Game Changers Wanted

Join Sunday to shape the future of ad-monetized mobile gaming. Here you’ll work on what matters – bringing joy to people, expanding on your skills, creating the next big thing, and taking your career to daring new heights.


Intern for Data Science Team (f/m/d)

  • Hamburg
  • Sunday
  • Data Science
  • Intern
We are looking for a motivated Intern to join our data science team to support the team with various ad hoc tasks.

Sunday is a young and successful startup that develops, publishes, and markets hybrid-casual mobile games. Our international team of around 50 developers, artists, game designers, marketers, and publishing managers reaches an audience of millions of players every day. Our goal is to become one of the leading mobile game companies worldwide within the next few years.

We receive immense support to achieve this goal through the AppLike Group. Our sister companies justDice, justtrack, adjoe and Tabbler provide us with cutting-edge marketing and advertising technology. Our growth is secured by a substantial investment from Bertelsmann, one of the biggest media companies worldwide.

If you like to challenge yourself and want to work in a high-performance environment, send us your application!
What you will do:
  • You will be part of our data science team and will support the team with various ad hoc requests
  • You will work on enhancing different prediction models for bidding automation and ad frequency optimization
  • You will help with creating reliable data pipelines
  • You will handle and process data analysis requests from diverse business units 
  • Who you are:
  • You recently finished your studies in Data Science, Computer Science, Mathematics, or similar and are now looking to kick-start your career 
  • You gained first experience in Python and SQL and want to further enhance your skill set 
  • You have strong communication skills and know how to bring across important information
  • You like collaborating with a team and working in an international environment
  • You have a strong attention to detail to ensure the quality and accuracy of our data
  • You are interested in gaining experience in the tech stack the team is using: Airflow, Athena, PostgreSQL, Redis, Streamlit, Git, Datalore, Docker 
  • Why you will love working here:
  • Work-Life Package: 2 remote days per week, 30 vacation days, 3 weeks per year of remote work, flexible working hours, dog-friendly kick-ass office in the center of the city
  • Happy Belly Package: Monthly company lunch, tons of free snacks and drinks, free breakfast & fresh delicious pastries every Monday
  • Physical & Mental Health Package: In-house gym with a personal trainer, various classes like Yoga with expert teachers & free of charge access to our EAP (Employee Assistance Program) to support your mental health and well-being
  • Activity Package: Regular team and company events, and hackathons.
  • 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.


    Open and modern Office
    Own Company Gym
    Flexible Working Times
    Fresh Drinks & Food
    Free Choice of Hard-and Software
    Public Transportation Subsidy
    Monthly Company Lunch and Breakfast Monday
    Virtual Stock Option Plans
    Educational Opportunities
    German classes reimbursement
    Dog Friendly
    Sunday Starter Kit
    Relocation Support
    Dennis Heinrichs
    Working at Sunday gives me the opportunity to throw myself into exciting challenges everyday and get the support to own my projects!
    Süleyman Süzen
    Sunday is full of talented & fun people from different background and that creates an exciting work environment that never gets boring!
    Berksu Gündüz
    I work at Sunday because it is the perfect workplace for empowerment, enrichment and where opinions really matter!
    Nicholas Bloom
    What I like most about working at Sunday is that my colleagues motivate me to better myself each and everyday.

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