Senior Data Scientist

🌍 We’re Hiring: Senior Data Scientist (mathematical statistics focus)

📍 Location: Remote

💡 About Us

Yesim is an international product IT company operating in the fast-growing global eSIM and digital connectivity market. We are building a scalable, data-driven business with a clear focus on long-term value creation.

If you are excited by complex datasets, behavioral patterns, forecasting systems, and building analytical infrastructure from the ground up — this opportunity is built for you.

✨ About the Role

📝 Responsibilities

Data Analysis & Pattern Discovery

• Explore large datasets to identify behavioral, product, and revenue patterns.
• Detect structural effects, hidden dependencies, and non-obvious drivers.
• Perform variance and factor analysis across business metrics.
• Investigate anomalies, outliers, and unexpected metric movements.

Predictive Modelling & Forecasting

• Develop predictive models (LTV, churn, demand, revenue drivers, etc.).
• Build regression, clustering, and time-series models.
• Design conditional forecasts and scenario-based projections.
• Evaluate model stability, accuracy, and business relevance.

Decision Support & Diagnostic Tools

• Build analytical and diagnostic tools for business and product decisions.
• Design monitoring systems and early-warning indicators.
• Translate business problems into analytical models.
• Design hypothesis data testing and product experiments

Data Infrastructure & Quality

• Write and optimise SQL queries for analytical workloads.
• Contribute to data structure, logic, and metric definitions.
• Validate data reliability, consistency, and completeness.
• Handle imperfect datasets, sampling issues, and missing data.

Visualization & Reporting

• Build dashboards and analytical monitors in Power BI.
• Present analytical findings in clear, decision-oriented formats.
• Transform complex data into actionable insights.

Cross-Functional Collaboration

• Partner with Product, Marketing, Finance, and BI teams.
• Support strategic and operational decisions with data analysis.
• Drive analytical thinking across the organization.

📩 Requirements

🌍 Languages

• Russian - С2
• English - B2 or higher

🎁 What We Offer