Obie Fernandez – Medium

Obie Fernandez

Building a Personal CTO Operating System with Claude Code

How I use AI as an executive assistant to manage 10 engineers, ship code, and operate at the C-level simultaneously.

4d ago

Building a Personal CTO Operating System with Claude Code

4d ago

Published in

We’re Building Something Different. Want In?

The first post from ZAR’s engineering team

Jan 15

We’re Building Something Different. Want In?

Jan 15

What Used to Take Months Now Takes Days

Building production software with Claude Code while doing my day job

Jan 4

What Used to Take Months Now Takes Days

Jan 4

My Full Supplement Stack for 2026

Better living through chemistry

Jan 1

My Full Supplement Stack for 2026

Jan 1

Sísifo versus el Director de Orquesta

Por qué la IA se siente como trampa para algunas personas

Dec 24, 2025

Sísifo versus el Director de Orquesta

Dec 24, 2025

Sisyphus versus the Conductor

This essay is an attempt to explain why intelligent, well-meaning people can look at the same AI tools and feel either excitement or…

Dec 24, 2025

Sisyphus versus the Conductor

Dec 24, 2025

Introducing Servus

Rock solid service objects for your Ruby on Rails applications

Dec 19, 2025

Introducing Servus

Dec 19, 2025

Announcing Raix 2.0

Unified LLM Backend and Powerful Request Hooks

Dec 17, 2025

Announcing Raix 2.0

Dec 17, 2025

What happens when the coding becomes the least interesting part of the work

Something that’s been true for me for a long time, long before coding agents showed up, is that the initial effort involved in any…

Dec 12, 2025

What happens when the coding becomes the least interesting part of the work

Dec 12, 2025

Ruby Was Ready From The Start

Notes and expanded thoughts on eXtreme Programming, AI agents, and the soul of Ruby from my SF Ruby Conference Keynote 2025 talk

Nov 22, 2025

Ruby Was Ready From The Start

Nov 22, 2025

Obie Fernandez

Obie Fernandez

Author, and Software Engineer. Partner at Magma Labs. Electronic Music Producer/DJ. Dad. ❤️‍🔥 Mexico City ❤️‍🔥 he/him

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