Internship – Junior Data Scientist

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Novi Sad/Belgrade, SRB

About us

Since 2012, Sixsentix has accelerated innovation through expert software testing and quality assurance services. We provide fast, cutting-edge testing solutions by combining AI-driven automation, proven practices, and deep domain expertise. Our mission is simple: stop bugs from becoming business problems and protect companies from the real cost of poor software quality.

Our culture shapes how we collaborate and support each other. It shows up in our everyday work: we run on grit, ownership, trust, and team spirit. We break limits and continuously improve through challenging the status quo in order to make an impact together.

About the internship

If you’re interested in working with data, machine learning, and solving hands-on problems – this is an opportunity to apply your knowledge in practice.

What you’ll do:

  • Work on practical projects and realistic datasets
  • Participate in data collection, analysis, processing, and presentation
  • Develop, test, and improve models in the fields of ML, NLP, and LLM
  • Gain hands-on experience in developing Generative AI applications
  • Work with Python and its ecosystem (pandas, NumPy, scikit-learn), SQL, vector databases, Git, LLM/GenAI frameworks, and visualization tools
  • Learn with mentor support and regular feedback

We are a match if you:

  • Are a final-year bachelor’s or master’s student, or a graduate (IT, mathematics, statistics, or related fields)
  • Have basic knowledge of Python and working with data
  • Understand the fundamentals of statistics, machine learning, and analytical thinking
  • Have a proficiency in English language
  • Familiarity with SQL and Git is a plus

This internship might be interesting for you if:

  • You have strong analytical skills
  • You enjoy working with data and solving problems
  • You work well in a team environment
  • You demonstrate initiative and a willingness to learn

What we offer:

  • A paid internship lasting 2 months (full-time)
  • Mentorship and development of practical skills
  • A certificate of internship completion (with the possibility of faculty documentation verification)
  • Opportunity for employment after the internship

We look forward to receiving your electronic application (CV, reference letters, etc.) by email to careers.rs@sixsentix.com
Find more information about Sixsentix on www.sixsentix.com

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