Codurance is seeking a Contractor Fullstack Developer to join their team in a remote capacity, with the option to work from either Barcelona or Madrid, Spain. The role emphasizes software craftsmanship and engineering excellence, requiring strong expertise in both frontend and backend development. The ideal candidate should be well-versed in modern software development practices including Test-Driven Development (TDD), pair programming, and continuous integration/deployment. They should also have a solid understanding of SOLID principles and Agile methodologies. This position offers the opportunity to work with a company that values software craftsmanship and maintains high standards in software development practices. The role requires candidates to either be based in Spain or willing to relocate, with proper work documentation being a prerequisite.