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Lead Data Scientist
CrystalByte
📍 Remote (Poland)
📅 Full-time
📁 Data
Posted: 2026-06-06

About the Role

Join CrystalByte and be part of a team redefining what is possible in data. We are well-funded with the resources of a scale-up and the speed of a startup. As a Lead Data Scientist, you will have real ownership, meaningful impact, and the flexibility to work how you work best.

What You'll Do:
- Build and maintain robust data pipelines and ETL workflows
- Monitor data quality and build alerting systems for anomalies
- Develop ML models and deploy them to production environments
- Collaborate with analysts and engineers to define data models
- Design and optimize data warehouse schemas for performance
- Drive experimentation frameworks and A/B testing infrastructure

What We're Looking For:
- Strong organizational and cross-functional collaboration skills
- 7+ years of progressive experience in your field
- Track record of defining and executing on strategic initiatives
- Experience leading and growing high-performing teams

What We Offer:
- Parental leave and family-friendly policies
- Competitive salary with equity or performance bonuses
- Home office setup stipend ($500-$1,000)
- Flexible hours — we trust you to manage your time
- Fully remote — work from anywhere in the world

To apply, send your resume and a short note about why you are excited about this role. We review every application and respond within 5 business days.

Required Skills

SQLSparkScikit-learnLookerTableauGCP

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Salary Range
$160k-$200k
Per year • Remote