Deutsche Telekom IT Solutions Hungary, the Hungarian subsidiary of Deutsche Telekom Group, is seeking an ambitious AI professional who is fluent in English and German to join our growing team in Hungary. The role focuses on delivering industry-leading digital experiences by developing modern AI-based solutions and building robust infrastructures in cloud and on-premise environments. You will design, develop and deploy complex AI applications, including chatbots and LLM-based systems, leveraging RAG techniques and cutting-edge AI technologies. Responsibilities include developing RAG-based solutions using Python/LangChain or Java/Spring AI, integrating open-source LLMs into client systems in cloud and on-premise environments (Kubernetes), and collaborating with international development teams and German colleagues. The position supports remote work with modern collaboration tools (such as Microsoft Teams) and occasional travel. Requirements include several years of experience in AI application and enterprise software development, strong Python or Java/Spring AI development skills, hands-on experience with active LLM and RAG solutions (LangChain, LangGraph, LangSmith or Spring AI), deep knowledge of LLM APIs, prompt engineering, embeddings, semantic search, data ingestion processes and model integration, experience with relational and vector databases (especially PostgreSQL and pgvector), familiarity with agent-based systems, tool calling, MCP and multi-agent architectures, knowledge of security, data privacy, compliance, monitoring and production operations, and excellent ana

Deutsche Telekom IT Solutions Hungary, the Hungarian subsidiary of Deutsche Telekom Group, is seeking an ambitious AI professional who is fluent in English and German to join our growing team in Hungary. The role focuses on delivering industry-leading digital experiences by developing modern AI-based solutions and building robust infrastructures in cloud and on-premise environments. You will design, develop and deploy complex AI applications, including chatbots and LLM-based systems, leveraging RAG techniques and cutting-edge AI technologies. Responsibilities include developing RAG-based solutions using Python/LangChain or Java/Spring AI, integrating open-source LLMs into client systems in cloud and on-premise environments (Kubernetes), and collaborating with international development teams and German colleagues. The position supports remote work with modern collaboration tools (such as Microsoft Teams) and occasional travel. Requirements include several years of experience in AI application and enterprise software development, strong Python or Java/Spring AI development skills, hands-on experience with active LLM and RAG solutions (LangChain, LangGraph, LangSmith or Spring AI), deep knowledge of LLM APIs, prompt engineering, embeddings, semantic search, data ingestion processes and model integration, experience with relational and vector databases (especially PostgreSQL and pgvector), familiarity with agent-based systems, tool calling, MCP and multi-agent architectures, knowledge of security, data privacy, compliance, monitoring and production operations, and excellent ana