Job ID: 744000159579274

Senior 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, Javascript/TypeScript or other business stacks
- Experience with GitHub, GitLab, Azure DevOps, 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 LangChain, LlamaIndex, Semantic Kernel, AutoGen, 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, OpenSearch, 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 AIOps
- Experience in cloud environments: Azure, AWS, GCP

About Us

T-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 global team, guided by respect, integrity and a passion to do better every day.

Benefits

Environment and Flexibility

- International, dynamic and collaborative environment
- T-Social: social initiatives (sports, community, health)
- Hybrid work model (teleworking/face-to-face)
- Versátil schedule
- 4 weeks of teleworking per year

Professional Development

- Tailor-made training: access to Coursera so you can learn what you want, when you want
- Weekly language classes (English, Spanish and German)
- Global Mentoring Sessions and Experience Days

Compensation and Benefits

- Flexible compensation plan (health insurance, restaurant tickets, day care, transportation)
- Telemedicine
- Life and accident insurance
- Social fund

Wellness and Leisure

- More than 26 working days of vacation per year
- Free access to specialists (health, wellness and legal advice)
- 100% of the salary in case of medical leave

Application Information

If you are looking for a new challenge, do not hesitate to send us your CV. Join our team!

T-Systems Iberia will only process the CVs of applications that meet the requirements specified for each offer.

Job Benefits

Professional Development

- Tailor-made training: access to Coursera
- Weekly language classes (English, Spanish and German)
- Global Mentoring Sessions and Experience Days

Lifestyle & Wellness

- T-Social: social initiatives (sports, community, health)
- Free access to specialists (health, wellness and legal advice)
- Social fund

Work-Life Balance

- Hybrid work model (2 office + 3 teleworking)
- Flexible schedule
- 4 weeks of teleworking per year
- More than 26 working days of vacation per year

Health & Insurance

- Flexible compensation plan (health insurance, restaurant tickets, day care, transportation)
- Telemedicine
- Life and accident insurance
- 100% of the salary in case of medical leave

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