Data Scientist II utilizing cutting - edge machine learning and AI solutions at Early Warning Services. Collaborating with cross - functional teams to deliver business results and enhance financial services.
About the role
- Data Scientist delivering data science projects for media companies at Samba TV in Warsaw. Collaborating with engineering and mentoring junior data scientists on the team.
Responsibilities
- Own end-to-end delivery of significant data science projects — from problem scoping and approach design through to production deployment, with a focus on knowledge graph and identity solutions
- Make sound, independently-reasoned decisions on methodology, model selection, and evaluation; document them clearly in technical solution documents covering problem statement, approach, metrics, and timeline
- Build production-quality Python and PySpark code on Databricks — well-tested, documented, and reusable — and implement advanced ML and AI-powered workflows including entity resolution, probabilistic record linkage, embedding-based matching, semantic similarity, and LLM-augmented pipelines
- Lead solution design for your own initiatives; break down complex epics into well-scoped user stories with clear acceptance criteria, adopting DataOps and MLOps best practices throughout (experiment tracking, pipeline orchestration, model monitoring, reproducibility)
- Develop and maintain reusable tools, libraries, and documentation that improve team efficiency and technical standards; conduct code reviews with constructive, specific feedback that raises the bar
- Mentor junior data scientists on technical execution, code quality, and career development; lead internal talks or workshops on knowledge graphs, identity, or ML topics
- Collaborate cross-functionally with product, engineering, and operations — translate business requirements into technical specifications and partner with data engineering on scalable pipeline design; participate in cross-functional design reviews and working groups
Requirements
- Bachelor's degree required in Statistics, Data Science, Computer Science, Mathematics or related field; Master's preferred
- 5-7 years of hands-on data science experience with 1-2+ years in a direct people-management or team-lead role with demonstrated ability to develop, retain, and hire data scientists
- Solid command of core statistics and ML - hypothesis testing, probability, regression, classification, clustering, model evaluation, and experimental design
- Strong Python (pandas, NumPy, PySpark, scikit-learn) and SQL; Databricks or similar platform experience essential
- Familiarity with MLOps practices: experiment tracking, pipeline orchestration (Airflow), reproducible model deployment
- Detail-oriented and proactive in anticipating delivery risks
- Comfortable running Agile ceremonies and maintaining consistent sprint cadence across a distributed team
- Strong communicator - able to give direct, constructive feedback and advocate for your team to key stakeholders.
Benefits
- Samba TV is an equal opportunity employer.
- We celebrate diversity and are committed to creating an inclusive environment for all employees.
- We strive to empower connection with one another, reflect the communities we serve, and tackle meaningful projects that make a real impact.
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