If you are looking to professionally build and maintain Lingk recipes, Lingk has provided a free certification course that can get you up to speed on the skills you need.
A successful completion of this course makes you a Lingk Certified Developer (LCD) - a technology professional who possesses the platform-specific skills and overall technology acumen to develop and maintain integrations between disparate on-premise and cloud-based systems using Lingk. As an LCD, you know how to translate business processes and requirements into data integration and data transformation operations (“Recipes”) within the Lingk Platform to support clients in a sustainable and scalable manner.
The free-to-get certification is available on the certification portal.