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Digital Payments Platform — High-Level Architecture

Microservice-based payment routing, orchestration, authentication, and event-driven settlement.

Technologies

JavaSpring BootKafkaKubernetesAPI GatewayPostgres

Overview

The Digital Payments Platform processes high-volume wallet and card transactions through an orchestrated microservices stack.
It supports multi-provider routing, fraud checks, tokenization, and real-time status tracking.

Designed for telecom and fintech-grade throughput, the platform handles millions of payment requests daily.

Architecture Diagram

flowchart LR
  Client --> APIGW[API Gateway]
  APIGW --> Auth[Auth Service]
  APIGW --> Orchestrator[Payment Orchestrator]
  Orchestrator --> Ledger[Ledger Service]
  Orchestrator --> Providers[External Payment Providers]
  Ledger --> DB[(Postgres)]
  Orchestrator --> Events((Kafka))