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Lucas Barbosa Silva
Platform Engineer
Resume Email
Case study

60% AWS cost reduction (Casai)

Optimized infrastructure within three months while preserving reliability and velocity.

Context
Scaling workloads with rising cloud spend
Focus on improving efficiency while maintaining reliability.
Approach
  • Workload profiling + rightsizing across ECS/EKS
  • Instance mix optimization + autoscaling tuning
  • Cost dashboards + ownership by service
Outcomes
Impact

-60% AWS spend in 3 months, no reliability regressions.

Stack: AWS • ECS/EKS • FinOps tooling • Cost dashboards
Details generalized to respect confidentiality.