High-complexity backend.

• 01

  Business logic

  We develop the core of the application.

  • We implement business rules, calculations and validations.
  • We create workflows and asynchronous processes.
  • We design services and modules that evolve without breaking what already exists.
• 02

  Databases

  We design and operate data storage.

  • We model relational and NoSQL data.
  • We write and optimize complex queries.
  • We implement migrations, backups and recovery strategies.
• 03

  APIs and integrations

  We connect applications and systems.

  • We create our own documented, versioned APIs.
  • We integrate third-party services and internal systems.
  • We implement authentication between services and error handling.
• 04

  Servers and infrastructure

  We implement the infrastructure everything runs on.

  • We deploy instances and managed databases on AWS.
  • We create Lambda functions and serverless architectures.
  • We automate environments and deployments with CI/CD and containers.
• 05

  Security and authentication

  We control access to systems and data.

  • We implement authentication, roles and permissions.
  • We protect access and sensitive data.
  • We review and fix common vulnerabilities.
• 06

  Performance and scalability

  We design to grow without degrading response times.

  • We optimize queries, indexes and caching.
  • We design to withstand growth and demand peaks.
  • We implement monitoring, alerts and observability.

ON SYSTEMS THAT ALREADY EXIST

We also work on what is already in production.