Role: Senior Back-End Engineer (Node.js). Stage: Technical Interview.
Design a service that uploads a PDF and returns extracted JSON using third-party APIs
You need to build a service that allows your user to upload a PDF and returns a JSON with all data from this PDF. You are not working for an AI/Image-Recognition company. To help you, you have subscriptions to two third-party APIs: a Data extractor that receives a PDF file and a document type enumeration and returns the PDF data in JSON format, and a Type extractor that receives a PDF and returns the document type enumeration. From a high-level and abstract perspective, without mentioning vendor-specific solutions, what would your solution look like?
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