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# Developer Needed for New Generation Fiscal Cash Register (ECR) Integration ## Project Overview We are developing a restaurant and hospitality management platform called ROS and are looking for an experienced developer to integrate New Generation Electronic Cash Register (ECR / Fiscal POS) devices. The objective is to enable the ROS application to send order and payment information to fiscal devices over a network connection, print fiscal receipts, and receive transaction results back from the device. ## Scope of Work The selected developer will be responsible for: * Designing the integration architecture between ROS and fiscal devices * Reviewing available SDKs, APIs, and communication protocols * Developing the integration layer between ROS and ECR devices * Sending order and payment information to the fiscal device * Managing fiscal receipt printing workflows * Receiving fiscal transaction results and receipt information from the device * Implementing error handling and logging mechanisms * Preparing technical documentation and test procedures ## Required Skills Experience in one or more of the following areas is required: * Fiscal cash register (ECR) integrations * Fiscal POS systems * GMP3 or similar fiscal communication protocols * Android-based fiscal devices * Integration with devices from vendors such as PayGo, Ingenico, Hugin, PAX, Profilo, Vera Delta, Beko, İnka, etc. * TCP/IP, REST API, WebSocket, SDK-based device communication * Laravel / PHP development * POS terminal and payment device integrations ## Preferred Qualifications The following experience will be considered an advantage: * PayGo SP630 Pro * Hugin Tiger series * Ingenico devices * Android POS application development * Fiscal receipt management * Restaurant and retail POS systems * Tax-compliant fiscal transaction workflows ## Expected Deliverables * Fully functional integration module * Source code * Installation and deployment documentation * API / SDK usage documentation * Test scenarios and validation procedures * Integration support during acceptance testing ## When Applying Please include the following information: 1. Fiscal devices you have previously integrated 2. Integration methods used (SDK, REST API, GMP3, etc.) 3. Relevant project references or portfolio 4. Estimated timeline 5. Budget expectations ## Additional Information This project is intended as the first phase of a larger initiative. Additional fiscal device brands and models may be integrated in the future. Therefore, preference will be given to developers who can design a scalable and maintainable integration architecture and provide clear technical documentation.
Project ID: 40479181
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74 freelancers are bidding on average $140 USD for this job

Hi, I've built multiple fiscal register integrations with PHP and Laravel. Your ECR integration needs solid API architecture between the POS system and fiscal device — that's exactly our wheelhouse. Message me to discuss the technical approach. Best Regards, Hasan
$200 USD in 7 days
8.8
8.8

I can develop the ECR/Fiscal POS integration for your ROS hospitality platform. My approach: 1. Design integration architecture between ROS and fiscal devices — define communication protocol (TCP/IP, serial, USB) 2. Review available SDKs, APIs, and device-specific protocols for the target ECR hardware 3. Build the integration layer — send order and payment data from ROS to fiscal devices over network 4. Implement fiscal receipt printing workflow and receipt format compliance 5. Handle bidirectional communication — receive transaction results and receipt info back from devices 6. Error handling, logging, and retry mechanisms for reliable operation 7. Technical documentation and test procedures I have experience with POS/payment device integrations, protocol-level communication, and fiscal compliance requirements. I understand the importance of reliable transaction handling in hospitality environments. Let's discuss the specific ECR device models you're targeting and your current ROS architecture to plan the integration approach.
$250 USD in 14 days
8.2
8.2

As a full-stack developer with over a decade of hands-on experience, I have the skills necessary to successfully integrate your ROS platform with New Generation Electronic Cash Register (ECR) devices. Specifically, I have worked extensively on fiscal cash register integrations, fiscal POS systems, GMP3 or similar fiscal communication protocols, Android-based fiscal devices, and integration with various vendors like PayGo, Ingenico, and Hugin. This diverse experience will prove invaluable in understanding and implementing the unique requirements your project demands. In addition to my familiarity with ECR hardware and TCP/IP, REST API, WebSocket and SDK-based device communication protocols, I am deeply proficient in Laravel/PHP development which aligns perfectly with your project's needs. This is complemented by my extraordinary expertise in POS terminal and payment device integrations as well as my ability to create robust error handling and logging systems—a crucial aspect of any reliable fiscal transaction workflow.
$100 USD in 7 days
7.0
7.0

Hi, This is an interesting project because the long-term success of fiscal integrations depends heavily on architecture rather than simply connecting to a single device. Since ROS will likely support multiple fiscal device brands in the future, I would focus on building a scalable integration layer that abstracts device-specific communication while providing a unified interface for orders, payments, receipt printing, status tracking, and error handling. I have experience working with Laravel-based systems, API integrations, hardware communication layers, payment workflows, and multi-system architectures. For this project, I would begin by reviewing the available SDKs, APIs, and communication protocols, then design a modular adapter-based architecture that allows additional fiscal devices to be integrated with minimal changes to the core ROS platform. The solution would include transaction processing, receipt generation workflows, logging, monitoring, exception handling, technical documentation, and acceptance testing support. My goal is to deliver an integration that is reliable in production environments and easy to extend as new fiscal device vendors are added. I am particularly interested in long-term collaboration as additional device models and integrations are introduced. Best, Justin
$140 USD in 7 days
6.3
6.3

Hi There!!! ★★★★ ( Fiscal POS / ECR integration for ROS platform ) ★★★★ Project understanding: you need a developer to integrate New Generation Fiscal ECR devices with your ROS restaurant platform. The system should send orders/payments to devices, handle fiscal receipt printing, receive transaction responses, and ensure compliance with fiscal workflows using SDK/API/TCP based communication. ⚜ ECR / Fiscal POS integration architecture ⚜ Device communication (SDK, TCP/IP, REST, GMP3) ⚜ Receipt printing workflow implementation ⚜ Error handling & transaction logging ⚜ Laravel/PHP backend integration layer ⚜ POS payment system data sync ⚜ Technical docs & testing support I have worked on backend integrations involving POS style systems and API driven device communication, focusing on stable data exchange and reliable transaction handling. Plan is to first analyse device SDK/protocol, design scalable integration layer, then implement secure communication with proper logging and fallback handling for fiscal accuracy. Would be glad to discuss device specs and start integration work. Warm Regards, Farhin B.
$110 USD in 10 days
6.7
6.7

I see you're looking for a developer to integrate a new generation Fiscal Cash Register. The goal of streamlining your cash register system with PHP and Laravel is crucial for improving efficiency and compliance. With around 10 years of experience in PHP, MySQL, and API development, I can definitely help you implement this integration smoothly. I have worked on projects involving similar database management and software architecture, such as a regional booking platform for a tutoring company, an internal CRM for a property agency, and a local marketplace app. Let’s connect and discuss how we can make this project a success. Could you please clarify the following questions to help me better understand the project? Q1: What specific functionalities are you looking to integrate with the Fiscal Cash Register? Q2: Are there any existing systems or APIs that this integration needs to work with? Q3: What is the timeline for this project, and are there any deadlines we should be aware of?
$200 USD in 3 days
6.6
6.6

Dear Client, Hello dear! I’m Md Toriqul Islam, and I’m excited to partner with you & I can dive into your project immediately. I have rich experience in Laravel/PHP development, API integrations, POS systems, payment processing workflows, device communication, and scalable enterprise application architecture. I understand you need a robust integration layer between ROS and fiscal ECR/POS devices to handle fiscal receipt printing, transaction processing, device communication, result validation, logging, and future multi-vendor scalability. I have experience working with REST APIs, TCP/IP communication, SDK-based integrations, secure transaction workflows, and designing maintainable architectures that support future device expansion and compliance requirements. I am skilled in Laravel, PHP, REST APIs, WebSocket, TCP/IP, POS integrations, payment systems, database design, and enterprise-grade backend development. I’m ready to start immediately and would be happy to discuss device specifications, SDK availability, integration architecture, timeline, and testing requirements. Looking forward to hearing from you. Best regards, Md Toriqul Islam
$80 USD in 2 days
6.2
6.2

Hi, I came across your project "ECR Fiscal POS Integration" and I'm confident I can help you with it. About Me: I'm a full stack developer and agency owner with over 8+ years of experience in PHP, Laravel, MySQL, API 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
$250 USD in 7 days
5.8
5.8

Hello, I came across your ECR Fiscal POS Integration and I am very interested in working with you. I have reviewed your requirements and full understand the scope of expectations. I specialize in PHP, Laravel, and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity and professionalism. I work transparently throughout the project progress, deadlines and expectation stay clear at every stage. I would be glad to disucss further details and am ready to start immediately. Looking forward to hearing from you. Regards. Anum
$140 USD in 2 days
5.6
5.6

Hi, I've integrated fiscal POS devices with restaurant systems before - sending orders, printing receipts, getting transaction results back over network. I'll build the integration layer between your ROS platform and the ECR device. Which specific model are you starting with (PayGo SP630, Hugin Tiger, or something else)? You'll get full source code, install docs, test procedures, and support during acceptance. Here's an extra: a simulation mode that mimics the fiscal device so you can develop without hardware connected.
$30 USD in 3 days
5.5
5.5

As a seasoned developer with a strong background in MySQL, I am confident in my ability to deliver seamless and efficient ECR Fiscal POS integration solutions for your ROS platform. My decade-long experience in designing and building high-converting, responsive websites - especially WordPress-based solutions - aligns well with the kind of robust integration architecture needed for this project. In previous projects, I have brilliantly leveraged my skills with fiscal cash registers (ECRs), POS systems, GMP3, TCP/IP and REST API-based communication to successfully integrate diverse devices from prominent vendors such as PayGo, Hugin, and Ingenico. Importantly, I have a proven track record of crafting tailor-made solutions, which will be vital for integrating other fiscal devices that you might plan to add in the future. Overall, by choosing me, you can expect an on-time delivery of a fully-functional integration module accompanied by thorough technical documentation. Collaborating with me will ensure that not only is your current need addressed professionally but also establishes an ongoing support system for potential revisions and scalability in the future. Let's make your vision a technical reality together!
$140 USD in 7 days
5.1
5.1

Hello there, I hope you are doing well. I’m an independent developer with deep experience in PHP, Laravel, and integration with ECR/Fiscal POS devices. I design scalable, reliable integration layers that talk TCP/IP, REST, and WebSocket to hardware like PayGo, Ingenico, Hugin, and more, ensuring secure, auditable flows for orders, payments, and receipts. In prior projects, I built middleware that serialized order details, sent them to fiscal devices, handled printing workflows, and captured transaction results with robust error handling and logging. I’ve created documentation and test procedures to streamline acceptance and future expansion. I can deliver a fully functional ROS-ECR integration module, with clean source, deployment docs, and test scenarios within about two weeks. I’ll align with GMP3-like protocols and vendor SDKs as needed. 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
$250 USD in 3 days
5.2
5.2

Hi! Your focus on integrating ROS with multiple fiscal POS brands over TCP/IP and handling protocols like GMP3 is spot on. Cash register integration always gets tricky, especially with networked receipt printing and handling vendor quirks. I led integration for a custom POS platform last year, connecting with Ingenico and PayGo devices using SDK and TCP/IP flows. That setup included receipt printing, fiscal transaction sync, and error logging in Node.js, running live at a chain in Europe. For yours, I'd separate the core integration layer so it can swap in other brands later—keeps new device support simple. The hardest bit is always handling each vendor's error codes and protocol oddities, so I'd keep a detailed log and clear mapping table from the start. One thing: are your initial devices all on-site LAN, or will you face some remote (cloud) edge cases? It will affect socket handling and receipts. Happy to outline how I'd build the abstraction so future devices are easy to add. You can also see my past POS and hardware work at work.techindika.com. — Pradeep
$140 USD in 7 days
5.2
5.2

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
5.5
5.5

Hello There! Hope you are doing fine. I have experience integrating New Generation ECR fiscal devices using SDKs, REST APIs, and GMP3 protocols. I have worked with devices from PayGo, Ingenico, Hugin, Profilo, and similar vendors. I will design a scalable integration layer between your ROS platform and fiscal devices. The module will send order and payment data, print fiscal receipts, and receive transaction results. I will implement error handling, logging, and provide full source code, API documentation, and test procedures. Please start a chat to discuss your specific device models and integration timeline. Best regards, Md Ruhul Ajom
$50 USD in 2 days
5.4
5.4

Hi, I have carefully reviewed your project requirements for integrating New Generation Fiscal Cash Register (ECR) devices with your ROS platform. With solid experience in fiscal POS integrations, including working with various vendors and protocols such as GMP3, REST API, and SDK communication, I am confident I can design and develop a robust, scalable integration layer tailored to your needs. My background with Laravel/PHP and payment device integrations positions me well to handle the full workflow from sending order/payment data to managing fiscal receipt printing and transaction response handling. I will provide comprehensive technical documentation and ensure error handling and logging are implemented to meet your quality standards. I propose to deliver the first integration module within 15 days, after which I will support acceptance testing closely. Which fiscal device brand or model do you consider the highest priority for initial integration? Best regards,
$155 USD in 24 days
4.8
4.8

✋ Hi There!!! ✋ The Goal of the project:- To build a robust fiscal POS integration layer for ROS system enabling secure communication with ECR devices for printing receipts and processing transactions. I carefully read your requirement for integrating New Generation Electronic Cash Register devices with a restaurant POS system including SDK review, TCP/IP communication, receipt printing, and transaction handling. I am the best fit as I have strong experience in POS systems and hardware-software integrations. * Integration architecture for fiscal ECR devices with scalable design * Secure transaction flow with receipt printing and response handling * Error logging, testing, and documentation for multi device support I will provide UI integration support, database management, API development, testing, and full source code delivery with technical documentation. I have 9+ years experience as a full stack developer and have worked on POS and payment device integration systems. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$111 USD in 11 days
4.9
4.9

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, Thank you for checking my proposal and sharing the detailed project brief. I can integrate New Generation Electronic Cash Register (ECR / Fiscal POS) devices into your ROS platform using cutting-edge technology for a seamless, scalable, and robust solution. I will deliver: • Integration architecture design • Communication protocols implementation • Order and payment data transmission • Fiscal receipt printing workflows • Error handling mechanisms • Technical documentation and test procedures You will also receive: • Implementation support • Comprehensive documentation • Training for seamless usage I am confident I can execute your vision professionally and efficiently. Looking forward to discussing the timeline and next steps. Best regards, Chirag.
$200 USD in 7 days
4.3
4.3

Hey — saw your post about integrating a new generation fiscal cash register (ECR). One common pain point here is ensuring the integration handles real-time fiscal data securely and accurately. Quick question: Are you working with a specific ECR model or need the solution to support multiple models? I’ve integrated fiscal POS systems before where compliance and data integrity were critical. If you share the ECR specs or API docs, I can review them and suggest the best approach.
$30 USD in 7 days
4.1
4.1

Hi, It's great to see your project for integrating New Generation Electronic Cash Register (ECR) devices into your restaurant and hospitality management platform, ROS. The goal of enabling seamless communication between your application and fiscal devices for order and payment processing is crucial for enhancing user experience and operational efficiency. To tackle this, I would focus on designing a robust integration architecture that accommodates different fiscal devices, ensuring reliable data flow while implementing effective error handling and logging mechanisms. My experience with fiscal cash register integrations, especially with various SDKs and communication protocols, allows me to develop a solution that is not only functional but also scalable for future expansions. In previous projects, I have successfully integrated similar systems, which resulted in improved transaction accuracy and faster processing times. I prioritize clean code and thorough documentation, so your team can easily manage and scale the integration down the line. Best regards, Novalitz Tech
$30 USD in 3 days
4.1
4.1

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