Karell Ste-Marie

last call for this cohort

Jul 11, 2026

this cohort is capped at 10

Jul 9, 2026

what I've been building

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Jul 8, 2026

still open tonight

Jul 7, 2026

it's live

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Jul 7, 2026

today's the day

Jul 7, 2026

one more day

Jul 6, 2026

the guy on a PIP

Jul 5, 2026

the year I wasn't there

Jul 4, 2026

i built something

Jul 3, 2026

your turn

Jul 2, 2026

No one's coming

Jul 1, 2026

The thing you're proud of is the trap

Jun 30, 2026

DAY -3 • The invisibility tax

Jun 29, 2026

This week: stop being useful in the wrong way

Two Serious CTO videos on the implementer trap, impact, and solving the right problems.

Jun 26, 2026

The Motivation Scam That Makes Dev Teams Worse

Jun 12, 2026

The NoSQL Lie That Keeps Developers Overbuilding — You Don't Need NoSQL

Jun 5, 2026

Tactical Incompetence: How to Avoid Low Value Tasks Without Getting Fired Today

May 29, 2026

Why Senior Devs Keep Shipping Slow

May 9, 2026

I need your help with something

Apr 28, 2026

The Cost of 100% Availability: How Over-Engineering Is Killing Your Startup’s Velocity

Apr 11, 2026

The Serious CTO: You’re Not a Developer. You’re a Factory Worker.

Apr 3, 2026

The Serious CTO: I Used Algorithm Interviews for Years. They Don't Work.

Mar 27, 2026

The Serious CTO 2026-03-20

Mar 20, 2026

The Serious CTO 2026-03-13

Mar 13, 2026