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MarketBoss POS — Complete Point of Sale System A fully-featured offline desktop POS application built for small and medium retail stores, grocery shops, and supermarkets. No internet required. No subscriptions. One-time purchase. Windows Desktop 100% Offline Electron + SQLite Arabic / English / French Portable — no install needed Framework Electron + Vanilla JS Database SQLite (local) Languages 3 (AR / EN / FR) Internet required None 1. Point of Sale (POS) Barcode scanning Scan products manually or search by name. Instant cart addition with quantity controls (+/−) per item. Multiple payment methods Supports cash, card, and bank transfer. Calculates change automatically for cash payments. Invoice & receipt printing Professional receipt layout with store name, address, phone, tax details, and itemized list. Print or skip per sale. Hold cart (suspended sales) Pause a sale mid-transaction and resume it later — ideal for busy checkout counters. Discounts Apply a fixed amount or percentage discount directly on the invoice before checkout. Full keyboard shortcuts F2 = scan, F4 = pay, F5 = clear cart, Del = remove item, C = calculator, ? = help. Designed for fast cashier workflow. Sound feedback Beep sound on barcode scan, ka-ching sound on completed sale for a natural retail experience. 2. Product & inventory management Full product CRUD Add, edit, and delete products. Each product has: barcode, name, category, emoji icon, price, stock quantity, low-stock threshold, and unit type. Low stock alerts A persistent warning banner appears at the top when any product falls below its defined stock threshold. Search & filter Instantly search and filter products by name, barcode, or category from the product management screen. CSV export Export the full product list to CSV for external use, backup, or analysis in Excel or Google Sheets. 3. Reports & analytics Daily report Shows total revenue, number of invoices, units sold, and total discounts applied — all for the selected day. Cashier performance report Track sales performance per employee — how many transactions each cashier completed and their total revenue. Best-selling products Ranked list of top-selling products by quantity sold, helping owners make smart restocking decisions. Recent invoices View and print the latest sales invoices. Export all report data to CSV or send directly to printer. 4. Returns & refunds Invoice lookup Search any past invoice by its number to initiate a return. Partial or full returns Select specific items from a past invoice to return — no need to refund the entire sale. 5. User management & access control Two roles: Manager & Cashier Manager requires a password to log in. Cashier logs in with a single click — fast and simple for staff. Permission restrictions Cashiers cannot add/edit products, access settings, or view full reports. Only managers have full access. Multilingual user names Default user names change based on the selected language: Arabic (Ahmed/Sara/Mariam), English (Michael/Diana/Sarah), French (Jean/Marie/Sophie). 6. Settings & customization Store profile Set your store name, address, and phone number — all appear on every printed receipt. VAT tax control Enable or disable VAT with a custom percentage rate. Tax is calculated and shown automatically on receipts. Instant language switching Switch between Arabic, English, and French at any time without restarting — the entire UI updates immediately. Auto-lock Screen locks automatically after a configurable idle period, protecting the system from unauthorized access. Data management Export or import the full database, clear old invoices, or reset all data — full control over your data. 7. Technical details Local SQLite storage All data is stored locally on the machine using SQLite, with automatic JSON backup to %APPDATA%\marketboss-pos. Portable build Runs directly from a USB drive or folder — no installation required. Ready for Windows Store deployment as well. Fully offline Zero internet dependency. Works in locations with no connectivity — perfect for markets, kiosks, and small shops. Built-in calculator A calculator is accessible at any time via the C shortcut key, without leaving the POS screen.
Project ID: 40482243
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85 freelancers are bidding on average $520 USD for this job

⭐⭐⭐⭐⭐ 0As the CEO of CnELIndia, I can guarantee an extraordinary product delivery with your MarketBoss POS project. Our team, which has accumulated 18 years of industry experience, would offer unrivaled expertise that comprises database management, particularly SQLite - a key ingredient to your desktop POS system as you seek to maneuver data offline. Besides, our skills in React Native and Electron + Vanilla JS will allow us to develop a blazing fast product that is easily portable and a hundred percent offline - hence no interruptions in sales even in no-network zones. Our commitment to developing systems that meet specific client needs like yours further equips us to provide you with the customized store profile, multilingual options, VAT tax control etc. that you seek for your POS system project. Ultimately, we assure you that our steadfastness stems from not only delivering quality systems but also ensuring they are on time and budget. To date, we have served 743 satisfied clients and built rich testimonial portfolio. Join the happy client bandwagon by trusting us with your project and we shall ensure MarketBoss POS is armed with ease-of-use, sound-feedback mechanism and amplified security measures so your store runs smoothly and profitably in any setting!
$500 USD in 7 days
7.6
7.6

I can help with this, I will build MarketBoss POS as a portable Electron + SQLite desktop app — barcode scanning, multi-payment checkout, hold cart, returns, and trilingual UI (AR/EN/FR) — all running fully offline. For the instant language switching, I will structure all UI strings in a single JSON map per language and bind them reactively, so toggling AR/EN/FR swaps every label without a restart or state loss mid-transaction. RTL layout for Arabic will flip dynamically alongside the text. Questions: 1) Do you have a preferred thermal receipt printer model, or should I support ESC/POS commands broadly? 2) Will the auto-lock screen require re-authentication for both roles, or only managers? Looking forward to discussing further. Best regards, Kamran
$279 USD in 10 days
7.3
7.3

A POS SYSTEM MUST BE FAST, RELIABLE, AND SIMPLE TO USE—ESPECIALLY WHEN IT'S DESIGNED TO RUN 100% OFFLINE. I have reviewed the MarketBoss POS requirements and understand that the goal is to build a complete offline desktop POS solution using Electron and SQLite, supporting multilingual operation (Arabic, English, French) with zero internet dependency. With 12+ years of experience in desktop applications, POS systems, inventory management, and retail software, I can deliver the complete solution including: • POS with barcode scanning, suspended sales, discounts, receipts, and multiple payment methods • Product & inventory management with stock alerts and CSV export • Sales reports, cashier performance tracking, and analytics • Returns & refund management • Role-based access control (Manager/Cashier) • Multilingual UI with instant language switching • Store settings, VAT management, auto-lock, and backup tools • Portable Electron application with SQLite local database My focus will be on performance, offline reliability, clean architecture, and an intuitive cashier workflow suitable for retail stores, supermarkets, and grocery businesses. I can deliver a well-documented, production-ready application with clean code, testing support, and future scalability for additional modules and integrations.
$250 USD in 7 days
6.6
6.6

The trickiest part of building an Electron + SQLite POS isn't the checkout flow or inventory screens, it's designing the local database layer so a power cut mid-transaction never corrupts stock counts or leaves a receipt in a broken state. Most desktop POS builds skip proper SQLite WAL mode and atomic commit patterns in the early sprint, then spend weeks debugging phantom inventory discrepancies in production. I'd start by architecting the data layer with proper transaction isolation covering sales, returns, voids, and stock adjustments, then build the Node.js business logic and Electron UI on top of that foundation so everything from barcode scan to receipt print is one atomic operation. I move fast on scopes like this, I can have a working prototype with core checkout, inventory tracking, and receipt generation ready for your review within 7 days. Are you targeting a single-terminal setup, or do you need the system to eventually support multiple tills sharing one local SQLite database? Best, Salma Noreen
$669 USD in 14 days
6.3
6.3

Hi, MarketBoss POS is a well defined desktop product, and the offline first requirement makes Electron with SQLite a strong fit. I can build the Windows portable POS with fast cashier workflow, local database storage, multilingual UI, and no internet dependency. I can develop the POS screen with barcode scan/search, cart controls, discounts, cash/card/bank transfer payments, hold cart, receipt printing, keyboard shortcuts, and sound feedback. I can also build product and inventory CRUD, low stock alerts, CSV export, returns and refunds, invoice lookup, daily reports, cashier performance, best sellers, recent invoices, and manager/cashier permissions. For settings, I can include store profile, VAT control, language switching for Arabic, English, and French, auto lock, backup/import/export, and reset tools. The final app can be packaged as a portable Windows build with SQLite and clear documentation. Best, Justin
$500 USD in 7 days
5.9
5.9

As a seasoned Full-Stack developer with over 10 years of experience, I am confident that I possess the necessary skills to create the MarketBoss POS system you're seeking. My expertise lies in using technologies like Electron and SQLite, which align perfectly with your project needs. Additionally, my proficiency in databases, including SQLite, reflects my understanding of local data storage and management essential for a robust offline system like yours. Ease of use and efficiency are paramount for any Point of Sale system, which is why I believe my proficiency in JavaScript is invaluable for your intended keyboard shortcuts, barcode scanning, and search functionalities. These features not only enhance the cashier's workflow but also make a significant impact on your customers' shopping experience. Finally, throughout my career, I have successfully built e-commerce solutions integrating secure and efficient payment methods like you require. Trust me with this project; expect clean code, clear communication and timely delivery — every time.
$250 USD in 7 days
5.8
5.8

Hello dear, Greetings from MD. Toriqul Islam! We are a dedicated Web Design & Development team with over 10+ years of industry experience. I’m Engineer Toriqul Islam, an experienced Computer Science & Engineering graduate from RUET. We specialize in building modern, scalable, and user-friendly digital solutions tailored to business needs. What I Offer We help businesses grow online by delivering: • Clean, modern, and responsive website designs • High-performance and scalable web applications • User-focused UI/UX for better engagement and conversion My Technical Expertise We work across a wide range of technologies, including: • Frontend: HTML5, CSS3, Bootstrap, JavaScript, jQuery, Angular, React • Backend: Node.js, PHP, Laravel, .NET, CodeIgniter, Ruby on Rails, Python • CMS & Platforms: WordPress • Database: MySQL, MongoDB • Mobile Development: React Native, Flutter, and more Why choose me? ✔️ Clean, optimized, and well-documented code ✔️ Reusable and scalable components ✔️ On-time delivery with complete requirement fulfillment We are confident in our ability to turn your ideas into a powerful digital product. Let’s discuss your project and make it a success. Looking forward to working with you! Best Regards, Md. Toriqul Islam
$250 USD in 5 days
5.5
5.5

You have a solid offline POS system with MarketBoss and clear features that cover retail needs well. If your goal is to enhance or troubleshoot this app, I can help improve its usability and reliability. For example, when I worked on a local retail POS built with Electron and SQLite, I streamlined barcode scanning speed and fixed data sync bugs between SQLite and the UI. That experience helped cut down checkout time and prevented data loss during power cuts. To help you better, do you want improvements around performance, UI polish, or adding integrations like label printers or export formats? Also, are you facing any data corruption or backup issues? Based on your detailed setup (offline, multi-language, portable), I can start by reviewing database management and implementing quick shortcuts enhancements or optimizing receipt printing logic. I can also assist with multilingual UI testing to ensure smooth language switching without reloads. Ready to dive in and get your POS handling higher sales volumes and smoother daily use. Let me know where you’d like to begin.
$750 USD in 7 days
5.4
5.4

Hello, With extensive experience in Electron JS and desktop POS systems, I am confident in delivering a robust, offline-capable solution tailored for small to medium retail stores like MarketBoss POS. I will develop a fully-featured application that includes barcode scanning, multiple payment options, detailed reports, inventory management, and multilingual support to meet your comprehensive requirements. What are the primary features you want to prioritize in the initial release of MarketBoss POS? Thanks, Juan Aponte
$600 USD in 7 days
5.4
5.4

With a solid background in JavaScript, Node.js, and SQLite, I am confident in my ability to create your complete Point of Sale system with all its intricate features. My experience in full-stack web development alongside my knowledge of Electron and easy-to-use databases like SQLite, makes me the perfect fit for the job. I understand the need for a system that performs seamlessly offline and requires no subscriptions. One of the main advantages I bring to the table is my understanding of customer needs and creating interfaces that solve them efficiently. Your project has numerous elements that require simplicity without compromising on functionality, and I can deliver just that. From barcode scanning to receipt printing, multilingual user names, and even data management; every aspect will be given full attention to detail. My aspiration is to always go above and beyond to meet or exceed client expectations. Not only will I deliver this POS system with all tasks functioning optimally,but I will design it with a smooth workflow in mind. From automated backups to efficient inventory management inclusive of low stock alerts, these are just some ways working with me will add value to your project.
$300 USD in 4 days
4.9
4.9

You nailed the scope by making this fully offline, portable and multilingual — that combo is where most POS projects break (data integrity, printer reliability, RTL layouts). The real issue isn’t features, it’s making local transactions bulletproof while keeping the cashier workflow instant and keyboard driven. I built PicMe, a cross platform marketplace where I handled complex transactional flows, local caching and fast UI states across devices. My approach 1. Quick code and SQLite schema review to ensure atomic writes and verify the JSON backups in APPDATA. 2. Optimize cart and shortcut handlers so F2 F4 F5 Del and C are race free and low latency. 3. Test barcode scanner, receipt printing and VAT calculation across Arabic English and French including RTL layout checks. 4. Build a portable Windows package, add a simple upgrade/backup routine and provide a short test plan. Do you have the current repo or a sample database and a preferred receipt layout? I can prepare a short architecture diagram and a test build once I have those.
$500 USD in 7 days
4.8
4.8

Hello Dear! Good Day! Hope you are doing fine. This is Ruhul Ajom Sagor. I am an expert "Web Developer" with 10+ years of working experience in PHP, HTML5, CSS3, JavaScript, jQuery, Bootstrap, MySql and different Frameworks. I have completed my B.S.C Engineering in Computer Science and Engineering (CSE) from BUET. Hire me and you don't have to worry about your website problems again! I'll add value to your projects by creating astonishing designs and code with high impact and optimized user interaction that leads to bigger conversions. WHAT PROBLEMS CAN I HELP YOU SOLVE? • Custom Websites Using PHP and Frameworks • e-Commerce Websites (Woo-Commerce and Shopify) • Custom WordPress themes • On-Page and Off-Page SEO • WordPress themes Customization • Database Modeling/Development • WordPress migrations and upgrades • Responsive Coding (Make your website compatible with: smartphones, tablets, desktops) • Websites speed and loading time improvements • Cross-browser compatibility • PSD to HTML to WordPress conversion • HTML5/CSS3/jQuery websites based on Bootstrap I love challenges, talking to my clients, and meeting others’ standards as well as expectations. I will be discussing everything in detail, giving my full advice and delivering through best of my skills. You are cordially welcome to discuss your project. Thank You! Best Regards, Ruhul Ajom
$250 USD in 4 days
4.9
4.9

Hello, I’ve read Market Boss POS and I’m confident I can deliver a robust, offline Windows desktop POS that runs from a USB or folder without installation. I’ve built similar Electron + SQLite solutions that prioritize fast cashier workflows, offline reliability, and clean, multilingual UIs. My approach adapts your 3-language, barcode-scanning, and stand-alone architecture into a polished, production-ready desktop app with reliable local storage, intuitive shortcuts, inventory alerts, and granular user roles without internet dependency. I will implement a modular POS core with offline data storage, real-time stock alerts, discount handling, multi-method payments, receipts, hold-cart, and a responsive inventory manager with CSV export. I’ll ensure role-based access, language switching, and secure data export/import, plus a portable build that runs from USB. I’ll deliver a working prototype within a couple of weeks and iterate based on your feedback to guarantee a smooth, accurate checkout experience. Please feel free to contact me so we can discuss more details. I am looking forward to the chance of working together. Best regards, Billy Bryan
$500 USD in 7 days
4.5
4.5

✋ Hi There!!! ✋ The Goal of the project:- Develop a complete offline POS desktop system with inventory, billing, and reporting features I carefully read your requirement for MarketBoss POS including offline Electron app, barcode billing, inventory control, multilingual support, reports, user roles, and portable setup. I understand the need for speed, reliability, and smooth retail workflow without internet dependency. I am the best fit as I build efficient desktop systems with optimized performance and clean architecture. • Develop POS system with barcode scanning, cart handling, and receipt printing • Build inventory management with stock alerts and product control • Implement reports, user roles, and multilingual interface with offline SQLite I provide UI design, database management, testing, deployment, and full source code with documentation. With 9+ years experience, I have built POS and inventory systems with desktop applications. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$251 USD in 12 days
4.6
4.6

Hello, Your MarketBoss POS project is very well defined and aligns closely with my experience in offline desktop systems, retail POS workflows, and Electron based applications. I have worked on similar local first software where speed, reliability, and data safety without internet access were critical requirements. I understand the importance of fast checkout flow, barcode scanning, inventory control, receipt printing, multilingual support, and strict role separation between cashier and manager. The offline SQLite structure, portable execution, and instant response time for sales operations are all areas I have handled in previous retail and desktop system work. I would appreciate the opportunity to discuss your project in detail, review your workflow expectations, and understand your priorities for the first version. A short meeting will help clarify UI behavior, reporting depth, and how you want future expansion handled without disrupting the offline core. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
$500 USD in 7 days
4.4
4.4

Hi There!!! ★★★★ (Offline Windows Electron POS system with inventory, multilingual UI & full retail management features) ★★★★ I’ve carefully reviewed your project and understand you need a fully offline desktop POS system built with Electron and SQLite for retail stores. The system should support fast billing, barcode scanning, inventory control, reports, multilingual UI (AR/EN/FR), and run completely without internet as a portable Windows application. ⚜ Electron JS Desktop POS Development ⚜ Offline SQLite Database Integration ⚜ Barcode Scanning & Fast Checkout System ⚜ Inventory & Stock Management Module ⚜ Sales Reports & Analytics Dashboard ⚜ Multi-language UI (Arabic, English, French) ⚜ Receipt Printing & Cashier Role Control I have experience building desktop and web applications using Electron, Node.js, and SQLite with focus on performance, offline capability, and smooth UX. My approach would be to design a lightweight and fast POS architecture optimized for cashier speed, reliable local storage, and clean modular code so future updates like analytics or hardware integration can be added easily. I’d be happy to discuss your UI expectations, printer setup, and timeline so we can build a stable and efficient POS system tailored for real retail environments. Warm Regards, Farhin B.
$256 USD in 10 days
4.2
4.2

مرحباً، يسعدنا التقدم لتنفيذ مشروع نظام نقاط البيع (POS) الخاص بكم. نحن فريق عمل متكامل يضم مطورين ومصممين ومتخصصين في الأنظمة الرقمية، ونمتلك خبرة تزيد عن 10 سنوات في تطوير الحلول التقنية الاحترافية للشركات والمتاجر. نتميز بإتقان اللغتين العربية والإنجليزية، مما يضمن سهولة التواصل وفهم متطلبات المشروع بدقة عالية. كما نمتلك خبرة واسعة في مختلف مجالات التكنولوجيا، بما في ذلك تطوير المواقع الإلكترونية، برمجة تطبيقات الويب والهواتف الذكية، أنظمة إدارة الأعمال، تصميم واجهات المستخدم، إنتاج الفيديوهات، التصميم الجرافيكي، وإدارة الحملات التسويقية الرقمية. سنحرص على تقديم نظام POS احترافي يتمتع بالأداء السريع والاستقرار العالي وسهولة الاستخدام، مع الاهتمام بأدق التفاصيل لضمان تجربة سلسة لأصحاب المتاجر والموظفين. هدفنا هو تسليم منتج موثوق وقابل للتوسع يلبي احتياجات العمل الحالية والمستقبلية بأعلى معايير الجودة. نتطلع إلى مناقشة تفاصيل المشروع والبدء في تحويل رؤيتكم إلى نظام متكامل واحترافي. مع خالص التقدير.
$500 USD in 7 days
4.2
4.2

Hello, Your MarketBoss POS concept is realistic with the stack you specified: Electron, Vanilla JS, Node.js, and local SQLite can support a fully offline, portable Windows desktop POS with multilingual UI, receipt printing, inventory control, reports, refunds, roles, and database backup. The main point is to structure it carefully so sales, stock movements, returns, tax, and reports stay consistent without relying on internet services. I have 7 years of experience building database-driven apps, desktop-style business tools, admin systems, and offline workflows. For this POS, I would design the SQLite schema around products, invoices, invoice items, payments, users, returns, settings, and audit-friendly stock changes. I can implement barcode-based cart flow, keyboard shortcuts, suspended sales, VAT/discount logic, receipt templates, CSV import/export, role-based access, and AR/EN/FR switching with a maintainable translation layer. I would also pay attention to practical retail details: fast cashier navigation, safe local backups under AppData, reliable printing, clear error handling, and testing common cases like partial refunds, low stock alerts, and database restore. A portable Windows build is achievable, though Windows Store readiness may require packaging/signing steps after the core app is stable. I can start anytime and work full-time. I look forward to working with you. Regards, Osama
$285 USD in 2 days
4.1
4.1

Hey there, I’ve thoroughly reviewed your MarketBoss POS project and I’m confident in delivering a robust, user-friendly offline desktop POS tailored to small and medium retail environments. With solid expertise in Electron, Vanilla JS, and SQLite, I’ll ensure seamless barcode scanning, multi-language support (AR/EN/FR), and a smooth cashier workflow including keyboard shortcuts and sound feedback. The inventory management with low-stock alerts and CSV export, plus detailed reports and access controls, will be meticulously crafted as per your specifications. I propose starting with a working prototype within 10 days, followed by iterative enhancements and thorough testing. This approach ensures a bug-free, highly responsive app that’s portable and ready for Windows deployment. Looking forward to your thoughts on timeline or priority features. Which features would you like to prioritize for the initial release phase? Best regards,
$555 USD in 25 days
3.6
3.6

Hello, I’m Karthik, a Full-Stack Software Architect with 15+ years of experience developing POS, ERP, inventory management, and retail automation solutions. I can build MarketBoss POS as a fully offline Windows desktop application using Electron, Vanilla JavaScript, and SQLite exactly as outlined. The system will support multilingual UI (Arabic, English, French), barcode scanning, inventory management, sales processing, returns, reporting, role-based access control, receipt printing, CSV exports, automatic backups, and portable deployment without installation. My experience includes: ✔ Offline POS & retail management systems ✔ Electron desktop applications ✔ SQLite database design & optimization ✔ Receipt/invoice printing integration ✔ Barcode scanner & peripheral support ✔ Multi-language RTL/LTR interfaces ✔ Inventory, reporting & analytics modules I will deliver clean, scalable, and well-documented code with a user-friendly interface optimized for fast cashier operations. Special attention will be given to offline reliability, data security, backup/recovery, and smooth performance on Windows systems. I’m available to discuss your workflow, receipt formats, user roles, and deployment requirements before project kickoff. Looking forward to building a professional, production-ready MarketBoss POS for your business. Best Regards, Karthik 15+ Years Experience | Desktop, Web & Enterprise Solutions
$750 USD in 7 days
4.1
4.1

Kolea, Algeria
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