Lucas Queiroz

writing

Senior Software Engineer

Building scalable and resilient systems. Writing about backend engineering, distributed systems, and cloud infrastructure.

GoAWSKubernetesgRPCDockerSystem Design
@bylucasqueirozlinkedingithub
11posts
10topics

Writing

All posts →
Latest

Implementing a Go local cache solution

How to implement a cache solution that scales in Go that you can reuse across multiple applications.

goen
Feb 17, 2026→
02

Latency vs Throughput

#systemdesign
Dec 1, 2025
03

Scalability and Performance

#systemdesign
Nov 26, 2025
04

Checking the Available Package Manager on Linux

#linux#ec2
Apr 29, 2025

Projects

GitHub →

Queue Server

In-memory message queue system using gRPC in Go, inspired by AWS SQS.

GogRPCKubernetes
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Queue Infra

Kubernetes infrastructure to simulate an SQS queue at scale.

KubernetesHelmInfrastructure
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