Author Image

I am David

I am a Developer
I am studying a BSc in Engineering
I work on free/libre and open-source projects
I love to work with some fun projects
I practice judo

David Pizarro

Bachelor of Science in Engineering Student at Universidad Católica del Norte

I am studying Computer Science and Engineering. I work as sysadmin and webmaster for SMEs. Sometimes, I work on tech services for PCs. Since I firmly believe in and adhere to the free software philosophy, I am an active developer at Parabola GNU/Linux-libre, my main OS, as it is endorsed by the FSF.

Skills

WordPress

Capable of installing, customizing, securing and maintain WordPress blogs and websites. Experienced with Elementor.

Languages

I’m bilingual, speak spanish (native) and english. Good enough for working on translation.

Git

Experienced with git-based development. Mostly, use GitLab. Also, have experience in working with GitHub.

Docker

Write most of the programs as dockerized container. Experienced with multi-stage, multi-arch build process.

GNU/Linux

Using as the main operating system. Capable of writing bash/shell scripts. Master the basics tools, manage some advanced ones.

Python

My favorite programming language. I manage virtual environments and pip packages creation and installation.

NestJS

I’ve used it for microservices, API REST and GraphQL APIs, in companion with JWT and TypeORM.

GitLab

Manage projects CI/CD, container registry, package registry, Pages, wiki, issues, boards, milestones, etc.

System Administration

Experienced with GNU/Linux servers. I master SSH, fail2ban, Apache HTTP, Postfix, Dovecot, SpamAssassin, MariaDB, PostgreSQL and most of the typical tools of LAMP setups.

Experiences

1

Equipo Clave Chile

2023 - Present

Iquique, Chile

A company that provides comprehensive services and consultancy aimed at achieving objectives efficiently and successfully.

Webmaster

2023 - Present

Responsibilities:

Design and build a website with Elementor in WordPress.
Maintain the website up-to-date and secured.

Energías Chilenas SpA

2023 - Present

La Serena, Chile

Specializes in renewable energy projects and hybrid solar-gas systems, offering comprehensive solutions to promote sustainability and energy efficiency in residential, commercial, and industrial sectors.

Webmaster

2023 - Present

Responsibilities:

Design and build a website with Elementor in WordPress.
Maintain the website up-to-date and secured.

System Administrator

2023 - Present

Responsibilities:

Virtual user mail system built with Postfix, Dovecot and PostgreSQL.
Security enhanced with fail2ban and enforcement of Let’s Encrypt certificates.

2

3

Ingeniería y Evolución SpA

2020 - 2022

La Serena, Chile

Various services are provided, encompassing LPG installations, implementation of improvements, engineering, and project assembly, with the aim of maximizing energy use and consumption to enhance the businesses of energy-intensive clients.

Webmaster

2020 - 2022

Responsibilities:

Design and deploy a static bootstrap website.

System Administrator

2020 - 2022

Responsibilities:

Email server built with Postfix and Dovecot.
Security enhanced with fail2ban and enforcement of Let’s Encrypt certificates.

Desarrollo Eficiente SpA

2017 - 2022

Iquique, Chile

The company specialized in optimizing production processes and energy resources, driving economic growth and sustainability through diagnostics, consumption reduction, and technological solutions.

System Administrator

2017 - 2022

Responsibilities:

Email server built with Postfix and Dovecot.
Deployment of Roundcube Webmail.

4

5

Parabola GNU/Linux-libre Project

2017 - Present

Worldwide

A free and open-source operating system based on Arch Linux, emphasizing software freedom and privacy. It provides a fully free software environment with a focus on security and user control.

Developer

2017 - Present

Responsibilities:

Build and maintain packages, mainly the ones related to OpenRC and kernels.
Improve and write official documentation.
ISO images maintenance.

Education

Universidad Católica del Norte

2021-2025

Bachelor of Science in Engineering

Extracurricular Activities:

School of Engineering work in collaboration with Shibaura Institute of Technology.
Semi automatic pipeline for research questions answering.