# Valerio Francescangeli

Personal website and blog by Valerio Francescangeli, a software engineer writing
about front-end development, software design, testing, hiring, and pragmatic AI
agent workflows.

Site: https://v19i.com/
RSS: https://v19i.com/index.xml
Sitemap: https://v19i.com/sitemap.xml

## Recommended articles

### AI agents and engineering workflow

- [On using AI Agents: get the best out of them by thinking first](https://v19i.com/posts/on-using-ai-agents/) - How to structure specs, plans, context, and multi-agent work so AI coding agents produce better software.

### Software engineering practice

- [On Test Driven Development](https://v19i.com/posts/on-test-driven-development/) - Why tight feedback loops and test-first design improve software quality.
- [On Agile software development](https://v19i.com/posts/on-agile-software-development/) - A critique of distorted Agile practices and a return to the original intent.
- [Single and Multi Purposed Software](https://v19i.com/posts/single-and-multi-purposed-software/) - How product scope affects software shape and user experience.

### Web platform and front-end

- [Use The Platform: URL API](https://v19i.com/posts/use-the-platform-url-api/) - Practical usage of the browser URL and URLSearchParams APIs.
- [React Pattern: Compound Component](https://v19i.com/posts/react-pattern-compound-component/) - A React component composition pattern for more flexible APIs.
- [A More Consistent Future for the Web](https://v19i.com/posts/a-more-consistent-future-for-the-web/) - Notes on Web Platform Baseline and cross-browser feature consistency.

### APIs and architecture

- [GraphQL: Publish the Schema of Your Company, Not Your Api](https://v19i.com/posts/graphql-publish-the-schema-of-your-company-not-your-api/) - Using domain language and business concepts to design GraphQL schemas.

### Hiring and interviews

- [On Hiring Software Engineers](https://v19i.com/posts/on-hiring-software-engineers/) - Designing healthier engineering hiring processes.
- [Exploring Technical Tests in the Software Industry](https://v19i.com/posts/exploring-technical-tests-in-the-software-industry/) - Comparing common technical interview exercises and their tradeoffs.

### Tooling and references

- [Managing Node.js versions with asdf](https://v19i.com/posts/managing-nodejs-versions-with-asdf/) - Installing and managing Node.js versions with asdf on macOS.
- [Lines in Four Directions by Sol Lewitt](https://v19i.com/posts/lines-in-four-directions-by-sol-lewitt/) - A CSS interpretation of Sol LeWitt's line work.

## Usage notes

- Draft posts are not included in this index.
- The canonical article URLs are the HTML pages above.
- The RSS feed is the best machine-readable source for recently published posts.