Beyond CRUD: Why Fintech Needs More Than Just Updating Data

Beyond CRUD: Why Fintech Needs More Than Just Updating Data

Bernard O. Ansah Mar 1, 2026 5 min
Most of us start our engineering careers with CRUD.Create. Read. Update. Delete.It works beautifully.If you're building a blog, a SaaS dashboard, or s...
#Fintech#EventSourcing#CQRS
“Let It Crash” — And Why That’s Not Reckless

“Let It Crash” — And Why That’s Not Reckless

Bernard O. Ansah Feb 26, 2026 7 min
When I first heard the phrase:“Let it crash.”I honestly thought Elixir developers were being reckless.Coming from Ruby on Rails, crashing in productio...
#OTP#GenServer#Supervisors
GenServer: How I Finally Learned to Keep State in a Stateless Language

GenServer: How I Finally Learned to Keep State in a Stateless Language

Bernard O. Ansah Feb 23, 2026 7 min
In my last post, I wrote about getting over my fear of concurrency by understanding Elixir’s lightweight processes. I was enthusiastically using spawn...
#Elixir#GenServer#OTP
Stop Fearing the

Stop Fearing the "Process": How Elixir Cured My Concurrency Anxiety

Bernard O. Ansah Feb 14, 2026 6 min
Coming from a Ruby on Rails background, the word “Thread” used to scare me.Not in a dramatic way. In a production-incident-at-2am kind of way.In the R...
#Elixir#Concurrency#Ruby on Rails

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#CQRS #Concurrency #Elixir #EventSourcing #Fault Tolerance #Fintech #GenServer #Learning Journey #OTP #Ruby on Rails #SoftwareArchitecture #State Management #Supervisors