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← Betty

Senior Data Scientist | Betty CA

Betty
Location
Sofia, Bulgaria
Posted
2 months ago
Department
Engineering
What they actually want (must-haves)
  • 3+ years of experience in a Data Scientist, Machine Learning Engineer, or advanced analytics role
  • Strong theoretical understanding of machine learning and statistical algorithms
  • Proven experience applying models to solve business problems
  • Skilled in Python (Pandas, NumPy, Scikit-learn, PySpark) and SQL
  • Experienced in analyzing massive datasets (100M+ rows)
  • Strong communication skills
Nice to have
  • Experience with AWS, Docker, Kubernetes, or other cloud and containerization technologies
  • Background in NLP, time-series, or causal inference modeling
  • Proficiency with data visualization tools (Tableau, Looker, or Power BI)
  • Experience integrating data and models into production pipelines and dashboards
  • Familiarity with iGaming KPIs such as LTV, ARPDAU, Churn, and Player Retention metrics
What the job really is

As a Senior Data Scientist at Betty, you will design, build, and deploy predictive models to enhance the online casino experience. Your role involves analyzing player data to optimize engagement strategies, developing models for fraud detection and responsible gaming, and collaborating with Data Engineers to ensure scalable model deployment. You will also visualize findings for stakeholders and continuously monitor model performance.

Benefits
  • Competitive salary
  • Premium Health insurance
  • Career and skills development opportunities
  • Fun and collaborative team environment
  • New modern office space
Things to weigh
  • No salary figure provided
  • Focus on iGaming and consumer-facing digital products may limit experience diversity
  • Role involves significant collaboration with Data Engineers, which may require strong teamwork skills
Job score2.4/5
Benefits3/5
Freshness1/5
Career value4/5
Role clarity4/5
Pay transparency0/5

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