Senior Data Scientist Specialized on NLP

We are a small team in a big company, mainly adopting agile methodology. We provide Data Science solutions for internal customers inside Deutsche Telekom and our skills and solutions are continually in high demand. Therefore, we want to increase the size of our team with additional technical people that know how to process and analyze data so we can serve and satisfy needs of even more customers.

We are looking for somebody who can work independently, create working solutions quickly, creatively come up with new ideas, but also knows how to use and where to look for existing solutions. Our project members are situated in Germany, Czech Republic, Slovakia and Romania so video conferencing is the daily standard.

This vacancy is suitable for graduates with advanced knowledge of Python, IT people who would like to change their focus towards ML / AI or anyone else with required background who is interested in this area and is motivated enough to show and use the skill set we need.

Apply and find out more about us and our Digi department and join our team in Košice or Bratislava!

What will be your key responsibilities:

We work in a HYBRID STYLE of working with an unlimited home office, but twice a week we meet in the office (Bratislava or Košice) for meetings.

The Senior Data Scientist specialized on NLP as a member of the Artificial Intelligence Services team of Deutsche Telekom Services Europe Slovakia, you will be working in the are of Natural Language Processing. In this regard, you will face the following interesting tasks and challenges.

Job content:

  • You will be analysing and visualizing data in Python to provide business insights for internal customers of the Deutsche Telekom group
  • You will prepare training & evaluation pipelines and apply state of the art Machine Learning approaches to improve processes in Finance (Controlling, Treasury, Accounting), Procurement, HR and others
  • You will be responsible for technical part in your projects designing & implementing prototypes of innovative applications in Python. Our usual projects are in the areas of Natural Language Processing and Time Series Forecasting
  • You will be working on your solutions independently and creatively
  • You will cooperate directly with business including your active contribution in customer workshops, meetings and calls, so the ability to explain technical points to business colleagues is crucial part of this job
  • You will participate in team brainstorming sessions, code reviews, reading groups and pair programming sessions

Depending on the use case, you will have the opportunity to work with a variety of tools and technologies like SAP, Scikit-learn, Keras, Spacy, Docker, Kubernetes, Flask, or Tesseract, and BI dashboarding tools e.g. Celonis, MicroStrategy, Qlik, Tableau, etc.... knowledge of those is helpful

  • You will have the chance to identify possible use cases for automation and data science. Innovation is welcome.
  • Because we care for your personal growth and development, we offer paid online and offline trainings, reading material and more.

The published salary is the minimum possible offer. The starting salary may be higher depending on the extent of fulfillment of the employee's requirements (education, language skills, required practice, personality assumptions and skills).

We’re committed to equal employment opportunity, and provide reasonable accommodations to any applicants with disabilities. Should you be interested in our job offer and job description, we welcome you to inform us confidentially if you may require special accommodations to fully participate in our recruitment experience at

What experience should you have:


  • University education (Master's degree)
  • Postgraduate (Doctorate)

Language skills:

  • English - Advanced (C1)

Personality requirements and skills:

  • You already have experience in Data Science projects, experience in Natural Language Processing projects is a plus
  • You are good at coding in Python
  • You are able to work on a remote GPU server, and help keeping it in a good condition
  • We work with Jupyter Notebook, SAP and SAP HANA studio, experience with these tools is more than welcome
  • You follow current trends in Technology and Data Science
  • You are aware of and willing to apply Agile methodology (Scrum, XP, Kanban etc.)
  • IT area sounds good to you, but business process management is something that seems to be interesting too (Procurement, Human Resources, Financial Controlling experience)
  • You are not afraid to ask questions when something is not clear or point out when something seems inefficient to you.
  • You are an analytical thinker, have an affinity for structure, grasp things fast and work systematically
  • Excellent English, ideally also Czech/Slovak and/or German
  • You are a team player, open to international environment and can travel occasionally within Europe
  • You know how to develop and deploy your models to production.
  • Experience with Flask
  • Experience with Docker
  • Experience with cloud environment like Azure, AWS, Openshift
  • Networking

What do you get in return:

  • Annual bonus
  • Fully paid meal vouchers
  • Phone and notebook for personal use
  • Discounts for selected Telekom products
  • Supplementary pension saving contribution
  • Cafeteria system of benefits/Multisport card
  • Sick days
  • Sports club & Health days
  • Teambuildings, summer & Christmas party
  • Opportunities for career growth
  • Referral program
  • Flexible working time
  • Employee Assistance Program: Free telephone and e-mail access for our employees and their family members to the following professionals: Psychologist, Consultant, Lawyer, Financial Consultant
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