Senior AI Engineer - LLM Specialist in Castilla y León, Spain

Further Details

Grupo TECDATA Engineering, represented by JR Spain, is actively recruiting for a Senior AI Engineer specializing in LLMs, based in the Castilla y León region of Spain. This role is geared towards experienced professionals with a robust background in software engineering and AI, particularly in the practical application of Large Language Models. This position represents excellent Grupo TECDATA Engineering jobs Castilla y León in the region. The position involves developing, deploying, and optimizing advanced AI solutions, making it a prime career opportunity for those seeking challenging roles in a dynamic tech environment. Explore these private sector careers with competitive benefits. The ideal applicant will have a substantial history of work with LLM architectures, RAG, and AI agents, coupled with strong Python and cloud platform expertise (Azure, AWS, Google). This role offers the chance to work with cutting-edge AI technologies and contribute to innovative projects, enhancing both personal and professional growth within the artificial intelligence sector. Join a team dedicated to pushing the boundaries of AI and machine learning in Spain.

Senior AI Engineer – LLM Specialist in Spain

Grupo TECDATA Engineering, represented by JR Spain, is actively seeking a highly skilled Senior AI Engineer with specialized expertise in Large Language Models (LLMs) to join their team in Castilla y León, Spain. Additionally, vacancies are available for qualified candidates. This is an exceptional career opportunity for seasoned professionals with a proven track record in AI development and deployment. The role emphasizes hands-on experience with cutting-edge LLM technologies and cloud-based solutions, offering a dynamic environment for innovation and professional growth. If you are passionate about shaping the future of artificial intelligence, this position offers the chance to work on impactful projects.

This position is ideal for individuals with a minimum of 5 years in software development, data science, or Machine Learning, including at least 3 years dedicated to developing and implementing LLM solutions. The successful candidate will leverage their expertise in Python, API development, and cloud platforms like Azure, AWS, or Google to drive AI initiatives. We are looking for a proactive problem-solver who can optimize AI models for performance, security, and cost-effectiveness. Explore exciting career prospects and contribute to advancements in AI engineering with this prominent opportunity.

• Job Title: Senior AI Engineer – LLM
• Location: Castilla y León, Spain
• Company: Grupo TECDATA Engineering
• Experience Required: 5+ years (3+ in LLM development)
• Key Skills: Python, LLM, RAG, AI Agents, Cloud Platforms (Azure, AWS, Google), FastAPI, Pydantic, Docker, Kubernetes

Successful candidates will benefit from these professional growth.

Skills

• - Minimum 5 years of experience in software development, data science, or Machine Learning
• - At least 3 years of experience developing and deploying LLM-based solutions
• - Proficient in Python
• - Experience in API development, service design, testing, and code validation
• - Practical experience implementing RAG and AI agents
• - Familiarity with frameworks like LangGraph
• - Knowledge of FastAPI, Pydantic, and structured data output
• - Expertise in automated testing
• - Experience evaluating model response quality, detecting hallucinations, and optimizing for latency, cost, reliability, and security
• - Experience with cloud platforms like Azure AI Foundry/Azure OpenAI, AWS Bedrock, or Google Vertex AI
• - Knowledge of Docker, Kubernetes, and Terraform
• - Familiarity with observability tools such as OpenTelemetry, Langfuse, or LangSmith
• - Experience in LLM application security, including guardrails, red teaming, OWASP Top 10 for LLM Applications, and identity/secret management for agents

Duties and Responsibilities:

• - Develop and deploy advanced LLM-based solutions
• - Design and implement robust APIs and services
• - Conduct rigorous testing and validation of code
• - Implement Retrieval-Augmented Generation (RAG) systems and AI agents
• - Optimize LLM performance for latency, cost, reliability, and security
• - Evaluate and improve the quality of model responses
• - Utilize cloud platforms and services for AI development
• - Ensure the security of LLM applications

How to apply

• Application Process: Interested candidates are encouraged to apply directly through the Eurojobs platform.

• Required Documents: Ensure your Curriculum Vitae (CV) is up-to-date and highlights your experience with LLMs, Python, and relevant cloud technologies.

• Online Application: Navigate to the job listing on Eurojobs and click on the 'Apply Now' button.

• Submission Deadline: All applications must be submitted by the closing date of 18 December 2026 to be considered.

• Link: Use the provided application link to initiate your submission: https://eurojobs.com/jobs/36961332/apply

• Further Information: For any queries regarding the application process, please refer to the Eurojobs website or contact the hiring team via the provided channels if available.