Lead Data Scientist

We are toogeza

, a Ukrainian recruiting company that is focused on hiring talents and building teams for tech startups worldwide. People make a difference in the big game, we may help to find the right ones.

Currently, we are looking for a Lead Data Scientist for SpinLab.

Location:

Remote

Job Type:

Full-Time

About our client:

Spinlab helps slot gaming leaders unlock the potential of their data, enhancing business outcomes and strengthening their competitive edge in the market. The company collects and processes data using advanced methods and technologies to provide clients with clear, actionable recommendations based on real metrics.

SpinLab

’s goal is not just to collect data but to help businesses use it for maximum efficiency and amplify their performance results.

Role Overview:

As a Lead Data Scientist, you will combine hands-on expertise, technical leadership, and product thinking to drive the development of scalable ML solutions.

You will play a key role in:

• Ensuring what we build drives business value
• Defining how we build (processes, standards, scalability, performance)
• This role requires close collaboration with product and business stakeholders to translate complex problems into practical, high-impact solutions.

Responsibilities:

• Work closely with product and business teams to: Translate business problems into data science solutions or data analytics researches
• Define clear success metrics and KPIs
• Turn insights into actionable recommendations that impact revenue and player behavior
• Ensure all models and analyses are aligned with real business outcomes, not just technical performance
• Design, build, and deploy ML models (e.g., churn prediction, LTV forecasting, revenue uplift, player segmentation) from experimentation to production.
• Define and implement standardized, scalable DS/DA processes across the team: Model development lifecycle (design → validation → production)
• Code quality, documentation, and reproducibility
• Experimentation and evaluation frameworks
• Continuously improve delivery efficiency, reducing time from idea → production
• Identify opportunities to automate manual analytical workflows using AI/ML

Requirements:

• Bachelor’s or Master’s degree in Statistics, Mathematics, Computer Science,Economics, or a related quantitative field.
• 5+ years of experience as a Senior Data Scientist role/Lead role, leading both analytical and data science domain work.
• Strong SQL and Python skills; experience with large datasets, notebooks, reproducible analysis, and Git-based workflows.
• Solid knowledge of ML, statistics, experimental design, A/B testing, holdout evaluation, and business KPI analysis.
• Commercial experience with predictive modeling, classification, segmentation,forecasting, model evaluation, and business impact measurement.
• Experience with churn, uplift, LTV, retention, campaign analytics, or user behaviormodeling is a strong advantage.
• Strong analytical and problem-solving mindset; ability to find the story in the data:uncovering trends and explaining them in clear business terms.
• Commercial Experience working with large datasets and distributed computing tools(BigQuery, Spark, Hive, or similar).
• Solid understanding of experimental design and statistical testing (A/B testing,hypothesis testing, confidence intervals).
• Familiarity with causal inference techniques (e.g., Propensity Score Matching, Instrumental Variables, Difference-in-Differences, uplift modeling), and predictivemodeling techniques.
• English B2+
• Will be a plus: Experience in gaming, gambling, fintech, e-commerce, subscription, or other user-behavior-driven products.
• Experience with BI tools such as Tableau, Looker, or Power BI.
• Product mindset: the ability to go beyond numbers and propose actionable solutionsthat make an impact.