Creating a WhatsApp Notification Service Using AWS Lambda and a Serverless Framework

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prerequisites
basic JavaScript • basic Node.js • basic NoSQL database • basic DynamoDB CRUD operations
skills learned
using Node.js libraries • building APIs with Amazon API Gateway • storing templates and logs in AWS DynamoDB • processing messages with Amazon SQS
Nishant Kumar
6 weeks · 6-8 hours per week · BEGINNER
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Look inside
In this liveProject you’ll step into the shoes of a backend engineer working for a SaaS company that builds custom WhatsApp messaging tools. Your new client is a college professor who wants to be able to send group messages to her students. Your challenge is creating cloud-based software that lets your client write customizable messages, send messages to individuals or an uploaded group list, and view a message delivery status log. To do this, you’ll use Node.js, a serverless framework, and AWS resources such as Lambda Function and DynamoDB.
This project is designed for learning purposes and is not a complete, production-ready application or solution.

project author

Nishant Kumar
Nishant Kumar is a software developer for a Fintech startup in Berlin, where he is responsible for building a cloud-agnostic scalable distributed system. He has spent nine years working in the software industry, including building SaaS, IoT, Fintech, retail, and enterprise-scale solutions.

prerequisites

This liveProject is for JavaScript developers looking for hands-on experience writing production-grade services. To begin this liveProject, you will need to be familiar with:

TOOLS
  • Basics of JavaScript
  • Basics of Node.js
  • Basics of NoSQL database
  • Basics of DynamoDB CRUD operations
  • REST APIs
  • Basic knowledge of YML/YAML-based syntax
  • Command-line interfaces (CLIs)
TECHNIQUES
  • Serverless architecture
  • Basics of event-driven architecture
  • Basics understanding of webhooks and idempotency concepts
  • Familiarity with Rest API client tools such as Postman or Insomnia REST

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