Pros
Modern office space, free lunches. Nice employees - mainly.
Cons
Unfortunately like many startups, ZeroAvia may have a good idea and technology, but they lack the knowhow, culture and rigour to ever make it market. Certification is all you'll ever hear at ZeroAvia but senior management actually don't know what certification means, they think it's some certificate they'll get for demonstrating a plane flying around the Cotswolds. There is a severe lack of systems/safety thinking and therefore rigorous engineering culture. And without it, there is zero chance this product ever achieves certification. I've watched on as multiple systems engineers have tried and failed to get the project moving in the right direction with processes, plans and methods only to get shouted at and spoken down to. And after 3 years, I too have had enough. They still advertise systems engineering roles on their website but they don't have the first idea about what the discipline is. In a few years, when the company inevitably implodes, I'll sit and laugh at the LinkedIn posts about what a fantastic company and project it was and how they had "amazing" technology but just fell short due to financial constraints - and I'll have a good chuckle. Because the writing has been on the wall for years to anyone who actually knows what they're doing.