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Backend and APIs

Backend Systems and APIs

Strong backends keep products reliable. We design APIs, services and data models that support web, mobile and desktop clients.

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What you can expect

  • Well-structured REST APIs and service boundaries
  • Authentication, authorization and audit-friendly logging
  • Payment, notification and third-party integrations
  • Database design for PostgreSQL, MySQL, MongoDB and Redis

Typical deliverables

  • Spring Boot and FastAPI services
  • Microservice and modular monolith architectures
  • Auth, roles and token-based security
  • Payment and messaging integrations
  • API documentation and handover

Technologies we use

  • Java
  • Spring Boot
  • Python
  • FastAPI
  • Node.js
  • PostgreSQL
  • Redis
  • Docker

Frequently asked questions

Can you build APIs for an existing frontend or mobile app?
Yes. We document contracts, auth and data models so web, Android, iOS or desktop clients can share one backend.
Do you handle payments and third-party integrations?
Yes — payments, email, storage, maps and other APIs as required by the product.

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