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igorcm3/README.md

Igor Corona de Matos

Senior Backend Software Engineer focused on Kotlin, Java, Spring Boot, distributed systems, and SaaS platforms.

I work on backend-heavy products where architecture, reliability, maintainability, and product delivery matter. I am also co-founder at Vevox Soluções Digitais, where I help build Fofito, a multi-tenant SaaS platform for pet shops and veterinary clinics.

Currently based in Brazil and open to international software engineering opportunities, especially in Milan and the EU.

Engineering Focus

  • Backend services with Kotlin, Java 21, Spring Boot, Ktor, REST, OAuth2, and PostgreSQL
  • SaaS architecture, multi-tenancy, modular systems, CI/CD, Docker, Kubernetes, and observability
  • Product engineering across backend, frontend, infrastructure, and technical decision-making
  • Fullstack delivery when useful, mostly with React, Next.js, TypeScript, and modern UI tooling
  • Continuous improvement in algorithms, systems design, and high-signal public engineering work

Selected Work

Vevox / Fofito

Co-founder and engineer building a production SaaS platform for scheduling, customer management, pet clinic workflows, WhatsApp integrations, and multi-tenant operations.

Key engineering areas:

  • Kotlin and Java microservices
  • Multi-tenant data model
  • OAuth2 authentication and authorization
  • PostgreSQL, Redis, Docker, Kubernetes, Traefik, and GitHub Actions
  • Next.js frontend for operational workflows

Public Repositories

  • ktor-library-poc - Kotlin/Ktor backend application with REST APIs, OpenAPI documentation, dependency injection, persistence, and a simple web UI.
  • product-manager - Kotlin/Spring Boot and React product management monorepo.
  • design-system-react - React design system study project.

Stack

Backend: Kotlin, Java, Spring Boot, Ktor, JPA/Hibernate, Exposed, REST APIs, OAuth2

Data: PostgreSQL, Redis, MongoDB, Flyway

Frontend: React, Next.js, TypeScript, Angular

Infrastructure: Docker, Kubernetes, Traefik, GitHub Actions, Linux

Practices: clean architecture, automated tests, CI/CD, code review, API design, system design

GitHub

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