Build a Secure Fintech Platform for Payment Processing (PSP)

We are looking for an experienced fintech developer or agency to help us build a Payment Service Provider (PSP) platform to process secure online payments. This platform should enable businesses to accept payments from customers securely and efficiently through various methods (credit cards, e-wallets, bank transfers, upi). We require integration with popular payment gateways (Visa, MasterCard, PayPal, Stripe kind of 3rd party) and full compliance with PCI-DSS standards.

Core Features:

Authentication: KYC verification, multi-factor authentication.

Payment Gateway Integration: Visa, MasterCard, BankTransfer, UPI like 3rd party providers.

Transaction Management: Real-time transaction tracking, reporting.

Security: Data encryption, fraud prevention, compliance with PCI-DSS.

Admin Dashboard: Manage payments, users, transaction history, reports.

API Integrations: For e-commerce platforms, accounting software, and others.

Technology Preferences:

Backend: .Net / Java

Frontend: Angular / Vue

Database: PostgreSQL, SQL, or MongoDB

Security: SSL/TLS encryption, 3D Secure, PCI DSS compliance

Cloud Hosting: AWS, Azure, or Google Cloud

Required Skills:

Proven experience in building secure payment platforms

In-depth knowledge of payment gateways, API integration, and compliance standards (PCI DSS, GDPR)

Experience with encryption and secure data transmission

Full-stack development experience required