Expert AI Engineer (REF5708U)
Deutsche Telekom IT Solutions2 months ago
Budapest, HungarySenior
Responsibilities
- Develop complex AI solutions for clients, including chatbots, service bots, and LLM-based applications.
- Design and implement Retrieval-Augmented Generation solutions using Python/LangChain or Java/Spring AI.
- Integrate open-source LLMs into client systems in cloud and on-premise environments using Kubernetes.
- Design, develop, and prepare AI applications for production operation.
- Build agent-based systems, tool-calling workflows, MCP integrations, and multi-agent architectures.
- Collaborate with international development teams and colleagues in Germany.
- Work remotely using modern collaboration tools, with occasional travel.
Requirements
- Several years of experience developing AI applications and enterprise software.
- Advanced Python knowledge or experience developing with Java and Spring AI.
- Practical experience developing production LLM and RAG solutions, including technologies such as LangChain, LangGraph, LangSmith, or Spring AI.
- Strong knowledge of LLM APIs, prompt engineering, embeddings, semantic search, data-ingestion pipelines, and model integration.
- Experience with relational and vector databases, particularly PostgreSQL and pgvector.
- Experience with agent-based systems, tool calling, MCP, and multi-agent architectures.
- Knowledge of security, data protection, compliance, monitoring, and production operations.
- Excellent analytical, communication, and stakeholder-management skills.
- C1-level English proficiency.
- Preferred experience with Azure, Azure OpenAI, OpenAI API, or other cloud AI platforms.
- Preferred practical knowledge of Docker, Kubernetes, GitLab, and CI/CD environments.
- Preferred DevOps and LLMOps experience, including observability, tracing, and evaluation of LLM applications.
- Preferred knowledge of monitoring tools such as LangSmith, OpenTelemetry, Prometheus, or Grafana.
- An IT or software-development higher-education degree is preferred.
- Preferred experience with n8n workflow and automation platforms.
- Preferred knowledge of Pinecone, Weaviate, Qdrant, Elasticsearch, or OpenSearch.
- Preferred web-development experience with Java/Spring Boot, TypeScript, Angular, React, or Vue.
Benefits
- Work on innovative AI-powered enterprise solutions using modern technologies and leading LLM ecosystems.
- International projects and close collaboration with foreign experts.
- Remote work and a flexible, collaborative working environment; remote work is available only within Hungary due to European taxation regulations.
- Long-term professional development in generative artificial intelligence.
- Occasional travel may be required.
Tech Stack
AngularAzureDockerElasticsearchGrafanaJavaKubernetesPostgreSQLPrometheusPythonReactSpring BootTypeScriptVue.js
Categories
About Deutsche Telekom IT Solutions
Deutsche Telekom IT Solutions is the Hungarian IT services arm of Deutsche Telekom, founded in 2006 and headquartered in Budapest. It delivers managed IT operations, cloud and DevOps services, application support, and system integration for Deutsche Telekom units and enterprise customers across Europe. The company operates from four sites—Budapest, Debrecen, Pécs, and Szeged—supporting large-scale infrastructure, CI/CD pipelines, and containerized workloads on platforms such as Kubernetes and T-Cloud Public.