Piston Technologies, a San Francisco-based fintech company, aims to raise $10-12 million in Series A funding by June 2025 to expand its operations in the US. Recently, it secured $1.2 million in early-stage investment from Pear VC. COO and founder Shivam Shah stated the goal is to grow responsibly and enhance B2B payment experiences with their QR-based technology. The funding will support market expansion and development of sales, engineering, and R&D teams, with plans to increase staff in Kolkata from 25 to 500 by 2026, while maintaining India as the hub for development and support.