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Date:  19 Oct 2026
Company:  Yettel doo Beograd
Location: 

Beograd, RS, 11070

KICKSTART - Data Science B2B Specialist - intern

We are looking for an intern who wants to work at the intersection of data science and software engineering, within the Commercial B2B division. The role involves building internal tools and web applications that support sales, as well as automation scripts for processes that rely on customer data. The stack is Python-based, with applications built on Flask and Django. You will also have room to follow what is happening in the AI space, from new models to agent frameworks, and to test how it could be applied in our tools.

 

What we will expect from you:

 

  • Contribute to the development and maintenance of internal web applications and tools (Flask/Django)
  • Write automation scripts for data processing and preparation
  • Design and implement recommendation logic that translates defined business rules into personalised offers and suggestions for customers
  • Explore how LLMs can be used in internal tools and build prototypes

 

For a good start you will need:

 

  • Final-year student or recent graduate in computer science, mathematics, statistics, electrical engineering or a related field
  • Knowledge of Python and its data libraries (pandas, NumPy)
  • Experience in SQL and relational databases
  • Basic knowledge in AI, including LLMs, machine learning and how they can be applied in practice
  • Analytical mindset, ability to learn independently, and willingness to ask when something is unclear

 

Why we think you should apply:

  • Paid internship & career development opportunities
  • Mobile phone and tariff package with unlimited internet
  • Opportunity to participate in business decision making process of a large multinational company
  • Working in a dynamic environment which allows you to freely express opinions, ideas and inspire new ways of doing things
  • A unique and inspiring atmosphere full of talented people willing to share their professional knowledge

 

Please include your references in your CV, as reference check is an integral part of our selection process.

We hope to meet you soon!

Apply now »