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We are building a next-generation AI-powered SaaS platform designed to evolve into a fully autonomous business operating system for small-to-medium businesses. This is a long-term, high-complexity product with a vision to scale globally and generate strong recurring revenue. The platform will be developed in multiple advanced phases: Phase 1: Core System - AI-powered lead generation and outreach automation - WhatsApp and email communication workflows - Built-in mini CRM (customer data, pipeline, interaction tracking) - Analytics dashboard for business insights Phase 2: Advanced Automation - AI agents for sales, marketing, and customer support - Smart automation workflows with customizable logic - Visual drag-and-drop workflow builder - AI-based personalization and response generation Phase 3: Enterprise Architecture - Multi-tenant SaaS infrastructure - High-performance, scalable backend architecture - Role-based access control (RBAC) - API integrations (payments, messaging, third-party tools) Phase 4: Expansion & Specialization - Industry-specific modules (real estate, agencies, e-commerce, etc.) - Localization for global markets - Advanced reporting and predictive analytics Phase 5: Autonomous AI Ecosystem - Self-learning AI agents capable of intelligent decision-making - End-to-end business automation (lead → conversion → retention) - Marketplace for integrations, plugins, and extensions Technical Expectations: - Backend: ASP.NET Core or Node.js (scalable architecture required) - Frontend: React (modern, responsive UI) - Database: PostgreSQL or SQL Server - AI integration (OpenAI or equivalent) - Cloud-native deployment (AWS or Azure) - Clean, maintainable, production-grade code We are only looking for experienced developers or teams who have previously built scalable SaaS platforms or complex systems. When applying, please include: - Relevant SaaS or AI project experience (with links if available) - Your recommended architecture approach for this system - How you would break this into development phases This is not a basic project. We are building a high-impact, scalable product with a long-term vision. Long-term collaboration opportunity available for the right team.
Project ID: 40596591
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83 freelancers are bidding on average $7,452 USD for this job

Hi, I've built AI-powered SaaS platforms before—this is exactly our wheelhouse. I noticed you're aiming for a fully autonomous system, which means we need to nail the architecture from day one so it scales as your AI capabilities grow. We handle the full stack: platform design, backend systems, frontend interfaces, and AI integration. I've delivered 1500+ web and mobile projects over 14+ years—happy to share relevant examples. Let's talk through your vision. Send over more details and we'll map out the approach. Regards, Nurul Hasan
$7,000 USD in 60 days
8.7
8.7

Hi, I will deliver Phase 1 of your AI-powered SaaS platform: the lead generation engine with WhatsApp/email workflows, the mini CRM with pipeline tracking, and the analytics dashboard, all running on a multi-tenant foundation so Phases 2 through 5 do not require a rewrite. On a recent SaaS build using React, ASP.NET Core, and PostgreSQL with OpenAI integration, structuring the AI layer as a separate microservice made it straightforward to swap models and add new agent types later. I will architect yours the same way. Questions: 1) For the WhatsApp workflows, will you use the official Meta Business API, or is a third party like Twilio already in place? 2) Do you have wireframes or a Figma file for the dashboard, or will UI design be part of this scope? Ready to start whenever you are. Kamran
$5,512 USD in 30 days
8.6
8.6

Hi, I'm interested in your project "AI-Powered SaaS Platform Development". I have relevant experience and can deliver quality results within your timeline and budget. I'd love to discuss the details. Please feel free to reach out.
$5,000 USD in 7 days
6.8
6.8

With eight years at the forefront of digital innovation and a deep understanding of web development including working with APIs, I'm compelled to lead your AI-Powered SaaS Platform Development project. My passion lies in leveraging modern technologies, including those central to your project description: React, ASP.NET Core or Node.js, PostgreSQL or SQL Server, and cloud-native deployments on AWS or Azure. I have an affinity for building scalable systems and have had the privilege of working on projects comparable in complexity to yours – most notably implementing smooth communication workflows and refined CRM functionalities. Beyond contributing my technical competencies, what distinguishes me is my commitment to fostering a result-oriented partnership. We're not just building another SaaS platform; we're preparing ourselves for localizing it on global markets and cultivating self-learning AI. By harnessing my extensive experience across different industries and employing best practices for maintenance and support, I hope for a fruitful long-standing collaboration that drives success for us all. Let's make magic together!
$7,500 USD in 15 days
6.5
6.5

Your project is ambitious and well-structured, which is great for scaling effectively. For a platform like this, I would recommend starting with a microservices architecture from Phase 1. This ensures each component—AI lead gen, communication workflows, CRM, and analytics—can be developed and scaled independently. Node.js works well for backend scalability, paired with PostgreSQL for reliable relational data and React for a smooth user interface. Breaking it down: - Phase 1: Build core services with clear API contracts, enabling seamless AI integration (OpenAI or similar) and communication workflows using message queues to handle WhatsApp and email reliably. - Phase 2: Introduce AI agents as separate services with customizable logic managed through the drag-and-drop builder. - Phase 3: Shift the core to multi-tenant architecture and implement RBAC, aligning with enterprise-grade standards. - Phases 4 & 5: Focus on vertical specialization and autonomous AI capabilities, leveraging container orchestration (Kubernetes on AWS or Azure) for scaling. I’ve helped a SaaS company build a modular, AI-enhanced client outreach platform with dynamic workflows, which taught me the importance of clean API design and phased rollouts. Two key questions to clarify: 1. Do you envision real-time updates on the analytics dashboard or is near-real-time acceptable? 2. Are there preferred third-party messaging or payment APIs you want integrated early on? This can be started right away with a detailed system design and prototyping of the core modules.
$5,000 USD in 7 days
6.0
6.0

hi, i have reviewed the details of your project. i have experience building saas platforms with ai integrations, automation workflows, dashboards, and scalable backend systems. i can help develop this platform in phases, starting with the core crm, ai outreach, communication workflows, and analytics foundation. my approach will be to build a clean architecture with react frontend, scalable backend services, secure database structure, and flexible ai integrations that can grow into advanced agents and automation features. i will focus on modular development so future features like multi tenant support, integrations, and industry modules can be added smoothly. 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. mughiraa
$7,500 USD in 7 days
5.7
5.7

As an experienced full stack developer, I am well-equipped to handle the dynamic challenges and extensive requirements of your AI-powered SaaS platform. Over my 5+ years in the industry, I have successfully designed and developed multiple scalable platforms including SaaS applications, mobile apps, and business websites. I am well-versed with the technologies you require - utilizing React.js for frontend development gives me the ability to create modern and highly responsive UIs, while for backend development, Node.js ensures that the architecture is completely scalable. Ensuring clean, optimized, and maintainable code is second nature to me - just like leveraging databases effectively for optimal performance and integrating APIs smoothly. These skills are crucial for a platform of such complexity as yours. Moreover, my experience with long-term projects aligns perfectly with your vision; I understand the importance of laying a robust foundation during each phase to avoid any potential issues in future iterations. My collaborative approach to project management will ensure transparency and steady progress through all phases of development. I believe that with my skills and passion, it would be a privilege to bring your transformative vision to life. Let's connect soon to discuss how we can make this journey
$7,500 USD in 7 days
5.6
5.6

Hi, I reviewed your project: AI-Powered SaaS Platform Development. Your requirement involves Firebase, Microsoft Azure, and/or Power Platform integration—not a generic Laravel build. I can design the required data flow, connect APIs and cloud services, automate business processes, and implement secure synchronization with clear logging, monitoring, and error handling. I can work with Firebase/Firestore, Cloud Functions, Azure Functions, Azure Data Factory, Azure SQL, Dataverse, Power Apps, Power Automate, Power BI, .NET/C#, REST APIs, authentication, and production deployment. I will first confirm your current architecture, data sources, required workflows, access model, and acceptance criteria, then provide a practical implementation plan. Portfolio: https://www.freelancer.com/u/irfanui Regards, Mohammad 4th Dimension Partners
$7,200 USD in 1 day
5.8
5.8

I can help with this, We will architect and build this platform phase by phase: AI lead generation, WhatsApp and email workflows, mini CRM, analytics dashboard, then scale into multi-tenant SaaS with autonomous AI agents. For the architecture, we recommend a modular monolith on ASP.NET Core to start. Each domain (CRM, outreach, AI agents) will live in its own bounded context. This lets us move fast in Phase 1 and extract microservices in Phase 3 when multi-tenancy demands it. For the AI layer, we will use a pipeline pattern so swapping models (OpenAI, Claude, open-source) stays simple. A couple of quick things to confirm: 1) Do you have a preference between AWS and Azure, or should we recommend based on cost and service fit? Looking forward to talking through the details. Faizan
$5,606 USD in 30 days
5.6
5.6

Hi, thank you for sharing your project. Could you share your preferred backend stack between ASP.NET Core and Node.js? Also, do you already have detailed product requirements for Phase 1, or should we begin with architecture and MVP planning? I understand you're building a long-term AI-powered SaaS platform that will evolve into a scalable business operating system with CRM, AI agents, workflow automation, multi-tenant architecture, analytics, and industry-specific modules. I will design a modular cloud-native architecture with React, ASP.NET Core or Node.js, PostgreSQL, OpenAI integration, secure RBAC, REST APIs, and scalable microservices. Phase 1 will focus on lead automation, CRM, messaging workflows, and dashboards, while ensuring the architecture supports future AI agents, workflow builders, marketplace integrations, and enterprise-scale expansion without major redesign. My experience includes enterprise SaaS platforms, AI automation, CRM systems, multi-tenant applications, cloud infrastructure, API integrations, and scalable full-stack development. I focus on clean architecture, maintainable code, and long-term product scalability. I will provide production-ready code, documentation, deployment support, and ongoing collaboration throughout future phases. Best regards. Daniel
$8,500 USD in 25 days
5.1
5.1

Hi there, With 15+ years of full-stack engineering and architecture experience, I specialize in building enterprise-grade, multi-tenant AI SaaS platforms designed for high scalability, security, and global expansion. Recommended Architecture Approach: Frontend: React + TypeScript (modular micro-frontend architecture with dynamic drag-and-drop workflow UI). Backend: Node.js / ASP.NET Core microservices with an event-driven architecture (e.g., Redis/RabbitMQ) to seamlessly orchestrate autonomous AI agents. Database & Cloud: Multi-tenant PostgreSQL, hosted on AWS/Azure using Kubernetes/Docker, with strict RBAC, Row-Level Security (RLS), and CI/CD pipelines. AI Integration: Hybrid LLM pipeline (OpenAI/Anthropic APIs + LangChain/LlamaIndex) for agentic decision-making, vector search, and context memory. Phased Execution Strategy: Phase 1 (MVP Foundation): Core multi-tenant setup, mini-CRM, email/WhatsApp API webhooks, and AI outreach engine. Phase 2 (Agentic Logic): Visual workflow builder, autonomous sales/support AI agents, and custom logic node parser. Phases 3–5 (Scale & Autonomous Ecosystem): Enterprise RBAC, multi-region deployment, industry modules, and plugin marketplace. Ready to start immediately and architect a long-term, scalable asset for your team. Let's connect on chat to discuss the roadmap and review my previous SaaS architecture work! Best regards, Karthik
$9,900 USD in 7 days
5.1
5.1

Hi Mate , Good morning! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Graphic Design, AI Automation, AI Chatbot Development, AI Agents, HTML, Website Design, Full Stack Development, PHP and SaaS. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Please respond at your earliest convenience
$8,325 USD in 3 days
4.6
4.6

I've built a similar AI platform using OpenAI and GPT-4. Here's how I can deliver your vision: Step 1: Initial Analysis & Architecture Planning. I'll assess your needs and propose a Node.js backend with React frontend. Deliverable: Architecture document. Step 2: Core System Development. Implement AI-powered lead generation and outreach automation with OpenAI API, including WhatsApp and email workflows. Deliverable: Functional prototypes with test data. Step 3: AI Agent Integration. Develop automation workflows and AI agents for sales and support using LangChain. Deliverable: AI agent demo with customizable logic. Step 4: SaaS Infrastructure Setup. Deploy a multi-tenant architecture on AWS with PostgreSQL. Deliverable: Deployment guide and role-based access control setup. I offer a paid discovery session to ensure alignment before we proceed. Want to discuss your architectural preferences first?
$7,743 USD in 7 days
4.5
4.5

Hi, This is exactly the kind of SaaS platform we build. We have extensive experience with WhatsApp Business API, SMS platforms, AI automation, CRM, workflow engines, and scalable multi tenant SaaS architecture. Many of the features you’ve listed are already part of systems we’ve developed, and I can show live demos on chat. I can also recommend the right architecture and execution plan to ensure the platform scales globally from day one. Let’s discuss on chat. Thanks, Nikhil
$5,000 USD in 30 days
4.0
4.0

Hola Evgenia desde México Leí tu especificación, quieres una plataforma SaaS impulsada por IA con cinco fases, desde generación de leads y CRM hasta agentes autónomos, usando ASP.NET Core o Node.js, React, PostgreSQL y despliegue en la nube, ese es un proyecto ambicioso El plan es comenzar con una arquitectura escalable usando Node.js con Fastify para el backend por su rendimiento y React para el frontend, con PostgreSQL como base de datos, implementaré autenticación y multi-tenant desde el inicio, luego construiré el sistema de leads y comunicación, y dejaré la base para los agentes de IA usando OpenAI, con despliegue en AWS he construido plataformas SaaS escalables antes, así que la base será sólida Preguntas para entendernos mejor: 1 Tienes preferencia por ASP.NET Core o Node.js para el backend 2 Cuántos usuarios esperas en el primer año de lanzamiento 3 Tienes integraciones específicas de pago o mensajería en mente Happy to plan the best way with you Gracias!
$5,000 USD in 20 days
4.0
4.0

Hello! I've been recommended by a Freelancer Recruiter. Nice to meet you. I've just completed a similar AI-powered social platform with real-time media uploads for a client who needed a platform to evolve into a fully autonomous AI-powered solution. I'm confident in my skills to deliver a seamless AI chatbot and automation stack. The project is a social app, and I've built a full stack solution that can scale. I can create a 5-star review for my team's results. Chris | Lead Developer | Novatech Multiple 5-star reviews on social apps, real-time media pipelines, and AI automation. Happy to hop on a quick call to discuss architecture and timeline. Chris | Lead Developer | Novatech
$10,000 USD in 8 days
3.9
3.9

Hello, "AI-POWERED SAAS PLATFORM" — you need a scalable system that automates lead generation, CRM, and AI agents for SMBs. I’d build the backend with Node.js (NestJS) on AWS ECS, using PostgreSQL for data and OpenAI’s API for the AI agents; this stack gives easy horizontal scaling and fast cold‑start responses for real‑time automation. I delivered a similar verified‑leads list: https://www.freelancer.com/projects/research/Australian-Sales-Leads/reviews For multi‑tenant isolation I’ll implement role‑based access control at the service layer and use schema‑per‑tenant in PostgreSQL to keep data secure while keeping queries fast. Which cloud platform—AWS or Azure—do you prefer for the initial deployment? Looking forward to working with you. Artur Giżycki
$6,500 USD in 30 days
2.9
2.9

Hi, I understand you're building a multi-phase AI-powered SaaS for SMBs with a long-term growth plan. The goal is to evolve into autonomous business automation while keeping operations practical and observable. I’ve led similar SaaS efforts that combine CRM, automation, and AI-assisted workflows, with careful data and access controls. I’d start by validating current flows and small-scale automation in Phase 1, then lock down data models, add RBAC, and incrementally roll out analytics and outreach features, using feature toggles and real user tests. Data isolation in a multi-tenant environment and robust RBAC will be a challenge early on. What data-partition approach should we enforce for tenants (shared DB with row-level security or separate schemas)? What are your target uptime and deployment expectations for Phase 1, and how will feature toggles influence rollout and migrations? If we're aligned, I can outline the implementation phases before kickoff. Best regards, Brandon
$7,000 USD in 40 days
2.4
2.4

Hello, AI SaaS Architecture – I will design a scalable, cloud-native architecture using ASP.NET Core or Node.js, React, PostgreSQL, and AI services, ensuring modular development, high availability, and smooth expansion across future product phases. Core Platform Development – I will implement the MVP with AI-powered lead generation, CRM, communication workflows, analytics, and secure APIs, following a microservices or modular architecture that supports rapid feature growth without major refactoring. AI Agents & Automation – The platform will evolve with multi-agent AI orchestration, workflow automation, RAG, memory management, tool integrations, and LLM-powered decision making, allowing intelligent collaboration between specialized agents. Enterprise Infrastructure – I will implement multi-tenant architecture, RBAC, API integrations, cloud deployment, monitoring, CI/CD, caching, and performance optimization to support enterprise-scale workloads and global growth. Delivery Strategy – Development will follow milestone-based phases with continuous testing, documentation, and production-ready code. The architecture will be designed to support future industry modules, marketplace integrations, and a fully autonomous AI business ecosystem.
$8,000 USD in 30 days
2.4
2.4

Bringing Firebase, Azure, and Power Platform together successfully depends on a clean data flow and reliable automation. For AI-Powered SaaS Platform Development, I can connect the required services, map and synchronize records, build secure functions or workflows, and include validation, monitoring, retries, and useful error logs from the beginning. I work across Firestore, Cloud Functions, Azure Functions, Data Factory, Azure SQL, Dataverse, Power Apps, Power Automate, Power BI, and .NET integrations. If you share the current systems, data direction, update frequency, and desired final outcome, I can turn them into a clear implementation roadmap. See my work: https://www.freelancer.in/u/heenafullstacken Warm regards, Heena A Plus IT House
$7,200 USD in 1 day
2.1
2.1

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