Backend Ai Engineer, Barcelona

Backend AI engineerAbout the RoleWe are looking for a Senior AI Engineer to join a growing team focused on building and deploying cutting-edge AI solutions in production environments.This role combines software engineering, cloud development, and Generative AI, requiring a hands-on professional capable of designing, developing, deploying, and maintaining end-to-end AI-powered applications.You will work closely with AI Engineers, Data Scientists, and Front-End Developers to build scalable and reliable solutions leveraging Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and cloud-native Azure services.Key Responsibilities- Design, develop, and maintain scalable backend services and APIs using Python.- Build and deploy enterprise-grade AI solutions on Microsoft Azure.- Integrate Large Language Models (LLMs) and Generative AI capabilities into production applications.- Design and implement Retrieval-Augmented Generation (RAG) architectures.- Develop prompt engineering strategies and optimize LLM interactions for business use cases.- Build intelligent document processing solutions leveraging LLMs and AI services.- Integrate capabilities such as semantic search, document understanding, speech-to-text, and AI agents.- Collaborate with cross-functional teams to ensure seamless integration of AI services and applications.- Monitor performance, troubleshoot production issues, and continuously improve solution reliability and scalability.- Contribute to technical architecture decisions and challenge existing implementations to improve code quality and maintainability.- Stay up to date with emerging trends and innovations in Generative AI, LLMs, and AI engineering.Required Experience SkillsTechnical Skills- Strong software engineering background with extensive experience in Python.- Experience developing backend applications, microservices, and REST APIs.- Proven experience working with Large Language Models (LLMs) and Generative AI solutions.- Hands-on experience with Prompt Engineering beyond basic prompt creation.- Experience designing and implementing Retrieval-Augmented Generation (RAG) solutions.- Knowledge of NLP concepts such as embeddings, semantic search, document understanding, and entity extraction.- Experience deploying and managing cloud solutions on Microsoft Azure.- Understanding of AI solution lifecycle, deployment, monitoring, and optimization.Nice to Have- LangChain, LlamaIndex, Semantic Kernel, or similar AI orchestration frameworks.- Intelligent Document Processing (IDP).- OCR and document extraction technologies.- Speech-to-Text solutions.- AI Agents and agentic workflows.- Node.js development experience.- Microsoft Bot Framework.- Docker and containerized deployments.- CI/CD and DevOps practices.Interested in learning more?Wed love to hear from you.Reach out and lets schedule a conversation to discuss the opportunity.Python, Azure, LLMs, Generative AI

Technical Skills

• Strong software engineering background with extensive experience in Python.
• Experience developing backend applications, microservices, and REST APIs.
• Proven experience working with Large Language Models (LLMs) and Generative AI solutions.
• Hands-on experience with Prompt Engineering beyond basic prompt creation.
• Experience designing and implementing Retrieval-Augmented Generation (RAG) solutions.
• Knowledge of NLP concepts such as embeddings, semantic search, document understanding, and entity extraction.
• Experience deploying and managing cloud solutions on Microsoft Azure.

• Understanding of AI solution lifecycle, deployment, monitoring, and optimization. Nice to Have

• LangChain, LlamaIndex, Semantic Kernel, or similar AI orchestration frameworks.
• Intelligent Document Processing (IDP).
• OCR and document extraction technologies.
• Speech-to-Text solutions.
• AI Agents and agentic workflows.
• Node.js development experience.
• Microsoft Bot Framework.
• Docker and containerized deployments.
• CI/CD and DevOps practices. Interested in learning more? Wed love to hear from you. Reach out and lets schedule a conversation to discuss the opportunity. Python, Azure, LLMs, Generative AI