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Async systems scale your system… and your problems.
Many developers only realize it after consistency breaks.
Mar 28
•
Raul Junco
44
1
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Refactoring Databases Is a Different Animal
A practical pattern for evolving database schemas without breaking production
Mar 14
•
Raul Junco
43
6
CAP questions almost never appear labeled as “CAP theorem.”
They show up disguised as simple data questions.
Mar 7
•
Raul Junco
95
6
12
A Single Subscriber Doesn’t Turn Pub/Sub Into a Queue
Why execution semantics -not tooling- define async patterns.
Feb 28
•
Raul Junco
47
2
1
80% Of The Times, Scaling Is Not a Rewrite Problem
How a single interview question reveals who understands load, risk, and trade-offs
Jan 10
•
Raul Junco
55
2
3
Happy Teams Build Better Products
6 lessons every engineer eventually learns the hard way.
Dec 12, 2025
•
Raul Junco
29
3
1
Performance Doesn’t Start at SELECT; It Starts at CREATE.
Stop blaming your queries. Most database slowness comes from design mistakes made on day one.
Oct 28, 2025
•
Raul Junco
121
13
8
CDC Isn’t the Shortcut You Think It Is
7 hidden costs of “free” event publishing
Oct 7, 2025
•
Raul Junco
55
5
1
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