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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

Google Cloud NEXT Writing Challenge Completion Badge
4 Week Community Wellness Streak
Best Use of Auth0
2 Week Community Wellness Streak
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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
7
Comments 1
20 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
1
Comments
9 min read

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Rate limiting en aplicaciones web: qué proteger antes de elegir una librería
jtorchia profile

Rate limiting en aplicaciones web: qué proteger antes de elegir una librería

#spanish #espanol #typescript #nextjs
1
Comments
9 min read
Next.js 16 Middleware: authorization patterns that scale and the ones that cause race conditions
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Next.js 16 Middleware: authorization patterns that scale and the ones that cause race conditions

#english #typescript #nextjs #approuter
1
Comments
11 min read
Next.js 16 Middleware: patrones de autorización que escalan y los que generan race conditions
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Next.js 16 Middleware: patrones de autorización que escalan y los que generan race conditions

#spanish #espanol #typescript #nextjs
Comments
12 min read
Prisma 5 Prisma 6: The Breaking Changes I Hit in My Real Schema and How I Fixed Them Without Breaking Production
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Prisma 5 Prisma 6: The Breaking Changes I Hit in My Real Schema and How I Fixed Them Without Breaking Production

#english #typescript #backend #nextjs
1
Comments
9 min read
Prisma 5 Prisma 6: los breaking changes que encontré en mi schema real y cómo los resolví sin romper producción
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Prisma 5 Prisma 6: los breaking changes que encontré en mi schema real y cómo los resolví sin romper producción

#spanish #espanol #typescript #backend
Comments
9 min read
tsgo: what changes in the TypeScript compiler rewritten in Go and what it means for real projects
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tsgo: what changes in the TypeScript compiler rewritten in Go and what it means for real projects

#english #nextjs #typescript #herramientas
1
Comments
8 min read
tsgo: qué cambia en el compilador TypeScript reescrito en Go y qué significa para proyectos reales
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tsgo: qué cambia en el compilador TypeScript reescrito en Go y qué significa para proyectos reales

#spanish #espanol #nextjs #typescript
Comments
8 min read
React 19 use() hook and Suspense: when it replaces useEffect and when it throws you into a worse loop
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React 19 use() hook and Suspense: when it replaces useEffect and when it throws you into a worse loop

#english #react #typescript #frontend
2
Comments
7 min read
React 19 use() hook y Suspense: cuándo reemplaza useEffect y cuándo te mete en un loop peor
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React 19 use() hook y Suspense: cuándo reemplaza useEffect y cuándo te mete en un loop peor

#spanish #espanol #react #typescript
Comments
7 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 #backend #produccion #seguridad
1
Comments
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 #backend #produccion
1
Comments
7 min read
TypeScript strict mode: the 6 tsconfig options that actually matter in production and when to enable them
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TypeScript strict mode: the 6 tsconfig options that actually matter in production and when to enable them

#english #typescript #backend #produccion
1
Comments
9 min read
TypeScript strict mode: las 6 opciones del tsconfig que más impactan en producción y cuándo activarlas
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TypeScript strict mode: las 6 opciones del tsconfig que más impactan en producción y cuándo activarlas

#spanish #espanol #typescript #backend
Comments
9 min read
Digital identity backend architecture: the decisions tutorials skip
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Digital identity backend architecture: the decisions tutorials skip

#english #backend #seguridad #jwt
1
Comments
8 min read
Arquitectura backend de identidad digital: las decisiones que los tutoriales omiten
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Arquitectura backend de identidad digital: las decisiones que los tutoriales omiten

#spanish #espanol #backend #seguridad
Comments
9 min read
Digital signatures: format, certificate, and validation policy — three layers people constantly mix up
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Digital signatures: format, certificate, and validation policy — three layers people constantly mix up

#english #seguridad #certificados #criptografia
1
Comments
8 min read
Firma digital: formato, certificado y política de validación — tres capas que se confunden constantemente
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Firma digital: formato, certificado y política de validación — tres capas que se confunden constantemente

#spanish #espanol #seguridad #certificados
Comments
10 min read
System prompts for production agents: the format that survived 3 redesigns
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System prompts for production agents: the format that survived 3 redesigns

#english #typescript #produccion #anthropic
Comments
8 min read
System prompts para agentes en producción: el formato que sobrevivió 3 rediseños
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System prompts para agentes en producción: el formato que sobrevivió 3 rediseños

#spanish #espanol #typescript #produccion
1
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 #node #docker #devops
1
Comments
8 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 #node #docker
Comments
9 min read
The benchmark that made me change my mind about Jakarta EE in 2026
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The benchmark that made me change my mind about Jakarta EE in 2026

#english #performance #backend #railway
1
Comments
9 min read
El benchmark que me hizo cambiar de opinión sobre Jakarta EE en 2026
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El benchmark que me hizo cambiar de opinión sobre Jakarta EE en 2026

#spanish #espanol #performance #backend
Comments
10 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 #backend #nextjs
Comments
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 #backend
Comments
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
2
Comments
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
Vivado 2026.1 and Linux: why this decision matters beyond the headline
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Vivado 2026.1 and Linux: why this decision matters beyond the headline

#english #docker #devops #linux
Comments
8 min read
Vivado 2026.1 y Linux: por qué la decisión importa más allá del titular
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Vivado 2026.1 y Linux: por qué la decisión importa más allá del titular

#spanish #espanol #docker #devops
Comments
8 min read
Rate limiting in web apps: what to protect before picking a library
jtorchia profile

Rate limiting in web apps: what to protect before picking a library

#english #nextjs #typescript #railway
1
Comments
9 min read
Rate limiting en aplicaciones web: qué proteger antes de elegir una librería
jtorchia profile

Rate limiting en aplicaciones web: qué proteger antes de elegir una librería

#spanish #espanol #nextjs #typescript
1
Comments
9 min read
Why I Stopped Using useEffect to Sync State — and What I Use Instead
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Why I Stopped Using useEffect to Sync State — and What I Use Instead

#english #tutorials #react #typescript
Comments
8 min read
Por qué dejé de usar useEffect para sincronizar estado y qué uso ahora
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Por qué dejé de usar useEffect para sincronizar estado y qué uso ahora

#spanish #espanol #tutoriales #react
Comments
8 min read
Prisma Server Actions in Next.js 16: the patterns that work and the N+1 that sneaks up on you
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Prisma Server Actions in Next.js 16: the patterns that work and the N+1 that sneaks up on you

#english #typescript #performance #nextjs
2
Comments
8 min read
Prisma Server Actions en Next.js 16: los patrones que funcionan y el N+1 que aparece cuando no lo esperás
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Prisma Server Actions en Next.js 16: los patrones que funcionan y el N+1 que aparece cuando no lo esperás

#spanish #espanol #typescript #performance
2
Comments
9 min read
Spring Boot 2026: Why Measuring Only Startup Time Is a Trap
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Spring Boot 2026: Why Measuring Only Startup Time Is a Trap

#english #performance #arquitectura #springboot
1
Comments 1
5 min read
Spring Boot 2026: por qué medir solo startup time es una trampa
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Spring Boot 2026: por qué medir solo startup time es una trampa

#spanish #espanol #performance #arquitectura
Comments
5 min read
Show HN: Needle distilled Gemini tool calling into 26M parameters — technical read, zero hype
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Show HN: Needle distilled Gemini tool calling into 26M parameters — technical read, zero hype

#english #typescript #llm #ialocal
Comments
8 min read
Show HN: Needle distilled Gemini tool calling en 26M parámetros — lectura técnica sin hype
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Show HN: Needle distilled Gemini tool calling en 26M parámetros — lectura técnica sin hype

#spanish #espanol #typescript #llm
Comments
9 min read
OpenTelemetry on Spring Boot 3: when logs say OK and traces show the problem
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OpenTelemetry on Spring Boot 3: when logs say OK and traces show the problem

#english #experimentos #backend #observabilidad
Comments
7 min read
OpenTelemetry en Spring Boot 3: cuando el log dice OK y el trace muestra el problema
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OpenTelemetry en Spring Boot 3: cuando el log dice OK y el trace muestra el problema

#spanish #espanol #experimentos #backend
Comments
7 min read
Prisma vs JDBC: the benchmark that almost made me blame the wrong ORM
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Prisma vs JDBC: the benchmark that almost made me blame the wrong ORM

#english #experiments #typescript #performance
2
Comments 1
6 min read
Prisma vs JDBC: el benchmark que casi me hace culpar al ORM equivocado
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Prisma vs JDBC: el benchmark que casi me hace culpar al ORM equivocado

#spanish #espanol #experimentos #typescript
1
Comments
6 min read
Retry isn't free: budget, amplification, and the cost that never shows up in p95
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Retry isn't free: budget, amplification, and the cost that never shows up in p95

#english #experiments #backend #arquitectura
1
Comments
6 min read
Retry no es gratis: presupuesto, amplificación y el costo que no aparece en el p95
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Retry no es gratis: presupuesto, amplificación y el costo que no aparece en el p95

#spanish #espanol #experimentos #backend
Comments
6 min read
HikariCP: the p95 that lies to you and how to read the real pool signals
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HikariCP: the p95 that lies to you and how to read the real pool signals

#english #experiments #performance #backend
1
Comments
9 min read
HikariCP: el p95 que te miente y cómo leer las señales reales del pool
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HikariCP: el p95 que te miente y cómo leer las señales reales del pool

#spanish #espanol #experimentos #performance
1
Comments
10 min read
pnpm workspaces: the CI cache that survived the fix and cost me 40 minutes per build
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pnpm workspaces: the CI cache that survived the fix and cost me 40 minutes per build

#english #typescript #pnpm #node
1
Comments
8 min read
pnpm workspaces: el caché de CI que sobrevivió al fix y me costó 40 minutos de build
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pnpm workspaces: el caché de CI que sobrevivió al fix y me costó 40 minutos de build

#spanish #espanol #typescript #pnpm
Comments
9 min read
Spring Security with Spring Boot Actuator: the authorization model that survived the incident
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Spring Security with Spring Boot Actuator: the authorization model that survived the incident

#english #devops #backend #produccion
Comments
9 min read
Spring Security con Spring Boot Actuator: así quedó el modelo de autorización después del incidente
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Spring Security con Spring Boot Actuator: así quedó el modelo de autorización después del incidente

#spanish #espanol #devops #backend
Comments
9 min read
pnpm workspaces in a Next.js 16 monorepo: what the benchmark didn't measure and almost broke my CI
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pnpm workspaces in a Next.js 16 monorepo: what the benchmark didn't measure and almost broke my CI

#english #typescript #pnpm #monorepo
2
Comments
10 min read
pnpm workspaces en monorepo con Next.js 16: lo que el benchmark no midió y casi me rompe el CI
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pnpm workspaces en monorepo con Next.js 16: lo que el benchmark no midió y casi me rompe el CI

#spanish #espanol #typescript #pnpm
1
Comments
10 min read
Spring Boot Actuator in Production: The Endpoints I Left Open by Accident and How I Closed Them
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Spring Boot Actuator in Production: The Endpoints I Left Open by Accident and How I Closed Them

#english #devops #backend #produccion
1
Comments
9 min read
Spring Boot Actuator en producción: los endpoints que dejé abiertos sin darme cuenta y cómo los cerré
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Spring Boot Actuator en producción: los endpoints que dejé abiertos sin darme cuenta y cómo los cerré

#spanish #espanol #devops #backend
Comments
9 min read
pnpm vs npm vs yarn in 2026: I ran all three on my real monorepo and it forced me to change my mind
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pnpm vs npm vs yarn in 2026: I ran all three on my real monorepo and it forced me to change my mind

#english #nextjs #typescript #pnpm
2
Comments
8 min read
pnpm vs npm vs yarn en 2026: lo corrí en mi monorepo real y el resultado me obligó a cambiar de criterio
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pnpm vs npm vs yarn en 2026: lo corrí en mi monorepo real y el resultado me obligó a cambiar de criterio

#spanish #espanol #nextjs #typescript
1
Comments
9 min read
Jakarta EE vs Spring Boot in 2026: I Migrated a Production Backend and the Tradeoffs Aren't What You'd Expect
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Jakarta EE vs Spring Boot in 2026: I Migrated a Production Backend and the Tradeoffs Aren't What You'd Expect

#english #backend #produccion #arquitectura
1
Comments 1
10 min read
Jakarta EE vs Spring Boot en 2026: migré un backend de producción y los tradeoffs no son los que esperaba
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Jakarta EE vs Spring Boot en 2026: migré un backend de producción y los tradeoffs no son los que esperaba

#spanish #espanol #backend #produccion
Comments
10 min read
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