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…

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.

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…

Are you chilling right now? Contextualizing music recommendations

As you may know, Sonar Festival is one of the biggest electronic music festivals in Europe and takes place every June in Barcelona. Alongside the festival, Sonar organizes a technical challenge as part of the Sonar +D. For this event, Sonar has partnered with…

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…

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…

Deezer Research @RecSys 2017 — 11th ACM Recommender Systems Conference

A key aspect of Deezer product is providing our users with a personalized listening experience. To pick the perfect tracks for the right moment, a wide variety of signal processing and machine learning algorithms are involved in Deezer’s…

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…

Deezer Data @ DataWorks Summit Berlin 2018

Shows and conferences about the fast-evolving data technologies follow one after the other and yet each one is so unique! No year passes by without any new challenge to be discussed within the active and passionate data community that Deezer is proud to be part of…

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…

Matching Albums through Cover Art Fingerprinting

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…

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

Deezer Introduces Search by Lyric

What The Bug? Our method to detect outliers

Who are we? We are the Data-Analytics team. Insights, numbers, dashboards… we provide data to our company. The goal? Help business and product teams in designing music and digital experiences that will be the best they can be for our users. Why do we need to detect outliers? As a tech data team, we rely on different KPIs. We check…

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…

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…

Computing Royalties at Deezer

Deezer, as a streaming service, needs to pay royalties to music providers (record companies that make their music available on Deezer) as well as publishers and copyright collective management organisations so that the music you listen to gets payed at the right price according to the number of times it…

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…

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…

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…

Improving your ingestion performance using the multidisciplinary approach

When it comes to solving a problem, developers often tend to use the technologies they’re comfortable with — the technologies they work with on a daily basis. Most of the time this is fine — we work within a specific scope in which this technology makes sense and has already…

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…

A journey towards Atomic Design on Android

This expansion…