Lead Data Scientist

The role

What you’ll be doing

• Lead the analytical stream of projects, from design to delivery
• Define the right questions, choose the appropriate methods, and validate results
• Collaborate with data engineers to ensure data quality and preparation
• Guide data analysts on supporting analyses, queries, reports, and visualizations
• Connect data insights to business decisions — clearly and effectively
• Document each step: assumptions, methods, results, next steps
• Stay curious: explore new ideas, tools, and techniques in data science and AI

What we’re looking for

• 5+ years of experience in data science, predictive modeling, or applied analytics
• Proven ability to lead projects or analytical workstreams
• Strong skills in Python and SQL, with experience using libraries like pandas, scikit-learn, numpy, etc.
• Solid understanding of statistics and machine learning techniques
• Comfortable working with real-world, messy, incomplete datasets — and finding practical solutions
• Clear, structured, and persuasive communication skills
• Business mindset — you understand how data connects to real decisions and outcomes
• Bonus: experience with marketing data, segmentation, or engagement metrics

What we offer

• Freelance / part-time engagement, flexible schedule
• Hybrid setup: remote work combined with in-person meetings in Bucharest when needed
• Autonomy, ownership, and the space to do your best work
• Projects that respect your time, skills, and expertise — no micromanagement
• A team that values curiosity, clarity, and meaningful work over buzzwords