Senior AI Engineer; m​/f​/d

Puesto: Senior AI Engineer (m/f/d)
Job r AI Engineer (m/f/d)
A Coruña, Bilbao, Gijón, Granada, Madrid, Reus, Seville, Valencia Professional Regular T-Systems Iberia Your Task We 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. 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.

Responsibilities Design, develop and integrate generative AI components into business solutions

Implement services, APIs, connectors and backend components to expose AI capabilities

Build pipelines for ingesting, normalizing, processing and preparing structured and unstructured data Implement RAG solutions based on documentation, knowledge bases, historical data, documentary repositories and corporate sources

Work with LLMs, embeddings, vector databases, semantic search engines and agent frameworks

Design and implement prompts, tools, workflows, agents and structured generation mechanisms

Integrate AI solutions with APIs, internal services, external services, corporate tools and legacy systems

Participate in the development and termination of services using automatic code generation tools

Implement automations using APIs, scripts, runbooks, workflows, or RPA when applicable

Participate in the definition and implementation of quality metrics, evaluation of responses, technical tests and validation of results

Collaborate with architects, cloud teams, development, operation, security teams and functional stakeholders

Participate in the continuous improvement of internal AI tools, accelerators, prompts, agents, pipelines and building blocks

Your Profile We 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 Skills Minimum 3 years of experience in software development and participation in the delivery of technological projects

Practical experience in generative AI solutions, LLMs, RAG, agents or intelligent automation

Knowledge in LLMs, embeddings, vector databases, prompting, semantic retrieval and response evaluation

Experience in backend development, APIs and system integration

Strong development knowledge in Java, .NET, Python, Java script/Type Script or other business stacks

Experience with Git Hub, Git Lab, Azure Dev Ops, or other version control and CI/CD tools

Experience integrating solutions with APIs, internal services, external services and corporate systems

Nice to Have Skills Python applied to AI, automation, data or integration

Experience with Lang Chain, Llama Index, Semantic Kernel, Auto Gen, CrewAI or equivalent frameworks

Experience with Azure AI, Azure OpenAI, Azure AI Search, OpenAI API, Anthropic, Vertex AI, open-source models, or similar platforms

Experience with vector databases:
Qdrant, Weaviate, Milvus, Chroma, Pinecone, Open Search, Elasticsearch or others

Experience in NLP, classification, entity extraction, clustering, semantic matching or text mining

Experience in automation using APIs, scripts, RPA, workflows, runbooks or orchestration tools

Experience 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…