Netflix Tech Blog: https://netflixtechblog.com/

ByteByteGo System Design: https://blog.bytebytego.com/

Engineering at Meta: https://engineering.fb.com/

Twitter Engineering: https://blog.twitter.com/engineering/en_us/topics/insights

Spotify Engineering: https://engineering.atspotify.com/

Github Engineering: https://github.blog/category/engineering/

Lyft Engineering: https://eng.lyft.com/tagged/mobile

Uber Engineering: https://eng.uber.com/