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I will develop mern stack web app ai whatsapp ai agent react nodejs mongodb n8n crm api
Bridget
About this gig
Need a custom MERN stack web app with AI and WhatsApp API integration?
I develop full-stack web applications using React.js, Node.js, Express.js, and MongoDB, integrating AI assistants and the official WhatsApp Business Platform API to streamline your business operations.
WHAT I CAN BUILD
- Custom MERN stack web applications
- AI-powered WhatsApp chatbots and virtual assistants
- Secure login, user authentication, and admin dashboards
- Lead generation, appointment booking, and order workflows
- AI-powered customer support and FAQ automation
- CRM, REST API, and webhook integration
- Conversation history and knowledge-base features
- Deployment assistance, testing, and documentation
MERN Stack Development, MERN Stack Web App, Full Stack Web Development, React.js Developer, Node.js Developer, MongoDB Database, Express.js, AI Integration, AI Chatbot Development, WhatsApp API Integration, WhatsApp Business API, WhatsApp Chatbot, Custom Web Application, REST API Integration, Webhook Integration, CRM Integration, AI Automation, Admin Dashboard, SaaS Development, Website DevelopmentJavaScript Developer, Express.js Development, TypeScript Development, RESTful API, Backend Development, Frontend Develo
Get to know Bridget
Bridget
People are number one
- FromSpain
- Member sinceOct 2026
- Avg. response time1 hour
Languages
English, Spanish, French, German, Italian
I’m an AI Engineer & Automation Specialist helping businesses build AI agents, chatbots, voice AI, and automated workflows. I specialize in OpenAI, Claude API, n8n automation, CRM integration, WhatsApp automation, API integrations, and custom AI solutions. I build reliable systems that save time, automate repetitive tasks, improve customer support, and increase productivity. Have an AI idea or workflow to automate? **Message me today and let’s build your solution.
Other AI Development Services I Offer
FAQ
Does your solution use the official WhatsApp Business API?
Yes. I use authorized WhatsApp Business Platform API integrations and follow applicable Meta policies. However, account approval and continued access depend on Meta's requirements and your compliance.
Can the AI chatbot answer any question?
The chatbot is configured for your business needs, such as FAQs, products, services, and customer support. Its capabilities depend on the selected AI model and configuration. WhatsApp Business Platform policies may restrict certain AI use cases, so we will confirm that your intended workflow
What are the ongoing costs?
You may need to pay for WhatsApp messaging, AI API usage, hosting, and other third-party services. I can help estimate the expected running costs based on your anticipated message volume and feature requirements.
Will I receive the source code after delivery?
Yes. The agreed source code and project documentation will be provided according to your package. I can also provide a walkthrough explaining how to set up and maintain the application.
Can you deploy my MERN stack web app and integrate it with my existing business systems?
Yes. I can help deploy your MERN stack web application and integrate compatible third-party APIs, CRMs, databases, and business tools. Deployment, integrations, and configuration depend on your selected package and project requirements.
