jd:/dev/blog

I spend a lot of time talking to engineers.

In the first part of this series, we introduced CI Optimizer, a product we were convinced would help engineering teams reduce their CI/CD costs.

What about some technical stuff this week?

A Journey into Startup Reality Not every startup success story begins with a garage, two co-founders, and an overnight explosion of users.

Pricing is one of the hardest things to get right in SaaS.

In January 2023, everything was smooth sailing for Mergify.

Running a fully remote company is an incredible experience, and I say this as someone who’s been working remotely for the past 15 years and managing a remote-first company, Mergify, for the last five.

As 2025 begins, I’m taking a moment to reflect on an eventful 2024—a year of evolution, challenges, and new beginnings for me and Mergify.

It’s the end of the year, so I’ll write about something more theoretical that has been on my mind those last few days.

When Mehdi and I co-founded Mergify, we didn’t just set out to create a great product—we wanted to build a company that reflected our values.

Despite the rising popularity of work-based pricing in SaaS, Mergify is sticking with seat-based pricing—for now.

In the early days of Mergify, the journey Mehdi and I embarked on wasn’t unique.

Do you guys support GitLab?

I loved Dependabot.

Imagine you’re joining a startup, excited by the potential to share in its future success.

A couple of weeks ago, I attended our quarterly MAHOS (Mergify All Hands On-Site)—an event where we gather the whole Mergify team together for a week—and gave a small speech about product engineers.

As I was publishing last week's post on whether GitHub is becoming obsolete or the future of development platforms, they decided to trigger a two-hour interruption on Mergify in retaliation.

Over the last few months, I stumbled upon a few articles on GitHub's history and future.

Starting a company is always a challenge.

I did not write for the last few weeks as I enjoyed taking a break.

Today I'm excited to announce the launch of Byte Brigade, a community dedicated to investing in early-stage developer tools and SaaS companies.

Selling to developers is challenging, and the mindset of “build or buy” is one of the biggest hurdles.

In any conversation, a lot of context can be lost between what you think, what you say, what the listener hears, and what they ultimately understand.

"Nom d'un Pipeline !"

Merge queues are a tough concept to grasp, and over the last five years at Mergify, we've spent countless hours educating developers about their importance and utility.

As long as I can remember, SQL has been a cornerstone of my engineering journey.

Recently, I found myself in a spirited debate with one of our front-end developers at Mergify.

This is part 2 of the "Biggest Mistakes" series.

When I moved to Toulouse three years ago, I knew almost no one.

Ten years ago, I embarked on a journey that profoundly shaped my career and personal growth.

In 2018, we embarked on an exciting journey with Mergify, our brainchild aimed at simplifying GitHub pull request workflows.

Last week, I wrote about my experience attending conferences.

There’s a lot to say about tech conferences, shows, and exhibits in any form.

I did.

I started to write C 25 years ago now, with many different tools over the year.

Fifteen years have passed since I started my career in IT — which is quite some time.

Earlier this year, I was supposed to participate to dotPy, a one-day Python conference happening in Paris.

If you never heard of the 10x engineer myth, it's a pretty great concept.

It has been close to a year now that I've incorporated my new company, Mergify.

This weekend, I've been lucky to attend again the FOSDEM conference, one of the largest open-source conference out there.

At Mergify, we generate a pretty large amount of logs.

At Datadog, we're really into metrics.

There's not a single month where I don't have to explain this.

My job at Datadog keeps me busy with new and questioning challenges.

What do you need to send an email with Python?

Nowadays, it is more than likely that you will have to write an HTTP client for your application that will have to talk to another HTTP server.

Dependencies are a nightmare for many people.

If you remember well, a couple of years ago, I wrote about Mastering PostgreSQL, a fantastic book written by my friend Dimitri Fontaine.

RFC7578 (who obsoletes RFC2388) defines the multipart/form-data type that is usually transported over HTTP when users submit forms on your Web page.

A few weeks ago, I introduced you to functional programming in Python.