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Bettyjobboard

Senior Data Scientist | Betty CA

Sofia, Bulgaria

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hirly's read of this role

Role family
Data & ML
Seniority
Senior
Country
BG
Work mode
On-site / unstated
First seen by hirly
10 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

  • About Us:
  • Betty is an innovative entertainment company pioneering at the intersection of real-money online casinos and casual mobile gaming.

Betty Canada is a scale up company accredited by the Alcohol and Gaming Commission of Ontario (AGCO) as a B2C operator in February 2023, we've set a new standard in the industry.

Our mission is to redefine the online casino experience by offering a uniquely transparent environment where players can relax, unwind, and enjoy themselves safely. We are committed to accessibility, fairness, and inclusivity, fostering a community of like-minded individuals who value ethical gaming practices and prioritize our players' safety and enjoyment above everything else.

Our Values:

We are honest – we value honesty in all aspects.

Bring the Olives – we offer premium customer experience.

Think Big – we believe in always striving for more.

Key Responsibilities

Design, build, test, and deploy predictive and prescriptive models (e.g., churn prediction, player lifetime value, segmentation, risk classification, fraud detection).

Analyze large-scale player behavioral data to identify key value drivers and recommend optimizations for promotions, engagement, and monetization strategies.

Develop models for anomaly detection, fraud prevention, and responsible gaming interventions to maintain a safe and compliant environment.

Design and evaluate A/B and multivariate tests for product features and marketing campaigns, ensuring statistically robust insights.

Partner with Data Engineers to ensure model pipelines are production-ready, automated, and scalable across cloud environments.

Visualize and present analytical findings to both technical and non-technical stakeholders, driving clear, data-informed decisions.

Monitor and refine model performance, automate recurring analyses, and ensure data quality and reproducibility.

Requirements

3+ years of experience in a Data Scientist, Machine Learning Engineer, or advanced analytics role (ideally within iGaming, FinTech, or other consumer-facing digital products).

Strong theoretical understanding of machine learning and statistical algorithms (classification, regression, clustering, optimization).

Proven experience applying models to solve business problems (e.g., forecasting, segmentation, retention, player value optimization).

Skilled in Python (Pandas, NumPy, Scikit-learn, PySpark) and SQL (advanced querying, ETL processes, performance optimization).

Experienced in analyzing massive datasets (100M+ rows) across multiple sources.

Strong communication skills — able to explain complex technical concepts to non-technical audiences.

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.

Understanding of A/B testing frameworks and experimental design.

What We Offer

Competitive salary

Premium Health insurance

Career and skills development opportunities

Fun and collaborative team environment

New modern office space

Original posting on Bettyjobboard's site ↗

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