Data Scientist

Data Scientist

Full-time · Associate

Heads Talent Solutions Belgrade, Serbia (11-50 employees · Human Resources Services)

About the job

We have partnered with one of the leading telco companies in our region.

Due to their further development, we are searching for a motivated professional (junior or medior level) to join their growing team.

The Data Science team is utilizing advanced machine learning algorithms to support the marketing department by data-driven engaging customers and maximizing value to the business. Also, support the technical department by providing methods to increase network performance and perform smart network planning.

Delivery of Data Science team relay on a vast amount of data stored on state-of-the-art Big Data platforms.


What they will expect from you:

  • Collaborate with domain knowledge experts and data engineers to fully understand project goal and relevant data meaning
  • Perform data discovery, incorporation of new data sources, data analyses, data quality control, and maintain documentation
  • Build advanced machine learning models such as neural networks for predicting customer behavior, NLP for sentiment analysis, clustering different customer groups, etc.
  • Evaluation of proposed model performance on live data.
  • Deploy in production end-to-end flow containing ETL, machine learning, and targeting pipelines.
  • Be responsible for every single step in the lifecycle of the model by maintaining all deployed pipelines, monitoring KPI, and performing improvements.


For a good start you will need:

  • University degree in Electrical Engineering, Mathematics, or Organizational Sciences
  • A mathematical and statistical background, with a problem-solving attitude and critical thinking
  • Coding skills for data transformation and analysis using languages such as SQL, and Python (Data science set: Pandas, Numpy, Matplotlib…)
  • Experience with data visualization and data visualization tools
  • Experience with machine learning frameworks TensorFlow, Keras, PyTorch, sci-kit-learn, H2O…
  • Experience with HDFS and Spark (PySpark)
  • Proficient in both spoken and written English
  • Personal skills: positive, self-motivated, result-driven, curious, self-learner
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