It’s 2019, and Hubstaff’s engineering team is sketching out plans for their new webhook system. The new system needs to handle millions of events and work reliably at scale. The safe choice would be to stick with their trusty Ruby on Rails stack – after all, it had served them well so far. But that’s not the path they chose. About Hubstaff Hubstaff helps distributed teams track time and manage their workforce. With 500,000+ active users across 112,000+ businesses, they needed their sy...