(Senior) Data Scientist (m/f/x)

Berlin, Germany Full-time

Are you passionate about data science? Are you open-minded about approaches and techniques, willing to pick the best tool for the job? Would you like your skills to have a real impact on the market? Are you keen on working with world-class teammates in a successful startup to bring a product to the market that will change a billion dollar industry? Well, this position might be just for you! 



SO1 is the leading artificial intelligence for retail.

We are building a revolutionary AI promotion platform based on machine learning and seamless retail integration. The SO1 Engine learns autonomously about individual consumer's preferences and their willingness-to-pay, providing real-time targeting across various media channels in the form of individual promotion feeds. Working with leading retailers in Europe and North America, SO1 has proven its superior ability to serve up the right offers to consumers while at the same time maximizing financial impact for retailers and globally recognized brands.

SO1 has been backed by high-profile investors with 8-figure investments and continues to focus on building the best AI for retail.



As a Data Scientist at SO1, you will work to set up and operate the data and model pipelines for our different use cases. The Data Scientist role entails the operational application of data science on client data. This includes data mapping, operating the data pipelines, do exploratory data analysis, and choose the best features and models to serve the current business goals.

  • You will build and integrate robust and scalable machine learning models
  • You will process client data to our internal data format and perform exploratory data analysis on it
  • You will continue to fine-tune our custom data processing pipeline and continuously search for ways to improve our KPIs 
  • You will measure, analyze and optimize the performance of our data processing pipelines and models
  • You will work on  feature engineering and feature extraction



Must have

  • You are fluent in programming in Python (or you know a similar language and are motivated to learn Python)
  • You have a good understanding of efficient algorithms and you know how to analyze them
  • You have at least basic knowledge of SQL
  • You are knowledgeable in the areas of exploratory data analysis and feature selection 
  • You are familiar with the Linux ecosystem and working with command-line tools
  • You have basic machine learning knowledge
  • You have a good background in mathematics and statistics


We offer our employees unique learning opportunities and the chance to take on important projects from day one together with:

  • A revolutionary platform that meets a strong customer need,
  • A highly energetic environment and smart colleagues who will help you accelerate your professional growth,
  • Freedom to shape your role and significantly impact the company’s direction and future,
  • Performance-based compensation,
  • Above market salary and vacation days,
  • Flexible working hours and vacation policy,
  • Possible stock options after you have proven your impact,
  • Lunch allowance through LunchIt app,
  • A job in one of the hottest cities in the world and amenities like free drinks & snacks, team events, and an office with a huge rooftop terrace in the middle of Prenzlauer Berg.



We are a diverse team of about 30 software engineers, DevOps, machine learners, data scientists, and business people. All united in their hunger to achieve something great and change the promotion game for good. We operate in small teams, with flat hierarchies. We love cooking together in the kitchen and having fun with barbeques on our rooftop terrace. At SO1, we pride ourselves on our diverse workforce and inclusive community feel. As an equal-opportunity employer, we welcome applications from candidates regardless of race, religion, gender identity, sexual orientation, age, disability or background.


We are very much looking forward to your application. Please send your CV in pdf including the earliest possible entry to the SO1 recruitment team.




By submitting your resumé and application information, you authorize SO1 to transmit and store your information in the SO1 recruitment database, and to circulate that information as necessary for the purpose of evaluating your qualifications for this or other job vacancies within SO1.