Job Summary: We are looking for an AI Engineer with experience in developing generative artificial intelligence solutions, capable of designing and implementing end-to-end systems based on LLMs and RAG architectures. Key Highlights: 1. Design and implement end-to-end AI solutions. 2. Develop and deploy RAG agents and pipelines. 3. Diverse and technologically cutting-edge AI projects. AI Engineer We are seeking an AI Engineer with experience in developing generative artificial intelligence solutions, capable of designing and implementing end\-to\-end systems based on LLMs, RAG architectures, and integration with APIs and cloud services. What You’ll Do: Design and implement end\-to\-end AI solutions. Develop and deploy RAG (Retrieval\-Augmented Generation) agents and pipelines. Integrate large language models (LLMs) with third-party systems and APIs. Build robust microservices and backends using Python and Go (Golang). What We’re Looking For: **Mandatory:** Advanced Python for AI and ML solution development. **Experience with LLM APIs:** OpenAI, Anthropic (Claude), Mistral, etc. Implementation of RAG architectures and vector databases (Pinecone, Chroma, Weaviate...). Go (Golang) for developing high-performance microservices and backends. REST APIs and integration with external systems. Model deployment in the cloud. Bachelor’s degree in Computer Science, Mathematics, Engineering or related field. **Preferred:** Fine\-tuning of language models. Ability to communicate effectively with clients and business orientation. Combined experience with Python (AI/ML) \+ Go (backend/infrastructure). What We Offer: Join a young, dynamic, and rapidly growing team. Diverse and technologically cutting-edge AI projects. **Hybrid model:** office in Barcelona \+ remote work. Competitive salary based on experience and profile. Collaborative work environment with autonomy and real responsibility. Python, Go Golang , LLM, OpenAI API, Anthropic Claude , Mistral, RAG, Pinecone, Chroma, Weaviate, REST APIs, microservices