Looking for Expert Full Stack & AI Developer (SaaS / WhatsApp / OpenAI)

**Full Stack / AI Developer Needed (Multi-Tenant SaaS Platform)**

We are building a **Multi-Tenant SaaS platform** currently under active development, focused on:

• AI Chatbot
• Live Chat
• WhatsApp Business API Integration
• CRM & Customer Support System
• Realtime Messaging

We are looking for a highly experienced Full Stack / AI Developer to join and continue development, improve the existing architecture, and build new features at a professional production level.

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## Required Skills & Experience:

Strong experience in:

• TypeScript
• JavaScript
• React.js
• Next.js
• Node.js
• MongoDB
• Tailwind CSS
• Socket.IO
• REST APIs & Webhooks

Strong understanding of:

• SaaS Architecture
• Multi-Tenant Systems

Experience with AI technologies:

• OpenAI APIs
• AI Chatbots
• RAG (Retrieval-Augmented Generation)
• Prompt Engineering
• Vector Databases
• AI Agents
• LangChain or similar frameworks

Realtime & System Design:

• WebSocket / Socket.IO
• Scalable System Architecture
• Realtime Chat Systems

Messaging & Integrations:

• WhatsApp Business API
• Meta Cloud API
• Webhooks Integration
• Twilio / Vonage (preferred)

Additional valuable experience:

• Authentication & Security
• Redis / Queue Systems
• Docker
• Linux / VPS Deployment
• Git & GitHub

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## Responsibilities:

• Understand and take over an existing codebase
• Improve system architecture and performance
• Develop clean, scalable, production-ready code
• Fix issues and optimize system performance
• Build and implement new features

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## Please include:

• Previous projects
• GitHub or Portfolio
• Experience with AI or WhatsApp API systems
• Short introduction about your experience

We are looking for a developer with real experience in **large-scale SaaS systems**.