Existing shareholders including Softbank, Telstra and American Express returned to back the e-commerce platform's $30m series E round, which was led by GGV Capital.

US-based e-commerce platform developer BigCommerce picked up $30m in series E funding on Tuesday from a consortium featuring telecommunications firms Telstra and Softbank and payment services provider American Express.

The corporates invested through their respective investment vehicles Telstra Ventures, Softbank Capital and American Express Ventures. GGV Capital led the round, which included General Catalyst Partners, Revolution Growth, Tenaya Capital, Split Rock, Floodgate and angel investor Stephan Schambach.

BigCommerce operates a cloud-based platform that enables small and medium-sized enterprises as well…