Alex Casillas - Senior Full Stack Engineer at Tiptap

Alex Casillas

Senior Full Stack Engineer at Tiptap

Córdoba, Andalusia, Spain

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Summary

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Alex Casillas is a Senior Full Stack Engineer and core maintainer of the popular Tiptap rich text editor, bringing 10 years of hands-on experience across front-end and full-stack roles. Based in Córdoba, Spain, he has progressed from early web development and systems roles to senior engineering and CTO positions, shipping production apps with Node.js, React, TypeScript, and occasional Go. At Tiptap he contributes to critical front-end fixes and extensions—improving font handling and sanitization—demonstrating attention to UX and robustness in open-source tooling. He pairs self-taught curiosity with formal studies in web application development and computer science, and has a track record of leading teams and product-focused engineering at startups and consultancy firms. Notably, his background blends deep UI craftsmanship with backend integration experience, making him effective across the entire stack.

10 years of coding experience

10 years of employment as a software developer

Experto Experto en Gestión y Desarrollo de Aplicaciones Web, Experto Experto en Gestión y Desarrollo de Aplicaciones Web at Universidad de Ávila

Bachelor's degree Informática, Bachelor's degree Informática at La Salle Open University (UOLS)

Técnico Superior en Desarrollo de Aplicaciones Multiplataforma PHP MySQL JAVA JavaScript Oracle SQL, Técnico Superior en Desarrollo de Aplicaciones Multiplataforma PHP MySQL JAVA JavaScript Oracle SQL at IES Trassierra

Spanish, English

Stackoverflow

Stats

11reputation

3kreached

0answers

1question

Github Skills (11)

editors10

javascript10

rich-text10

editor10

react10

prosemirror7

typescripts6

typescript6

electron6

typescript-types6

Programming languages (9)

TypeScriptMDXJavaCSSScalaJavaScriptZigPHP

Github contributions (5)

ueberdosis/tiptap

Nov 2024 - Mar 2025

The headless rich text editor framework for web artisans.

Role in this project:

Front-end Developer

Contributions:26 reviews, 7 PRs, 20 pushes in 3 months

Contributions summary:Alex primarily contributed to the `tiptap` repository by fixing bugs and improving the functionality of the rich text editor. They addressed issues related to the font family extension, including fixing the demo and updating the logic. The user also worked on sanitization of special characters within the link extension, ensuring proper rendering. Their contributions involved modifications to JavaScript, React components, and TypeScript files.

jsrich-textvuewysiwyg-editorrenderless-components

alexvcasillas/react-forum-system

Oct 2018 - Aug 2020

React Forum System

Contributions:81 commits, 9 PRs, 67 pushes in 1 year 10 months

reactjsreactforum

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