Senior Data Scientist

3 Months ago • 5 Years +

Job Summary

Job Description

As a Senior Data Scientist at adjoe, you will be responsible for building and maintaining models to provide automated solutions for advertisers. Your responsibilities include developing new and existing models for classifications and recommendations, diving into state-of-the-art algorithms and deep learning models, analyzing data from various sources, and becoming a go-to person for data-related topics. You will be working with a team that develops algorithms to provide the most relevant ads for users, predict user interests and inclinations, and dynamically adjust pricing based on these predictions. The user base is very diverse and the team is using deep learning models.
Must have:
  • 5+ years of Data Science experience.
  • Strong knowledge of programming languages like Python.
  • Experience with large datasets and various data sources.
  • Experience developing deep learning models.
  • Ability to explain complex topics simply.
  • Strong team player and enjoy helping others.
Good to have:
  • Tech & Infrastructure knowledge: Airflow, hosting models, deploying models, etc.
  • Experience in the AdTech industry.
Perks:
  • Regular feedback and development program.
  • Visa support and relocation bonus.
  • Hybrid work setup with flexible hours.
  • 30 vacation days and 3 weeks of remote work per year.
  • Free access to an in-house gym and mental health support.
  • Central office with snacks and drinks.
  • Team and company events.

Job Details

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: Playtime

Playtime is a time- and event-based ad unit that continuously rewards users with in-app currency – for the time they spend and events completed while playing mobile games. We connect advertisers to 200+ million Playtime users and serve 2bn requests per day at low latency. We ensure that all parties involved have a positive experience. Advertisers get more users for their apps. Monetizers earn revenue for users on their platforms. Users play fun games while simultaneously getting rewarded. Our data science team powers the engine that distributes our ads. They solve multiple tasks such as developing algorithms to provide the most relevant ads for users, predicting user interests and inclinations, and dynamically adjusting pricing based on these predictions. Because the user base is very diverse we are using deep learning models that we could show to be able to serve the best ads to users.


Within the Playtime team you will be responsible for services and models that we use to provide automated solutions for our advertisers.


What you will do:
  • Build, maintain & develop new and existing models (classifications, recommendations, etc.).
  • Dive into state-of-the-art algorithms and deep learning models to create recommendation systems, predict user behavior, optimize user retention, advertiser’s ROAS (return on advertising spend) and other dynamic values.
  • Drill into data from various sources to generate insights and discuss them with your colleagues.
  • Act as an advocate for data-related topics in the company and become the go to person in your area of expertise.


Who you are:
  • You have 5+ years of professional experience in the Data Science field.
  • You have a strong knowledge of Python, R, Scala, Julia or similar typical programming languages for Data Science.
  • You have experience drilling into large amounts of data coming from various sources – including AWS Athena, Kafka, Spark, Flink, S3, MySQL.
  • You have experience developing deep learning models and have applied them already in a production environment with large amount of traffic (>1 million predictions per day)
  • You are able to dive deep into mathematical foundations and explain complex topics in a simple way.
  • You are a strong team player and enjoy helping others.
  • Plus: Tech & Infrastructure knowledge: Airflow, hosting models, deploying models, etc. Plus: Experience in the AdTech industry.


Fuel for the Journey: Benefits to Support Your Ambitions
  • Invest in Your Future: Regular feedback and our development program support your growth, helping you expand your skill set and achieve your career goals.
  • Easy Arrival to adjoe: From signing to settling in Hamburg, we’ve got you covered. Need a visa? No problem. Ready to build your new life and career at (company name) in Hamburg? We support every ambition—from learning German to a relocation bonus that helps you settle in and make Hamburg feel like home.
  • Live Your Best Life, at Work and Beyond: We work in a hybrid setup with 3 core office days, plus flexible working hours. Enjoy 30 vacation days, 3 weeks of remote work per year, and free access to an in-house gym with lots of different fitness classes and mental health support through our Employee Assistance Program (EAP).
  • Thrive Where You Work: Enjoy the Alster lake view from our central office with top-notch equipment, fun open spaces, and a large variety of snacks and drinks.
  • Join the Community! Participate in regular team and company events, including hackathons and social gatherings. We work together, and we celebrate together, too.


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