Default language is English; your choice is saved in this browser.
Andrés Esquivel

Andrés Esquivel

Senior Backend Engineer
Why I'm Rebuilding a Fintech Core — From Zero, Slowly

· 8 min

Why I'm Rebuilding a Fintech Core — From Zero, Slowly

A public series on rebuilding a fintech reference backend from scratch — NestJS, hexagonal boundaries, PostgreSQL, Redpanda, outbox/idempotency, and honest trade-offs after sprinting the Arkano banking challenge.

NestJSFintechArchitectureEvent-DrivenHexagonal
Read full article Back to publications

Full article hosted on Making Code — this page is a summary for discovery on andresed.dev.

Related topics

Explore curated hubs that connect this work with case studies, articles, and learning repos.

Author:

Need a senior backend engineer?

Available for backend architecture, microservices, and AWS delivery — from design reviews to production rollouts.

Get in touch