Back-End Developer

Position: Back End DeveloperContract type: Freelance B2B.Contract Length: 6 months+ Ext.Location: 1 day a week on-site in Madrid and the rest remote.Languages: Spanish is Mandatory and English is a plus.Proficient in Node.js, Express, and related frameworks.Experience with Hexagonal ArchitectureStrong understanding of RESTful API design and implementation.Knowledge of SQL and NoSQL databasesFamiliarity with version control toolsExperience with testing frameworksUnderstanding of security best practices for backend systems.Experience with cloud platforms is a plus.
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