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 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 for Time Series Forecasting as a member of the Artificial Intelligence Services team of Deutsche Telekom Services Europe Slovakia, you will be working with one of the most innovative Process Mining and Analytics solution. In this regard, you will face the following interesting tasks and challenges.

Job content:

• You will execute assigned tasks independently while bring your own ideas, improvement proposals, and selling them to the team and customers

• In this position you will start to assume active role in assigned projects, help mentor junior colleagues, focus on development of selected technical skills, and keep growing your soft skills (communication with customers, team organization, etc.)

With the above in mind, your main tasks will be the following:

• You will be in search for optimizing the business and business processes with the power of data

• You will implement process analyses and act as an interface to our customers

• You will analyse data and identify possible use and application cases of data analytics

• You will cooperate with business (regular meetings and calls with internal customers regarding their needs), so the ability to explain technical stuff to business colleagues is crucial part of this job

• You will work with variety of data mining and data analytics tools

• You will actively take part and contribute to customer workshops

• You will be applying machine learning approaches; processing, cleaning, analysing and visualizing data in Python to provide business insights for internal customers of the Deutsche Telekom group

• Together with our customer you will be working on your solutions independently and creatively as a part of a small and agile development team

• 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 reporting and visualization of process related data

• You will cooperate with business across Europe (regular meetings and calls with internal customers regarding their needs), so the ability to explain technical material to business colleagues is crucial part of this job, as is a consultant’s mindset

• You will use machine learning techniques to integrate analysis results into specific solutions and business processes

• You will devise and present decision making proposals and recommended courses of action

• You will be involved in the development of specific assessment and steering tools for various data sources to provide the data records required

• You will take part in developing our internal set of tools and best practice approaches that are used across different projects. You will participate in continuously monitoring the performance of our products

• You will be responsible for testing activities from Data Analyst side

• You will act as a representative towards IT

• You will have the chance to identify possible use cases for automation and data science. Innovation is welcome. You will actively take part and contribute in customer workshops

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).

What experience should you have:


• Education in the IT field would be beneficial

Language skills:

• English - Advanced (C1)


• University degree (Bachelor´s., Master’s or PhD) in Statistics, Mathematics, Economics, Computer Science or another quantitative field.

Language skills:

• English - Advanced (C1)

Personality requirements and skills:

• You already have several years of practical experience with data science projects, ideally with time series forecasting

• You already have experience Big Data, Data Science and Business Intelligence

• You are advanced in coding in Python, SQL, GitLab

• You are aware of and willing to apply agile methodology (Scrum, XP, Kanban etc.)

• You are an analytical thinker, have an affinity for structure, grasp things fast and work systematically

• You follow current trends in data analytics market

• You are able to develop working solutions quickly

• Strong problem solving skills with an emphasis on product development

• You are a team player, open for international environment and are able to travel occasionally within Europe (once that is again a possibility)

• Building and maintaining positive relationships with various stakeholders; managing expectations

• Very good communication and presentation skills

• You are able to think analytically, have an affinity for IT, possess quick understanding and work systematically

• Corporate attitude and strong service behavior

• You get things done• A thorough and methodical approach to work

• Highly developed skills in interpersonal communication

• Knowledge sharing – active contributor.

What do you get in return:

  • Annual bonus
  • Fully paid meal vouchers
  • Phone also for private use
  • Notebook
  • 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
Mám zájem o tuto pozici

Poslat nabídku na e-mail

Další pozice v oboru Informační technologie, region Bratislava

Hľadáme IT analytika (API,SQL), 13plat a množstvo benefitov

  • Manuvia Expert Recruitment SK
  • Bratislava
  • 2 500 - 3 500 EUR/mes

Pre jednu z najvýznamnejších a najstabilnejších slovenských bank hľadáme Senior IT Analytika digitálneho bankonvíctva.

Hľadáme IT analytika (API,SQL), 13plat a množstvo benefitov


  • Goodcall Slovakia
  • Bratislava
  • 3 000 EUR/mes

Hľadáme nadšeného leadra pre tím servisného dizajnu! Máš zápal pre kreatívne riešenia a trúfneš si na vedenie teamu  Servisneho Dizajnu s energiou a vášňou? Tak sme na teba zvedaví!


SAP Analytik ( Retail Analyst) - junior, senior

  • Manuvia Expert Recruitment SK
  • Bratislava
  • 1 500 - 3 500 EUR/mes

Pozícia sa obsadzuje pre TOP výrobnú spoločnosť u nás na Slovensku.Hľadáme odborníka na maloobchodnú problematiku, ideálne so skúsenosťami so SAP  - Customer Activity Repository (CAR). 

SAP Analytik ( Retail Analyst) - junior, senior