Usability Testing Projects
API integration for payment and invoices #90
Budget: $75-1575
| Bids: 2
| Average Bid: $1350
| Posted: April 19, 2026
Need a backend developer to integrate payment processing and invoice generation into our platform. with strong communication and weekly progress updates Please include relevant portfolio samples, estimated delivery timeline, and your fixed or hourly pricing approach. Preference will be given to freelancers with good communication and experience..