Project Title: CRM + POS System Enhancement and Bug Fixes

@Techroj

Dear Client, Greetings!! I have reviewed your proejct and am confident it aligns perfectly with my expertise in Python, AI/ML, Data Science, annd full stack software development. With 7+ years of experience in Machine Learning and enterprise solution development, i have successfully delivered projects for major tech companies and through platforms like Upwork, Fiverr, and Freelancer. i am confident in delivering a secure, scalable, and high quality solution for your requirements. Looking forward to your response. Regards, Rojan U.

@Kishoreindia

Dear Sir/Madam, I am Kishore Patidar, a professional Mobile App and Python Developer with strong experience in building scalable, production-ready mobile applications and backend systems. I specialize in Flutter (cross-platform), Android (Java/Kotlin), Firebase, Supabase, Node.js, FastAPI, and Django. I have successfully delivered multiple live apps on both Google Play Store and Apple App Store, including fintech, healthcare, education, social networking, and on-demand service platforms. My expertise includes: • Cross-platform mobile app development (Flutter) • Backend API development (Node.js, FastAPI, Django) • Payment Gateway integration (PhonePe, Razorpay, Stripe) • Real-time chat & notification systems • Admin panel & dashboard development • App deployment & store publishing • Secure authentication & role-based systems I focus on clean architecture, scalable backend design, optimized performance, and smooth user experience. From idea to deployment, I can handle complete end-to-end development. I would be happy to discuss your project requirements and deliver a reliable, high-quality solution within timeline. Looking forward to working with you. Best Regards, Kishore Patidar Mobile App / Python Developer

@gauravl3

With a plethora of languages at my disposal, and strong proficiency in several of them including Node.js, Python and more, I believe my skill-set aligns well with your project requirements. My background in Full-Stack Development combined with Data Engineering allows me to think through projects holistically. From choosing the right architecture (in this case, microservices) to integrating different components seamlessly keeping large scale performance as a high priority, I bring the ability to cater to diverse needs under one roof. My journey in software development has not only been governed by my love for problem-solving and technical challenges but also by the ambition to create solutions that sustainably scale with businesses, hence aligning perfectly with your description. I can understand the need for your future mobile extension and will lay a strong foundation for it during this project. Additionally, my understanding of the importance of cloud infrastructure for efficiency in operations will help your system reduce redundancies. Lastly, I am no stranger to agile ways of working towards complex systems, and my solid record of efficient teamwork ensures that no task is too large or small for me to handle. The project completion process isn't restricted just to delivering on time and within budget; going forward, users need support and maintenance too – an area where I excel.

@namitajain118

Hi There, with 9 years of experience, I specialize in developing scalable POS & ERP systems with React JS, Spring Boot, and PostgreSQL. My approach involves leveraging microservices architecture to ensure high-performance, secure, and offline-first operations. **How I Will Be Completing This Project:** Utilizing my extensive experience in frontend and backend development, I will design and deploy a feature-rich POS & ERP web application that meets all your requirements. I will prioritize role-based access control, secure API authentication, and data encryption to ensure top-notch security. **What Tech Stack I Will Be Following:** I will use React JS for the frontend, Spring Boot for the backend, and PostgreSQL for the database, in alignment with your specified technologies. My past projects include similar solutions where I successfully implemented real-time data synchronization, offline handling, and performance analytics. My portfolio showcases successful projects in frontend development, backend development, and POS system enhancements. Feel free to review my work for proof of delivering quality results. I am confident that my skills and experience make me the best fit to enhance and fix your CRM + POS system effectively.

@belotefreelancer

"I have gone through your description. "This is my area of specialization, i can get it done 100 % perfectly well. Please ping me in person. I can help you to complete all tasks. I have hands-on experience in this field. We have already done similar types of projects. Connect with us for more details. Rest assured your satisfaction is guaranteed." Looking forward to your response." Thank you for your time and I am confident that we will be a great fit for this project. Best,

@Abdulyaqs

With my extensive knowledge and experience in Full Stack Software Engineering, especially with Python, Django and Flask, I am well-positioned to handle your CRM+POS System. I understand the importance of a fast, reliable, and scalable system that provides seamless experience for both your customers and employees. Using a robust microservices architecture approach and leveraging on Django's exceptional abilities to build complex, data-driven applications, I will create a secure POS & ERP web application that would meet your project's unique needs. One crucial aspect of your project is the need for offline-first POS operations and real-time business visibility. Also, my mastery of React JS will come handy in delivering clean frontend interfaces with touch optimizations to ensure best user experiences. Rest assured that with me on board, you are guaranteed a secure system featuring role-based access control, secure API authentication. Your valuable data would be encrypted in transit and stored within extremely high availability systems offering optimized performance for huge datasets. Having worked on similar projects before earning me 4 solid years of experience across various Web Development projects including e-commerce platforms to custom enterprise solutions, I am no stranger to tasks such as Warehouse & inventory management, Finance & accounting module amongst others. With these in mind

@usamaansari786

Hi there, Building a two way sync system for multi location retail isn't just about coding; its about Data Consistency and Conflict Resolution. I specialize in Spring Boot Microservices and React based POS systems designed for high availability environments. My Approach to your High Performance System: - Offline First Strategy: Implementing a robust synchronization engine using WebSockets or Change Data Capture to ensure zero data loss during internet outages. - Microservices Excellence: Decoupling Sales, Inventory, and CRM modules to ensure the system remains scalable and easy to update without downtime. - Touch Optimized React UI: A lightning fast, zero latency frontend designed specifically for high traffic retail counters. - Security: Implementing OAuth2/JWT with fine grained Role Based Access Control RBAC to protect sensitive enterprise data. I understand the complexity of PostgreSQL bidirectional sync between local stores and the cloud. I have handled similar architectures where data integrity was the top priority. Q): For the conflict resolution during sync, are you leaning towards a Last Write Wins policy, or do we need a more complex manual reconciliation UI for the admin? Best Regards, Usama F

@Hemantt841

I understand that you need a robust POS and ERP web application that operates seamlessly across multiple locations, with offline capabilities and real-time synchronization between local and cloud databases. Your focus on a microservices architecture, role-based access, and secure authentication is clear, and I can see the importance of performance optimization for large datasets. With over 15 years of experience and more than 200 projects delivered, I specialize in Full Stack Development, particularly with React for the frontend and Node.js for the backend. My expertise in PostgreSQL database design ensures efficient data handling, and I have a solid background in developing secure APIs to meet your stringent security requirements. To deliver this project, I would begin with a detailed analysis of your current system to identify areas for enhancement and bug fixes. I would then implement the microservices architecture, ensuring that the application supports offline functionality and robust data synchronization. I anticipate a timeline of 8-10 weeks for a fully functional application, along with comprehensive documentation. I’d love to discuss your vision in more detail to ensure we align perfectly on this project.

@vipulpithiya1448

We specialize in building scalable, secure POS & ERP systems using React and Spring Boot microservices architecture. Our team delivers offline-first POS, real-time synchronization, RBAC security, and high-performance cloud deployment. We ensure clean architecture, full documentation, and enterprise-grade reliability tailored for multi-location retail operations.

@uniqedeveloper

Hi, I totally understand your requirement to build a scalable POS & ERP platform supporting offline-first store operations with centralized cloud visibility, microservices architecture, and secure enterprise workflows. Matching real-time sync, conflict resolution, and performance across multi-location retail environments requires strong system design beyond standard CRUD development. Recently, I delivered a multi-branch retail ERP with React dashboards and Spring Boot microservices where store-level databases synced bi-directionally with a central PostgreSQL cloud instance. We implemented JWT authentication, RBAC permissions, offline POS caching, automated reconciliation, and analytics reporting handling large transactional datasets without downtime. My approach focuses on modular services, secure APIs, optimized indexing, async queues for sync reliability, and responsive POS touch UI ensuring fast checkout even during connectivity loss. A few quick questions: 1. Will stores operate fully offline for extended periods or short failover windows? 2. Do you require accounting compliance integrations (GST/VAT or external finance tools)? 3. Should analytics run near real-time or scheduled aggregation? Let me know when you’re available to discuss this further I’d be happy to walk you through my approach or showcase examples relevant to this project. Looking forward to hearing from you! Best regards, Mulayam

@Menaga3777

I agree with 12500 payment for this app Drawing from 8+ years of experience, my development team and I are uniquely positioned to bring your POS & ERP system to life. Our technical expertise in both back and frontend development using Node.js, React.js, Python, and TypeScript aligns perfectly with your project requirements. We've successfully executed complex projects that demanded offline-first POS operations, real-time visibility and synchronization of data between multiple locations, secure role-based access and authentication at enterprise-grade levels – elements you specifically require. With your emphasis on high-performance, scalability and security, we're accustomed to working with large datasets and delivering optimized solutions for our clients. Being skilled in cloud infrastructure and using a modern microservices architecture which's the requirement for your project, ensures that our solution balances accessibility, security and performance seamlessly. Our initiave toward an optional mobile app phase also showcases our dedication to accomodating your future needs. Additionally, my proficiency in AI can be leveraged for developing analytics modules that provide actionable insights from the data collected by the system – a feature that could be highly valuable in understanding consumer behavioir. I believe our track record of delivering efficient systems like HRM apps, Laundry App , School Management System etc.

@zakwanm1

As a full-stack developer experienced in web and mobile app development, I am equipped with the skills you need to enhance and fix any bugs in your CRM and POS system. My expertise in using React.js, Node.js and Python (just to name a few) aligns perfectly with your tech stack requirements. I have successfully worked on projects which demanded efficient data synchronization, secure authentication, and high performance just like you need. In addition to my development skills, I believe my ability to spin up rapid solutions when needed will be invaluable for this project. I'm comfortable diving into complicated or incomplete projects head-first, resulting in streamlined completion. My clients have commended my ability to explain complex systems in simple terms and focus on tangible results - which is exactly what you're looking for. Choosing me for this task not only means you'll get a fully functional POS system but also the security of deploying builds in both cloud and store environments. Let's work together on your project, bringing your vision of a scalable and efficient POS & ERP application to life.

@zlatkon

Hi there. With high skills and the best collaborative spirit, we can responsibly complete tasks to the highest standards desired by our customers. I’ve built a multi-branch retail system with offline POS; main issue was net drops & stock conflicts — solved via local PostgreSQL events + Docker microservices syncronization. You’ll recieve stable sales, RBAC, live reports. How many stores and preferred cloud? Thanks for reading. Best Regards.

@adarshs097

Hello, I’m a React developer experienced in building responsive and modern websites with clean, maintainable code. I can quickly understand your requirements and deliver a fast, user-friendly, and fully responsive website. I focus on performance, clear communication, and on-time delivery. I’m ready to start immediately and ensure high-quality results. Looking forward to working with you.

@mriidul2508

Hi there, I am writing to express my interest in your CRM and POS system project. Under Navgotri Tech Solutions, I specialize in building highly responsive, scalable web applications and can help you achieve the secure, enterprise-grade platform you are aiming for. How I can tackle your requirements: React JS Frontend & Touch Optimization: I have strong expertise in React JS and can ensure the POS interface is snappy, intuitive, and fully optimized for touch-screen operations at the store level. Offline-First & State Management: I understand the critical need for offline failover. I can expertly manage the local state and frontend logic to ensure seamless data capture when offline, ready to hit your Spring Boot REST APIs for two-way synchronization once the connection is restored. Security & Architecture: As a full-stack developer, I am highly comfortable consuming secure REST APIs, handling JWT/OAuth authentication flows, and ensuring role-based access controls are strictly enforced on the client side. I noticed the project title mentions "Enhancement and Bug Fixes," while the description outlines a comprehensive microservices build. I would love to connect and clarify if we are jumping into an existing codebase to patch current syncing issues, or if we are architecting Phase 1 of a new system. Let's discuss your current database structure and get started! Best regards, Mridul Navgotri

@crismicheal

Recently, I completed a scalable POS system for a retail client that enabled seamless offline-first operations and real-time sync across multiple locations, improving transaction reliability by 30%. I bring 5+ years of hands-on experience and a track record of delivering high-quality, practical solutions. I keep projects organized, communicate clearly, and ensure deadlines are met. My goal is simple: efficient execution and a result you’re proud of. I can start right away. While I am new to Freelancer, I have tons of experience and have done other projects off site. I would love to chat more about your project! Regards, Cristiano Ferreira