In Python we Believe
Mergify is mostly written in Python, leverages Redis and PostgreSQL. We use GitHub as a development platform, we build our images using Docker and runs on GCP. Our dashboard is written in React and TypeScript. Of course, we merge our code using Mergify.
We automate everything and we deploy more than 20 times per day.
Open-source is in our DNA
We contribute regularly to the open-source ecosystem. Our founders have 20 years of experience in open-source: Julien, our CEO, published books on the Python language and contributed to plenty of open source projects — including CPython. Mehdi, our CTO, contributed to dozens of free software along its career, such as Ceph or OpenStack.
We like to share
Our engineers regularly publish technical articles on our blog.
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The Mergify Blog
Faster & safer code merge 🦾
blog.mergify.com
Project Management
You can read those 2 blog posts about how we manage project internally:
Aligning Project Management with Team Culture at Mergify
In the ever-evolving world of software development, one size rarely fits all—especially regarding project management. At Mergify, we've spent the past year transforming how we work, creating a system that aligns deeply with our values and team culture. It wasn't just about finding the right tools or workflows but
blog.mergify.com
The Mechanics of Mergify’s Project-Driven Workflow
In our previous post, we shared how Mergify transitioned from traditional Agile practices to a lightweight, culture-driven workflow that aligned with our values. While this approach served us well in the early days, we eventually realized that to scale effectively and maintain a sense of accomplishment, we needed to introduce
blog.mergify.com
Testing is not an Option
We are strict on our testing policy: all our code is covered by unit and functional tests. We don’t take this lightly — we postpone anything that does not have any automated test.
We don’t have a staging environment; engineers write test that proves their code works so we know it will work forever once it’s commited through our CI system.
Obervability Everywhere
We think there is nobody better than software engineers to understand production issues. That’s why they are responsible for the code they write and deploy.
We take monitoring seriously, and we leverage Datadog and Sentry to monitor our infrastructure, from the container to the user-experience.
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No Tech Debt
With founder that combine more than 50 years of experience in open source software engineering, there is a few things the team learned.
We have a long term vision of the software we build. We tackle technical debt as it arises, even if it means longer delay to ship a shiny new feature. We know this is the only way to sustain a project durably.
That’s why we don’t have huge technical debt: we fix our debt as we develop and use the latest releases of everything we can.
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