Senior Data Scientist for NLP - Bratislava

Which challenges are expecting you:
• You will be applying Deep learning approaches like (Bi-)LSTM and LLMs on our NLP products for internal customers of the Deutsche Telekom group
• You will prepare training & evaluation pipelines and apply state of the art Machine Learning approaches to improve processes in Finance (Controlling, Treasury, Accounting), Procurement, HR, and others
• You will contribute in designing & implementing prototypes of innovative LLM applications in Python
• You will cooperate with the business side including your active contribution in customer workshops, meetings, and calls so the ability to explain technical points to business colleagues is a crucial part of this job, as is a consultant’s mindset
• You will participate in team brainstorming sessions, code reviews, and pair programming sessions
• Depending on the use case, you will have the opportunity to work with a variety of state of the art tools and technologies
• You will have the chance to identify possible use cases for automation and data science, innovative ideas are welcome

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:
• Language: Fluent written and spoken English
• Education in the IT field would be beneficial
• More than 4 years working experience with Data Science projects, preferably with text data and related language models
• Preferably you have experience in working with LLMs / generative models
• You are good at programming in Python and are confident of working with APIs.
• We work with Jupyter Notebook and other IDEs. Experience with these tools is more than welcome but not necessary
• You are aware of and willing to apply Agile methodology (Scrum, XP, Kanban, etc.)
• You are not afraid to ask questions when something is not clear or point out when something seems inefficient to you
• You are an analytical thinker, have an affinity for structure, grasp things fast and work systematically
• You can develop working solutions quickly and you get things done

Nice to have:
• German language skills
• Cloud DevOps Skills: Familiarity with containerization (Docker), CI/CD tools (GitHub Actions, GitLab CI), and deployment to cloud platforms (Azure, AWS, GCP) to ensure scalability and production-readiness.
• Familarity with MLOps or AI Workflow Orchestration Tools such as MLflow or Dagster
• Domain-Specific Experience in Telco or Finance industries

Interpersonal Skills
• Proactivity towards customer service is essential.
• Flexible and responsive to changing work patterns and demands
• A thorough and methodical approach to work
• Highly developed skills in interpersonal communication
• Knowledge sharing – active contributor.

• 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