AI SERVICES - PRINCIPAL DATA Scientist for Time Series Forecasting BA

• End-to-end ownership of data science projects (from requirements to production)
• Applying ML to deliver business insights across Finance, HR, Procurement, etc.
• Designing models and building training/evaluation pipelines
• Developing and deploying solutions in Python
• Driving innovation in time series and ML use cases
• Collaborating with stakeholders and explaining solutions
• Mentoring team members and contributing to knowledge sharing

We work in a HYBRID STYLE of working with the possibility of working from home , but twice a week we meet in the office in Košice or Bratislava for meetings.

The published salary is the minimum possible offer.
The starting salary may be higher depending on the extent of fulfillment of the employee's requirements (education, language skills, required practice, personality assumptions and skills).

Your skills:
• 5+ years in Data Science (time series preferred)
• Strong expertise in time series modelling + mentoring experience
• Advanced Python for ML (clean code, APIs, testing basics)
• Experience leading or advising Data Science teams
• Solid understanding of business domains (Finance, HR, Procurement)
• Agile mindset (Scrum/Kanban)
• Analytical, proactive, and delivery-focused
• Strong communication skills & knowledge sharing
• Fluent English (German is a plus)

• Annual bonus
• Fully paid meal vouchers
• Mobile phone also for private use
• Discounts for selected Telekom products
• Supplementary pension saving contribution
• Cafeteria system of benefits/Multisport card
• Sick days
• Sports club & Health days
• Teambuildings, summer & Christmas party
• Opportunities for career growth
• Referral program
• Flexible working time