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Backend Platform & CRM Development Brief I’m looking for an experienced full-stack developer to build the complete backend system for my subscription business. The public website already exists - I need everything that happens behind the scenes. The Business A monthly subscription service where customers join by phone (outbound telesales) or through the website. Every customer receives a unique Customer/Player ID and a monthly puzzle pack. Core Requirements 1. CRM Build a custom CRM where staff can: * Create and manage customers. * View subscription status. * Search customers instantly. * View payment history. * View communication history. * View website answers linked to each customer. * View Customer/Player ID. * See trial dates, renewal dates and next payment dates. Only the administrator can cancel subscriptions. 2. Customer IDs Every new customer must automatically receive a unique sequential Customer/Player ID. 3. Website Integration When customers submit answers on the website: * Automatically identify the customer. * Save every answer against that customer’s record. * Store answer history permanently. 4. Payment Integrations Integrate with: * Direct Debit provider. * Card payment provider. The system should automatically: * Send new customers. * Receive payment status updates. * Update the CRM when payments succeed or fail. * Update cancellations automatically. 5. Automation Completely automate daily administration: * Daily export of fulfilment files. * Daily export to Direct Debit provider. * Monthly reports. * Payment reminders. * Welcome emails. * Renewal reminder emails (3 days before payment). No manual work wherever possible. 6. Fulfilment Every day the system should automatically generate the required customer file and send it securely to our fulfilment company (SFTP/FTP). 7. Admin Dashboard Dashboard showing: * Active subscribers. * Trial customers. * Failed payments. * Daily sales. * Monthly sales. * Revenue. * Churn/cancellations. * Customer lifetime value. * Growth statistics. 8. Security * Secure login. * Role-based permissions. * Administrator controls everything. * Staff have restricted access. Technology I’m open to recommendations, but the platform must be reliable, scalable and easy to maintain. Goal The objective is to automate almost the entire business so that once a sale is made, every subsequent process happens automatically with minimal manual input. Please let me know: * What technology stack you’d recommend. * Estimated development time. * Estimated cost. * Similar projects you’ve built.
Project ID: 40566426
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366 freelancers are bidding on average £1,131 GBP for this job

Hi there, We understand you need a comprehensive backend system for your subscription business, including a custom CRM, automated workflows, and integrations with payment providers. Our team at Webbook Studio has experience in building similar systems, such as e-commerce and custom CRM/ERP systems, and we're confident in our ability to deliver a reliable, scalable, and easy-to-maintain solution. For example, we built a custom CRM system for a web/digital agency, which included features like customer management, subscription status, and payment history. We'll provide a custom CRM, automate daily administration, and integrate with payment providers to ensure seamless operations. One question: what is your expected volume of customers and transactions per month, and how do you envision the system handling potential spikes in traffic or sales? Feel free to message us to discuss the details! — Webbook Studio
£1,150 GBP in 30 days
9.2
9.2

With over a decade of experience in full-stack architecture and high-scale systems, I understand your need for a robust backend system for your subscription business. Your goal of automating the entire process aligns perfectly with my background in handling high-complexity systems, such as serving over 1 million users and implementing high-security FinTech solutions. For your project, I recommend leveraging a combination of Node.js and MongoDB for a scalable and reliable backend solution. My estimated development time is 20 days with a cost of $1200. In a similar project, I successfully implemented automated processes similar to what you require, resulting in a seamless and efficient workflow for the business. I am eager to discuss further details and provide you with a roadmap to achieve your automation objectives. Please feel free to message me to set up a call and explore how we can bring your vision to life.
£1,200 GBP in 20 days
9.1
9.1

With vast full-stack development experience, I understand your need for a custom backend system for your subscription-based business. I have successfully built similar CRM platforms and integrated complex systems seamlessly before. Could you please share more details about the existing technologies used in your current public website to ensure smooth integration with the new backend solution? Regards, Yogesh Kumar
£1,130 GBP in 8 days
8.5
8.5

Hi — Elias here from Miami. I understand you’re looking to build a robust backend and CRM for your subscription business. The goal is to create a stable and scalable platform that meets your business needs effectively. The real challenge often lies in ensuring scalability and maintainability from the start. What usually matters most here is how well the system can handle growing user demand and complex integrations with existing tools. A common issue in systems like this is managing user roles and permissions effectively while keeping the workflow intuitive. My approach would involve structuring the backend with a focus on modularity, ensuring easy updates and future expansions. I prioritize building a clear API for seamless integrations and laying down a solid database architecture for reliability. I've worked on similar CRM and subscription systems that required intricate user management and automation logic, which has given me insight into potential pitfalls and how to avoid them. A few questions to better understand the scope: Q1 – What specific user roles need to be defined in the system? Q2 – Are there any existing tools or platforms you plan to integrate with? Q3 – What are your expectations regarding scaling the system in the upcoming years? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
£1,200 GBP in 6 days
8.5
8.5

Hi, Good Day, Your project is more than a simple CRM build—the main goal is to create a reliable automation system where customer management, payments, fulfilment, and reporting work together with minimal manual involvement. I'll help design and develop a scalable backend platform with a custom CRM, automated customer ID generation, subscription management, payment integrations, website answer tracking, fulfilment exports, email workflows, and an admin dashboard with real-time business insights. My approach would be to first structure the database and system architecture properly, ensuring the platform remains secure, maintainable, and flexible as your subscriber base grows. I'll also implement role-based access controls, API integrations, and automated processes to reduce daily operational tasks. A few details I'd like to confirm before suggesting the best technology stack: which direct debit and card payment providers are you currently planning to use, and is the existing website built on WordPress or a custom framework? Looking forward to hearing from you. M Adeel,
£750 GBP in 7 days
8.1
8.1

Hello, You’re not just building a CRM, you’re replacing a chain of manual handoffs with one reliable engine. That hidden pain point is clear: every sale, payment, reminder, and fulfilment step needs to stay in sync without staff chasing updates. I’ve built subscription-style backend systems with custom CRM flows, sequential customer IDs, payment gateway/webhook handling, scheduled automation, SFTP file exports, and role-based admin panels. For your platform, I’d recommend a maintainable stack such as Laravel + MySQL for the core system, with queued jobs for reminders and exports, secure admin/staff permissions, and clean integrations for the website, direct debit, card payments, and fulfilment partner. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Could you confirm which direct debit and card providers you want to use, and whether the website forms already have customer authentication or should the backend match answers by email/phone and ID? I’d also like to know if fulfilment exports and payment reminders should run from a single scheduled job system or separate services, and whether you need audit logs for staff actions. I can map the full workflow, recommend the best structure, and outline the build phases right away. Looking forward to your reply so we can finalize the exact plan. Best regards, Asad
£750 GBP in 20 days
8.3
8.3

Hello, I'll develop a secure, scalable backend with a custom CRM, role-based access control, payment gateway and Direct Debit integrations, automated emails, scheduled jobs, fulfilment file generation via SFTP/FTP, reporting, and a real-time dashboard to eliminate manual administration wherever possible. With 10+ years of full-stack development experience, I've built enterprise-grade CRM systems, subscription platforms, payment integrations, and business automation solutions focused on reliability, security, and long-term scalability. I'd be happy to share relevant CRM and subscription platform portfolio examples and discuss the best technology stack and implementation roadmap. Let's chat and build a robust backend that powers your business efficiently! thank you Regards Gaurav Garg
£1,500 GBP in 25 days
8.6
8.6

AUTOMATION ISN'T JUST ABOUT SAVING TIME IT'S ABOUT BUILDING A BACKEND THAT RUNS YOUR BUSINESS WITHOUT MANUAL EFFORT. I will build a secure CRM with automated subscriptions, payment integrations, fulfilment workflows, and real-time reporting. Do you already have your payment providers selected?
£1,425 GBP in 7 days
8.2
8.2

With an impressive portfolio that spans CRM systems, ecommerce platforms and automated business solutions, my team and I can provide you with exactly what you need to revolutionize your subscription-based business. In our previous projects, we have successfully built reliable, scalable backend systems that are easy to maintain and integrated them seamlessly with payment providers and third-party services. We have even previously worked on a project with an SFTP/FTP fulfillment integration like yours. Our technical repertoire includes PHP (Laravel, CodeIgniter, CakePHP, Yii), Node.js, Python & Django, REST APIs and custom integrations – all the tools necessary for a robust backend system. We also bring extensive knowledge of AI technologies that can streamline your daily administrative tasks through smart automation. We will develop a custom CRM tailored to your unique needs allowing your staff full access to customer management, subscription status update as well as payment history review. Besides all these technical capabilities, I believe the key to success in any project is collaboration. Our approach is problem-solving centred and we put extra emphasis on understanding business goals. Thanks....
£1,000 GBP in 7 days
8.1
8.1

Hi, What features are you most excited about for your subscription service? Building a robust backend for your CRM is a great move, and I have experience developing similar systems. I can create a custom CRM allowing your staff to manage customers efficiently, handle unique Customer/Player IDs, and integrate payment systems seamlessly. Automation will be key—daily exports, welcome emails, and payment reminders can be set up to reduce manual effort. I recommend using a stack like Laravel for the backend with MySQL for the database, ensuring scalability and reliability. Based on similar projects I’ve completed, I estimate a timeline of 6-8 weeks, with costs varying based on specific requirements. Let’s chat more about your vision and how I can help bring it to life! Best Regards, Badar madni
£1,125 GBP in 12 days
7.8
7.8

Hello, WE HAVE WORKED ON SIMILAR SUBSCRIPTION MANAGEMENT PLATFORMS, CUSTOM CRM SYSTEMS, AND BUSINESS AUTOMATION SOLUTIONS, AND CAN SHARE RELEVANT EXAMPLES DURING OUR DISCUSSION. I have carefully reviewed your requirements and understand that you need a complete backend platform to automate your subscription business, including a custom CRM, customer/player ID generation, website integration, payment gateway synchronization, fulfilment automation, reporting, and a secure admin dashboard. With 10+ years of experience in full-stack development and CRM solutions, I can build a scalable platform with role-based access, automated payment workflows, Direct Debit and card payment integrations, scheduled fulfilment exports via SFTP/FTP, email automation, and real-time business analytics. I recommend a modern architecture using Laravel or ASP.NET Core with PostgreSQL/MySQL, REST APIs, and a responsive admin dashboard to ensure long-term scalability, security, and easy maintenance. I will provide 2 years of free ongoing support, complete source code, and assist you through the entire process from development to live deployment. I am available to start immediately and look forward to discussing your project in detail. I eagerly await your positive response. Thanks, Christina
£1,125 GBP in 7 days
7.9
7.9

Hi, I will develop a custom CRM system for your subscription business, integrating customer IDs, website interactions, payment gateways, and automation features. The backend platform will include an admin dashboard for real-time monitoring and secure login functionalities. Let's discuss further to ensure the system meets all your requirements. Please start the chat for a detailed discussion. Regards, Sai Bhaskar
£750 GBP in 20 days
7.9
7.9

Which Direct Debit provider are you using — GoCardless, Bacs, or another — as that shapes the payment automation architecture from day one? I’ll build your subscription backend on Node.js with PostgreSQL — custom CRM with full customer management, auto-generated Player IDs, website answer integration, payment webhooks updating the CRM automatically, daily SFTP fulfilment exports, automated emails
£750 GBP in 7 days
7.8
7.8

Hi, this project aligns closely with my background building CRM systems, workflow automation platforms, and subscription-based business applications. I would recommend Laravel with PostgreSQL/MySQL for the backend, Vue.js or React for the admin interface, REST APIs, Redis for queues/caching, and AWS for scalable deployment, creating a modular architecture that’s reliable, maintainable, and easy to extend as your business grows. Based on the scope, I’d estimate around 10–14 weeks for a production-ready MVP, depending on the final feature set and integrations, with development delivered in milestones. I’ve previously built large business platforms including SmartEngage (CRM & marketing automation), ZigSig (online notary workflow platform), subscription/payment integrations, and other custom enterprise systems where automation, user management, reporting, and long-term maintainability were key requirements. I focus on building software that reduces manual work through clean architecture and scalable automation rather than quick one-off solutions.
£1,125 GBP in 7 days
7.9
7.9

⭐⭐⭐⭐⭐ Build a Robust Backend System & CRM for Your Subscription Business ❇️ Hi My Friend, hope you're doing well. I've reviewed your project requirements and see you're looking for a full-stack developer to create a backend system for your subscription service. You don't need to look any further; Zohaib is here to help! My team has successfully completed 50+ similar projects. I will ensure seamless integration, automation, and security for your system. ➡️ Why Me? I can easily build your backend system and CRM as I have 5 years of experience in web development, specializing in CRM systems, database management, and payment integrations. My expertise includes backend technologies, user authentication, and automation. Additionally, I have a strong grip on other relevant technologies, ensuring a smooth and efficient workflow. ➡️ Let's have a quick chat to discuss your project in detail. I'll show you samples of my previous work that match your needs. Looking forward to connecting with you! ➡️ Skills & Experience: ✅ Full-Stack Development ✅ CRM Development ✅ Database Management ✅ Payment Integration ✅ API Development ✅ Automation Solutions ✅ User Authentication ✅ Web Security ✅ Data Storage ✅ Reporting & Analytics ✅ Frontend Technologies ✅ Backend Frameworks Waiting for your response! Best Regards, Zohaib
£900 GBP in 2 days
8.0
8.0

HI! I am an expert web programmer. I have a lot of work experience in Laravel, Codeigniter, PHP, Wordpress, JavaScript, HTML, Vuejs, Reactjs, React Native, and MySQL. I can start right away. I want to discuss this project in detail. Please contact me to discuss more regarding this project. For more details Chat with me
£800 GBP in 7 days
7.6
7.6

Hi! Your project is a great fit for my experience in building custom CRM systems and workflow automation. I recommend Laravel with MySQL for the backend, REST APIs for integrations, a secure admin panel, scheduled jobs for automation, and a scalable cloud deployment. I'll build a role-based CRM, payment integrations, automated exports, reporting, customer ID generation, website integration, and a dashboard with key business metrics. Development would be delivered in milestones, starting with the CRM and core automation, followed by integrations and reporting. I'd be happy to discuss your requirements, timeline, budget, and share similar projects I've worked on.
£750 GBP in 6 days
7.8
7.8

Hello, As an accomplished full-stack developer with a decade of industry experience, I believe WellSpring Infotech is the ideal partner for your subscription business backend and CRM development project. Our vast range of skills in backend development, automation, CRM design, and Full Stack Development are perfectly aligned with your requirements. We have extensive experience building secure and scalable eCommerce solutions, like the one you envision to automate almost every aspect of your business. A highly reliable CMS built on WordPress, WooCommerce and the integration of robust third-party APIs aligns most seamlessly with your specific requirements. As for development time and costs, we understand the need for transparency and can provide accurate estimates once we've had a chance to dive deeper into the project. We've successfully completed similar projects before. A particularly similar one I'd like to highlight was for a company that had a goal quite akin to yours—automating as much as possible. Upon our implementation, there was a remarkable transformation; daily administration tasks were practically eliminated thanks to intelligent CRM automations. In addition, we've built various custom CRMs with robust authentication systems and role-based controls that will cater perfectly to this project's security needs. Our proficiency in this area ensures no stone will be left unturned when it comes to data protection. Thank you
£1,200 GBP in 20 days
8.0
8.0

Hi there, We’ve built several subscription-based platforms with custom CRMs, including a product that’s now generating over $1 million annually. We understand the importance of automating manual tasks to save time and money. For your project, we can use Laravel, which is ideal for developing robust backends and has built-in features for secure, role-based access. We can also integrate with popular payment gateways like Stripe and PayPal. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best, Adil
£1,237.50 GBP in 21 days
7.6
7.6

Hello, I appreciate the opportunity to help with your subscription business backend and CRM development. It sounds like you need a comprehensive system that automates customer management, payment processing, and reporting while ensuring secure access for your staff. With 7+ years of experience in full-stack development, I can create a reliable and scalable backend that meets your requirements. For the technology stack, I recommend using PHP with a robust framework like Laravel for the backend, along with a MySQL database. This will allow for rapid development and maintainability. I can ensure seamless integration with your existing website and payment providers while automating administrative tasks to minimize manual work. One question I have is about the specific payment providers you're looking to integrate with, as this might affect the overall architecture. Best regards, Ivan Mandinski
£1,125 GBP in 2 days
7.5
7.5

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