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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
1 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
6
Comments
20 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
1
Comments
10 min read

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pnpm workspaces en monorepo con Next.js 16: lo que el benchmark no midió y casi me rompe el CI
jtorchia profile

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
jtorchia profile

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
1
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
jtorchia profile

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
Comments
10 min read
Jakarta EE vs Spring Boot en 2026: migré un backend de producción y los tradeoffs no son los que esperaba
jtorchia profile

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
Spring Boot in Real Production: What My Lakaut Codebase Taught Me That the Official Docs Leave Out
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Spring Boot in Real Production: What My Lakaut Codebase Taught Me That the Official Docs Leave Out

#english #performance #backend #produccion
2
Comments
10 min read
Spring Boot en producción real: lo que mi codebase de Lakaut me enseñó que la documentación oficial omite
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Spring Boot en producción real: lo que mi codebase de Lakaut me enseñó que la documentación oficial omite

#spanish #espanol #performance #backend
Comments
11 min read
Clipboard API Fails in TypeScript: The 4 Cases Nobody Documents and How I Found Them in My Own Code
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Clipboard API Fails in TypeScript: The 4 Cases Nobody Documents and How I Found Them in My Own Code

#english #react #typescript #javascript
Comments
9 min read
Clipboard API falla en TypeScript: los 4 casos que nadie documenta y cómo los encontré en mi código
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Clipboard API falla en TypeScript: los 4 casos que nadie documenta y cómo los encontré en mi código

#spanish #espanol #react #typescript
1
Comments
10 min read
Supply chain npm vs PyPI: I compared both simulations and the most dangerous vector isn't what everyone thinks
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Supply chain npm vs PyPI: I compared both simulations and the most dangerous vector isn't what everyone thinks

#english #npm #node #devops
Comments
9 min read
Supply chain en npm vs PyPI: comparé mis dos simulaciones y el vector más peligroso no es el que todos creen
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Supply chain en npm vs PyPI: comparé mis dos simulaciones y el vector más peligroso no es el que todos creen

#spanish #espanol #npm #node
Comments
10 min read
After the Guardrail That Saved My Infrastructure: My Autonomous Agent Architecture in Production
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After the Guardrail That Saved My Infrastructure: My Autonomous Agent Architecture in Production

#english #typescript #produccion #railway
1
Comments
9 min read
Después del guardrail que me salvó la infra: así quedó mi arquitectura de agentes autónomos en producción
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Después del guardrail que me salvó la infra: así quedó mi arquitectura de agentes autónomos en producción

#spanish #espanol #typescript #produccion
Comments
10 min read
npm audit isn't enough: I simulated a supply chain attack on my Node dependencies and found what the scanner can't see
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npm audit isn't enough: I simulated a supply chain attack on my Node dependencies and found what the scanner can't see

#english #typescript #npm #devops
Comments
9 min read
npm audit no alcanza: simulé un supply chain attack sobre mis dependencias de Node y encontré lo que el scanner no ve
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npm audit no alcanza: simulé un supply chain attack sobre mis dependencias de Node y encontré lo que el scanner no ve

#spanish #espanol #typescript #npm
Comments
10 min read
Mutex deadlocks in production: the patterns I found in my codebase and how I diagnosed them
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Mutex deadlocks in production: the patterns I found in my codebase and how I diagnosed them

#english #produccion #railway #rust
Comments 3
9 min read
Mutex deadlock en producción: los patrones que encontré en mi codebase y cómo los diagnostiqué
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Mutex deadlock en producción: los patrones que encontré en mi codebase y cómo los diagnostiqué

#spanish #espanol #produccion #railway
Comments
9 min read
Real guardrails for autonomous agents after one almost destroyed my infrastructure
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Real guardrails for autonomous agents after one almost destroyed my infrastructure

#english #typescript #produccion #railway
1
Comments
8 min read
Guardrails reales para agentes autónomos después de que uno casi me destruye la infra
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Guardrails reales para agentes autónomos después de que uno casi me destruye la infra

#spanish #espanol #typescript #produccion
1
Comments
8 min read
Async Rust Never Left MVP: I Validated It Against My Real Codebase and Found Exactly the Edge Cases That HN Post Predicted
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Async Rust Never Left MVP: I Validated It Against My Real Codebase and Found Exactly the Edge Cases That HN Post Predicted

#english #performance #backend #produccion
1
Comments
9 min read
Async Rust nunca salió del MVP: lo validé contra mi codebase real y encontré exactamente los edge cases que el post de HN predice
jtorchia profile

Async Rust nunca salió del MVP: lo validé contra mi codebase real y encontré exactamente los edge cases que el post de HN predice

#spanish #espanol #performance #backend
Comments
9 min read
Docker Compose in Production in 2026: I Ran My Real Stack for 30 Days and Here Are the Numbers
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Docker Compose in Production in 2026: I Ran My Real Stack for 30 Days and Here Are the Numbers

#english #node #docker #devops
2
Comments
8 min read
Docker Compose en producción en 2026: corrí mi stack real durante 30 días y estos son los números
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Docker Compose en producción en 2026: corrí mi stack real durante 30 días y estos son los números

#spanish #espanol #node #docker
1
Comments 1
9 min read
Agents That Create Accounts, Buy Domains, and Deploy on Their Own: I Tested It Against My Real Stack — Here's What Broke (and What Worked)
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Agents That Create Accounts, Buy Domains, and Deploy on Their Own: I Tested It Against My Real Stack — Here's What Broke (and What Worked)

#english #typescript #devops #railway
Comments
9 min read
Agentes que crean cuentas, compran dominios y despliegan solos: lo probé contra mi stack real y esto rompió (y esto funcionó)
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Agentes que crean cuentas, compran dominios y despliegan solos: lo probé contra mi stack real y esto rompió (y esto funcionó)

#spanish #espanol #typescript #devops
Comments
9 min read
I Trained My Own LLM from Scratch in 2025: What That Viral HN Tutorial Doesn't Tell You About the Real Cost
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I Trained My Own LLM from Scratch in 2025: What That Viral HN Tutorial Doesn't Tell You About the Real Cost

#english #llm #ia #machinelearning
5
Comments 1
9 min read
Entrené mi propio LLM desde cero en 2025: lo que el tutorial viral de HN no te dice sobre el costo real
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Entrené mi propio LLM desde cero en 2025: lo que el tutorial viral de HN no te dice sobre el costo real

#spanish #espanol #llm #ia
1
Comments
10 min read
Chrome Installed 4 GB of AI on My Machine Without Asking: I Inspected What It's Actually Doing and I Don't Like What I Found
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Chrome Installed 4 GB of AI on My Machine Without Asking: I Inspected What It's Actually Doing and I Don't Like What I Found

#english #seguridad #google #privacidad
Comments
8 min read
Chrome instaló 4 GB de IA en mi máquina sin pedirme permiso: inspeccioné qué hace realmente y no me gusta lo que encontré
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Chrome instaló 4 GB de IA en mi máquina sin pedirme permiso: inspeccioné qué hace realmente y no me gusta lo que encontré

#spanish #espanol #seguridad #google
Comments
8 min read
Bun Migrates from Zig to Rust: What My Real Benchmarks Say About Whether It Matters
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Bun Migrates from Zig to Rust: What My Real Benchmarks Say About Whether It Matters

#english #typescript #performance #bunjs
1
Comments
7 min read
Bun migra de Zig a Rust: lo que mis benchmarks reales dicen sobre si el cambio importa
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Bun migra de Zig a Rust: lo que mis benchmarks reales dicen sobre si el cambio importa

#spanish #espanol #typescript #performance
Comments
8 min read
macOS tar destroys files on Linux: I validated it in my real Railway pipeline and documented the 3 cases nobody mentions
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macOS tar destroys files on Linux: I validated it in my real Railway pipeline and documented the 3 cases nobody mentions

#english #docker #devops #produccion
Comments
10 min read
Tar en macOS destroza archivos en Linux: lo validé en mi pipeline real de Railway y documenté los 3 casos que nadie menciona
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Tar en macOS destroza archivos en Linux: lo validé en mi pipeline real de Railway y documenté los 3 casos que nadie menciona

#spanish #espanol #docker #devops
Comments
11 min read
Agentic Coding Is Not a Trap: I Answered the Viral HN Post With My Own Production Logs
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Agentic Coding Is Not a Trap: I Answered the Viral HN Post With My Own Production Logs

#english #produccion #railway #postgres
1
Comments 1
8 min read
Agentic coding no es una trampa: le respondí al post viral de HN con mis propios logs de producción
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Agentic coding no es una trampa: le respondí al post viral de HN con mis propios logs de producción

#spanish #espanol #produccion #railway
Comments
8 min read
DeepClaude: I Combined Claude Code with DeepSeek V4 Pro in My Agent Loop and the Numbers Threw Me Off
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DeepClaude: I Combined Claude Code with DeepSeek V4 Pro in My Agent Loop and the Numbers Threw Me Off

#english #typescript #claudecode #llm
1
Comments
8 min read
DeepClaude: combiné Claude Code con DeepSeek V4 Pro en mi loop de agentes y los números me desconcertaron
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DeepClaude: combiné Claude Code con DeepSeek V4 Pro en mi loop de agentes y los números me desconcertaron

#spanish #espanol #typescript #claudecode
Comments
9 min read
Specsmaxxing: I Wrote YAML Specs for My AI Agents — Here's What Changed (and What Didn't)
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Specsmaxxing: I Wrote YAML Specs for My AI Agents — Here's What Changed (and What Didn't)

#english #nextjs #typescript #claudecode
1
Comments
8 min read
Specsmaxxing: escribí mis specs en YAML para mis agentes y esto cambió (y esto no)
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Specsmaxxing: escribí mis specs en YAML para mis agentes y esto cambió (y esto no)

#spanish #espanol #nextjs #typescript
1
Comments
8 min read
Barman Replacing pgbackrest: I Migrated My Postgres Backups in Production and Here's What I Found
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Barman Replacing pgbackrest: I Migrated My Postgres Backups in Production and Here's What I Found

#english #devops #produccion #railway
1
Comments
9 min read
Barman reemplaza a pgbackrest: migré mis backups de Postgres en producción y esto encontré
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Barman reemplaza a pgbackrest: migré mis backups de Postgres en producción y esto encontré

#spanish #espanol #devops #produccion
1
Comments
9 min read
Kimi K2.6 vs Claude vs GPT-5.5: I ran it against my real coding cases and the numbers surprised me
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Kimi K2.6 vs Claude vs GPT-5.5: I ran it against my real coding cases and the numbers surprised me

#english #typescript #produccion #arquitecturasoftware
2
Comments
9 min read
Kimi K2.6 vs Claude vs GPT-5.5: lo puse contra mis casos reales de coding y los números me sorprendieron
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Kimi K2.6 vs Claude vs GPT-5.5: lo puse contra mis casos reales de coding y los números me sorprendieron

#spanish #espanol #typescript #produccion
1
Comments
10 min read
Canonical under DDoS: what my Railway logs and uptime say about my real exposure
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Canonical under DDoS: what my Railway logs and uptime say about my real exposure

#english #docker #devops #produccion
1
Comments
9 min read
Canonical bajo DDoS: lo que mis logs de Railway y uptime dicen sobre mi exposición real
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Canonical bajo DDoS: lo que mis logs de Railway y uptime dicen sobre mi exposición real

#spanish #espanol #docker #devops
Comments
9 min read
Spotify Verified for Human Artists: What It Signals for Code, Content, and My Own Blog
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Spotify Verified for Human Artists: What It Signals for Code, Content, and My Own Blog

#english #npm #claudecode #developertools
1
Comments
8 min read
Spotify Verified para artistas humanos: lo que esto anticipa para el código, el contenido y mi propio blog
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Spotify Verified para artistas humanos: lo que esto anticipa para el código, el contenido y mi propio blog

#spanish #espanol #npm #claudecode
1
Comments
9 min read
The gay jailbreak: I ran the viral technique against my own production prompts and here's what I found
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The gay jailbreak: I ran the viral technique against my own production prompts and here's what I found

#english #typescript #llm #seguridad
2
Comments
8 min read
The gay jailbreak: probé la técnica viral sobre mis propios prompts de producción y esto encontré
jtorchia profile

The gay jailbreak: probé la técnica viral sobre mis propios prompts de producción y esto encontré

#spanish #espanol #typescript #llm
Comments
9 min read
Linux kernel vulnerabilities without distro notice: what this changes in my Ubuntu/Railway stack
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Linux kernel vulnerabilities without distro notice: what this changes in my Ubuntu/Railway stack

#english #docker #devops #produccion
2
Comments
9 min read
Linux kernel vulnerabilidades sin aviso a distros: lo que esto cambia en mi stack Ubuntu/Railway
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Linux kernel vulnerabilidades sin aviso a distros: lo que esto cambia en mi stack Ubuntu/Railway

#spanish #espanol #docker #devops
1
Comments
9 min read
Malware in PyTorch Lightning: I Simulated the Same Supply Chain Attack Vector on My ML Dependencies in Production
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Malware in PyTorch Lightning: I Simulated the Same Supply Chain Attack Vector on My ML Dependencies in Production

#english #devops #produccion #seguridad
2
Comments
9 min read
Malware en PyTorch Lightning: simulé el mismo vector de supply chain attack sobre mis dependencias de ML en producción
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Malware en PyTorch Lightning: simulé el mismo vector de supply chain attack sobre mis dependencias de ML en producción

#spanish #espanol #devops #produccion
1
Comments
10 min read
I tried to reproduce the OpenClaw case in Claude Code: my result contradicts the viral post
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I tried to reproduce the OpenClaw case in Claude Code: my result contradicts the viral post

#english #experiments #typescript #claudecode
2
Comments
4 min read
Intenté reproducir el caso OpenClaw en Claude Code: mi resultado contradice el post viral
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Intenté reproducir el caso OpenClaw en Claude Code: mi resultado contradice el post viral

#spanish #espanol #experimentos #typescript
1
Comments
4 min read
Bugs Rust Won't Catch: I Ran the List Against My Real Codebase and Found Exactly What I Was Told Wouldn't Exist
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Bugs Rust Won't Catch: I Ran the List Against My Real Codebase and Found Exactly What I Was Told Wouldn't Exist

#english #typescript #produccion #seguridad
Comments
9 min read
Bugs que Rust no atrapa: los corrí contra mi codebase real y encontré exactamente los que me prometieron que no existirían
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Bugs que Rust no atrapa: los corrí contra mi codebase real y encontré exactamente los que me prometieron que no existirían

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