Deutsche Telekom is built to provide IT and telecommunication services worldwide, with millions of customers around the globe relying on our products for personal, business and government applications.  

 Our services are designed to last long time and provide increasing level of quality while adopting ever more advanced and complex technology. Running such a comprehensive ecosystem requires the use of artificial intelligence and big data principles to maintain our high standards. As a Data Scientist you will be defining the intelligence, deploying the tools, and coding the algorithms to enable full control of our network and deliver predictive maintenance models. You shall use your full range of technical, communication, and organizational skills. 

 Carrier at DTAG offers countless opportunities directly impacting fast growing world of one of the key commodities – human communication. Come and join the data tribe at one of the biggest players in the field.

 Are you passionate about leveraging the latest data science techniques, including agentic workflows and large language models (LLMs)? Join our dynamic team where you'll work across diverse domains, from traditional machine learning to cutting-edge natural language processing (NLP). You'll have the opportunity to deliver innovative solutions that make a real business impact.

This position is full-time and based in Prague. 

What you will do

  • Deliver mathematical and statistical models and implement data pipelines and dashboards
  • Deliver performance analysis and performance tuning as well as error analysis and corrections
  • Deliver further automation of services, processes and/or operating models
  • Deliver software components for various system functionalities (Java / Python)
  • Deliver design for service expansion / new feature integration
  • Work in a DevOps setup to ensure top quality and availability of the service
  • Actively monitor new trends in the industry

Required knowledge and skills

  • Passion for software and telecommunication technologies
  • Very good knowledge of Big Data solutions such as Elastic Stack, Kafka and Apache Flink
  • Proven knowledge of traditional machine learning tools and techniques (sklearn, mlflow, etc.)
  • Very good knowledge of Linux / Bash / Java / Python
  • Experience with an implementation of a solution based on LLM capabilities
  • DevOps oriented
  • The ability to work on your own, with “out of the box” mind set
  • English is must, German is strong advantage. International travel expectancy is 10%.
  • Preferably Master’s degree in the area of computer science or electrical engineering or mathematics, etc.

 We offer our people the best

  • Smartphone: Choose your phone and get a compensation of up to 23,100 CZK every 3 years.
  • Employee tariff: Use unlimited data, call and text for lower prices for private and business purposes.
  • Yearly bonus: You can get a bonus of up to 15% of your annual fixed salary each year depending on the company’s success.
  • T-Mobile discounts: Enjoy the 75% discount on 8 T-Mobile services for your family and friends.
  • Partner discounts: Enjoy lower prices of products and services with our partners.
  • Flexible hours: Adapt your work to your needs thanks to the home-office option (according to the agreement with the manager).
  • Shares program Shares2You: Become a shareholder of the Deutsche Telekom Group and take advantage of the associated benefits.
  • Rest and recreation: Relax with 6 weeks of holidays.
  • MultiSport: Sport and relax with your loved ones thanks to the discounted MultiSport card.
  • uLékaře.cz: Take care of your health with free online prevention and appointments with medical specialists for you and your whole family.
  • Healthcare: Take care of your wellbeing with high-quality care for a discounted price with our contractual facility.
  • Education and development: Broaden your horizons with our internal T-Univerzity offering a wide range of courses.
  • Cafeteria: Choose from a wide range of benefits worth up to 15,000 CZK per year - sports and cultural services, health and beauty, transport allowances, holidays or language courses.
  • Day for a good deed: You can devote one working day a year to volunteering in non-profit organizations and thus contribute to social responsibility together with us.
  • Psychological consultations: Are you having troubles in your private or professional life? Share your burden anonymously via phone or online.
  • Meal contribution: Enjoy a delicious meal with a work-day allowance of 123.90 CZK.
  • Pension allowance: Get ready for your retirement with a pension allowance after 12 months with us.

Everyone is welcome to join us

Our employees feel that they have equal employment and career development opportunities with us, regardless of age, gender and gender identity, sexual orientation, physical and mental ability, nationality, social and ethnic origin, political views, religion and world view. This makes us very happy. We are committed to continuous improvement and to creating a safe working environment for all.

What awaits you

  1. Has the job offer captured your interest? Fill in the application form and let us know about yourself.
  2. We will assess the information you send us and will get back to you under any circumstances.
  3. We will contact the chosen applicants and specify the details.
  4. A job interview is a two-way opportunity to get to know each other better.
  5. We will inform you about the result of the interview as soon as possible. Successful candidates will receive a job offer.
  6. In our company, according to our job architecture, you will perform the position of  „Data Scientist“.

T-Mobile Czech Republic a.s.