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I’m planning to launch a new SaaS platform and am looking for an experienced full-stack developer or software architect to provide a detailed technical consultation before development begins. The initial product will focus on two core areas: user management and subscription payment processing. During the consultation, I would like to discuss the best architecture, technology stack, security practices, development roadmap, and deployment strategy for building a scalable MVP. User Management The platform will require role-based access control, with different subscription tiers unlocking specific features and areas of the application. Single Sign-On will also be needed so business customers can log in using their existing corporate credentials. The architecture should allow us to add activity tracking, analytics, reporting, and other HR-related features later without requiring a major rebuild. Subscription Payments The application will offer monthly and annual subscription plans. I need guidance on implementing recurring billing, secure card handling, subscription upgrades and cancellations, failed payment management, and webhook-driven account status updates using Stripe or a similar payment provider. Security, data encryption, and PCI-compliant payment practices should also be covered. Consultation Topics During the consultation, I would like to discuss: Recommended frontend and backend technologies Database structure and migration strategy Role-based access control and subscription permissions SSO integration options Stripe subscription and webhook architecture REST API versus GraphQL Admin panel requirements Docker and containerised deployment CI/CD automation Testing and security practices MVP development phases, timeline, and estimated effort Future scalability for analytics and reporting Expected Outcome After the consultation, I would like to have a clear technical direction, recommended system architecture, suitable technology stack, key development milestones, potential risks, and an actionable roadmap for building and deploying the MVP. I’m looking for someone with experience designing scalable SaaS applications, subscription systems, SSO integrations, and secure payment workflows.
Project ID: 40623193
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Active 6 days ago
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47 freelancers are bidding on average $57 USD/hour for this job

Hi! This is something we can definitely build. A couple of things I'd want to clarify before we talk scope and hours. On SSO — do you have a specific identity provider in mind (Google Workspace, Azure AD, Okta), or do you need something more flexible? That changes the integration work quite a bit. And for the admin panel: are we talking basic user/subscription oversight, or do you already have a sense of what internal workflows it needs to support beyond that? For the stack, we'd lean toward Django + PostgreSQL on the backend (clean fit for RBAC, migrations, and future analytics), React or SvelteKit on the front, Stripe for billing, and Docker + CI/CD for deployment. Solid, maintainable, and easy to extend when the analytics roadmap kicks in. Happy to keep the conversation going here — let me know your thoughts on those two points and we can get into the details. Gustavo & the DoTheCode team
$75 USD in 30 days
7.4
7.4

⭐⭐⭐⭐⭐ Build a Robust SaaS Platform with User Management & Payment Processing ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you are looking for a developer to launch your SaaS platform. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for SaaS applications. I will create a solid user management system and seamless payment processing that fits your needs. ➡️ Why Me? I can easily handle your SaaS project from architecture to deployment as I have 5 years of experience in web development, focusing on user management and payment systems. My expertise includes building secure applications, integrating payment gateways, and developing APIs. Moreover, I have a strong grip on modern frameworks and technologies to ensure your project runs smoothly. ➡️ Let's have a quick chat to discuss your project details. I can show you samples of my previous work and how I can bring your vision to life. Looking forward to connecting with you in chat. ➡️ Skills & Experience: ✅ User Management Systems ✅ Payment Gateway Integration ✅ Role-Based Access Control ✅ Single Sign-On Solutions ✅ API Development (REST/GraphQL) ✅ Frontend Frameworks (React, Vue, Angular) ✅ Backend Frameworks (Node, Django) ✅ Database Management ✅ CI/CD Automation ✅ Secure Transactions ✅ Activity Tracking ✅ Documentation and Testing Waiting for your response! Best Regards, Zohaib
$50 USD in 40 days
7.7
7.7

Hello, You’re not just building a SaaS MVP , you’re setting the foundation for recurring revenue, access control, and future analytics without rework. That hidden risk is usually where launch projects slip, and I can help you avoid it. I’ve built web apps with user roles, Stripe-based subscriptions, webhook handling, admin panels, and clean database structures that are easy to extend. I’ll organize the app around a solid schema, secure authentication, SSO flow, and deployment-ready code so the first release is stable and future features like activity tracking feel natural. 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 share which SSO provider you want to support first, and whether Stripe will be the primary billing gateway? Also, do you already have the role hierarchy and subscription tiers defined, or should I help structure them? Looking forward to your reply so we can finalize the exact plan. Best regards, Asad
$50 USD in 13 days
7.2
7.2

As an experienced full-stack developer, I bring to the table not only comprehensive proficiency in technologies such as HTML, CSS, JS, and React.js but also a deep understanding of developing SaaS applications. Having worked on projects with similar requirements before, I am well-versed in architecting robust user management systems with role-based access control and Single Sign-On integration. Furthermore, I have successfully implemented payment systems with recurring billing and secure card vaulting that prioritize end-to-end encryption and comply with standard PCI practices. In addition to these technical skills and experience, I am dedicated to ensuring the scalability and maintainability of your application. With my knowledge of Docker containers, CI/CD tooling, and cloud services like AWS, GCP, etc., I can assure you a streamlined containerized deployment along with detailed setup documentation. Lastly, I believe great coding should be coupled with great UX/UI design. Being adept at tools like Figma and Adobe XD allows me to demonstrate this belief through intuitive interfaces that provide seamless user experiences. Your project's potential for extensibility including analytics and reporting intrigues me, making me suited not just for an MVP but for long-term collaboration where together we can build something remarkable from the ground up
$50 USD in 40 days
6.7
6.7

Hi, I have over 5+ years of experience in both frontend and backend development. I will do the specified tasks. Key Areas of Expertise: a) Full-Stack Development: Proficient in both frontend and backend technologies Frontend: Next, Js, ReactJS, Bootstrap, JavaScript, jQuery Backend: Laravel, CodeIgniter, Node.js b) API Integration: Experienced in integrating and working with APIs to enhance application functionality. c) Microservices: Skilled in developing and integrating microservices for scalable and efficient solutions. d) Database Management: Competent in managing databases with Postgresql, MySQL, MongoDB, and Oracle. d) Server Handling: Adept at handling server environments such as AWS, Google Cloud, VPS, Apache, and Nginx. Lets connect in chat so that We discuss further. With Regards, Sai
$50 USD in 500 days
6.4
6.4

I’ll build your SaaS MVP on React with a Node.js backend — role-based access control with SSO via Auth0, Stripe subscription billing with recurring payments, secure card vaulting, and webhook-driven status updates. Clean REST API, admin panel for user and payment oversight, containerised with Docker, CI/CD configured, and deployed to staging with full documentation. Let’s discuss further over call?
$50 USD in 40 days
6.6
6.6

Hi, I checked your "Full Stack SaaS App Build" project and it looks like understanding the existing workflow will be important before making any changes. I've worked on similar PHP projects involving php, website design, software architecture, angularjs, full stack development, payment processing, saas, rest api and prefer delivering work in small milestones so everything stays easy to review and adjust if needed. If you can share a few more details about the current setup and expected outcome, I'll suggest the best approach and provide an accurate timeline. ⭐ 5.0/5 from a recent client: "Project was delivered before Time with Best professional Knowledge One could ever held. Thanks for the support" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$50 USD in 1 day
6.5
6.5

Hi, You're building a full-stack SaaS with solid user management and recurring payments. Getting RBAC, SSO, and the payment flow right early reduces friction for growth. I've shaped multi-tenant apps with role-based access, SSO integration, and PCI-compliant payment handling. I'd start by validating the current flows, isolate unstable parts, and build against real usage patterns, ensuring clean hooks for analytics later. One technical risk / key challenge: Onboarding SSO tenants and synchronizing user states across providers can be tricky if tokens or mappings drift. Two clarification questions: What should happen if an SSO user is deprovisioned but still has active subscriptions? How should data ownership and migration be handled between MVP staging and production, especially for admin analytics? If we're aligned, I'd be happy to walk you through the implementation plan before we get started. Best regards, Brandon
$50 USD in 24 days
6.0
6.0

I understand you need a SaaS MVP with strong user management and payment features that set the stage for future growth. I’ve helped a client in the B2B SaaS space implement role-based access tied to subscription tiers, plus SSO via SAML, which made onboarding corporate customers smooth. For payments, I’ve built Stripe integrations with recurring billing and webhook handling that keep transaction states accurate and secure. I recommend using React on the front end with Node.js for the backend—it’s a proven combo for clean APIs and easy containerization. Will you prefer REST or GraphQL for the API? Also, do you have a preferred identity provider or should I design flexible SSO support? The MVP will include a stable staging environment, database migrations, an admin panel to manage users and payments, plus deployment scripts and tests for reliability. Everything will be built so adding analytics later is straightforward. I’m ready to start architecting your platform and delivering a solid, scalable foundation quickly.
$50 USD in 7 days
5.8
5.8

Hey, I’ve carefully reviewed your project, and I understand you need a scalable SaaS foundation with secure user management, subscription billing, and an architecture designed for future growth. I can help build a reliable MVP with clean code, strong security practices, and a structure that supports adding analytics and advanced features later. I will develop the web application with role-based access control, SSO integration, recurring payment workflows, admin management tools, database migrations, automated deployment setup, and essential testing. The solution will be designed for maintainability, smooth scaling, and efficient future iterations. I have hands-on experience building SaaS platforms and would be happy to share relevant examples during our discussion. One quick question: Do you already have a preferred SSO provider in mind, such as Auth0, Azure AD, or Google Workspace? Portfolio: https://www.freelancer.com/u/Hammadhassan21 Best Regards, Hammad Hassan
$50 USD in 40 days
6.3
6.3

Hi, I will build your SaaS MVP with role based access control, Single Sign On, and Stripe powered recurring billing, taking the project from architecture through containerized deployment and continuous integration and delivery automation. I built a SaaS product that handled recurring Stripe billing for 3,000+ subscribers and included an admin console. I will deliver a staging MVP, database schema and migrations, role based access control with SSO integration, subscription billing with secure card vaulting and webhook driven status updates, an admin panel for user and payment oversight, deployment scripts, basic tests, and concise setup documentation. The API and backend will be designed so activity tracking and deeper analytics can be added later as a natural extension. Transactions will be encrypted end to end and implemented to comply with PCI standards. Which SSO protocol do you prefer: SAML, OIDC, or both? If you share any existing requirements or repo access I will produce a one page architecture diagram and a short list of immediate blockers within 48 hours, free and no commitment. Thanks, Ali Zain
$50 USD in 7 days
5.3
5.3

hi, i have reviewed the details of your project. i have solid experience building saas platforms with secure user management and payment systems. i will develop a scalable application with role based access control, sso integration, recurring subscriptions, secure payment processing, and a clean rest api. i will also set up the database, staging deployment, admin panel, testing, and documentation so the platform is ready for future growth. can we schedule a quick meeting to discuss the project in detail. it will help me understand your needs better and give you a clear plan with timeline and budget. i will also share my portfolio during the chat. thanks mughiraa
$50 USD in 40 days
4.8
4.8

As an experienced software engineer with a diverse background in full-stack development, I’m confident in my ability to deliver exceptional results on your project. My skills span a multitude of languages and frameworks including PHP, one that’s proven to be invaluable in creating effective user management systems and seamless payment processes. My previous projects align perfectly with your requirements. For example, I recently developed a real-time automated supply chain system which showcased my ability to create intricate systems that include role-based access control, MQTT integration, and websockets - essential for the smooth-running of your SaaS platform. Furthermore, my no-code library implemented using Java streamlines the integration of key features which indicates my potential value in saving you time and resources during the project's lifespan. Acknowledging the potential need for scalability and addition of deeper analytics in the future, I adopt an approach that emphasizes clean architecture and maintainable code - ensuring seamless updates/retrofits. Additionally, my experience with containerized deployment and CI/CD automation further demonstrates my alignment with best practices necessary for the initial release as well as future iterations. Together let's build a product that is not only technically robust but tailored to your business goals.
$50 USD in 40 days
4.4
4.4

Hi, I understand your vision for the new SaaS platform and appreciate the clear direction on the first release's must-have pillars: user management and seamless payment processing. I'll outline my approach to delivering a robust and scalable solution. First, I'll design a role-based access control system, incorporating Single Sign-On (SSO) to leverage corporate credentials. This will lay the groundwork for future integrations, such as activity tracking and analytics, without requiring significant rework. I'll use Laravel's built-in support for SSO and implement a modular architecture that allows for easy addition of features down the line. For payment processing, I'll set up recurring billing, secure card vaulting, and webhook-driven status updates using Stripe or a comparable gateway. This will ensure seamless interactions with your customers and provide real-time updates on subscription status. I have extensive experience with payment gateways, including Stripe, and have successfully integrated them into various SaaS applications. My approach will ensure that the payment system is both secure and scalable. To deliver this project efficiently, I'll maintain a clean and organized codebase, following established best practices and adhering to your coding standards. I'll also ensure that all code is thoroughly tested and documented, allowing for smooth future maintenance and updates. If you have any questions or concerns, please don't hesitate to ask. Best Regards, Anil Prajapati
$50 USD in 7 days
3.6
3.6

Hello, "Modular Auth & Stripe Billing" - user management and payments. I built a full‑stack site with email sign‑up, admin panel and payment handling; see it here: https://www.freelancer.com/projects/web-design/Classic-Articles-Website-with-Email/reviews. I used Node/Express and Stripe, so the core pieces match your MVP. I’ll implement role‑based access with SSO (SAML/OAuth) and store cards in Stripe’s vault, ensuring PCI compliance from day one. Which SSO provider (e.g., Azure AD, Okta) do you prefer, and do you have a Stripe account already set up? Looking forward to working with you. Artur Giżycki
$50 USD in 40 days
3.0
3.0

Hello, The MVP needs a solid foundation around subscription-aware access, SSO, and reliable billing events rather than treating these as separate features. I’d structure the app with clear user/role/subscription boundaries, SSO integration, Stripe webhooks as the billing source of truth, and an API layer that leaves room for analytics later. Dockerized staging, migrations, automated tests, and CI/CD would be included from the start so deployment stays predictable. For the stack, React with Node.js or Django would both fit well depending on your SSO requirements. Which SSO provider do you need first (Microsoft, Google Workspace, Okta, etc.)? Should subscription tiers map directly to roles, or should permissions be independently configurable? Happy to discuss the architecture and break the MVP into practical milestones. Thanks, Akshay
$50 USD in 40 days
3.0
3.0

Wassup, I'm Nazarii! Having successfully built and launched numerous SaaS platforms, I strongly believe I'm the full-stack rockstar you're looking for. My proficiency in React, React Native, and .NET C# align perfectly with your project requirements. You'll be impressed by my abilities in Component Development, State Management, Routing, Integration with APIs, Styling, Debugging and Testing, Code Quality, Version Control, Agile Methodologies – all of which are pivotal to delivering a reliable MVP. Allow me to highlight some powerful skills we'd need for this platform. For user management, I can design a robust role-based access control system ensuring precise access at each subscription tier. Scaling and extending it for even deeper analytics later won't be an issue either. Similarly, your complex payment plans are right within my forte - I can implement secure card vaulting, webhook-driven status updates ascribe to PCI practices alongside recurring billing. While I appreciate your stack flexibility, let me propose using React on the frontend along with Node on the backend to keep things maintainable yet scalable. Not only that but I can absolutely ensure a clean REST or GraphQL API, containerised deployment as well as CI/CD automation.
$50 USD in 40 days
0.0
0.0

I've built scalable SaaS platforms with secure authentication, subscription billing, and API-first architectures designed for long-term growth. For your MVP, I'd use React with Node.js (or your preferred stack), implement RBAC, SSO via OAuth/OpenID Connect, Stripe recurring billing with webhook processing, REST APIs, Docker, and CI/CD to deliver a secure, maintainable deployment. With 8 years of professional software engineering experience, I've developed modular systems that reduced future feature implementation time by over 40% through clean architecture, automated testing, and well-defined APIs. A quick win is designing the permission model before development so future subscription tiers require minimal code changes. Are you planning to use Azure AD, Google Workspace, or another identity provider for SSO? Also, do you already have subscription plans and user roles defined, or should I help design them?
$50 USD in 40 days
0.0
0.0

Hi, I'm Alex – a full-stack developer who's built SaaS platforms from scratch before. So you're launching a new SaaS – user management with role-based access and SSO, plus recurring payments with Stripe or a similar gateway. Clean architecture that scales, containerized deployment, CI/CD. I'd build this with React for the frontend, Node.js with Express for the backend, PostgreSQL for data, and Stripe for payments – solid, mainstream, and proven. RBAC with different subscription tiers, SSO integration, webhook-driven payment updates, and an admin panel for user and payment oversight. I can deliver the MVP within 3-4 weeks. Let me know if you have any specific tech preferences or designs. Regards, Alex
$50 USD in 40 days
0.0
0.0

Hi, I've built SaaS applications with secure authentication, role-based access control, subscription billing, and scalable backend architectures. Your project is the kind of long-term build I enjoy, where the foundation is designed to support future growth rather than just the initial MVP. For the stack, I would recommend React with a Node.js or Python backend, PostgreSQL, Docker, and Stripe for recurring subscriptions. The platform can include RBAC, SSO integration, secure REST APIs, an admin dashboard, webhook-driven billing, and a CI/CD pipeline for reliable deployments. Everything will be structured so features like analytics, reporting, and additional subscription tiers can be added without major refactoring. I focus on writing clean, well-documented, production-ready code with security, maintainability, and performance in mind. I'm available to start immediately and would be happy to discuss the architecture, development milestones, and roadmap for your SaaS platform.
$50 USD in 40 days
0.0
0.0

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