Home Blog Series About

Loading home…

Makingcode

Practical notes on architecture, trade-offs, and code you can run in production.

Explore

Blog
About
RSS feed

Portfolio
GitHub
LinkedIn
Medium
CV

Technical blog by Andrés Esquivel

© 2026 · Built with Next.js

AI & Applied ML | Making Code

Explore

Search articles…

Categories

Backend
Cloud & AWS
Architecture
Algorithms
Security & Crypto
AI & Applied ML
DevOps & Platform

Recent

Domain Events: The Contract That Decouples Without Breaking the DomainJun 25, 2026
Internal Ledger: One Transfer, Two Entries, Zero Negative BalancesJun 24, 2026
Modeling Money in Code: Cents, bigint, and Why float Doesn't Belong in a Banking CoreJun 23, 2026

Search articles…

Backend Cloud & AWS Architecture Algorithms Security & Crypto AI & Applied ML DevOps & Platform

AI & Applied ML

Applied ML and generative AI on AWS — RAG, Bedrock, agents, and cost-aware patterns for real products.

0 articles

New articles are on the way — including a NestJS Enterprise series. Meanwhile, explore my portfolio or learn more about me.

View portfolio ↗About me →

Series

All series
Fintech Core Platform6 articles
NestJS Enterprise4 articles