Lead AI Engineer

3 days ago

Budapest, Budapest, Hungary Deutsche Telekom IT Solutions HU Full time €90,000 - €120,000 per year

Company Description
As Hungary's most attractive employer in 2025 (according to Randstad's representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries. DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

Job Description
We are seeking a talented AI/LLM Engineer to join our AI Foundation Services team. In this role, you'll develop secure and compliant AI solutions, focusing on delivering foundational services like large language models (LLMs), retrieval-augmented generation (RAG), and custom AI solutions for industries like healthcare, public sector, and automotive.

You'll help shape T-Systems' AI products to meet the security and regulatory needs of European enterprises, with a focus on practical, scalable solutions.

  • Design, develop, and implement end to end AI systems, particularly focusing on large language models (LLMs).
  • Collaborate with cross-functional teams to integrate AI solutions into existing systems and processes.
  • Conduct research to explore new techniques and technologies in AI and machine learning.
  • Analyze large datasets to identify trends and insights that inform model development.
  • Continuously monitor and improve model performance to ensure accuracy and efficiency.
  • Communicate technical concepts effectively to both technical and non-technical stakeholders.

Qualifications
Qualifications

  • Education in Computer Science, Machine Learning, or a related field.
  • Excellent problem-solving skills and attention to detail.
  • Proficiency in Python and strong programming skills.
  • Experience with LLMs and AI frameworks: Transformers, Pytorch / Tensorflow as well as RAG frameworks: Llama-index / LangChain.
  • Ability to integrate new functional AI systems with APIs, low latency backends and production deployment.
  • Quickly grasp new AI concepts from papers and blogs, conduct experiments, and propose system improvements.
  • Excellent communication skills in English, both written and verbal.

Preferred Skills

  • Have experiences on working with distributed HPC clusters: Ray, Kubernetes, Docker.
  • Experience with fine-tuning LLM / Embed for downstream tasks.
  • Experience with building, evaluating RAG systems.

Additional Information

  • Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.

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