Sergio VS
Software Engineer
Spain, Mexico
Summary
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RockstarSergio VS is a software engineer with 10 years of experience building and maintaining high-performance backend systems. Based in Spain with roots in Mexico, he focuses on Go-based server-side development and has contributed to performance-oriented open-source projects like the Atreugo micro web framework. His contributions include dependency modernization, cross-platform improvements (notably Windows prefork support), and removing unnecessary TCP keep-alive listeners to reduce overhead—demonstrating attention to both reliability and low-level performance. Comfortable shipping practical configuration options for static file serving, he balances developer ergonomics with production efficiency. Sergio brings a pragmatic, detail-oriented approach that surfaces optimizations others might overlook, especially in hot-path memory and network handling.
10 years of coding experience
Github Skills (9)
golang10
micro-framework10
performance-monitor10
go10
performance-analysis10
fasthttp10
zeroth9
extensible9
zero-code9
Programming languages (6)
Github contributions (5)
savsgio/atreugo
Jul 2022 - Jan 2023
High performance and extensible micro web framework. Zero memory allocations in hot paths.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:108 releases, 8 reviews, 19 commits in 5 months
Contributions summary:Sergio primarily upgraded project dependencies, including Go modules like fasthttp and router, ensuring the project uses the latest versions of libraries. They addressed a performance-related issue by removing an unneeded TCP keep-alive listener and added new configuration options for static file serving, giving developers better control over file serving configurations. The user also made improvements to Windows support by adding prefork capabilities, enhancing the overall cross-platform compatibility of the project.
memorymicro-frameworkreloadmemory-allocationsgo
savsgio/kratgo
Feb 2019 - Mar 2023
Simple, lightweight and ultra-fast HTTP Cache to speed up your websites
Contributions:16 releases, 3 PRs, 152 pushes in 4 years 2 months
golanggo-packagespeedcachingultra
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