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

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

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.

book and video resources

When you start your liveProject, you get full access to the following books and videos for 90 days.

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

you will learn

In this liveProject, you’ll learn to design and develop a cloud-based Software-as-a-Service program using the latest serverless tools. The skills you’ll develop can be easily transferred to other messaging projects, such as order notifications, user verifications, and security protocols.

Node.JS libraries for parsing recipient list CSV files, accessing and managing AWS resources, and sending outbound messages
Building APIs with Amazon API gateway
Business logic with AWS Lambda
Storing message templates and message delivery logs with AWS DynamoDB
Processing messages with Amazon SQS

features

Self-paced: You choose the schedule and decide how much time to invest as you build your project.
Project roadmap: Each project is divided into several achievable steps.
Get Help: While within the liveProject platform, get help from other participants and our expert mentors.
Compare with others: For each step, compare your deliverable to the solutions by the author and other participants.
book resources: Get full access to select books for 90 days. Permanent access to excerpts from Manning products are also included, as well as references to other resources.

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