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Senior AI Engineer – GenAI Architecture and Development

Hybrid in Madrid·Added yesterday (last checked 3 Nov)

Tecdata Engineering

1659 open roles

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Our summary

Work mode: Hybrid, Madrid
Spanish: Fluent
English: Required
Experience: 5+ years

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Skills

Nice to have

This job advert was originally written in Spanish.

Requirements

What we're looking for

5+ years of experience in software, data, or ML.

3+ years developing LLM solutions in production.

Advanced Python, APIs, FastAPI, Pydantic, testing, and service design.

Real experience with RAG and agents (LangGraph or equivalent).

Model evaluation: golden sets, LLM-as-a-judge, grounding, and hallucinations.

Experience with Azure AI Foundry/OpenAI, AWS Bedrock, or Google Vertex AI.

Docker, Kubernetes, Terraform, and observability tools.

Security in LLM applications: OWASP, guardrails, and red teaming.

Fluent Spanish and professional English.

Nice to have

LangChain, MCP, A2A, Langfuse, and LangSmith.

Advanced RAG and vector databases: pgvector, Azure AI Search, OpenSearch, or Qdrant.

LiteLLM, vLLM, Ollama, and Hugging Face.

Fine-tuning with LoRA, OCR, and multimodal solutions.

MLflow, MLOps, and experience in regulated sectors.

Azure AI, AWS, or Google Cloud certifications.

The role

We are looking for a Senior AI Engineer with at least 5 years of experience in software, data, or ML, and a minimum of 3 years developing LLM solutions in production. You will be responsible for the design, development, and production deployment of generative AI, RAG, and agent solutions.

What you'll do

Design and implement applications based on LLM, RAG, and agents.

Integrate APIs, documentary sources, and business systems.

Define architectures, orchestration, permissions, and human oversight.

Design quality evaluations, detect regressions, and optimize latency and costs.

Implement observability, CI/CD, versioning, and security controls.

Protect applications against prompt injection, data exposure, and unauthorized actions.

Technically lead projects, review code, and mentor junior profiles.

Create reusable components and participate in PoCs and AI projects.

About Tecdata Engineering

Tecdata Engineering (TECDATA ENGINEERING) is a technology consulting and services provider specialized in global technology projects, with a portfolio covering custom software development, legacy modernization, managed services, cloud infrastructure, Salesforce, cybersecurity (including SOC, pentesting and NIS2 compliance), and data & AI services, alongside IT talent services such as headhunting and staff augmentation. The company reports being founded in 2012 with around 500 employees ("Compañeros 500") and 5M in billing, and forms part of a broader technology consulting group with more than 550 consultants across 5 countries. It states it is present in major economic sectors including banking, telecommunications, and insurance.

In Spain, Tecdata Engineering hires across multiple locations including Madrid, Barcelona, and Bilbao, with a significant share of openings marked "Completamente remoto" (fully remote) or hybrid. Its careers portal organizes vacancies into departments such as Desarrollo y QA, Ciberseguridad, Cloud, DevOps, Sistemas y Producción, Gestión de Proyectos, Comercial, and RRHH, and current openings range from COBOL and mainframe-adjacent banking roles to data engineering, Salesforce, SAP, cybersecurity, and air traffic management QA. For international professionals considering a move to Spain, the volume of remote-eligible roles across the country is notable, though the company's careers and website content is published in Spanish.

Industry: IT Services
Founded: 2012
Employees: 500

Good to know if you are moving

Many openings are advertised as fully remote within Spain, e.g. "Senior Data Scientist – GCP Madrid · Completamente remoto" and "ML ENGINEER Madrid · Completamente remoto".
Hiring activity in Spain includes Madrid, Barcelona, and Bilbao, with hybrid and on-site arrangements depending on the role.
The company reports around 500 employees ("Compañeros 500") and was founded in 2012.
It is part of a technology consulting group with more than 550 consultants operating in 5 countries.
Its client sectors include banking, telecommunications, and insurance, so many roles involve regulated, enterprise-grade environments.

All open roles at Tecdata Engineering