How to allow direct file uploads from JavaScript to Amazon S3 signed by Python | Phil Freo – Product & Engineering LeaderI'm Director of Engineering & Product at Close. I'm interested in startups, programming, UX, SaaS, and building great web products. More about me. On Close.io we originally implemented Filepicker.io to allow for file uploads while sending emails. While it was a quick way to get started with file uploading initially, after several minutes of downtime of their API and then an unannounced change in t
