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Hi, I am building a small Node.js service that connects to WhatsApp Web using the Baileys library and generates a QR code so users can link their WhatsApp account. The project is deployed on Railway and runs an Express server. My goal is simple: Create a WhatsApp session per store. Generate a QR code for linking WhatsApp. Send messages later using the session. The server starts correctly and the endpoint /session/create [login to view URL], the QR code is never generated, and the endpoint /session/qr/:store_id always returns: QR nu este gata. Refresh in cateva secunde. So it seems the [login to view URL] event is not returning the qr value, or the session is not properly initialized. What I need help with: Fix the QR generation so it appears reliably Make sure the session connects correctly with Baileys Ensure the Express endpoint /session/qr/:store_id returns the QR image Ideally add stable reconnection logic Tech stack: Node.js Express Baileys (@whiskeysockets/baileys) QRCode package Hosted on Railway I will provide my current [login to view URL] file. The code is already mostly implemented but something in the session/QR flow is not working. If possible, I would also like: stable multi-session support (one WhatsApp per store) clean working code Thanks!
ID do Projeto: 40302315
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Woah Hello, It looks like you're working on a Node.js service to connect with WhatsApp Web using the Baileys library, but you're facing issues with generating the QR code and establishing the session. I can definitely help you with that. With 7+ years of experience in Node.js and Express, I understand how important it is to have a reliable connection and QR generation for linking WhatsApp accounts. I would start by reviewing your current implementation to identify why the QR code isn't being generated. This might involve checking how the [login to view URL] event is being handled and ensuring that the session is properly initialized. Additionally, I can implement stable reconnection logic and support for multiple sessions to ensure each store has its own WhatsApp connection. I'm confident I can help you get everything working smoothly. Best regards, Ivan Mandinski
$15 USD em 1 dia
7,4
7,4
29 freelancers estão ofertando em média $24 USD for esse trabalho

As a Full Stack Developer with an extensive skillset in JavaScript, PHP, and Software Development, I believe I am an ideal candidate for your project. With over 6 years of experience in the field, I've built scalable and high-performance applications on Node.js and Express frameworks just like your project demands. More importantly, my familiarity with Baileys(@whiskeysockets/baileys) is paramount to competence in tackling your QR generator bug. It's worth mentioning that throughout my career, I've implemented sophisticated backend systems with intensive APIs- crucial techniques for generating and maintaining QR codes for single and multiple sessions as per your project requirements. My penchant for clean code and quality documentation will provide you better code manageability even post development along with fast response time and on-time status updates throughout the work. Moreover, with my proficiency in UI/UX design, I'll ensure not only a reliable solution to your bug but also an engaging user-friendly front-end that matches the robustness of your back-end. Beyond solving bugs, I genuinely care about improving businesses through technology, guaranteeing sound post-launch support and maintenance when needed. Trust me to bring effectiveness and added value into your WhatsApp integration system with a delightful UX!
$10 USD em 5 dias
6,1
6,1

With over a decade of experience in PHP and Laravel, I have developed a keen understanding of troubleshooting, debugging, implementing and providing stable solutions to ensure your applications' reliable performance. I have successfully delivered 70+ projects with a 4.9 ratings including REST API and backend development projects which have integrated with various third-party libraries. These technical skills make me the ideal fit for fixing the QR generation issue and enabling stable multi-session support on your Node.js application that utilizes Baileys library. Moreover, my extensive familiarity with common web technologies such as JavaScript, Node.js and web deployment services like Railway provides added assurance that I can hit the ground running with your current project. My previous work in developing APIs and working on complex backend processes will prove valuable in connecting your service correctly with WhatsApp Web. In addition to correcting the immediate issues, I'm also dedicated to delivering clean and robust codes for easy maintenance. My commitment is to not just fix the bug but also provide long term solutions by adding stable reconnection logic, if needed. Trust me to bring my analytical thinking, problem-solving prowess, and dedication to detail to ensure we resolve all issues along the session/QR flow effectively. L et's connect to discuss more about how we can optimize your project for a smooth WhatsApp experience!
$10 USD em 1 dia
5,4
5,4

Hello, I hope you're doing well. I see you're working on a Node.js service using the Baileys library for WhatsApp, and you've encountered a problem with QR code generation. It’s clear that ensuring each store can link a WhatsApp account is crucial for your users' experience. My background in Node.js and API development will allow me to effectively diagnose and resolve the QR generation issue. I’ll thoroughly review your existing code to pinpoint what’s preventing the session from initializing correctly and ensure the `/session/qr/:store_id` endpoint reliably returns the QR code image. I can also implement stable reconnection logic and support for multiple WhatsApp sessions per store. This will enhance the scalability and reliability of your application. Have you tried logging the connection updates to see if the event is firing correctly? I'd like to have a chat with you at least so I can demonstrate my abilities and prove that I'm the best fit for this project. Warm regards, Natan.
$25 USD em 1 dia
3,5
3,5

Hi, I would like to grab this opportunity and will work till you get 100% satisfied with my work. I just applied after read your job posting carefully and I believe that I am good fit to your project. I'm a serious bidder. I will satisfy you with my high skills! I am an expert which have 8+ years of experience on PHP, JavaScript, Linux, Debugging, Node.js, Software Development, Web Development, Backend Development, Frontend Development, API Development I will work on your project hard with full time. I am looking forward to meet you to discuss the further detail about this project. Looking forward to hearing from you. Thank You
$25 USD em 7 dias
2,6
2,6

Hello, I’m Lâm, ready to stop the QR mystery and deliver a rock-solid Baileys-driven WhatsApp web integration that scales store-by-store. I’ll fix the QR flow, ensure stable session initialization, and add dependable reconnection logic so /session/qr/:store_id reliably returns the QR image and /session/create spins up a per-store session every time. What I’ll deliver: ✔ Robust session lifecycle with per-store isolation ✔ Reliable QR generation hook (update event emits QR consistently) ✔ Express routes hardened for Railway deployment, with a clean /session/qr/:store_id endpoint returning a PNG/JPEG image ✔ Lightweight, maintainable code with clear separation of concerns ✔ Simple, future-proof reconnection strategy and error handling I’ll provide sample implementations and, where helpful, imaginary test artifacts to illustrate how sessions tie to stores. I’m honest about capabilities and will avoid over-promising, yet I’ll ship a clean, working solution you can extend. Availability: I’m flexible for quick discussions and hands-on work. ? Would you like me to prioritize per-store isolated sessions or a shared Redis-backed session pool for scalability? Best regards, Lâm
$100 USD em 1 dia
2,0
2,0

Hi Are you looking for seasoned full stack developer? As a highly skilled web/mobile developer, I'm really interested in this role. Please message me to start ASAP. Thanks
$20 USD em 7 dias
1,0
1,0

Hello, As an experienced Full-stack Developer and software Engineer, I'm confident I can solve the bug that is causing your Baileys library to fail at generating the QR code for linking WhatsApp. My bank of knowledge includes Frontend Development, Node.js, and PHP, all relevant to effectively handling your Node.js service. Having successfully built and worked on similar projects like yours in the past, I understand the nitty-gritty behind ensuring stable connections with libraries like Baileys and image generation using QRCode package (which you also mentioned). This means apart from fixing the QR generation problem, I can also help implement stable reconnection logic that guarantees a seamless user experience. Additionally, considering your request for a stable multi-session support (one WhatsApp per store), this further aligns with my unique skill set. I will put my expertise in building scalable CMS solutions to work and ensure every session connects correctly. My goal remains assuring a clean codebase while delivering a high-quality product that meets your requirements exactly. You can trust me to turn this bug around quickly while ensuring it doesn't recur. Let's get started together! Thanks!
$10 USD em 2 dias
0,0
0,0

Hello, Drawing from my decade-long experience in mobile and web app development, backend integration, automated testing, and more your project is right up my alley. I specialize in ensuring stable connections and resolving complex bugs like the QR generation issue you're facing using technologies like Node.js and Express which are central to your stack. My extensive skill set includes familiarity with the QRCode package and the ability to debug code to isolate problems and fix them effectively. Adding value beyond just fixing this bug, I can enhance the performance of your project with my knack for optimization and efficiency. Multi-session support is an asset that can undoubtedly be incorporated as per your needs without compromising reliability. What sets me apart is not just my technical proficiency, but my commitment to building lasting relationships with my clients. I'll not only solve your problem but offer consultative suggestions to prevent any similar issues in the future. Choose me to fix this bug today, and you’ll be choosing a long-term collaborator that exceeds expectations every step of the way! Thanks!
$10 USD em 8 dias
0,0
0,0

Hello, As an AI Engineer with a penchant for building robust, scalable systems, I believe I have the perfect match of skills and experience to tackle your QR generation problem in your WhatsApp Web app using Baileys library. With a comprehensive understanding of API Development, Backend Development, and JavaScript and Node.js proficiency, I'm primed to troubleshoot and fix any errors related to sessions, QR code generation, and connection updates. Moreover, my knack for solving complex problems will ensure that your server connects seamlessly to the Baileys library and generates QR codes without any hitches. Furthermore, I am adept at handling DevOps-related challenges and can implement stable reconnection logic to guarantee consistent service. Finally, I understand your desire for clean working code and stable multi-session support. With my experience in architecting and scaling complex software systems in Node.js applications like yours, you can rest assured that the solution provided by me will be robust and long-lasting. Let's collaborate to fix the existing issues, improve the performance, and provide a strategic solution to connect WhatsApp-Express server flawlessly. Let's discuss further to bring the Baileys QR Display bug adventure to an end! Thanks!
$10 USD em 6 dias
0,0
0,0

Hello, Having worked extensively with Node.js, Express, and WhatsApp Web, I have the perfect blend of experience to solve the technical problems you've encountered. Incorporating Baileys (@whiskeysockets/baileys) and drawing on my vast experience with QRCode packages, I can swiftly identify the root cause and resolution for the inconsistent QR code generation issue. Rest assured that I'll make sure your WhatsApp sessions connect seamlessly by implementing a stable reconnection logic if required. In line with your desire for excellent coding practices, clean working code is something I never compromise on. You can expect meticulously crafted code that speaks volumes about its stability and reliability. Besides addressing the immediate issues in your project, I can also provide you with a scalable solution that supports multi-sessions (one WhatsApp per store). I perfectly understand your need for quality over cost without compromising on turnaround times. As a full-time developer with an unwavering commitment to delivering exceptional web development solutions for over 14 years, I consider it a great honor to be entrusted with your project. So, let's build that trust and create something amazing together by ensuring reliable QR code generation, strong session connections, and more! Thanks!
$10 USD em 3 dias
0,0
0,0

⭐ Expert here! ⭐ Thanks for sharing an exciting opportunity of "Fix Baileys QR Display Bug for Whatsapp web app". As a Cloud Engineer with strong expertise in Linux systems and modern cloud platforms, I specialize in designing, deploying, and maintaining scalable and secure infrastructure. I have hands-on experience with cloud services, automation, and system optimization to ensure high availability and performance. My background includes managing Linux servers, implementing cloud-based architectures, and improving system reliability through monitoring, scripting, and DevOps practices. I focus on delivering efficient, cost-effective solutions while maintaining strong security and operational standards. I am committed to helping organizations build reliable cloud environments, streamline infrastructure management, and support business growth through modern cloud technologies. Looking forward to hearing from you. Regards,
$25 USD em 4 dias
0,0
0,0

I am a perfect fit for your project focused on creating a clean, professional, and user-friendly Node.js service that integrates WhatsApp sessions per store. Your need for seamless QR code generation and reliable session management using Baileys is clear. With deep experience in Node.js, Express, and WhatsApp API integration, I specialize in building automated, stable multi-session solutions that ensure smooth QR code delivery and reconnection logic. I have completed similar projects successfully, emphasizing maintainable, clean code and robust session workflows. I would love to chat more about your project! Regards, Ruben Vos
$25 USD em 7 dias
0,0
0,0

Hi! This project looks like a great fit for my skills. I build production-ready Node.js applications with a focus on clean architecture, performance, and maintainability. My workflow leverages AI-augmented development for faster delivery without sacrificing quality. What I'll deliver: - Clean, well-tested code - Responsive design that works across devices - API integration as needed - Deployment-ready with CI/CD setup I can start immediately and have an initial version within 1-2 business days. Let's discuss the details! Ahmed
$100 USD em 5 dias
0,0
0,0

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