Michael Walmsley (@walmsles)

Web Sockets Don't Pub-Sub

Web Sockets have become a fundamental technology in modern web development, but their true function is often misunderstood. The killer use-case for Web Sockets has been in the development and proliferation of chat apps where users jump into a channel...

11 min readblog.walmsles.io

Mar 2, 2025

Introducing ServerlessDNA.com - A New Site dedicated to Serverless!

One thing I have learned over the past year while writing blog articles on Serverless to help people learn is that it is not straightforward, and the skills you need are more than just writing software or deploying infrastructure. You need to underst...

2 min readblog.walmsles.io

Jan 29, 2023

How SAM CLI and AWS Lambda Powertools enable University Students to Start building solutions in less than 60 minutes

I am an Advanced Application Engineering Manager at Accenture in Australia and work hard advocating for Serverless Technology, accelerating teams new to building Serverless solutions on AWS. I design and build Serverless solutions using Event-Driven ...

7 min readblog.walmsles.io

Jan 14, 2023

Serverless Testing, Part 3: Simplify Testing with SOLID Architecture

Article on Testing Serverless architectures using SOLID and Hexagonal software architecture principles without needing to mock AWS SDK Calls at all!

18 min readblog.walmsles.io

Dec 30, 2022

Understanding Lambda Execution Models

Know the Services you are using; really know them. Understanding how they work and fail is essential for constructing a resilient serverless architecture. This is the number one piece of advice I share with new Serverless Engineers. Knowing the AWS ...

5 min readblog.walmsles.io

Apr 30, 2022

Michael Walmsley

About

Available for

Michael Walmsley's blogs

Web Sockets Don't Pub-Sub

Introducing ServerlessDNA.com - A New Site dedicated to Serverless!

How SAM CLI and AWS Lambda Powertools enable University Students to Start building solutions in less than 60 minutes

Serverless Testing, Part 3: Simplify Testing with SOLID Architecture

Understanding Lambda Execution Models

Michael Walmsley

About

Available for

Michael Walmsley's blogs

Web Sockets Don't Pub-Sub

Introducing ServerlessDNA.com - A New Site dedicated to Serverless!

How SAM CLI and AWS Lambda Powertools enable University Students to Start building solutions in less than 60 minutes

Serverless Testing, Part 3: Simplify Testing with SOLID Architecture

Understanding Lambda Execution Models

Michael Walmsley

About

Available for

Michael Walmsley's blogs

Web Sockets Don't Pub-Sub

Introducing ServerlessDNA.com - A New Site dedicated to Serverless!

How SAM CLI and AWS Lambda Powertools enable University Students to Start building solutions in less than 60 minutes

Serverless Testing, Part 3: Simplify Testing with SOLID Architecture

Understanding Lambda Execution Models

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Michael Walmsley

About

Available for

Michael Walmsley's blogs

Web Sockets Don't Pub-Sub

Introducing ServerlessDNA.com - A New Site dedicated to Serverless!

How SAM CLI and AWS Lambda Powertools enable University Students to Start building solutions in less than 60 minutes

Serverless Testing, Part 3: Simplify Testing with SOLID Architecture

Understanding Lambda Execution Models