Day 87: Voice-Interactive AI with Amazon Polly & DynamoDB Caching

📰 Dev.to · Eric Rodríguez

Build a voice-interactive AI app using Amazon Polly and DynamoDB caching to enable instant expense queries

intermediate Published 21 May 2026

Action Steps

Set up an Amazon Polly account to enable text-to-speech functionality
Configure a DynamoDB database to cache user expense data
Integrate Amazon Polly with DynamoDB using AWS Lambda functions
Test the voice-interactive AI app using a speech recognition library
Optimize the app's performance using caching and query optimization techniques

Who Needs to Know This

Developers and data engineers can benefit from this tutorial to build a voice-interactive AI app, while product managers can use it to enhance user experience

Key Insight

💡 Amazon Polly and DynamoDB caching can be used to build a fast and responsive voice-interactive AI app