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Notes on product, applied AI, architecture and engineering leadership.

5 mistakes when integrating AI in digital products (and why the chatbot is not the solution)
AI

5 mistakes when integrating AI in digital products (and why the chatbot is not the solution)

Lately I open a new app, see they have "added AI" and I already know what I'm going to find: a little bubble in the bottom right corner that opens a chat.

Jul 29, 2026 · 4 min
How to Code with AI Using Spec-Driven Development
AI

How to Code with AI Using Spec-Driven Development

Why Claude Code's output depends less on the model and more on what you write before asking for anything. With two real specs from Venturest.

Jul 14, 2026 · 5 min
When Management Feels the Team Is Slow
Leadership

When Management Feels the Team Is Slow

Nine pregnant women do not make a baby in a month. Development is a system of scarce capacity, and the real leverage lies in what we let in, not in pushing harder on what is already inside.

Jul 6, 2026 · 5 min
How to Get More Out of Google Antigravity (Without the Agent Working Against You)
AI

How to Get More Out of Google Antigravity (Without the Agent Working Against You)

Real coding use cases, how rules actually work, and what to do with skills and workflows.

Jun 30, 2026 · 6 min
What I See When Companies Try to "Adopt AI"
AI

What I See When Companies Try to "Adopt AI"

And why many are asking the wrong question.

Jun 17, 2026 · 4 min
Modernizing Legacy Systems Without Stopping the Business
Strategy

Modernizing Legacy Systems Without Stopping the Business

Why 'let's rewrite everything' is almost always the wrong answer — and what to do instead.

Jun 15, 2026 · 5 min
Jitsu vs Twilio Segment: How to Reduce the Cost of Your Product Event Pipeline by up to 90%
Data

Jitsu vs Twilio Segment: How to Reduce the Cost of Your Product Event Pipeline by up to 90%

A real cost comparison between Twilio Segment and Jitsu, with the numbers that led us to migrate at Venturest and a calculator to estimate your own savings.

Jun 12, 2026 · 6 min
15 Years of Learnings: The Mistakes That Taught Me to Be a Better CTO
Leadership

15 Years of Learnings: The Mistakes That Taught Me to Be a Better CTO

After more than 15 years in the tech industry, leading teams in startups and scaleups, I share the technical, human, and personal mistakes that taught me the most.

May 28, 2026 · 6 min
Adopt Artificial Intelligence in your company, it cannot be a task for interns.
AI

Adopt Artificial Intelligence in your company, it cannot be a task for interns.

Si eres buen manager y estás delegando la adopción de IA en tus becarios, lo vas a cagar.

May 20, 2026 · 2 min
AI as a growth lever, not a buzzword
AI

AI as a growth lever, not a buzzword

How to move from hype to AI use cases that actually move business metrics.

May 18, 2026 · 6 min
Vibe coding is great. Until Go-to-market.
Leadership

Vibe coding is great. Until Go-to-market.

La semana pasada un amigo me enseñó su nuevo producto. El login estaba hardcodeado en el front. Usuario y contraseña visibles para cualquier...

May 11, 2026 · 2 min
Tu startup tiene usuarios.
Strategy

Tu startup tiene usuarios.

Tu startup tiene usuarios. Tiene ingresos. Y no sabe por qué crece ni por qué para de crecer.

May 5, 2026 · 3 min
Trying to innovate with your current team is not a plan. It is a wish.
Leadership

Trying to innovate with your current team is not a plan. It is a wish.

Trying to innovate with your current team is not a plan. It is a wish.

Apr 30, 2026 · 2 min
Modernising legacy without stopping the business
Engineering

Modernising legacy without stopping the business

Rewriting from scratch is almost never the answer. Evolutionary modernisation is.

Apr 9, 2026 · 7 min
The metrics that actually matter in Product-Led Growth
Growth

The metrics that actually matter in Product-Led Growth

Fewer vanity metrics, more signals that predict retention and revenue.

Mar 2, 2026 · 5 min