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Ramón Chancay 👨🏻‍💻

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Software Engineer at Desarol

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Cuánto cuesta desarrollar una app y por qué cotizo precio fijo

Cuánto cuesta desarrollar una app y por qué cotizo precio fijo

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4 min read

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How much does it cost to build an app, and why I quote a fixed price

How much does it cost to build an app, and why I quote a fixed price

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4 min read
Por qué contratarme por Upwork: pagos protegidos, reputación verificable y arbitraje

Por qué contratarme por Upwork: pagos protegidos, reputación verificable y arbitraje

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3 min read
Why hire me through Upwork: protected payments, a verifiable track record and arbitration

Why hire me through Upwork: protected payments, a verifiable track record and arbitration

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3 min read
Qué es Jev: el modelo de TypeSafe AI que decide en vez de escribir

Qué es Jev: el modelo de TypeSafe AI que decide en vez de escribir

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4 min read
What is Jev: TypeSafe AI's model that decides instead of writing

What is Jev: TypeSafe AI's model that decides instead of writing

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3 min read
Heredaste un producto: la auditoría de código antes de seguir

Heredaste un producto: la auditoría de código antes de seguir

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4 min read
You inherited a product: the code audit before you continue

You inherited a product: the code audit before you continue

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3 min read
Qué es un ingeniero de producto y en qué se diferencia de un programador

Qué es un ingeniero de producto y en qué se diferencia de un programador

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4 min read
What is a product engineer, and how is that different from a programmer?

What is a product engineer, and how is that different from a programmer?

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4 min read
Datos sensibles fuera del prompt: una librería de TypeScript escrita en 39 minutos desde su especificación

Datos sensibles fuera del prompt: una librería de TypeScript escrita en 39 minutos desde su especificación

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3 min read
Sensitive data out of the prompt: a TypeScript library written in 39 minutes from its specification

Sensitive data out of the prompt: a TypeScript library written in 39 minutes from its specification

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4 min read
Spec-Driven Development en React Native: un MVP que lista los sismos del mundo, especificado antes de escribir código

Spec-Driven Development en React Native: un MVP que lista los sismos del mundo, especificado antes de escribir código

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4 min read
Spec-Driven Development in React Native: an MVP that lists the world's earthquakes, specified before writing code

Spec-Driven Development in React Native: an MVP that lists the world's earthquakes, specified before writing code

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3 min read
The hard limits of an autonomous agent: what keeps it from disaster

The hard limits of an autonomous agent: what keeps it from disaster

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3 min read
From a Jira ticket to a pull request: the end-to-end autonomous system

From a Jira ticket to a pull request: the end-to-end autonomous system

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3 min read
The agent inside a real repo: isolating tasks with git worktree and shipping a PR

The agent inside a real repo: isolating tasks with git worktree and shipping a PR

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3 min read
From generating files to using tools: a code agent's ReAct loop

From generating files to using tools: a code agent's ReAct loop

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3 min read
Who writes the agent's tests: three ways to define what's correct

Who writes the agent's tests: three ways to define what's correct

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4 min read
The sandbox in an agent loop: from the model's text to a reliable observation

The sandbox in an agent loop: from the model's text to a reliable observation

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3 min read
The simplest loop that works: a write-test-fix agent, step by step

The simplest loop that works: a write-test-fix agent, step by step

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3 min read
What an agent loop is (and isn't): state, action, stop

What an agent loop is (and isn't): state, action, stop

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3 min read
Voice agent that books appointments: ElevenLabs, Cal.com and a backend that never lets the model guess

Voice agent that books appointments: ElevenLabs, Cal.com and a backend that never lets the model guess

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3 min read
Orca: the ADE for orchestrating a fleet of coding agents in parallel

Orca: the ADE for orchestrating a fleet of coding agents in parallel

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3 min read
Model routing with OpenRouter and DeepSeek to cut costs without losing quality

Model routing with OpenRouter and DeepSeek to cut costs without losing quality

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3 min read
I automated a news site with n8n: from 20 RSS feeds to WordPress drafts

I automated a news site with n8n: from 20 RSS feeds to WordPress drafts

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3 min read
Data annotation jobs: what labeling and reviewing AI responses involves

Data annotation jobs: what labeling and reviewing AI responses involves

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3 min read
Creating a custom widget for Notion

Creating a custom widget for Notion

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3 min read
Image Gallery with Gatsby, Netlify and Airtable.

Image Gallery with Gatsby, Netlify and Airtable.

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4 min read
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