Senior Data Scientist – NLP & AI in Bratislava

We’re a small, agile team within Deutsche Telekom delivering high-impact Data Science solutions in high demand. As we grow, we’re looking for curious, hands-on talent who can deliver fast, think creatively, and work independently.


Join our international team across Europe and be part of building data-driven solutions in Košice or Bratislava.

What will be your key responsibilities:

Daily Tasks:

• Improving and scaling Python backends for LLM/AI applications (e.g. chatbots)
• Enhancing user experience and stability of existing solutions
• Implementing new features based on business needs
• Collaborating with stakeholders and explaining technical solutions
• Contributing to team discussions, code reviews, and innovation initiatives

We work in a HYBRID STYLE of working with an unlimited home office, but twice a week we meet in the office (Bratislava or Košice) 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).

What experience should you have:

• Strong Python development (FastAPI, Celery, data/AI libraries)
• Experience with LLM frameworks (LangChain, LlamaIndex, OpenAI/Azure APIs)
• REST API development
• Basic knowledge of SQL/NoSQL databases (Postgres, MongoDB, etc.)
• Agile mindset and ability to adapt
• Strong communication and knowledge-sharing approach
• Fluent English


What do you get in return:

  • Annual bonus
  • Fully paid meal vouchers
  • 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
I want to apply

Send offer to e-mail

More positions in category Information Technology, region Bratislava

DevOps Engineer in AI Team in Bratislava

  • DEUTSCHE TELEKOM SK
  • Bratislava
  • 3 500 EUR/m

As a Senior DevOps Engineer, you’ll help build and run cloud-native platforms powering ML/AI solutions. You’ll work with modern tech (GCP, Kubernetes, CI/CD) to deliver reliable, secure, and scalable…

DevOps Engineer in AI Team in Bratislava

AI SERVICES - PRINCIPAL DATA Scientist for Time Series Forecasting BA

  • DEUTSCHE TELEKOM SK
  • Bratislava
  • 3 500 EUR/m

We’re a small, agile team within Deutsche Telekom delivering high-demand Data Science solutions. As we grow, we’re looking for hands-on talent who can work independently, deliver fast, and bring…

AI SERVICES - PRINCIPAL DATA Scientist for Time Series Forecasting BA

AI SERVICES - Senior DevOps Engineer in Bratislava

  • DEUTSCHE TELEKOM SK
  • Bratislava
  • 3 500 EUR/m

As a Senior DevOps Engineer, you will work as part of a dedicated DevOps team designing, maintaining, and enhancing cloud-native infrastructure that supports data science workloads. You’ll…

AI SERVICES - Senior DevOps Engineer in Bratislava