AI SERVICES – Senior Staff Python Engineer for LLM /BA/

Deutsche Telekom Services Europe is an internal services provider of Deutsche Telekom, one of the world's leading integrated telecommunications companies. Our shared mission is to put priority on customer satisfaction, quality and innovations in areas of finance and procurement services. We are on our way to become industry's top service company and we want you to be a part of the success story! 

Apply now and design with us the world of tomorrow.


AI SERVICES – Senior Staff Python Engineer for LLM /BA/

English (C1)
Technical
Bratislava
full-time
3 500 EUR/m

Your responsibilities will include:

Which challenges are expecting you:
• You will be responsible to improve our backends for LLM-backed agent applications such as our Chatbots in Python.
• You will foster the customer experience by stabilizing and improving the existing solution (better visualization, automated validations, enable function calling and agent actions.)
• You will be responsible for identification and implementing upcoming, new business requirements
• 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
• Participate in team brainstorming sessions, code reviews, and pair programming sessions
• 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).

What we expect from you:

Your skills:
• At least 8 years profound experience in building and operating production-grade software using Python programming language, preferably including the use of frameworks like FastAPI, pydantic and data science libraries
• Furthermore, knowledge in LLM frameworks such as LangChain, LLamaIndex and the client APIs of Azure and OpenAI completes your profile. Ideally, you have already built a production-ready solution involving those APIs.
• Practical experience in working with relational database systems like Postgres, in-memory databases like Redis and as well as document-based databases like Elasticsearch & MongoDB is more than welcome
• You can provide references for RESTful APIs and web service applications you have built and operated on a production level
• 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.
• You are flexible and comfortable with changing work patterns and demands and you prefer working agile (e.g. following methodologies like XP, Scrum, Lean)
• Collaboration with our customers is key, so you master the challenge to explain complex architectures and technologies in a language easy to understand and you know how to demonstrate solution approaches and results
• Actively mentoring more junior personell and sharing your knowledge on software development lifecycle and best practices with them
• fluent written and spoken English.


Nice to have:
• German language skills
• Prompt Engineering: Understanding how to optimize prompts for LLM models
• Familarity with MLOps or AI Workflow Orchestration Tools such as MLflow or Dagster
• Domain-Specific Experience in Telco or Finance industries


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.

AI SERVICES – Senior Staff Python Engineer for LLM /BA/

English (C1)
Technical
Bratislava
full-time
3 500 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.