Middle Data Scientist @

6 days ago


Remote, Czech Republic Competera Full time

You have:

  • 2+ years of experience in data science or a related field.
  • Strong SQL skills for data manipulation and extraction.
  • Proficiency in Python, with the ability to write modular and readable code for experiments and prototypes.
  • A solid mathematical background, preferably in a Computer Science-related field.
  • Expertise in scientific Python libraries, including NumPy, pandas, scikit-learn, and either Keras/TensorFlow or PyTorch.
  • Familiarity with Time Series Forecasting methodologies.
  • Experience in statistical testing, including A/B testing.
  • 1+ years working with tabular and multimodal data (e.g., combining tabular data with text, audio, or images).
  • Upper-intermediate or higher English level.

Soft skills:

  • Analytical mindset and critical thinking to solve complex problems.
  • Agile approach, with the ability to experiment and test hypotheses in a dynamic business environment.
  • Business-oriented thinking, capable of translating complex models into clear business insights.
  • Curiosity and a drive for continuous learning in the data domain.
  • Strong team player, able to collaborate across cross-functional teams.

In Competera, we are building a place where optimal pricing decisions can be made easily. We believe that AI technologies will soon drive all challenging decisions and are capable of helping humans be better. We are now looking for a Middle Data Scientist to change the way we deliver our solution to customers.

You could be a perfect match for the position if

You want to:

  • Validate datasets to ensure data accuracy and consistency.
  • Design proof-of-concept (POC) solutions to explore new approaches.
  • Develop technical solutions by mapping requirements to existing tools and functionalities.
  • Train models and create custom approaches for new domains.
  • Troubleshoot data processing and model performance issues.

You're gonna love it, and here's why:

  • Rich innovative software stack, freedom to choose the best suitable technologies.
  • Remote-first ideology: freedom to operate from the home office or any suitable coworking.
  • Flexible working hours (we start from 8 to 11 am) and no time tracking systems on.
  • Regular performance and compensation reviews.
  • Recurrent 1-1s and measurable OKRs.
  • In-depth onboarding with a clear success track.
  • Competera covers 70% of your training/course fee.
  • 20 vacation days, 15 days off, and up to one week of paid Christmas holidays.
  • 20 business days of sick leave.
  • Partial medical insurance coverage.
  • We reimburse the cost of coworking.
,[] Requirements: Data science, SQL, Python, Prototypes, NumPy, pandas, scikit-learn, Keras, TensorFlow, PyTorch, Forecasting, Testing Additionally: Private healthcare, Flat structure, Small teams, International projects.

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