Guillermo González Calderín

Full-Stack Engineer

// matanzas, cu · UTC-5

Building beautiful things

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profile sourced from GitHub

Scouting report

Frontend-leaning junior who actually deploys (8 live projects)

assessed from open-source footprint

Senior

75signal

Guillermo is an early-career Next.js developer whose best work is a well-pitched i18n boilerplate (11★) with strong originality and, notably, 8 deployed projects from an all-original repo set (zero forks). The flip side is thin collaboration (1 merged PR, no real external work) and 0.67 abandonment, so he reads as a self-driven frontend builder still early on the curve.

Authorship & open source

Solo authorwrote 100% of commits on next-boilerplate

1 merged PRs42 commits / yr1 external project1,327 private contributions / yr

Contributes to

guillezdevv2/super-vision0★

What they build

Frontend66%

Backend30%

Industry experience

Productivity & SaaS
E-commerce & Retail
Developer Tools

Signal breakdown

Originality100

Impact66

Consistency75

Polish56

Stars

top repo 11

Original repos

0% forks

Followers

On GitHub

3.6 yr

Live demos

Activity

Active

67% stale

Strengths

Verified author — wrote 100% of commits on next-boilerplate
Original builder — 30 of their own repositories
Ships to production — 8 live demos
Frontend focus with Backend
Domain experience in Productivity & SaaS & E-commerce & Retail
Core stack: JavaScript, TypeScript, HTML, CSS

About

Building beautiful things — 30 public repositories and 17 followers on GitHub.

Skills

JavaScript
TypeScript
HTML
CSS
TeX
Lua
C#
Github Config

Featured work

Next Boilerplate

A minimal starter template for Next.js 15 with built-in internationalization support using next-intl. Designed for SSG (Static Site Generation) proje…

TypeScript