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Juan Torchia Subscriber

👨‍💻 Desarrollador ☕ JAVA 🐧 Linux 🐳 Docker ⚡ Typescript 🌐https://Juanchi.dev 🚀✨

Location Buenos Aires, Argentina Joined Joined on  Personal website https://juanchi.dev github website twitter website

Education

Ciencias de la Computación — UBA

Work

Full Stack Developer — Nativo Digital

Four Year Club
Google Cloud NEXT Writing Challenge Completion Badge
4 Week Community Wellness Streak
Best Use of Auth0
2 Week Community Wellness Streak
1 Week Community Wellness Streak
Writing Debut
Three Year Club
Two Year Club
One Year Club

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GreenGate: the agent proposes, the phone decides — building an Auth0 CIBA + Gemini audit for embodied carbon

DEV Weekend Challenge: Earth Day
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GreenGate: the agent proposes, the phone decides — building an Auth0 CIBA + Gemini audit for embodied carbon

#devchallenge #weekendchallenge #auth0 #agents
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20 min read
What It Means to Be a Java Champion in 2026: The Real Criteria Behind the Recognition and Why I Care
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What It Means to Be a Java Champion in 2026: The Real Criteria Behind the Recognition and Why I Care

#english #opensource #springboot #java
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9 min read

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Qué significa ser Java Champion en 2026: el criterio real detrás del reconocimiento y por qué me importa
jtorchia profile

Qué significa ser Java Champion en 2026: el criterio real detrás del reconocimiento y por qué me importa

#spanish #espanol #opensource #springboot
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10 min read
Stateless JWT vs stateful sessions: the framework I use to choose in identity systems
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Stateless JWT vs stateful sessions: the framework I use to choose in identity systems

#english #seguridad #jwt #arquitectura
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9 min read
JWT sin estado vs sesiones con estado: el criterio que uso para elegir en sistemas de identidad
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JWT sin estado vs sesiones con estado: el criterio que uso para elegir en sistemas de identidad

#spanish #espanol #seguridad #jwt
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10 min read
Noroboto: Lying Fonts and Rust Mitigation — A Technical Read Without the Hype
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Noroboto: Lying Fonts and Rust Mitigation — A Technical Read Without the Hype

#english #linux #sistemas #rust
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8 min read
Noroboto: Lying Fonts y mitigación en Rust — lectura técnica sin hype
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Noroboto: Lying Fonts y mitigación en Rust — lectura técnica sin hype

#spanish #espanol #linux #sistemas
Comments
9 min read
Cline in production: the autonomous code agent for VS Code I use with deliberate constraints
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Cline in production: the autonomous code agent for VS Code I use with deliberate constraints

#english #typescript #llm #seguridad
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8 min read
Cline en producción: el agente de código autónomo para VS Code que uso con restricciones deliberadas
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Cline en producción: el agente de código autónomo para VS Code que uso con restricciones deliberadas

#spanish #espanol #typescript #llm
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9 min read
A native discriminated union already does what Either promises
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A native discriminated union already does what Either promises

#english #typescript #fpts #discriminatedunions
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8 min read
¿De verdad necesitás fp-ts, o te alcanza un union nativo?
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¿De verdad necesitás fp-ts, o te alcanza un union nativo?

#spanish #espanol #typescript #fpts
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8 min read
CAdES vs XAdES Digital Signatures in Java: The Differences That Matter When Your CA Asks for One and You've Built the Other
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CAdES vs XAdES Digital Signatures in Java: The Differences That Matter When Your CA Asks for One and You've Built the Other

#english #seguridad #certificados #criptografia
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10 min read
Firma digital CAdES vs XAdES en Java: las diferencias que importan cuando tu CA te pide una y vos tenés la otra
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Firma digital CAdES vs XAdES en Java: las diferencias que importan cuando tu CA te pide una y vos tenés la otra

#spanish #espanol #seguridad #certificados
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10 min read
Virtual Threads Won't Save You From a Badly Placed synchronized
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Virtual Threads Won't Save You From a Badly Placed synchronized

#english #concurrencia #springboot #java
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7 min read
Virtual Threads no te salva de un synchronized mal puesto
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Virtual Threads no te salva de un synchronized mal puesto

#spanish #espanol #concurrencia #springboot
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8 min read
The bug report that never left the browser

Summer Bug Smash: Clear the Lineup 🐛🛹
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The bug report that never left the browser

#devchallenge #bugsmash #opensource #javascript
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12 min read
Functional programming with TypeScript: what fp-ts teaches you even if you never ship it
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Functional programming with TypeScript: what fp-ts teaches you even if you never ship it

#english #nextjs #typescript #fpts
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9 min read
Functional programming con TypeScript: lo que fp-ts enseña aunque no lo uses en producción
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Functional programming con TypeScript: lo que fp-ts enseña aunque no lo uses en producción

#spanish #espanol #nextjs #typescript
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10 min read
The Complete Guide to Docker HEALTHCHECK: Dockerfile vs Compose vs Orchestrator
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The Complete Guide to Docker HEALTHCHECK: Dockerfile vs Compose vs Orchestrator

#english #docker #devops #postgres
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8 min read
Guía completa de HEALTHCHECK en Docker: Dockerfile vs Compose vs orquestador
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Guía completa de HEALTHCHECK en Docker: Dockerfile vs Compose vs orquestador

#spanish #espanol #docker #devops
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9 min read
Qwen3 locally with Ollama: what changed in the architecture and whether it's worth switching
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Qwen3 locally with Ollama: what changed in the architecture and whether it's worth switching

#english #typescript #inferencialocal #agentesia
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8 min read
Qwen3 en local con Ollama: qué cambió en la arquitectura y si vale el cambio
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Qwen3 en local con Ollama: qué cambió en la arquitectura y si vale el cambio

#spanish #espanol #typescript #inferencialocal
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8 min read
Prisma Query Logging and PostgreSQL: Where the ORM Ends and the Database Begins
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Prisma Query Logging and PostgreSQL: Where the ORM Ends and the Database Begins

#english #typescript #postgres #observabilidad
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7 min read
Prisma Query Logging y PostgreSQL: dónde termina el ORM y empieza la base
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Prisma Query Logging y PostgreSQL: dónde termina el ORM y empieza la base

#spanish #espanol #typescript #postgres
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8 min read
npm Dependencies: How to Evaluate a Library Before It Hits Production
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npm Dependencies: How to Evaluate a Library Before It Hits Production

#english #typescript #pnpm #npm
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7 min read
Dependencias npm: cómo evaluar una librería antes de meterla en producción
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Dependencias npm: cómo evaluar una librería antes de meterla en producción

#spanish #espanol #typescript #pnpm
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7 min read
Strict Null Checks in TypeScript: What the Compiler Won't Tell You and Where It Actually Hurts in Production
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Strict Null Checks in TypeScript: What the Compiler Won't Tell You and Where It Actually Hurts in Production

#english #nextjs #typescript #produccin
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9 min read
Strict null checks en TypeScript: lo que el compilador no te dice y dónde sí duele en producción
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Strict null checks en TypeScript: lo que el compilador no te dice y dónde sí duele en producción

#spanish #espanol #nextjs #typescript
Comments
10 min read
DeepSeek API in TypeScript: secure integration and honest model evaluation for code
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DeepSeek API in TypeScript: secure integration and honest model evaluation for code

#english #typescript #nextjs #llm
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7 min read
DeepSeek API en TypeScript: integración segura y evaluación honesta del modelo para código
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DeepSeek API en TypeScript: integración segura y evaluación honesta del modelo para código

#spanish #espanol #typescript #nextjs
Comments
8 min read
Barman vs pgBackRest: a decision tree for PostgreSQL backup in production
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Barman vs pgBackRest: a decision tree for PostgreSQL backup in production

#english #devops #produccion #postgres
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9 min read
Barman vs pgBackRest: árbol de decisión para backup PostgreSQL en producción
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Barman vs pgBackRest: árbol de decisión para backup PostgreSQL en producción

#spanish #espanol #devops #produccion
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9 min read
Swiper: the touch slider that won't wreck your sprint
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Swiper: the touch slider that won't wreck your sprint

#english #react #opensource #mobile
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5 min read
Swiper: el slider táctil que no te va a arruinar el sprint
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Swiper: el slider táctil que no te va a arruinar el sprint

#spanish #espanol #react #opensource
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5 min read
Node.js: the runtime that changed how we think about backend
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Node.js: the runtime that changed how we think about backend

#english #javascript #node #backend
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5 min read
Node.js: el runtime que cambió cómo pensamos el backend
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Node.js: el runtime que cambió cómo pensamos el backend

#spanish #espanol #javascript #node
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5 min read
Rate limiting in web apps: what to protect before picking a library
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Rate limiting in web apps: what to protect before picking a library

#english #typescript #nextjs #railway
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9 min read
Rate limiting en aplicaciones web: qué proteger antes de elegir una librería
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Rate limiting en aplicaciones web: qué proteger antes de elegir una librería

#spanish #espanol #typescript #nextjs
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9 min read
Spring Boot Actuator: What to Expose, What to Hide, and What to Check Before Adding Endpoints
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Spring Boot Actuator: What to Expose, What to Hide, and What to Check Before Adding Endpoints

#english #devops #backend #produccion
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7 min read
Spring Boot Actuator: qué exponer, qué ocultar y qué mirar antes de agregar endpoints
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Spring Boot Actuator: qué exponer, qué ocultar y qué mirar antes de agregar endpoints

#spanish #espanol #devops #backend
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8 min read
Next.js App Router Caching: revalidate, dynamic, and no-store Without the Folklore
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Next.js App Router Caching: revalidate, dynamic, and no-store Without the Folklore

#english #react #typescript #nextjs
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8 min read
Next.js App Router caching: revalidate, dynamic y no-store sin folklore
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Next.js App Router caching: revalidate, dynamic y no-store sin folklore

#spanish #espanol #react #typescript
Comments
9 min read
Docker healthchecks: what they actually measure and what you shouldn't promise
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Docker healthchecks: what they actually measure and what you shouldn't promise

#english #docker #devops #railway
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7 min read
Docker healthchecks: qué miden de verdad y qué no deberías prometer
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Docker healthchecks: qué miden de verdad y qué no deberías prometer

#spanish #espanol #docker #devops
Comments
7 min read
Digital Signatures: Format, Certificate, and Validation Policy Are Not the Same Thing
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Digital Signatures: Format, Certificate, and Validation Policy Are Not the Same Thing

#english #seguridad #pki #identidaddigital
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8 min read
Firma digital: diferencia entre formato, certificado y política de validación
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Firma digital: diferencia entre formato, certificado y política de validación

#spanish #espanol #seguridad #pki
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9 min read
Sniffnet: monitor your network without losing your mind to tcpdump
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Sniffnet: monitor your network without losing your mind to tcpdump

#english #networking #opensource #rust
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5 min read
Sniffnet: monitoreá tu red sin volverte loco con tcpdump
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Sniffnet: monitoreá tu red sin volverte loco con tcpdump

#spanish #espanol #networking #opensource
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5 min read
XGBoost: the gradient boosting that dominated Kaggle and survived the hype
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XGBoost: the gradient boosting that dominated Kaggle and survived the hype

#english #machinelearning #opensource #python
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5 min read
XGBoost: gradient boosting que dominó Kaggle y sobrevivió al hype
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XGBoost: gradient boosting que dominó Kaggle y sobrevivió al hype

#spanish #espanol #machinelearning #opensource
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5 min read
PyTorch: the deep learning framework that won the war
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PyTorch: the deep learning framework that won the war

#english #machinelearning #deeplearning #opensource
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5 min read
PyTorch: el framework de deep learning que ganó la guerra
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PyTorch: el framework de deep learning que ganó la guerra

#spanish #espanol #machinelearning #deeplearning
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5 min read
TensorFlow: the ML elephant that's still standing
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TensorFlow: the ML elephant that's still standing

#english #machinelearning #deeplearning #arquitectura
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5 min read
TensorFlow: el elefante de ML que sigue en pie
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TensorFlow: el elefante de ML que sigue en pie

#spanish #espanol #machinelearning #deeplearning
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5 min read
Rate limiting in Next.js: what to protect before picking a library
jtorchia profile

Rate limiting in Next.js: what to protect before picking a library

#english #typescript #nextjs #approuter
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9 min read
Rate limiting en Next.js: qué proteger antes de elegir una librería
jtorchia profile

Rate limiting en Next.js: qué proteger antes de elegir una librería

#spanish #espanol #typescript #nextjs
Comments
9 min read
npm Dependencies: How to Evaluate a Library Before Shipping It to Production
jtorchia profile

npm Dependencies: How to Evaluate a Library Before Shipping It to Production

#english #typescript #pnpm #npm
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8 min read
Dependencias npm: cómo evaluar una librería antes de meterla en producción
jtorchia profile

Dependencias npm: cómo evaluar una librería antes de meterla en producción

#spanish #espanol #typescript #pnpm
Comments
9 min read
lode: Reimplementing DVC's core in Go without breaking the format
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lode: Reimplementing DVC's core in Go without breaking the format

#english #machinelearning #opensource #go
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6 min read
lode: Reimplementando el core de DVC en Go sin romper el formato
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lode: Reimplementando el core de DVC en Go sin romper el formato

#spanish #espanol #machinelearning #opensource
Comments
7 min read
OWASP LLM Top 10 in Production: How I Audited My TypeScript Agent Pipeline Against All 10 Risks — and What I Found
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OWASP LLM Top 10 in Production: How I Audited My TypeScript Agent Pipeline Against All 10 Risks — and What I Found

#english #typescript #llm #seguridad
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9 min read
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