Senior Data Scientist (Recommendation Systems Expert) (f/m/d)

8 Months ago • 4 Years +

About the job

As a Data Scientist you will be responsible to assist our WAVE product team by gathering, interpreting and deriving smart conclusions based on data. You will have access to state of the art technology to implement new approaches on how to leverage our data assets with new ideas. adjoe is a leading mobile ad platform developing cutting-edge advertising and monetization solutions that take its app partners’ business to the next level. Part of the applike group ecosystem, adjoe is home to an advanced tech stack, powerful financial backing from Bertelsmann, and a highly motivated workforce to be reckoned with. 

Meet Your Team: BI and Data Science

There’s no tech company out there without data. All of our products and their development are based on data, which is why the BI & Data Science team is at the heart of every company process – including product development and decision-making processes. As a part of the BI and Data Science team, you will be working closely with our WAVE product team. Did you know that in-app ads are sold in a real-time auction before they get rendered in thousands of mobile apps? It’s exactly for this that adjoe has built WAVE. Behind the scenes, we have an impressive prediction model working to figure out if an ad will lead to installing an app or not. The algorithm requires operating data from different data sources and performs calculations in real time. You’ll conduct research and investigations for the algorithm improvements and generate ideas for new features that could be included into the model. You will have access to state-of-the-art technology and work closely with the product and business teams to shape the future of adjoe’s core business and technologies.

What You Will Do

    • You dive into state-of-the-art algorithms and deep learning models to create recommendation systems, predict user behavior, and/or optimise in-app retention.
    • You conduct research and hypothesis testing to come up with ideas that can improve our bidder algorithm.
    • You drill into data from various sources and write queries to generate insights.
    • You create, analyse and communicate reports and statistics to our business teams and partners.
    • You transform recurring analyses into KPIs and Dashboard Views we can easily monitor.
    • You act as an advocate for data-related topics in the company and become the go to person for stakeholders in your area of expertise.

Who you are

    • You have at least +4 years of professional experience in the Data Science field working in adtech, e-commerce, social media or a similar industry.
    • You have shown a great level of understanding of deep neural networks (libraries such as Tensorflow and PyTorch) and have experiences developing deep neural networks for recommendation systems.
    • Experiences in deep cross networks and multi-task deep learning is a plus.
    • You’re interested in big data and have outstanding experience in SQL.
    • You are able to dive deep into math and explain complex topics in an easy way.
    • You are a strong team player and enjoy helping others.
    • You are passionate about working with stakeholders and communicating insights in an effective manner.
Skip writing cover letters. Tell us about your most passionate personal project, your desired salary and your earliest possible start date. We are looking forward to your application!

We welcome applications from people who will contribute to the diversity of our company.
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About The Company

applike group is the leading company building in the app economy. Based in Hamburg/Germany, our technologies & businesses cover the full value chain of the mobile apps market.


Our companies work independently but benefit from each others’ technologies and knowledge.


We have set up 5 companies (JustDice, adjoe, Sunday, justtrack, Tabbler) under one roof of applike group.


justDice is responsible for building the world’s largest rewarded mobile gaming experiences. As market-leader in this genre, our goal is to ultimately create the best rewarded games.


adjoe’s ad format generates higher ad revenues than any other solution. adjoe’s UA platform provides quality traffic on scale, leveraging our growing SDK network.


Sunday creates and publishes extremely engaging and addictive mobile games with smart and player-friendly monetisation.


justtrack is our unique answer to optimizing and automating your entire mobile app growth strategy – all on one platform.


Tabbler builds highly engaging mobile games (iOS and Android) for leading consumer brands. End-to-end, from the development to the game’s production to the actual distribution to millions of users in a given region.


These 5 companies receive best in class business support from applike's central service teams: Talent Acquisition, HR, Finance, Office Management and Internal IT.


We are 100 percent tech company where everybody is interested in computer science. We are always giving our best to keep in touch with the newest technology to build the most relevant products. Our mission is to build software with the capability to distribute ads to every mobile device on earth.


We're always looking for new colleagues. Come join us if you're ambitious, smart, kind and want to grow professionally while having a lot of fun. :)

Hamburg, Hamburg, Germany (Hybrid)

Hamburg, Hamburg, Germany (Hybrid)

Hamburg, Hamburg, Germany (Hybrid)

Hamburg, Hamburg, Germany (Hybrid)

Hamburg, Hamburg, Germany (Hybrid)

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