Marc User

MU

Open to opportunities

Marc User

@marcdominguez

Full-Stack Developer with experience building React and Flask applications, REST APIs, SQL databases and AI-powered solutions using Python. Passionate

What I'm looking for

I’m looking for a role where I can build full-stack web apps with React, Flask, REST APIs, and SQL/PostgreSQL—shipping responsive user interfaces, reliable backend logic, and well-structured databases in an agile team.

I’m a Full-Stack Developer focused on building complete web applications—from React interfaces to Flask backends and SQL data layers. I enjoy turning requirements into working features, then refining them through integration, testing, and clean version control.

In my recent work, I developed full-stack web applications using React, JavaScript, HTML, CSS, Python, and Flask. I built and integrated REST APIs, managed SQL databases, and delivered frontend and backend features using Git/GitHub.

I also developed VoxStock, an AI-powered voice-controlled inventory management application. It integrates AI and speech recognition to transcribe instructions in real time and automatically update product stock using React, Flask, Python, SQL, and REST APIs.

Alongside professional experience, I completed an intensive Full-Stack Development bootcamp covering HTML, CSS, JavaScript, React, Python, Flask, REST APIs, Git, GitHub, and SQL. I also pursued database administration training focused on relational database design, PostgreSQL, normalization, backup/recovery, and performance optimization.

Experience

Work history, roles, and key accomplishments

OH

Full-Stack Developer

Onyx Digital Holdings

May 2026 - Jul 2026 (2 months)

Developed full-stack web applications using React and Python/Flask. Built and integrated REST APIs, managed SQL databases, and used Git/GitHub for version control and maintenance.

React JavaScript HTML CSS Python Flask REST APIs SQL Frontend Development Backend Development Git GitHub Web Development

LW

Production Line Operator

Linde + Wiemann

Feb 2024 - May 2026 (2 years 3 months)

Worked in the automotive industry performing profiling, finishing, inspection, and quality verification of parts. Collaborated on production issue resolution.

Profiling Inspections Verification Quality Assurance Troubleshooting Issue Resolution

SE

Full-Stack Developer

Self-Employed

May 2023 - Jan 2024 (8 months)

Developed full-stack applications and websites using React, JavaScript, Python, Flask, and SQL. Included API integration, user authentication, database work, and deployment using Git/GitHub.

React JavaScript Python Flask SQL API Integration Authentication Databases Git GitHub Deployment

Education

Degrees, certifications, and relevant coursework

GA

4Geeks Academy

Full-Stack Development Bootcamp, Full-Stack Development

2026 - 2026

Completed an intensive Full-Stack Development Bootcamp covering HTML, CSS, JavaScript, React, Python, Flask, REST APIs, Git/GitHub, and SQL using agile methodologies.

IC

Institució Pau Casals

Database Administration program, Database Administration

2026 - 2026

Completed a Database Administration program focused on relational database design, SQL/PostgreSQL, data modeling, normalization, user administration, backup/recovery, and performance optimization.

HD

High School Diploma

High School Diploma, General Education

2016 - 2018

Earned a High School Diploma between September 2016 and June 2018 in Terrassa.

Tech stack

Software and tools used professionally

GitHub

PostgreSQL

JavaScript

HTML5

Java

SQL

Availability

Open to opportunities

Location

Spain

Authorized to work in

Website

marcdominguez.vercel.app

Social media

Job categories

Full Stack Developer Full Stack Developer Web Developer Database Administrator Production Line Operator Full Stack Software Developer Full Stack Web Developer Full Stack Engineer Fullstack Development Full Stack JavaScript Developer Full Stack Full Stack Web Development Fullstack Web Application Developer Full Stack Developer Jobs Developer

Skills

React Flask Python JavaScript HTML5 CSS Git GitHub SQL PostgreSQL REST APIs API Integration Authentication Database Administration Speech Recognition Problem Solving Java

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