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Senior Data Scientist for Time Series Forecasting

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 also situated in Germany, Slovakia or Romania so video conferencing is the daily standard.

Key Responsibilities


  • You will be applying machine learning approaches like analyzing 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
  • We create data-driven business solutions for our customers. You will be the one creating them and possibly deploying them to production, teaching your customers how to use them, and providing support/maintenance
  • You will be responsible for the technical part in your projects designing & implementing prototypes of innovative applications in Python – our usual projects are in the areas of Time Series, NLP, Classification, Visualization
  • You will cooperate with the business side including your active contribution in customer workshops, meetings, and calls so the ability to explain technical points to business colleagues is a crucial part of this job, as is a consultant’s mindset
  • You will participate in team brainstorming sessions, code reviews, 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 like MicroStrategy, Qlik, Tableau, … knowledge of these is helpful
  • You will have the chance to identify possible use cases for automation and data science, innovative ideas are welcome

Competence Profile


  • Language: Fluent written and spoken English, German skills would be an advantage
  • Education in the IT field would be beneficial
  • 2 or 3 years of working experience with Data Science projects, preferably with Time Series forecasting
  • You are good at coding in Python
  • We work with Jupyter Notebook, SAP and SAP HANA studio, experience with these tools is more than welcome but not necessary
  • 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 (Financial Controlling, Procurement, Human Resources)
  • 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
  • You can develop working solutions quickly and you get things done

Interpersonal Skills

  • Proactivity towards customer service is essential.
  • Flexible and responsive to changing work patterns and demands
  • A thorough and methodical approach to work
  • Highly developed skills in interpersonal communication
  • Knowledge sharing – active contributor.

To apply for this position, send us an email with your CV at

Learning&Training Specialist with German

Ideal Candidate:

  • Excellent knowledge of German language (spoken & written)
  • Minimum 1 year of experience in related process (training organization, training management)
  • Experiences in learning platforms or related planning tools (HR database)
  • Excellent knowledge of English language (spoken & written)
  • Basic finance knowledge
  • Customer service focus and strong interpersonal skills required
  • Reliability
  • Strong verbal/written skills and attention to detail.
  • Ability to consistently deliver high quality customer service in a professional manner
  • Taking initiative in a proactive manner to improve own and team work practices
  • Ability to develop and deliver oral and written communications which convey complex information in a simple, easily understandable manner
  • Ability to handle a variety of workloads with a high degree of accuracy,
  • Excellent knowledge of MS Office in particular Excel and PowerPoint
  • Happy to work self-dependent as well as in a intercultural team

Job Description:

  • Support resourcing tasks and transaction processes related to Learning & Training
  • Creates, schedules and reschedules training courses in the Learning Platform, books employees and provides evaluation forms
  • Communicates with the local HR Business Partner, internal and external vendors, register employees to trainings, runs the internal billing system and approves invoices issued by the training vendors in collaboration with budget owners as well as local purchasing department
  • Deals with the feedback provided by participants and trainers, informs local HR, managers and external vendors about the results
  • Processing, Maintenance and administration of data on trainings in the learning management systems
  • Organisation, monitoring and co-ordination of standard inhouse seminars for employees in Germany
  • Manages the training logistics (booking of hotels, training rooms, sending information to participants, billing information, etc) and takes care of data privacy of training participants
  • Process invoices and checks the invoices against orders
  • Answer training related questions of managers and employees, solves issues and problems
  • Manages the E-Learning trainings and Web Based Trainings in the Learning Management System (HR Suite, Global Teach or similar)
  • Cooperates with external vendors
  • Organize, update and maintain documents, records and files for training purposes
  • Analyze, summarize, compile and submit reports to the local HR and management
  • Supports delivery of reports to Business Partner’s, Manager and Competence Center Develop and promote training plan objectives and supervise the accomplishment of such objectives
  • Support by the preparation and contribution of presentations (PowerPoint)

Remote Online Editor with German

Are you familiar with the tasks and processes of a content management system and an editorial team? Do you speak German at a native level (C1/C2)? And would you like to be part of a team that manages the HR intranet for Deutsche Telekom? If yes, we would be very happy to get to know you.

Your responsibilities would include:

  • Maintaining and creating content in German and English according to the editorial style guide for the high-reach internal HR portal of Deutsche Telekom.
  • Coordinating the content with the product managers and advising them on the best possible presentation of their content in the HR portal.
  • Writing German and English headlines and long copy for HR topics: from travel booking to salary conditions to health offers.
  • Monitoring, analyzing traffic and developing optimization measures.
  • Working closely with the rest of the team and the editorial board.

You are the perfect candidate if:

  • You hold a degree in communication, journalism or languages or have similar academic qualifications.
  • You have several years of experience with a content management system, preferably with CoreMedia
  • You have an excellent command of the German language and a very good knowledge of the English language.
  • You have experience in writing German and English long copy, such as online editing and SEO.
  • You already have some experience in dealing with customers on a German service line.
  • Tracking tools and social media management are no secrets for you.
  • You can switch quickly between topics without losing the overview.