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Rafael Costa profile picture

Rafael Costa

I write about architecture, AI failure modes, verification, and the mental models behind production systems.

Joined Joined on  github website

Education

Physics PhD Universidade Federal de Uberlândia

Work

Senior Software Engineer | Tech Lead at MOAVI

Confront, Don't Assert
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Confront, Don't Assert

#ai #codereview #testing #tooling
1
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11 min read

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Software Architecture as Educated Coarse-Graining
devanomaly profile

Software Architecture as Educated Coarse-Graining

#discuss #architecture #computerscience #software
5
Comments
15 min read
The Privacy Is the Architecture: Building an Instagram Bulk Unfollower Under MV3 Constraints
devanomaly profile

The Privacy Is the Architecture: Building an Instagram Bulk Unfollower Under MV3 Constraints

#privacy #security #javascript #webdev
2
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7 min read
Five Corrections: What an AI Agent Didn't Know About My Production Database
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Five Corrections: What an AI Agent Didn't Know About My Production Database

#ai #devops #database #architecture
2
Comments 3
5 min read
GitHub Told Me I Had Merge Conflicts. Git Told Me I Didn't. They Were Both Right.
devanomaly profile

GitHub Told Me I Had Merge Conflicts. Git Told Me I Didn't. They Were Both Right.

#devjournal #git #github #softwaredevelopment
Comments
13 min read
The Mental Model Problem of AI-Generated Code
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The Mental Model Problem of AI-Generated Code

#ai #software #productivity #agents
2
Comments
9 min read
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