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.

Senior Data Scientist – NLP & AI in Bratislava

English (C1)
Technical
Bratislava
full-time
3 000 EUR/m

Your responsibilities will include:

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 we expect from you:

• 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


At our company, we believe in creating a positive work environment where employee wellbeing and growth truly matter. If this opportunity excites you and you’d like to join a dynamic team that genuinely cares about its people, send us your CV in English and become part of our journey!

As part of Deutsche Telekom Group, we offer not only a healthy work-life balance and international career opportunities, but also strong support for personal and professional development. We encourage performance, ambition, and growth, and provide a wide range of trainings, certifications, and e-learning programs to help you continuously develop your skills. At Deutsche Telekom Services Europe Slovakia, we are proud to be an equal opportunity employer.

We review all applications fairly, without discrimination based on race, color, religion, gender, sexual orientation, gender identity, nationality, citizenship, age, disability, health condition, marital status, or any other characteristic protected by law. We welcome candidates from all backgrounds and strive to create an inclusive, supportive, and empowering workplace where everyone can thrive.

Senior Data Scientist – NLP & AI in Bratislava

English (C1)
Technical
Bratislava
full-time
3 000 EUR/m

Benefits

Rewards & Security

Rewards & Security

Annual financial bonus, company shares, and Pension Contribution / third pillar of the pension system.

Flexibility

Flexibility

Hybrid working model (2 days in the office) and flexible working hours.

Extra day OFF

Extra day OFF

Up to 5 “My Days”, plus special paid leaves (marriage/partnership, first school day, extended paternity leave, official matters for foreigners).

Technology & Discounts

Technology & Discounts

Company mobile phone and laptop, 50% discount at Slovak Telekom.

Cafeteria, Meals & Wellbeing

Cafeteria, Meals & Wellbeing

Meal vouchers (6,50€/day), Cafeteria Plan, Multisport Card, Online consultations via mojra.sk. , Alza, Metro and other discounts.

Learning & Growth

Learning & Growth

Language courses, Training and qualifications via our platforms, Career Development Paths.

Community & Team Spirit

Community & Team Spirit

Involvement in charity initiatives (flea markets, volunteering, food collections). Brunches, Health Day, summer celebrations, and holiday parties. Relocation package for international hires.

Are you interested in this position?

Fill out the form and join our team.