Backend developer (remoto - España)
Core
Backend developer building scalable applications and implementing RAG strategies for AI services.
Role type
Senior Backend Developer (RAG & AI)
Builds
Scalable backend applications and AI-driven services
Domain
Software development, Artificial Intelligence, Cloud Infrastructure
Deliverable
production ML models | product features
Required skills
Node.js, TypeScript, RAG strategies (chunking, embeddings, reranking), Vector databases (Pinecone, Milvus, Weaviate, Qdrant), SQL (PostgreSQL/MySQL), NoSQL (MongoDB/Redis), Cloud platforms (AWS, GCP, Azure), Docker, Kubernetes
Preferred skills
PHP (Laravel/Symfony), Python (Data Science/scripting)
Technologies
Node.js, TypeScript, Pinecone, Milvus, Weaviate, Qdrant, PostgreSQL, MySQL, MongoDB, Redis, AWS, Google Cloud, Azure, Docker, Kubernetes, Laravel, Symfony
Responsibilities
Develop scalable backend applications using Node.js and TypeScript, implement RAG strategies including chunking and reranking, manage vector and traditional databases, deploy and maintain services on cloud platforms using containers
Seniority
Senior, hands-on IC