I have joined a few startups and architected a few as well. I currently love one of the following two stacks, depending on the need: GoLang -> Postgres -> Reac

I have joined a few startups and architected a few as well. I currently love one of the following two stacks, depending on the need: GoLang -> Postgres -> React Meteor -> MongoDB -> Blaze Of course, most of those are interchangeable. We use Redis for caching, Docker/Ansible for deploy, etc.