-performing web applications with custom scripts, API integration, and database management (MySQL, MariaDB, etc.). From dynamic websites to enterprise-level solutions, I focus on delivering clean code and business-driven results.
$100 USD in 7 days
5.9
5.9

Hi, I came across your project "Dual-Platform Inventory System" and I'm confident I can help you with it. About Me: I'm a agency owner with over 8+ years of experience in PHP, MySQL, API Development, Desktop Application, SQL, Web Development. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak
$130 USD in 7 days
5.8
5.8

Hello, I can build a full-fledged inventory management system that runs smoothly in the browser and as a standalone desktop app, with SQL as the single source of truth and a schema designed for multi-user performance and scalability. I’ll implement real-time product tracking, complete order lifecycle management, sales dashboards with exports, and invoice management linked to orders and customers. The system will reliably sync with your POS terminals through secure integrations (REST API or connectors) to ensure accurate, bidirectional data flow. Deliverables will include the responsive web app, desktop installer, normalized SQL scripts, integration utilities, and clear user/admin documentation so your team can manage everything independently. A few questions: Which POS software or hardware are you currently using? Do you prefer a specific SQL database (PostgreSQL/MySQL/SQL Server)? Will this system be deployed on-premise or on the cloud? I’m confident I can deliver a scalable, maintainable solution tailored to your workflow.
$250 USD in 5 days
6.0
6.0

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