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Lucas Queiroz

Senior Software Engineer

I write about distributed systems, reliability, and the decisions that matter when things need to keep running.

@bylucasqueirozlinkedingithubyoutube
2026
Exponential Backoff in PracticeIn this article we will understand how Exponential Backoff works in practice, and how it can be used to reduce the pressure on degraded services.
Aug 1
Why can retries bring down your system?Understanding retries and using this resilience pattern correctly.
Jul 28
Implementing a Go local cache solutionHow to implement a cache solution that scales in Go that you can reuse across multiple applications.
Feb 17
2025
Latency vs ThroughputUnderstanding these system design metrics
Dec 1
Scalability and PerformanceUnderstanding the difference between scalability and performance.
Nov 26
2024
How to ensure thread-safety in GoWorking with Mutex to ensure thread-safeness in Go
Nov 13
Unbuffered and Buffered ChannelsWhats the difference between Unbuffered and Buffered Channels
Nov 6
2020
CI/CD in Github Actions for .NET 5 applications with DockerSetting up CI/CD in Github Actions for .NET 5 applications with Docker.
Dec 18