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Christian Kalla

Senior Machine Learning Engineer (Otto BI)

About me

I work in the inc(AI) team on various machine learning use cases, most recently in the area of NLP and large language models. Here I take care of software engineering and deployment issues as well as data science tasks such as training new models. Originally I come from the field of image processing and computer vision for biometric applications and I can bring this knowledge to Otto.

My articles

  • Christian Kalla
    Christian, Jürgen, Konstantinos, Tobias, Tung
    November 15, 2023

    Dagster: Data Engineering Best Practice during Slack Time

    In the inc(AI) team, we are always trying out different tools and methods. Slack time has proven to be a good way of doing this, in which we learn alone or together. The motivation for such Slack time naturally comes from the challenges that we have to solve during our work. Our strategy is to always look to the open source community first to find suitable solutions for us. Some time ago, we also investigated a new tool called Dagster in our Slack time.
    DevelopmentWorking methods
    view more
  • Christian Kalla
    Christian, Jürgen, Konstantinos, Tobias
    August 17, 2023

    ProductGPT – automating the creation of product texts with ChatGPT

    Although they've been around for a while, Large Language Models (LLMs) have taken the world by storm since ChatGPT was launched. ChatGPT currently dominates the AI landscape like no other model. Could it also be used for the creation of good product texts in the OTTO Webshop? This is precisely the question we wanted to tackle in the inc(AI) team in a 2-week sprint. The result is ProductGPT – a tool that can do exactly that!
    DevelopmentMachine learning
    view more

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