Some Fun with Deezer Data and Elastic Graph

A year ago the Elastic team released the Graph product, whose promise is to offer: a new way to discover, and explore, the relationships that live in your data. Here we will describe how Graph could be used on Deezer data to rebuild our “Similar Artists” feature. What do we…

A better way to search for music through query suggestion

At Deezer, we are fully aware that the number one reason why users subscribe to our service is to access the depth of our catalogue of 50 million tracks. And for that the Search is key. Some history To provide a best in class user experience, the Search team at Deezer had…

A distributed computation system for deep learning experiments with Docker Compose and RabbitMQ.

Towards an Accessible Player

The “Able Player”, a fully accessible music player that we used as an example of best-practices. You can find out more about it here Earlier this year, Deezer hosted one of its regular Hackathons, giving developers from different teams the chance to collaborate on ad-hoc projects or fun ideas they…

Deezer ConTEST, where Product and QA meet

As the event will take place in Paris, this post is available both in French and in English (scroll down for the English version). Nous organisons Deezer ConTEST, premier événement qui associera une quarantaine de participants dans le cadre d’une journée de challenges, de brainstorming et de chasse aux…

Engines revving for my first hackathon!

Since the previous…

Let’s meet at Android Makers 2017

Next week, Deezer will be partner of Android Makers 2017. Several of our Android engineers will join the event to enjoy the technical sessions, workshops, and debates, learn from others and discuss about our mobile technical challenges and opportunities.

Detecting explicit content in songs

We’ve done some research about how to automatically detect explicit content in songs using only the music itself, and no additional metadata. Since it’s a sensitive and subjective issue, we did not want to use a black-box model, but rather build a modular system whose decisions can be traced back…

Women’s Voices — A Product Story

Part. 1: Women’s Voices — A Product Story Part. 2: Women’s Voices — A Brand Story Part. 3: Women’s Voices — A Data Story Part. 4: Women’s Voices — A…

From a few insights to a key feature

Product conception is based on a multitude of factors: data analytics, market research, benchmark, feedback from users/stores/customer support, user testing, intuition…And it always requires a few steps (and sometimes more than expected) to go from the initial concept or hypothesis to the final product pushed to all users. During my…

Lyrics in French Hip-hop: curious? IAM, and you should be too.

Introduction In 2018, hip-hop was the most consumed genre in the United States. Since then, many analyses have dived deep in understanding the lyrics of those artists. However, as the pioneer of music streaming in France, we wanted to know more about how our local stars created their art. With the…

Throwback to Deezer ConTEST: the first hackathon for Product and QA

Deezer has a long tradition of hosting and organizing tech events such as internal or external hackathons, meetups, and more. Our motivation is to offer our people learning experiences by connecting them to external communities. Deezer ConTest was about encouraging our QA and…

Real-time Music Visualization on the iPhone GPU

FOSDEM 2018

What is FOSDEM? FOSDEM (Free and Open-source Software Developer’s European Meeting) is one of the largest European open-source and non-commercial conference, taking place annually at the Université Libre de Bruxelles. This year it offered more than 650 lectures presented by 600 speakers on 50 different themes. It’s a real place to share and…

Musicathon — Let’s Rock IT Innovation

Web and Surf Summit afterglow: a Product Manager’s review

From 2 weeks to 15 minutes — How we optimized playlist generation

Women’s Voices — A Product Marketing Story

Part. 1: Women’s Voices — A Product Story Part. 2: Women’s Voices — A Brand Story Part. 3: Women’s Voices — A Data Story Part. 4: Women’s Voices — A…

Deezer @ Kaggle Days Paris — 5 Takeaways from the Presentations and the Competition

I was lucky enough to attend the second edition of Kaggle Days, which took place in Paris in January. 200 Data Scientists from all over the world gathered over two days for exciting Data Science-oriented conferences, workshops, brainstorming sessions… and an offline Kaggle competition! If you haven’t heard of Kaggle…

Focus and Contrast

The Deezer logo as seen by someone with Protonapia (Red-Green Color-blindness). This image was created using the Chrome extension ChromeLens, which allows you to view a website as seen by someone with a variety of visual conditions, from color-blindness to those with partial sight. In the last article, we looked…

What’s Right with Errors

You’re enjoying your app when suddenly an error message pops up, reading “Error: Something went wrong” Or you’re developing a new feature and attempting to interact with this outdated API that just returns NO when you call [Obscure.sharedManager doYourMagic] … And you’re frustrated!

Women’s Voices — A Data Story

Part. 1: Women’s Voices — A Product Story Part. 2: Women’s Voices — A Brand Story Part. 3: Women’s Voices — A Data Story Part. 4: Women’s Voices — A…

My first job as a Web Engineer, from doubt to fulfillment

This is what you’ll typically find in the ‘requirements’ section of a tech job vacancy: “Has strong knowledge in several languages, is “full-stack”, is able to create strong architecture, scalable and flexible, has experience in understanding large and complex code bases, must be proactive and organized, has a great team…

Private libraries in Android — why you should consider it.

Part 1: Private libraries in Android — why you should consider it Part 2: Private libraries in Android — how to manage them Libraries are one of the foundations of Android development. Think about all dependencies in your Android projects…

Updating Kubernetes CA certificates the hard way

So buckle up; it might be a bumpy ride! The hard way yes, but automated! At Deezer, Kubernetes has…