Articles.

The lock is solid. That counts for nothing when the key was left in the door and anyone can turn it.

I changed one number in the URL and saw another customer's orders

A client asked me for a second opinion on the app another shop had shipped. Twenty minutes in, changing one number in the address bar, I was reading another company's order on his platform. Login worked; authorization didn't. On the cheapest hole to prevent and the most expensive to find late.

Aug 10
5min read
Victhor AraújoVicthor Araújo
A screen full of passing test files never tells you, on its own, whether any of them actually checks a result.

High test coverage is where production bugs hide best

A founder sent me a 92% coverage badge the same night his checkout was down. Coverage counts lines that ran, not results anyone checked, and it is the easiest number for a vendor to inflate. What a senior squad reads before it trusts the green.

Aug 7
5min read
Raquel ReisRaquel Reis
A crowd with hands in the air at a concert: the demand spike your product meets the day it works.

It was fast in the demo. Then the data grew.

At launch the app flew; six months later every screen crawls. It is almost never a server problem, it is code that talks to the database the wrong way. What a senior squad checks before you throw money at bigger infrastructure.

Aug 5
6min read
Victhor AraújoVicthor Araújo
The pen sliding across the desk with the proposal: the date is the part of the document written to get your signature.

The estimate that wins the deal is the one that slips the most

Every software quote that promises an exact date is selling, not estimating. I have lost deals for quoting the honest number and watched the cheap one arrive later and half-built. Why the lowest timeline is usually the one that slips most, and what to check before you sign.

Aug 3
6min read
Victhor AraújoVicthor Araújo
A desk in the dark, lit only by a monitor with code open and a sticky note that reads "DO IT": the product keeps running while no one is watching.

Who Found the Outage First — You or Your Customer?

The vendor dashboard was green while checkout was down. The problem is not that systems fail, it is the order people find out: the customer before the vendor you pay to watch it. On why real monitoring measures symptoms, not CPU.

Jul 31
6min read
Raquel ReisRaquel Reis
A building being torn down. The urge to level everything and start clean is real, and almost always pricier than it looks.

Why I almost never approve a full rewrite of your product

A logistics founder called me set on throwing three years of product in the bin and starting over. I spent the whole call talking him out of it. A full rewrite is the decision that looks most like courage and most often turns out expensive, and there is almost always a duller path that ships better.

Jul 29
6min read
Victhor AraújoVicthor Araújo
A handshake closes the deal; the team shaking hands is not always the one that delivers.

The team they sold you isn't the team that ships your code

Every portfolio is an edit, and every pitch stars the seniors you will never see again. I keep watching founders sign an international vendor on a slide deck, then meet the real authors of their code in the git history ten months later. Here is how to check who ships before you sign.

Jul 27
6min read
Raquel ReisRaquel Reis
A monitoring terminal mid-audit, the kind of screen where a secret scan lights up.

Your last vendor is still logged into your production

Every time we take over a product that ran with another vendor, one finding repeats itself: production keys held by people who left months ago, secrets committed to the repo, a root account shared by five people. A field note on the access cleanup almost nobody does, and why skipping it gets expensive.

Jul 24
6min read
Victhor AraújoVicthor Araújo
A complete team, managed by the vendor: the model behind the buzzword

Squad as a service: what it is and when it makes sense

Squad as a service means a complete engineering team on a flat monthly fee: defined seniority, technical leadership, and delivery managed by the vendor. In this guide: what the model really is, what gets disguised under the name, what it costs in 2026, and how to decide if it fits your stage.

Jul 23
6min read
Raquel ReisRaquel Reis
The math behind a squad has less mystery than most proposals suggest

How much does a development squad cost in 2026?

From $12,000 to $22,000 a month, depending on team composition. That is the pricing Revin publishes on its site. Here I open up the math: what goes into a managed squad monthly fee, what the market charges in 2026, and the three questions that deflate a padded proposal.

Jul 23
5min read
Victhor AraújoVicthor Araújo
Frost taking over a branch: the freeze starts slow, and almost nobody notices.

The stack you never update sends its bill without warning

I keep reviewing products running on versions that died years ago, and the pattern holds: nobody decides to freeze the stack, it freezes on its own because maintenance never fits into any budget. The bill shows up all at once on a bad day, and the teams that tend to it weekly almost never let it show up.

Jul 17
6min read
Raquel ReisRaquel Reis
A codebase touched by seven freelancers in a row looks exactly like what it is: the same thing, written more than once.

I paid for the same feature three times. The money was the least of it

An edtech reached Revin with a three-year-old codebase and seven freelancers behind it. I went looking for one bug and found the same feature built three separate times. The duplication was not the disaster. What it was hiding was.

Jul 10
6min read
Victhor AraújoVicthor Araújo