Johannes Schaffrath

Natural Language Processing Engineer at Digi Sapiens - Digital Learning GmbH
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Contact Information
us****@****om
(386) 825-5501
Location
Dresden, Saxony, Germany, DE

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Credentials

  • Train-the-trainer
    IHK Dresden
    Jan, 2009
    - Oct, 2024

Experience

  • Digi Sapiens - Digital Learning GmbH
    • Germany
    • E-Learning Providers
    • 1 - 100 Employee
    • Natural Language Processing Engineer
      • Mar 2023 - Present
  • Unbox AI
    • United States
    • Research Services
    • 1 - 100 Employee
    • Artificial Intelligence Developer
      • Oct 2021 - Feb 2023

      Unbox AI is developing a multimodal transformer-based search and recommendation engine. Responsible for training and further development of the PyTorch model and its semi-supervised training objective. Unbox AI is developing a multimodal transformer-based search and recommendation engine. Responsible for training and further development of the PyTorch model and its semi-supervised training objective.

  • t2k GmbH
    • Germany
    • Software Development
    • 1 - 100 Employee
    • Natural Language Processing Engineer
      • Jul 2021 - Nov 2021

      Worked on a project to create an intelligent virtual assistant that should accompany older people in their everyday lives. Significantly involved in the area of voice-activity-detection (VAD), speech-to-text, and dialog processing. Worked on a project to create an intelligent virtual assistant that should accompany older people in their everyday lives. Significantly involved in the area of voice-activity-detection (VAD), speech-to-text, and dialog processing.

    • Artificial Intelligence Developer
      • May 2021 - Jun 2021

      Unbox AI is developing a multimodal transformer-based search and recommendation engine. Responsible for training and further development of the PyTorch model and its semi-supervised training objective. Unbox AI is developing a multimodal transformer-based search and recommendation engine. Responsible for training and further development of the PyTorch model and its semi-supervised training objective.

  • Darmstadt University of Applied Sciences
    • Germany
    • Higher Education
    • 100 - 200 Employee
    • Student Assistant Big Data Analytics
      • Jun 2020 - Oct 2020

      Responsible for managing a cluster with Apache Spark, Apache Kafka, Hadoop, and Apache Zeppelin. Furthermore, assisted the students with their assignments in Pyspark, Python, and Pandas. Responsible for managing a cluster with Apache Spark, Apache Kafka, Hadoop, and Apache Zeppelin. Furthermore, assisted the students with their assignments in Pyspark, Python, and Pandas.

    • Tutor Theoretical Computer Science
      • Apr 2017 - Mar 2020

      Independently gave practice lessons and marked student assignments.

    • Student Assistant Big Data Analytics/Text and Web Mining
      • Apr 2017 - Aug 2019

      Responsible for managing a cluster with Apache Spark, Apache Kafka, Hadoop, and Apache Zeppelin. Furthermore, assisted the students with their assignments in Pyspark, Python, Pandas, and Scrapy.

  • VWR, part of Avantor
    • Biotechnology Research
    • 1 - 100 Employee
    • Intership Robotics
      • Apr 2018 - Sep 2018

      Created a proof of concept for pipet calibration using the KAWADA Nextage robot. Besides the proprietary software provided by KAWADA Robotics, TensorFlow was used to train a number recognition model. Created a proof of concept for pipet calibration using the KAWADA Nextage robot. Besides the proprietary software provided by KAWADA Robotics, TensorFlow was used to train a number recognition model.

  • Deutsche Post IT Services GmbH
    • Junior Software Engineer
      • Oct 2015 - Dec 2016

      Worked 70% of the year in a maintenance project which maintains the backend of an internally developed retail application in C#. The other 30%, developed treasury-related software in ASP.net and C#.

    • Student in Cooperative Education Business Informatics
      • Oct 2012 - Sep 2015

      A dual study at a university of cooperative education is conducted in cooperation with a company. The student rotationally studies for 3 months at the university and works for 3 months at the company. My cooperating company was Deutsche Post IT Services GmbH, a subsidiary company of DHL. Worked on several projects with a business and technological focus. Wrote my bachelor's thesis on "Improvements of a safe monetary transactions system at an international company".

  • Federal Employment Agency
    • Germany
    • Research Services
    • 1 - 100 Employee
    • Call Center Agent
      • Oct 2010 - Aug 2011
  • Diakonissenkrankenhaus Dresden
    • Germany
    • 1 - 100 Employee
    • Civilian Service
      • Mar 2010 - Nov 2010

      Supported the nursing staff at the intensive care unit. Supported the nursing staff at the intensive care unit.

    • Call Center Agent
      • Jun 2009 - Feb 2010

    • Public Servant
      • Mar 2009 - Jun 2009

      Responsible for the processing of short-time allowance, seasonal short-time allowance, vocational education, and vocational education during short-time work (ESF) applications. Furthermore, conducted pay slip audits.

    • Specialist for Labour Promotion
      • Sep 2006 - Mar 2009

Education

  • Darmstadt University of Applied Sciences
    Master of Science - MS, Computer Science
    2016 - 2021
  • EF International Language Campuses
    Language Study Travel, English Language
    2016 - 2016
  • BA Dresden - Berufsakademie Sachsen - Staatliche Studienakademie Dresden
    Bachelor of Science - BS, Business Informatics
    2012 - 2015
  • Centre of English Studies
    Language Study Travel, English Language
    2011 - 2011
  • Institut für Lernsysteme GmbH
    Labor Law, 1.5
    2010 - 2011

Community

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