Umer Sharif

Great Experience on Contra providing services to good clients.

From ACH to Card Payments: Building Scalable Payment Systems for US Businesses

Over the past few years, I’ve worked closely with US-based businesses to design and implement secure, scalable payment systems across ACH, online card payments, and card-present (terminal)...

How I Help Businesses Build Reliable Payment Systems with NMI (ACH, Card & Recurring Billing)

Most businesses don’t struggle with getting customers — they struggle with what happens after the payment is initiated.

Failed subscriptions, ACH returns, broken recurring billing,...