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Derek Comartin

Fintech Mindset to Software Design

If you’re creating a line of business or enterprise-type software, I think one of the most valuable skills you can have isn’t technical. Rather it’s understanding how the business domain you are in works. One way is following how money flows through a system by having a fintech mindset. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Revenue & Cost I was on the Azure Devops Podcast, where I mentioned that a big influence on my career was working with an Accountant. No surprise, this has… Read More »Fintech Mindset to Software Design

Event Carried State Transfer: Keep a local cache!

What’s Event Carried State Transfer, and what problem does it solve? Do you have a service that requires data from another service? You’re trying to avoid making a blocking synchronous call between services because this introduces temporal coupling and availability concerns? One solution is Event Carried State Transfer. YouTube Check out my YouTube channel, where I post all kinds of content accompanying my posts, including this video showing everything in this post. Temporal Coupling If you have a service that needs to get data from another service, you might just think to make an RPC call. There can be many reasons for… Read More »Event Carried State Transfer: Keep a local cache!

SOLID? Nope, just Coupling and Cohesion

How do we avoid writing spaghetti code so our systems don’t turn into a hot mess? For me Coupling and Cohesion. Some people focus on things like SOLID principles and Clean Architecture. While I don’t necessarily have a problem with that if you’re pragmatic, I don’t ever really think about either of those explicitly. YouTube Check out my YouTube channel where I post all kinds of content that accompanies my posts including this video showing everything in this post. Coupling and Cohesion With over 20 years of professional software development experience, I’m mostly thinking about coupling and cohesion as a guide to… Read More »SOLID? Nope, just Coupling and Cohesion