Javier Márquez

About

Fullstack Developer

I build clean, functional web experiences — from pixel-precise interfaces to scalable backend logic. My focus is on crafting digital products that are both technically sound and genuinely pleasant to use. I believe that a developer who understands design builds better software.

Name Javier Márquez

Experience +2 Years

Location Chile

Phone +56 9 6564 1891

Email hello.jmarquez@gmail.com

Languages Spanish (native) · English B2

Status Available for freelance

Contact me Download CV

Education & Experience

Education

2021
Web Development Udemy · Aug 2021
Create web applications using HTML, CSS, and JavaScript with the latest versions.
View certificate →
2021
Modern Javascript Udemy · Sep 2021
Fundamentals and advanced concepts of JavaScript — dynamic, interactive web applications through hands-on projects.
View certificate →
2021
Introduction to Web Development Google Activate · Sep 2021 · ID: D3N QXX KK5
Building adaptable websites for different devices.
View certificate →
2021
Introduction to Web Development II Google Activate · Sep 2021 · ID: 4B2 YYL K4Y View certificate →
2023
English Certification EF SET Certificate · Jan 2023 · ID: NpsC94
EF Standard English Test — B2 level certified.
View certificate →

Experience

2024
Success Journey Web Developer · IT Consultant · Mar 2024 — present
Management and maintenance of company blog & website. Editing & posting of blogs, SEO, design & automation of newsletters.
2022
Independent Freelancer Fullstack Developer · Dec 2022 — Mar 2024
Designed and developed multiple custom web applications, including e-commerce, virtual wallets, and corporate landing pages using React, HTML/CSS, and WordPress.

Skills

I build interfaces.

I ship products.

I understand design.

Work

2024 01

Success Journey

Corporate website for an IT consulting firm — designed for conversion with bold visuals and clear CTAs.

HTML CSS JS
2023 02

Mereb

Educational platform interface featuring interactive learning tools and a modern dashboard.

HTML CSS JS
2022 03

Watch-it-here

Movie discovery app powered by a public API — search, browse, and save your favorites.

React API
2023 04

Stocker

Full-stack inventory management system built with the MERN stack for tracking entries and exits.

React MERN
2023 05

Payfriend

Virtual wallet mobile app built with React Native — send, receive, and manage payments.

React
2023 06

Cerbero ONE

WordPress corporate site for a cybersecurity company with custom theme and branding.

WordPress
2023 07

Biossoftware

WordPress website for a biotech software company featuring service showcases and blog.

WordPress
2023 08

Huddle

Community landing page with responsive design — a Frontend Mentor challenge implementation.

HTML CSS
2024 09

Success Journey Blog

WordPress blog with custom design, SEO optimization, and newsletter automation.

WordPress
2023 10

Clipboard

Product landing page with clean typography and responsive layouts — Frontend Mentor challenge.

HTML CSS
2026 11

Pension Simulator

Financial tool built in React to simulate pension calculations with real-time charts.

React Finance
2026 12

AutokeyPro

An enterprise-grade locksmithing platform offering high-precision key duplication, transponder programming, and cryptographic coding.

Next.js React

Fullstack Developer

Education

Experience

Success Journey

Mereb

Watch-it-here

Stocker

Payfriend

Cerbero ONE

Biossoftware

Huddle

Success Journey Blog

Clipboard

Pension Simulator

AutokeyPro