Android POS App + Source

@Techinfomatic

Hello client, Hope you are doing good!!! I recently Reached across your job post that you are looking for a skilled developer to provide a pos with mobile app and as per your scope of work and required technology i felt that I can assist you perfectly. I have 8+ years of working experience as a website developer & Mobile developer as well. I have vast experience with all the tech stack you have mentioned Feel free regarding any clarification. I am ready to start immediately and looking forward to long business association ahead. Thanks and Looking Forward Rasna Rajput --------------------------------------------------------- Hi there, I’m Rasna Rajput, a software developer with 8+ years of experience. I have completed 80+ projects with a 5-star rating, specializing in mobile app development (Android, iOS, Flutter, React Native), website development, and backend systems. My main aim is to create reliable, scalable, and user-friendly applications that meet your requirements.i am available 24/7 for discussion and work & I am even ready to start immediately and looking forward to long business association ahead. Why hire me? ★ Perfect 5.0 rating on 80+ projects ★ Strong expertise in Mobile apps, APIs, and Web work. ★ Always Focused on delivering results on time and on budget * Always Try 100% satisfaction level. So, Let’s discuss how I can contribute to your project’s success. Best regards, Rasna Rajput

@Arunmohan001

Hi, I can build a production-ready Android POS application in Kotlin with clean architecture and modular, maintainable code. I’ll implement sales dashboards, printable reports, mobile wallet payments, and a reliable offline-first system using Room with automatic sync when connectivity returns. You’ll receive the complete Android Studio source code, a signed APK, README/setup documentation, and testing screenshots/video covering the key flows. I’ll ensure compatibility from Android 10+, with clear code structure and documentation so you can build and sign the app yourself. I can provide a clear timeline and identify any third-party/payment SDK costs before development starts.

@Fawadkaleem

As a seasoned mobile app developer, I believe my 6+ years of experience perfectly aligns with your project requirements. I have a strong command over Kotlin, the language you've indicated as preferred and have built numerous applications for Android. Moreover, I am conversant with Android Jetpack and Room libraries which makes me duly qualified for this task. Using these tools, I can ensure that the end product is compatible with Android 10 and above. In addition, my expertise extends to utilizing popular mobile wallets like Google Pay or any recommended SDK to process payments seamlessly. My knowledge of Stripe, one of the industry's top payment processors, can also be leveraged in order to meet your needs accurately.I can further augment your application by employing an offline functionality that will allow the app to work without an internet connection and automatically synchronize when reconnected.

@denisSolution

Hi, I'm Denis, a full-stack developer experienced in building Android applications with offline-first architectures and payment integrations. I understand your need for a production-ready POS system that works reliably with or without internet, plus clean reporting and wallet payments. The core challenge is keeping sales data synchronized offline without losing transactions or duplicates. I'd use Room for local storage, implement a robust sync queue for pending data, and integrate Google Pay with fallbacks. The dashboard queries local data first for instant responsiveness, then refreshes from the server when available. I've built similar systems where offline reliability was critical. Success depends on careful database schema design and comprehensive error handling around payment failures and network interruptions. My approach: 1. Requirements clarification and architecture planning 2. Build core transaction and reporting functionality 3. Integrate payment processing 4. Implement offline sync with conflict resolution 5. Test edge cases thoroughly 6. Deliver compilable Android Studio project with signed APK and documentation The README will cover build steps, dependencies, and how the sync mechanism works for easy maintenance. I'll structure the codebase modularly so adding features like inventory is straightforward. Note: Payment gateway integration requires test credentials and sandbox setup before going live. I'm ready to start immediately. Let's discuss the details

@pasion0128

★•══•★ Hi client ★•══•★ I’d build this natively in Kotlin using Jetpack + Room with an offline-first architecture, so sales continue locally without internet and sync safely when connectivity returns. The first release would cover checkout, wallet/payment integration, sales dashboards, printable summaries, conflict-safe background sync, and a modular structure ready for inventory and employee management later. You’ll receive the complete unrestricted Android Studio source, APK, setup documentation, and proof of the main flows. A realistic first production version is around 1 weeks. Third-party costs would depend mainly on the payment provider selected. Which country will the POS operate in, and which payment processor or wallet do you want to support first? Best regards, Rico

@SaturnCube

Hi I can develop or customize your Android POS application with a clean, intuitive interface, reliable billing and transaction workflows, product and inventory management, receipt handling, and optimized performance, delivering well-structured source code ready for deployment and future enhancements. Kundan

@ssquare489

For an offline-first Android POS, I’d treat every sale as a local transaction first, then synchronize it through an idempotent queue when connectivity returns. That keeps checkout operational during outages while preventing duplicate sales, payment records, or reporting totals after reconnection. I’m Sumit Joshi from Sacesta Technologies. My priorities would be clean implementation and scalability. I’d recommend Kotlin, Jetpack Compose, Room, WorkManager, Hilt, and a modular Clean Architecture structure. Sales reports would be generated from the local ledger so daily/weekly summaries and printable reports remain available offline. For wallet payments, I’d integrate an appropriate supported payment provider based on your target country and merchant setup rather than hard-code Google Pay as the processor. Payment state, retries, refunds, and synchronization would remain server-verifiable where the gateway requires connectivity. A relevant example is Restaurant POS Rescue, involving POS/payment workflows, legacy data, and operational reliability in a production environment. Estimated delivery: 6–8 weeks including architecture, POS flow, reporting/printing, payments, offline synchronization, QA, and handover. Third-party costs would be limited to the selected payment provider/backend hosting where applicable and confirmed before integration. You’ll receive unrestricted project source, APK, README, sync documentation, and test evidence.

@jayantkumar314

As a seasoned Senior Software Engineer, I have ample experience in the realm of Android development. My proficient skills in Kotlin and Java, along with mastery over Android Jetpack and Room, make me an ideal candidate for your Android POS project. I assure you nothing short of a production-ready application crafted with a clean architecture, clearly commented code to ease future modifications, and backed by an extensive README that details essential build steps and offline syncing mechanisms. Having honed my skills over six years in the field, I understand the importance of keeping myself updated on emerging technologies. This is reflected in my aptness with the latest Android software version, Android 10 upward. Moreover, my past works are always indicative of my commitment to delivering clean designs while thinking ahead for easy implementable extensions - an attribute particularly valuable for your potential inventory or employee management projects. Finally, as your partner in this project, I'll safeguard your complete ownership rights- granting you not just the compiled app but also all source files including a video proofing the functionalities: the sales report flow, mobile wallet checkout feature and the offline mode - assuring your utmost autonomy moving forward. May we embark on this endeavor with you as both satisfied client and happy coder at its conclusion.

@lazarr4

Hello, I can build a modular Android POS app with offline sync and wallet payments using Kotlin and Jetpack, ensuring clean architecture and easy compilation. I built a similar system for a retail client—it handled Google Pay transactions and synced data automatically when the connection returned, reducing manual reconciliation by 30%. I’d structure the app with a repository pattern to separate payment logic from UI, using Room for offline storage and WorkManager for sync. The reports will generate PDFs via a lightweight library to avoid bloating the codebase. This approach will let you extend features later without rewriting core components. Proper offline handling will keep cashiers productive even with spotty internet, and the wallet integration will support major SDKs out of the box. I’ll include a setup guide and demo video to show the report flow and sync behavior. After delivery, I’ll review the APK with you to confirm the build process works as expected. If this approach fits your needs, I’d be happy to discuss the timeline and third-party costs upfront. Thanks, Lazar.

@FreeLancers360

Hi there, The moment I read "Android POS App + Source", I knew it was a strong match for exactly what we do best. I love turning a solid brief like yours into a polished result you’ll be proud to put your name on. From your brief I can see this involves android, mobile app, kotlin — all areas we handle in-house. We specialise in Java, Mobile App Development, Android, Software Architecture, which lines up directly with what you need. How we'd approach it: - Finalise the screens, user flows and feature list with you - Build smooth, native-feeling UI with clean, maintainable code - QA on real devices, then prepare and ship to the store(s) - Post-launch support and iteration once you’re live I also noted you don’t need internet and sync automatically once a co — that’s clear, and I’ll keep the work clean and strictly on-brief. Delivering at the scale of 10 upward is no problem for us — we're set up for volume without dropping quality. You can count on tight communication, on-time delivery, and a result that’s effortless to sign off on. I can start right away and keep you updated at every step — let’s make this a great one. Best regards, FreeLancers360 Let’s connect in chat and get started — message me anytime and I’ll reply right away!

@GobindSawarn

With over 6 years of experience in the design and branding industry, my skills and expertise align perfectly with your project needs. I am no stranger to clean, high-quality coding in Java and Android app development, which makes me an ideal candidate for this POS undertaking. I've already developed multiple Android apps that include essential features like sales reporting dashboards and offline functionality. Furthermore, my working knowledge of popular mobile wallets such as Google Pay can facilitate seamless payment processing -a must for any modern POS system. The fact that I am well-versed in Android Jetpack, Room and other libraries also sets me apart in terms of efficiency and quality of work. I understand that flexibility is important for you, which is why I commit to a clean compilation from Android 10 upwards while employing a clear architecture, code comments, and a comprehensive setup guide to ensure you can maintain the APK independently. My previous clients commend my diligent communication throughout projects so you can be assured all project milestones will be met promptly and with utmost transparency.

@Codezens

I'm a senior mobile app developer with over 8 years of experience. I have developed lots of apps on the App Store since then. My experience is as follows: - Uber-style Taxi Booking App Development - Social Networking App Development - Real Estate Business App Development - Tinder Style Dating App Development - Uber Style E-Commerce App Development - GPS-based Navigation App Development - Photo/Video Sharing App Development - Hotel Booking App Development - Food/Drink Ordering App Development My Skills are as follows: - React Native - Flutter - Android Studio/Kotlin - Objective-C/Swift - Core Java - ionic - MySQL, MongoDB, Database Design - JSON RESTful backend APIs development I can full-time work on your project with high quality. Once you work with me you will know my skills and ability. I am looking forward to a long-term relationship with you so far. Sincerely. Vinod

@codeandcommand

I can build the POS with Kotlin, offline SQLite for transactions, and a Stripe or Razorpay hook for payment processing depending on your region. Full source, no license locks, no third-party fees baked in. Can start today, working build in 4 days. This estimate is based on the post, once we cover receipt printing and hardware needs the real scope might shift. Want me to send a quick plan?

@bilalmalik746429

Hi there, I’m Bilal, a Senior Full Stack Software Engineer with experience building reliable mobile applications, backend systems, APIs, and offline-capable solutions. I believe every project is not just about writing code but creating real value for your business. With strong experience in Android, Kotlin/Java, React Native, REST APIs, SQL, database architecture and payment integrations, I can build a production-ready POS application with a modular architecture designed for future inventory and employee-management extensions. My focus is always on: * Sales dashboards, reports and printable summaries * Secure mobile-wallet/payment SDK integration * Offline-first functionality with local persistence and automatic sync * Android 10+ compatibility and responsive POS workflows * Clean architecture with maintainable, well-documented code * Reliable sync handling, conflict management and error recovery * Complete source code, signed APK and detailed README * Testing and proof of key flows through screenshots/video For offline storage and synchronization, I can use Android Room with a structured local database and a reliable sync layer, keeping cashier operations available even during connectivity interruptions. ✨ "I aim to turn ideas into polished products that help clients achieve their goals." ✨ Best regards, Muhammad Bilal

@nakabirik

Hi, Muheebwa here. I understand you need a production-ready Android POS app with full, unrestricted ownership of the source code. The priorities are sales reporting dashboards with printable summaries, mobile wallet payments (Google Pay or a recommended SDK), and full offline functionality that syncs automatically once a connection returns. The real challenge here is the offline-first architecture. My approach would be to build in Kotlin using Android Jetpack and Room, designing a local database as the source of truth so the cashier can keep selling without internet. A sync layer would queue transactions and reconcile them with the backend when connectivity resumes, handling conflicts gracefully. I'd use clean architecture with clear comments, ensure the build installs cleanly from Android 10 upward, and keep the code modular so future inventory or employee management can slot in without refactoring. Deliverables would include the compilable Android Studio project, a signed APK, a README covering build steps, libraries, and how offline sync works, plus screenshots or a short video proving the sales report flow, wallet checkout, and offline mode. To get started: could you confirm your preferred wallet SDK and whether you have a backend or want a local-only first version? Looking forward to hearing from you.

@PINESCRIPTERR

Hi, I can build the Android POS application with a clean modular architecture, prioritizing reliable sales reporting, printable summaries, mobile-wallet payment integration, and true offline-first operation. I’ll structure local storage and synchronization so transactions can continue without connectivity and automatically reconcile with the backend when the connection returns, while keeping the project fully compilable and maintainable in Android Studio with complete source code, documentation, and testing evidence. Question 1: Which mobile wallet/payment provider and target country should the POS support initially, as payment SDK availability and requirements vary by market? Question 2: Is there already a backend or cloud database for synchronization, or should the MVP include the backend/API and server-side transaction storage as well? Regards, Houssame.

@salaha64

Hi, I'm interested in working with you as a developer. Your requirements align closely with my experience across full-stack web development, APIs, databases, and production delivery. I can work across the complete application lifecycle - understanding an existing architecture, developing new frontend/backend features, designing and integrating APIs, and keeping the codebase clean and scalable. I'm comfortable taking ownership of tasks independently while maintaining clear communication and predictable delivery. I'd start by confirming your priorities and current architecture, then move into implementation quickly. Best regards, Salah

@Mayanks010

Hi, Thanks for sharing your project. It aligns well with work I’ve successfully completed for other clients, and I’m confident I can deliver a high-quality solution tailored to your requirements. Before providing an accurate timeline, scope, and budget, I’d like to clarify a few key details to ensure we're aligned from the start. Freelancer’s proposal character limit makes it difficult to cover everything thoroughly here. If you're available, let's connect via chat. I can walk you through similar projects I've completed, discuss the best approach for your specific requirements, and answer any questions you may have. Once I understand your expectations, I'll provide a clear execution plan with realistic timelines and pricing. I’m ready to get started as soon as we finalize the details and look forward to working with you. Best regards, Mayank Sahu

@Visharaa2024

Hi, The most important part of this POS is making the offline workflow reliable, not simply caching the UI. A cashier should be able to complete a sale without connectivity, have the transaction safely stored locally, and synchronize it once the connection returns without creating duplicate records. I’d structure the Android application around Kotlin + Jetpack/Room with a clean offline-first data layer, unique transaction IDs and idempotent synchronization. Sales reporting would be built around the same transaction model, while the payment layer would use the selected wallet/provider SDK with server-side verification where supported. The architecture would remain modular so inventory or employee management can be added later, with the complete Android Studio project, documentation and source ownership handed over to you. One question: which country and specific mobile-wallet/payment providers must the POS support? This will determine the available Android SDKs and any third-party costs. If the required payment provider supports the intended offline/online flow, we can proceed with the architecture and milestones. Best regards, Deepak.