AWS certified security specialist, software engineer working with web technologies

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Promises and Async/Await in JavaScript

S3 and CloudFront Signed URLs - How to handle files in an AWS serverless environment

Building GraphQL APIs with AWS AppSync

100 Javascript & Web Development Tips: Bite-sized Solutions to Common Problems

A Practical Guide to AWS IAM - How to Write Policies, Control Access, and Secure an AWS Account

Javascript on AWS Lambda - How to use Node.js in a serverless architecture