Technical Lead, Data Science - Hands-On & Leadership

Sii Ukraїna TOV; Poland; Remote; PLN 180,000 - 280,000; Full time

Job summary

Sii Ukraїna TOV is seeking a technical lead to steer end-to-end data science projects, framing problems with clients and signing off on modelling approaches. This is a hands-on role where you’ll still write Python and challenge the decisions shaping outcomes.

Your impact comes from mentoring the team, setting technical standards, and making calls that keep projects on track across platforms like Microsoft Fabric, Palantir Foundry, Databricks, and major clouds.

Qualifications

• Framing data science problems and designing modelling approaches.
• Hands-on Python coding and model evaluation.
• Mentor and set standards for the data science team.

Responsibilities

• Lead end-to-end data science projects from problem framing to deployment.
• Review models and ensure robust, production-ready results.
• Mentor the team and drive best practices across platforms.

Skills

Python

Data science leadership

Mentoring

Technical direction

Tools

Microsoft Fabric

Palantir Foundry

Databricks

Claude

Cursor

GitHub Copilot

Job description

Sii Ukraїna TOV is seeking a technical lead to steer end-to-end data science projects, framing problems with clients and signing off on modelling approaches. This is a hands-on role where you’ll still write Python and challenge the decisions shaping outcomes.

Your impact comes from mentoring the team, setting technical standards, and making calls that keep projects on track across platforms like Microsoft Fabric, Palantir Foundry, Databricks, and major clouds.