This article outlines the technical responsibilities, required and additional skills, and learning outcomes for a full-stack role focused on building a WhatsApp API + CRM SaaS platform. It covers backend Node.js development, frontend dashboards with Next.js/React.js, database schema design, real-time messaging, automation and chatbots, plus collaboration and secure scalable coding practices—details are expanded in the sections below.
Key Responsibilities and Technical Scope
The role focuses on end-to-end development and delivery of a WhatsApp-integrated CRM system. Responsibilities include:
- Backend development: Develop backend systems using Node.js for WhatsApp API integration and CRM functionalities.
- APIs and real-time features: Build and maintain RESTful APIs and real-time features using WebSockets / Socket.io.
- Frontend dashboards: Work on frontend dashboards using Next.js / React.js for CRM and messaging systems.
- Database design and optimization: Design database schemas (MongoDB/PostgreSQL) and optimize queries for high performance.
- Automation and chatbots: Implement automation features, workflows, and chatbots for WhatsApp messaging.
- Security and scalability: Ensure secure and scalable code following best practices.
- Collaboration: Collaborate with designers and other developers to deliver full-stack solutions.
Required Skills, Additional Skills, and What You’ll Learn
This section lists the essential and optional skills tied directly to the responsibilities above, followed by the practical learning outcomes you will gain.
- Required Skills:
- Strong proficiency in Node.js and JavaScript (ES6+)
- Experience with Next.js / React.js for frontend development
- Knowledge of MongoDB or PostgreSQL, schema design, and optimization
- Hands-on experience with REST APIs, Webhooks, and real-time messaging
- Understanding of WhatsApp Business API or similar messaging platforms is a plus
- Knowledge of Git/GitHub and version control
- Good problem-solving ability and learning attitude
- Additional Skills (Optional but Valuable):
- Experience with Socket.io / real-time chat systems
- Knowledge of Docker / Cloud hosting (AWS, DigitalOcean)
- Familiarity with CRM or SaaS platforms
- Understanding of automation workflows and chatbots
- What You’ll Learn:
- Build a complete WhatsApp API + CRM SaaS platform from scratch
- Work with real-time messaging, AI chatbots, and automated workflows
- Gain experience in full-stack development for scalable business applications
- Exposure to cloud deployment, database optimization, and security best practices
In summary, this role centers on building a WhatsApp API + CRM SaaS platform through Node.js backend development, Next.js/React.js frontends, database schema design (MongoDB/PostgreSQL), real-time messaging, automation and chatbots, secure scalable coding, and collaboration. Required and optional skills align with these responsibilities. If you match these capabilities, you'll gain hands-on experience across full-stack development, real-time systems, and cloud-ready SaaS practices.