John Cruz
Principal Engineer at Knot
San Salvador, El Salvador
Summary
👤
Senior🎓
Top SchoolJohn Cruz is a Principal Engineer based in San Salvador with nine years of professional experience and over 15 years of coding practice that began at age nine. He blends full-stack expertise across React, Vue (Nuxt), Node/Nest, Laravel, and Kubernetes to deliver pixel-perfect UIs and secure, scalable back-end systems for fintech and high‑impact web projects. As a former Head of Engineering and mentor, he routinely shapes architecture, code quality, and team practices while championing real‑time features, automated testing, and production-ready serverless/AWS solutions. He has a track record of building performance-critical products—from game launchers with global infrastructure and real-time telemetry to fintech platforms—and automating workflows that measurably boost productivity. Known for creating in-house tools rather than relying on third‑party libraries, he favors pragmatic, future-proof code and rigorous code review culture. Passionate about mentoring and experimentation, he balances hands-on delivery with strategic technical leadership.
9 years of coding experience
8 years of employment as a software developer
Software Development, Software Development at Instituto Técnico Ricaldone
English, Spanish
Github Skills (73)
vote10
nuxt-module10
js-plugin10
middleware10
laravel10
directives10
notification10
vuex10
php10
permission9
authentication9
firebase9
laravel-package9
nuxt9
authorization9
Programming languages (8)
Github contributions (5)
williamcruzme/laravel-notification-settings
Nov 2019 - Apr 2022
🔒 A Laravel package that allows you to check the notification settings before send them.
Contributions:17 commits, 14 pushes, 2 tags in 2 years 5 months
notificationsnotificationlaravel-packagelaravelsettings
williamcruzme/vue-gates
Apr 2019 - Jun 2021
🔒 A Vue.js & Nuxt.js plugin that allows you to use roles and permissions in your components or DOM elements, also compatible as middleware and methods.
Contributions:11 releases, 115 commits, 20 PRs in 2 years 2 months
gatesnuxtvuenuxt-jsvote
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