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Focusing
5 followers · 16 following
  • Londrina, Brazil
  • 10:23 (UTC -03:00)

Achievements

Achievement: Pair Extraordinairex3Achievement: Pull Sharkx3Achievement: YOLOAchievement: QuickdrawAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pair Extraordinairex3Achievement: Pull Sharkx3Achievement: YOLOAchievement: QuickdrawAchievement: Arctic Code Vault Contributor

Organizations

@asaplog

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luccas-freitas/README.md

Backend & Cloud Engineer

  • Built backend services using Java (17–25) and Spring Boot (3.x / 4.x) for RESTful systems
  • Designed and maintained microservices architectures with clear service boundaries and stateless design
  • Implemented HTTP integrations using RestClient, including structured error handling and response parsing
  • Applied DTO mapping patterns and controlled serialization/deserialization for external APIs

Cloud & Infrastructure

  • Worked with AWS (EKS, S3, IAM, Cost Explorer) for cloud-native workloads
  • Managed and interacted with Kubernetes clusters (EKS) using Fabric8 Kubernetes Client
  • Consumed Kubernetes Metrics API for node and pod resource monitoring
  • Built services aware of autoscaling signals and cluster resource constraints
  • Containerized applications using Docker
  • Configured CI/CD pipelines with GitHub Actions

Databases

  • Worked with MongoDB (aggregation, queries, data modeling)
  • Used PostgreSQL (relational modeling, upserts, indexing basics)

Testing

  • Wrote unit tests using JUnit 5
  • Used mocking strategies for service isolation and external dependency simulation

Frontend (Supporting)

  • Built UI components with Next.js + TypeScript
  • Styled using TailwindCSS
  • Used React (functional components, hooks)

Tooling & Practices

  • Version control with Git / GitHub
  • Strong use of REST standards and HTTP semantics
  • Experience with legacy modernization (Grails → Spring Boot)
  • Comfortable debugging across application, infrastructure, and data layers

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