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…

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

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…

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…

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…

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pops up, reading “Error: Something went wrong” Or you’re developing a new feature and attempting to interact with this outdated API that just returns NO when you call [Obscure.sharedManager doYourMagic] … And you’re frustrated!

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…

Akka as a bridge between REST and Kafka

Source: sciencing.com At Deezer, we love to play different chords, and to play with different technologies. Here we will present a solution to the problem of receiving millions of messages per day from a REST endpoint, processing them and pushing them back to Kafka. Inspired by The Reactive…

Using a “go links” service in your organization

When I joined Deezer three years ago, the onboarding process (called DeezCover) was undergoing a complete redesign, so mine was relatively brief. I struggled to find my way around the company’s organization and documentation as I stepped into my new job. Of course, there was an internal Wiki, but you…

Releasing Spleeter: Deezer R&D source separation engine

In a nutshell We are releasing Spleeter to help the research community in Music Information Retrieval (MIR) leverage the power of a state-of-the-art source separation algorithm. It comes in the form of a Python Library based on Tensorflow, with pretrained models for 2, 4 and 5 stems separation. Spleeter will be presented…

Introducing an improved Deezer experience on Xbox: access your favorite songs directly while…

A little context The Xbox Guide By pressing the Xbox button on your controller, you access the Xbox Guide. This is…

Deezer at ICASSP 2017

I went to ICASSP in New Orleans to present a (small) part of the research done at Deezer in the R&D team. It was the opportunity to exchange with the community and gather much valuable knowledge and ideas. Our work was about using Convolutional Neural Networks (CNNs) to solve a…

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

Content Import en PHP chez Deezer

Deezer is a partner of the PHP Tour 2017 and several of our developers…

‘Hey Siri, play my Flow on Deezer’ (part 1.): a product introduction

Voice interactive devices and services have significantly spread over the last four years. Consequently, voice assistants have become smarter and more sophisticated in their ability to handle new and complex demands. Moreover, voice assistance has also become an available feature in more and more devices. In 2018, Apple announced that…

Matching Albums through Cover Art Fingerprinting

Back from Kubecon & CloudnativeCon Europe 2021: key learnings and takeaways

At Deezer, we think that taking part in the community is of utmost importance. Contributing to open source projects is the best way to do so, but participating in community events should not be overlooked. And when you work on Kubernetes platforms like we…

Merging like it’s 2099

Anyone who has worked with a big team on a big project has experienced merge conflicts at least once. Presentation of AutoMergeTool at AndroidMakers 2017 If you have never seen a list of ‘CONFLICT’ lines when rebasing or merging…

From Paris to Bordeaux, an interview with Deezer’s CTO

On this (special) occasion, the…

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.

I went to a conference on tech leadership, and you should too

In the past few weeks, I got a lot of those. For some reason in our community (or at least, in the subset of it I am currently involved with), a tech conference should be about learning actual technical skills (this…

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…

1001 ways to code your projects, 1 way to meet your needs

Have you ever noticed that there are about 1001 ways to do something, especially in software development? As I tell every developer who joins my team, especially interns or junior devs, no one knows everything and every solution should be considered. I was recently confronted with 1001 ways of doing…

Musicathon — Let’s Rock IT Innovation

Lifting our 2,000 favorite tracks limit

Co-authored by Virgile Carron Adding tracks to favorites is one of Deezer’s most important features. It’s been here for ten years now. It’s the best way to save the content that you love and above all to help us suggest awesome music according to your tastes. It’s also the essence…