Muhammad Barshan H.

WhatsApp Official API Developer - Meta Tech Provider With 7+ years of experience in full-stack development and messaging API integration, I specialize in building scalable, secure, and high-performing communication platforms using Meta (WhatsApp) Cloud API, Twilio, 360Dialog, and custom messaging gateways. Whether you want to automate customer conversations, integrate real-time chat in your product, or build an AI-powered communication assistant, I help you move from idea → architecture → production with confidence. WHAT I CAN HELP YOU WITH: • WhatsApp Business Platform and Cloud API setup • Meta app, webhook, and phone number configuration • Custom WhatsApp chatbots and conversation flows • AI-powered WhatsApp assistants • Lead qualification and automated follow-ups • CRM, website, ERP, and e-commerce integrations • Order confirmations, delivery updates, and reminders • Message templates, buttons, lists, and interactive messages • WhatsApp marketing automation built around platform policies • Existing WhatsApp integration troubleshooting • Custom dashboards and complete automation platforms TECHNICAL EXPERIENCE: WhatsApp Business Platform, WhatsApp Cloud API, Meta APIs, React, Next.js, Node.js, Python, REST APIs, webhooks, databases, CRM systems, and custom business applications. I do more than connect an API. I study your business workflow and build a reliable system that reduces manual work, improves response times, and remains maintainable as your business grows. Whether you need a straightforward WhatsApp integration or a complete automation platform, send me your current workflow and desired outcome. I will help you identify the simplest and most reliable way to build it. ⚙️ Tech Stack Languages & Frameworks: Java (Spring Boot), Python (Django, FastAPI), PHP (Laravel), React, Next.js Messaging APIs: Meta / WhatsApp Cloud API, Twilio, 360Dialog, Vonage, Firebase, Slack, MS Teams Cloud & Infra: AWS Lambda, Docker, Kubernetes, Redis, Celery, Jenkins, CI/CD Databases: PostgreSQL, MySQL, MongoDB, Elasticsearch AI & Automation: OpenAI, LangChain, RAG Pipelines, Voice AI, Chatbots, Agentic AI 💬 Client Promise 💡 Clear communication | no hidden costs ⚡ Fast delivery | without cutting corners 🧩 Full ownership | you get all code & documentation 💰 100% refund if expectations are missed Let’s build something that actually communicates. Message me to discuss your project. Regards, Barshan Hassan ⚡ Skill Tags Full Stack Developer | JAVA | Python | PHP | WhatsApp Business API | Meta API | Communication | MERN Stack | Elementor Pro | WooCommerce | React Developer | Custom APIs | E-commerce Development | Web Design | SEO Optimization | Payment Gateway Integration | Responsive Design | MongoDB | Node.js | Express.js | React.js | MySQL | Shopify | Website Redesign | Website Maintenance | Figma to Code | Custom APIs | HTML5 | CSS3 | JavaScript | Technical SEO | API Integrations | Frontend Development | Backend Development | Website Security | Speed Optimization | REST API | Web Applications | Database Optimization | Bug Fixing | Website Migration Custom WordPress Themes | Elementor Landing Pages | WooCommerce Customization | React Frontend Developer | Node.js Backend Developer | MongoDB Aggregation | Website UI/UX Improvement | Speed Optimization Expert | Technical SEO Expert | Third-Party API Integration | RESTful API Developer | Website Performance Optimization | Responsive Web Development | Mobile-First Web Design | JavaScript ES6+ | E-commerce Payment Integration | Shopify Customization | Shopify to WordPress Migration | Next.js | Website Debugging | Bug Fix Specialist