Juan Torchia

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

Buenos Aires, Argentina Joined on Jul 1, 2022 https://juanchi.dev

Education

Ciencias de la Computación — UBA

Work

Full Stack Developer — Nativo Digital

Pinned

DEV Weekend Challenge: Earth Day

Juan Torchia

Apr 20

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

#devchallenge #weekendchallenge #auth0 #agents

20 min read

Google Cloud NEXT '26 Challenge Submission

Juan Torchia

Apr 26

I Watched Google Cloud NEXT '26 With the Billing Page Open

#devchallenge #googlecloud #cloudnextchallenge #firebase

11 min read

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Juan Torchia

Apr 25

Plain text won. I migrated my notes from Notion to Markdown and lost more than I expected

#english #productividad #workflow #git

8 min read

Juan Torchia

Apr 25

Plain text ganó. Migré mis notas de Notion a Markdown y perdí más de lo que esperaba

#spanish #espanol #productividad #workflow

9 min read

Juan Torchia

Apr 25

GPT-5.5 in the API: I ran it against my real production cases and the numbers don't justify the upgrade yet

#english #typescript #railway #agentesia

7 min read

Juan Torchia

Apr 25

GPT-5.5 en la API: lo puse contra mis casos reales y los números no justifican el upgrade todavía

#spanish #espanol #typescript #railway

8 min read

Juan Torchia

Apr 25

I Almost Cancelled Claude: I Ran My Own Benchmarks Before Pulling the Trigger

#english #typescript #claudecode #llm

8 min read

Juan Torchia

Apr 25

Cancelé Claude: medí el deterioro de calidad con mis propios benchmarks antes de irme

#spanish #espanol #typescript #claudecode

9 min read

Juan Torchia

Apr 24

Bitwarden CLI compromised: what a supply chain attack on a tool I actually use forces me to audit

#english #npm #devops #supplychain

8 min read

Juan Torchia

Apr 24

Bitwarden CLI comprometido: lo que un supply chain attack sobre una herramienta que uso me obliga a revisar

#spanish #espanol #npm #devops

9 min read

Juan Torchia

Apr 24

Agent Vault: I tested the open-source credential proxy for agents — here's what it solves (and what it doesn't)

#english #produccion #railway #arquitectura

8 min read

Juan Torchia

Apr 24

Agent Vault: probé el proxy de credenciales open-source para agentes y esto resuelve (y esto no)

#spanish #espanol #produccion #railway

9 min read

Juan Torchia

Apr 24

Claude Code quality reports: I ran the same prompts that broke everyone and here's what my logs showed

#english #typescript #claudecode #anthropic

8 min read

Juan Torchia

Apr 24

Claude Code quality reports: corrí los mismos casos que rompieron a todos y esto encontré en mis logs

#spanish #espanol #typescript #claudecode

8 min read

Juan Torchia

Apr 23

LLMs generating security reports: I ran the same prompt on my own code

#english #typescript #produccion #railway

8 min read

Juan Torchia

Apr 23

LLMs que generan security reports: corrí el mismo prompt sobre mi propio código

#spanish #espanol #typescript #produccion

8 min read

Juan Torchia

Apr 23

Async agents: what 'all your agents are going async' doesn't tell you about debugging

#english #typescript #llm #agentesia

9 min read

Juan Torchia

Apr 23

Agentes async: lo que 'all your agents are going async' no te dice sobre el debugging

#spanish #espanol #typescript #llm

9 min read

Juan Torchia

Apr 23

Zed Parallel Agents: I Tested Them in My Real Workflow — Here's What Changed (and What Didn't)

#english #typescript #claudecode #productividad

8 min read

Juan Torchia

Apr 23

Agentes paralelos en Zed: los probé en mi flujo real y esto cambió (y esto no)

#spanish #espanol #typescript #claudecode

8 min read

Juan Torchia

Apr 22

CrabTrap: I Put an LLM-as-a-Judge Proxy in Front of My Production Agent and Here's What Happened

#english #typescript #railway #llm

8 min read

Juan Torchia

Apr 22

CrabTrap: puse un proxy LLM-as-a-judge delante de mi agente en producción y esto pasó

#spanish #espanol #typescript #railway

8 min read

Juan Torchia

Apr 22

Windows 9x Subsystem for Linux: I installed it, broke it, and understood why it matters more than it seems

#english #linux #infraestructura #hackernews

9 min read

Juan Torchia

Apr 22

Windows 9x Subsystem for Linux: lo instalé, lo rompí y entendí por qué importa más de lo que parece

#spanish #espanol #linux #infraestructura

10 min read

Juan Torchia

Apr 22

r/programming banned LLM content: I banned my own posts and found the impossible criterion

#english #contenidogeneradoia #rprogrammingban

8 min read

Juan Torchia

Apr 22

r/programming baneó contenido LLM: yo baneé mis propios posts y encontré el criterio imposible

#spanish #espanol #contenidogeneradoia #rprogrammingban

9 min read

Juan Torchia

Apr 22

Claude Code on the Pro Plan: If They Pull It, That Says Everything About Who Anthropic Actually Cares About

#english #claudecode #aitools #anthropic

7 min read

Juan Torchia

Apr 22

Claude Code en el Pro plan: si lo sacan, eso dice todo sobre para quién existe Anthropic

#spanish #espanol #claudecode #aitools

8 min read

Juan Torchia

Apr 21

What Building with MCP Taught Me About Its Weirdest Gap

#english #typescript #llm #agentesia

8 min read

Juan Torchia

Apr 21

Lo que construir con MCP me enseñó sobre su gap más raro

#spanish #espanol #typescript #llm

9 min read

Juan Torchia

Apr 21

OpenAI is selling ad placements by prompt relevance — I simulated it with my own logs

#english #llms #privacidad #openai

8 min read

Juan Torchia

Apr 21

OpenAI vende espacios publicitarios por relevancia de prompt: lo simulé con mis propios logs

#spanish #espanol #llms #privacidad

8 min read

Juan Torchia

Apr 21

44% of Deezer Is AI. I Ran git blame on My Commits and Found Something Uncomfortable

#english #typescript #productividad #codereview

8 min read

Juan Torchia

Apr 21

El 44% de Deezer es IA. Corrí git blame sobre mis commits y encontré algo incómodo

#spanish #espanol #typescript #productividad

8 min read

Juan Torchia

Apr 21

Anthropic reversed its position on Claude CLI: last week it was gray, today it's green. My workflow didn't change.

#english #anthropic #agentesia #claude

8 min read

Juan Torchia

Apr 21

Anthropic revirtió su posición sobre Claude CLI: la semana pasada era un gris, hoy es verde. Mi flujo de trabajo no cambió.

#spanish #espanol #anthropic #agentesia

8 min read

Juan Torchia

Apr 20

Notion filtra los emails de todos los editores de páginas públicas

#productividad #seguridad #privacidad #datos

8 min read

Juan Torchia

Apr 20

Prove you are a robot: reversed CAPTCHAs for AI agents

#english #reflections #typescript #seguridadweb

8 min read

Juan Torchia

Apr 20

Prove you are a robot: CAPTCHAs invertidos para agentes IA

#spanish #espanol #reflexiones #typescript

9 min read

Juan Torchia

Apr 20

Claude system prompt diff: what changed between Opus 4.6 and 4.7 (and I was watching it happen without knowing why)

#english #experiments #produccion #anthropic

8 min read

Juan Torchia

Apr 20

Claude system prompt diff: lo que cambió entre Opus 4.6 y 4.7 (y yo lo estaba viendo sin saberlo)

#spanish #espanol #experimentos #produccion

8 min read

Juan Torchia

Apr 20

Vercel April 2026 breach: it didn't break my infra, it broke my excuse

#english #opinion #devops #nextjs

8 min read

Juan Torchia

Apr 20

Vercel April 2026 breach: no me rompieron la infra, me rompieron la excusa

#spanish #espanol #opinion #devops

8 min read

Juan Torchia

Apr 20

El problema de confianza que Emacs resolvió y los agentes IA ignoran

#spanish #espanol #reflexiones #seguridad

9 min read

Juan Torchia

Apr 20

Defluffer promete -45% en tokens. Yo medí el costo semántico del ahorro y es incómodo

#spanish #espanol #experimentos #llm

9 min read

Juan Torchia

Apr 20

Por qué los trenes de Japón son tan confiables (y qué tiene que ver con tu infra de software)

#spanish #espanol #opinion #infraestructura

9 min read

Juan Torchia

Apr 20

Agentes IA que pasan tus tests. Ese es el problema.

#spanish #espanol #reflexiones #llm

9 min read

Juan Torchia

Apr 20

Brunost existe: un lenguaje de programación en Nynorsk y lo que eso dice sobre quién decide qué es legible

#spanish #espanol #historia #claudecode

9 min read

Juan Torchia

Apr 20

Escribí un intérprete de Python en Python. Lo que aprendí no tiene nada que ver con Python

#spanish #espanol #experimentos #llm

8 min read

Juan Torchia

Apr 20

Prove you are a robot: CAPTCHAs invertidos para agentes IA

#typescript #seguridadweb #agentesia #arquitectura

9 min read

Juan Torchia

Apr 20

Claude system prompt diff: lo que cambió entre Opus 4.6 y 4.7 (y yo lo estaba viendo sin saberlo)

#produccion #anthropic #llm #agentesia

8 min read

Juan Torchia

Apr 20

Vercel April 2026 breach: no me rompieron la infra, me rompieron la excusa

#devops #nextjs #seguridad #infraestructura

8 min read

Juan Torchia

Apr 20

The Trust Problem Emacs Solved That AI Agents Are Ignoring

#english #reflections #seguridad #developertools

8 min read

Juan Torchia

Apr 20

Defluffer promises -45% tokens. I measured the semantic cost of that savings and it's uncomfortable

#english #experiments #llm #agentesia

8 min read

Juan Torchia

Apr 20

Why Japanese Trains Are So Reliable (And What It Has To Do With Your Software Infrastructure)

#english #opinion #infraestructura #agentesia

8 min read

Juan Torchia

Apr 20

AI Agents That Pass Your Tests. That's the Problem.

#english #reflections #llm #agentesia

9 min read

Juan Torchia

Apr 20

Brunost Exists: A Programming Language in Nynorsk and What That Says About Who Decides What's Readable

#english #history #claudecode #brunost

8 min read

Juan Torchia

Apr 20

I Wrote a Python Interpreter in Python. What I Learned Has Nothing to Do With Python

#english #experiments #llm #arquitectura

8 min read

Juan Torchia

Apr 19

El problema de confianza que Emacs resolvió y los agentes IA ignoran

#seguridad #developertools #agentesia #arquitectura

9 min read

Juan Torchia

Apr 19

Defluffer promete -45% en tokens. Yo medí el costo semántico del ahorro y es incómodo

#llm #agentesia #benchmark #tokens

9 min read

Juan Torchia

Apr 19

Por qué los trenes de Japón son tan confiables (y qué tiene que ver con tu infra de software)

#infraestructura #agentesia #sistemasdistribuidos #confiabilidad

9 min read

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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