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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.

@bylucasqueirozlinkedingithub
2026
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