Senior AI Engineer - LLM Expert - Andalucia, Spain

Further Details

Grupo TECDATA Engineering, through JR Spain, is actively recruiting for a Senior AI Engineer proficient in LLM technologies to join their team in Andalucia, Spain. This position represents excellent employment in the region. This position is within the private sector and requires a substantial background, including a minimum of five years in software development, data, or machine learning, with at least three years focused on bringing LLM-based applications to production. The role emphasizes strong Python skills, API development, and robust service design, coupled with a commitment to code quality through comprehensive testing and validation. Key responsibilities include the practical application of Retrieval-Augmented Generation (RAG) techniques and AI agents, utilizing frameworks such as LangGraph. Proficiency with tools like FastAPI, Pydantic, and structured data handling, alongside experience in automated testing, is crucial. The engineer will be instrumental in assessing model performance, addressing issues like hallucinations and regressions, and optimizing AI solutions for speed, cost, reliability, and security. Familiarity with major cloud AI platforms and DevOps tools is highly valued.

Senior AI Engineer - LLM Expert - Andalucia, Spain

JR Spain, representing Grupo TECDATA Engineering, is actively seeking a seasoned Senior AI Engineer to spearhead projects involving Large Language Models (LLMs) in Andalucia, Spain. This private sector role is ideal for professionals with a substantial background of over five years in software development, data science, or machine learning, specifically including at least three years dedicated to bringing LLM-based solutions to production. The position requires a strong foundation in Python, API development, service design, and meticulous code validation through testing. Candidates will be instrumental in implementing cutting-edge AI concepts like RAG and AI agents.

This role demands expertise in frameworks such as LangGraph and a thorough understanding of tools like FastAPI and Pydantic. The successful applicant will excel in assessing model quality, identifying and mitigating issues like hallucinations and regressions, and optimizing AI systems for performance, cost-effectiveness, and security. Experience with major cloud AI platforms like Azure AI Foundry/Azure OpenAI, AWS Bedrock, or Google Vertex AI is a key advantage, as is familiarity with containerization and observability tools. This is a prime opportunity for a skilled AI Engineer to contribute to innovative projects and advance their career in a dynamic technological landscape.

• Job Title: Senior AI Engineer – LLM
• Location: Andalucia, Spain
• Company: JR Spain Client / Employer: Grupo TECDATA Engineering
• Experience Required: 5+ years in software development, data, or ML; 3+ years in LLM solutions
• Key Technologies: Python, FastAPI, Pydantic, RAG, AI Agents, LangGraph, Cloud AI Platforms (Azure, AWS, Google)
• Closing Date: 18 December 2026

Skills

• Over 5 years of experience in software development, data, or machine learning
• At least 3 years developing and deploying LLM-based solutions into production
• Proficiency in Python
• Experience in API development
• Skill in designing services
• Proficiency in testing and code validation
• Practical experience implementing RAG solutions
• Experience with AI agents
• Familiarity with frameworks like LangGraph
• Knowledge of FastAPI
• Expertise in Pydantic
• Experience with structured typing and outputs
• Proficiency in automated testing
• Experience evaluating model response quality
• Ability to detect hallucinations and regressions in models
• Skills in optimizing latency, costs, reliability, and security of AI solutions
• Experience with model providers and cloud platforms (e.g., Azure AI Foundry/Azure OpenAI, AWS Bedrock, Google Vertex AI)
• Knowledge of Docker
• Knowledge of Kubernetes
• Knowledge of Terraform
• Familiarity with observability tools (e.g., OpenTelemetry, Langfuse, LangSmith)
• Experience in security for LLM-based applications
• Knowledge of guardrails for AI systems
• Experience with red teaming for security testing
• Understanding of OWASP Top 10 for LLM Applications
• Experience with identity and secret management for agents

Duties and Responsibilities:

• Develop and deploy advanced AI solutions leveraging LLMs
• Implement RAG techniques and AI agents
• Design and build robust APIs and services
• Conduct comprehensive testing and validation of code and solutions
• Evaluate and optimize the performance, cost, and security of AI models and applications
• Collaborate with cross-functional teams to integrate AI capabilities
• Stay abreast of the latest advancements in AI and LLM technologies

How to apply

Interested candidates are invited to submit their applications for the Senior AI Engineer position focusing on LLMs in Andalucia, Spain. Please follow these steps to ensure your application is considered:

• 💼 Prepare Your Application Documents: Ensure your CV and any relevant certificates are up-to-date and tailored to the job requirements.
• 🎯 Review Job Details: Carefully read the job description and ensure you meet all the specified experience and technical skill requirements.
• 🌐 Visit the Application Portal: Navigate to the official application link provided for this vacancy.
• 📝 Complete the Application Form: Fill out all sections of the online application form accurately and completely.
• 👉 Submit Your Application: Click the 'Apply Now' button to finalize your submission before the closing date.
• ⏳ Application Deadline: Ensure your application is submitted no later than 18 December 2026.

For direct application, please use the provided link.