01Fintech · Payment Platform

Fintech Backoffice System

Backoffice · Payment Core · Integrations · Infrastructure

Back office for a payment platform processing 100+ transactions per second — invoices, payments, partners, wallets and terminals. Alongside the backoffice I work inside the processing core itself: FastAPI services and third-party integrations.

FastAPIViteReactPostgreSQLRedisRabbitMQKubernetes

Under the hood

FrontendVite · React · TypeScript
BackendFastAPI · Python
QueueRabbitMQ
DataPostgreSQL · Redis
InfraKubernetes · CI/CD
100+transactions per second in the core

What's inside

  • Invoices & payments registry with filters and customisable columns
  • Multi-currency amounts and per-merchant commission tracking
  • Projects, partners, users, wallets and terminals management
  • Payment metadata inspection for every transaction
  • Work inside the processing core: FastAPI services, third-party integrations
  • Infrastructure: Kubernetes, RabbitMQ, Redis, CI/CD

Screens

Fintech Backoffice System — screen 1
Fintech Backoffice System — screen 2
Fintech Backoffice System — screen 3