I will build your fintech payment system

H
hammadhassan061
H
hammadhassan061
Hammad H

About this gig

Custom Fintech Solutions Built for Scale, Security, and Speed!


I help fintech companies accelerate development with custom-built modules tailored for real-world financial applications.


Features:

- A multi-currency wallet system

- Crypto on-ramp & off-ramp

- Solana, ETH, Swaps

- Payment gateways, Payouts

- Core-banking integration

- Auth/SSO

- KYC/KYB

- Compliace module

- Mobile-friendly

- AML/Fraud detection

- Transfers and transactions

- Categorisation engine

- Fees management

- Custom AI support chat

- Dashboard and admin panel



Technical Highlights:

1) Authentication Module. Secure login flows via email, SMS. OTP/MFA/JWT

2) Immutable Ledger. Track balances and transactions with append-only logic, audit-ready compliance

3) Payment Gateways. Stripe, PayPal, or custom APIs for deposits, withdrawals, and transaction reconciliation

4) Domain Features. KYC/KYB, AML, Fraud Detection, Automated flows, and modular rule engines

5) API-First Architecture. REST/ OpenAPI / GraphQL support

6) Enterprise-Grade Security. Token-based auth, least privilege IAM, encrypted data at rest and in transit

7) Scalable by Design. Serverless-first architecture


Get to know Hammad H

Hammad H

Software Engineer

  • FromPakistan
  • Member sinceFeb 2026
  • Languages

    English, Japanese
I am a software engineer with 3 year of experience in developing and optimizing backend services for large scale payment processing systems. I have implemented batch processing pipelines and built deep learning and agentic models for streamline processing and automation.