Fourvenues in Valencia/Madrid is seeking a Backend Software Engineer with 4+ years of experience. You will design and build modular backend solutions, applying Hexagonal Architecture and DDD to keep a clean separation between layers.
You’ll handle real-time sockets, RESTful APIs via Express, and data persistence across MongoDB, PostgreSQL, and Mongoose. Join a team delivering hybrid work with on-site presence in Valencia or Madrid, focusing on scalable architectures and high-quality tests.