When South Park Commons , a group of tens of engineers in San Francisco’s South Park neighborhood, came collectively, it principally flew beneath the radar, save for a New York Times profile in 2017, a year after it was shaped. Fast forward and SPC — which went on to lift a $55 million venture fund in 2018 to again initiatives born by community members — says the experiment is working. The next-generation cloud database developer raised $278 million in a Series F round, capital the corporate will use to speed up product improvement and market expansion. Flash storage continues to…