Job ID: 744 Senior AI Engineer (m/f/d)A Coruña, Bilbao, Gijón, Granada, Madrid, Reus, Seville, ValenciaProfessionalRegularT-Systems IberiaYour TaskWe are looking for a professional AI Engineer to participate in the construction and industrialization of business solutions based on generative artificial intelligence, RAG, intelligent agents, automation, integration with corporate systems and cloud services.

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Applications will be evaluated from all over the country, especially Seville, Granada, Tarragona, and Valencia where offices are located.

The work mode is hybrid with 2 days in office and 3 days teleworking.
ResponsibilitiesDesign, develop and integrate generative AI components into business solutionsImplement services, APIs, connectors and backend components to expose AI capabilitiesBuild pipelines for ingesting, normalizing, processing and preparing structured and unstructured dataImplement RAG solutions based on documentation, knowledge bases, historical data, documentary repositories and corporate sourcesWork with LLMs, embeddings, vector databases, semantic search engines and agent frameworksDesign and implement prompts, tools, workflows, agents and structured generation mechanismsIntegrate AI solutions with APIs, internal services, external services, corporate tools and legacy systemsParticipate in the development and termination of services using automatic code generation toolsImplement automations using APIs, scripts, runbooks, workflows, or RPA when applicableParticipate in the definition and implementation of quality metrics, evaluation of responses, technical tests and validation of resultsCollaborate with architects, cloud teams, development, operation,



security teams and functional stakeholdersParticipate in the continuous improvement of internal AI tools, accelerators, prompts, agents, pipelines and building blocksYour ProfileWe are looking for a professional AI Engineer with extensive experience in software development and generative artificial intelligence, including practical expertise in LLMs, RAG solutions, intelligent agents, and system integration, along with strong backend development skills.
Must Have SkillsMinimum 3 years of experience in software development and participation in the delivery of technological projectsPractical experience in generative AI solutions, LLMs, RAG, agents or intelligent automationKnowledge in LLMs, embeddings, vector databases, prompting, semantic retrieval and response evaluationExperience in backend development, APIs and system integrationStrong development knowledge in Java, .
NET, Python, Javascript/TypeScript or other business stacksExperience with GitHub, GitLab, Azure DevOps, or other version control and CI/CD toolsExperience integrating solutions with APIs, internal services, external services and corporate systemsNice to Have SkillsPython applied to AI, automation, data or integrationExperience with LangChain, LlamaIndex, Semantic Kernel, AutoGen, CrewAI or equivalent frameworksExperience with Azure AI, Azure OpenAI, Azure AI Search, OpenAI API, Anthropic, Vertex AI, open-source models,



or similar platformsExperience with vector databases: Qdrant, Weaviate, Milvus, Chroma, Pinecone, OpenSearch, Elasticsearch or othersExperience in NLP, classification, entity extraction, clustering, semantic matching or text miningExperience in automation using APIs, scripts, RPA, workflows, runbooks or orchestration toolsExperience in observability: logs, metrics, traces, health checks, dashboards or AIOpsExperience in cloud environments: Azure, AWS, GCPAbout UsT-Systems is part of the Deutsche Telekom group, with around 30,000 employees worldwide.

We create purposeful technology to generate a positive impact on society.

We are looking for curious talent, eager to learn, take on challenges and provide ideas that transform the experience of our clients.
We trust people:

we offer
autonomy, continuous support and a collaborative environment where we can grow without limits.

We are one integral team, guided by respect, integrity and a passion to do better every day.
BenefitsEnvironment and FlexibilityInternational, dynamic and collaborative environmentT-Social: social initiatives (sports, community, health)Hybrid work model (teleworking/face-to-face)Flexible schedule4 weeks of teleworking per yearProfessional DevelopmentTailor-made training: access to Coursera so you can learn what you want, when you wantWeekly language classes (English, Spanish and German)Global Mentoring Sessions and Experience DaysCompensation and BenefitsFlexible compensation plan (health insurance, restaurant tickets, day care, transportation)TelemedicineLife and accident insuranceSocial fundWellness and LeisureMore than 26 working days of vacation per yearFree access to specialists (health, wellness and legal advice)100% of the salary in c

📌 Senior AI Engineer (La Coruña)
🏢 Deutsche Telekom
📍 La Coruña