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Duvan Jamid Vargas

Technical Lead at MercadoLibre. MSc in Software Engineering. Observability, Java, JS/Node, Kafka & infrastructure. Building Ligero (Java) and AngeLite (JS).

Location Bucaramanga, Colombia Joined Joined on  Email address duvanjamid.work@gmail.com Personal website https://github.com/ligero-framework/ligero github website

Education

MSc in Software Engineering

Work

Technical Lead at MercadoLibre

Switch Phone: An Open-Source Android Auto Phone Switcher for the Carlinkit CPC200-2Air
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Switch Phone: An Open-Source Android Auto Phone Switcher for the Carlinkit CPC200-2Air

#android #kotlin #opensource #reverseengineering
Comments
14 min read

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Self-Host Infisical on Coolify: Compose, TLS and Machine Identities (Step by Step)
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Self-Host Infisical on Coolify: Compose, TLS and Machine Identities (Step by Step)

#selfhosted #devops #security #docker
Comments
11 min read
AngeLite (7/7): SSR and Hydration — What Works and What Is Next
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AngeLite (7/7): SSR and Hydration — What Works and What Is Next

#javascript #webdev #ssr #opensource
Comments
6 min read
AngeLite (6/7): Honest Benchmarks and Comparison vs React, Vue, Angular and Preact
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AngeLite (6/7): Honest Benchmarks and Comparison vs React, Vue, Angular and Preact

#javascript #performance #webdev #opensource
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6 min read
AngeLite (5/7): Optional Modules and What Each Feature Costs in Bytes
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AngeLite (5/7): Optional Modules and What Each Feature Costs in Bytes

#javascript #architecture #performance #opensource
Comments
6 min read
AngeLite (4/7): A CI Performance Budget That Keeps It Small
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AngeLite (4/7): A CI Performance Budget That Keeps It Small

#javascript #performance #testing #webdev
Comments
6 min read
AngeLite (3/7): Secure by Default — 6 Holes I Found in My Own Framework
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AngeLite (3/7): Secure by Default — 6 Holes I Found in My Own Framework

#javascript #security #webdev #opensource
Comments
6 min read
AngeLite (2/7): Signals and Templates Without Zone.js or a Virtual DOM
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AngeLite (2/7): Signals and Templates Without Zone.js or a Virtual DOM

#javascript #webdev #performance #frontend
Comments
6 min read
AngeLite (1/7): A 6 KB Signals Framework With Angular-Style Templates
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AngeLite (1/7): A 6 KB Signals Framework With Angular-Style Templates

#javascript #webdev #opensource #angular
Comments
5 min read
Ligero (7/7): Resilience, JWT/JWKS, Native Image and an MCP Server
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Ligero (7/7): Resilience, JWT/JWKS, Native Image and an MCP Server

#java #security #graalvm #opensource
Comments
6 min read
Ligero (6/7): Health, Metrics, Traces and OpenTelemetry
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Ligero (6/7): Health, Metrics, Traces and OpenTelemetry

#java #observability #opentelemetry #devops
Comments
5 min read
Ligero (5/7): A Live Devtools Dashboard for Your Java Beans
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Ligero (5/7): A Live Devtools Dashboard for Your Java Beans

#java #devtools #architecture #opensource
Comments
6 min read
Ligero (4/7): Fixing a 13x Slowdown Caused by a TCP Default
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Ligero (4/7): Fixing a 13x Slowdown Caused by a TCP Default

#java #performance #networking #webdev
Comments
6 min read
Ligero (3/7): Dependency Injection Without Reflection
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Ligero (3/7): Dependency Injection Without Reflection

#java #architecture #opensource #performance
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6 min read
Ligero (2/7): Routing, Middleware and Secure Defaults in Plain Java
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Ligero (2/7): Routing, Middleware and Secure Defaults in Plain Java

#java #webdev #security #opensource
Comments
5 min read
Ligero (1/7): Why I Built a Java 21 Framework That Starts in 0.4 s
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Ligero (1/7): Why I Built a Java 21 Framework That Starts in 0.4 s

#java #opensource #webdev #architecture
Comments
5 min read
GitHub Actions + Infisical OIDC: Secretless CI for All Your Repos (and the Wildcard Trap)
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GitHub Actions + Infisical OIDC: Secretless CI for All Your Repos (and the Wildcard Trap)

#githubactions #devops #security #oidc
1
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9 min read
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