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Hi, I'm Javier Loureiro Pérez, a versatile Software Engineer from Spain with extensive experience in Full Stack and Android development. I have a passion for technology and enjoy working on projects from start to finish, delivering high-quality and scalable solutions. I excel in both backend and frontend development, always aiming to meet project goals and deadlines. Whether it's developing mobile applications, backend systems, or data visualization, I focus on creating seamless and reliable user experiences.…Hi, I'm Javier Loureiro Pérez, a versatile Software Engineer from Spain with extensive experience in Full Stack and Android development. I have a passion for technology and enjoy working on projects from start to finish, delivering high-quality and scalable solutions. I excel in both backend and frontend development, always aiming to meet project goals and deadlines. Whether it's developing mobile applications, backend systems, or data visualization, I focus on creating seamless and reliable user experiences.

Javier Loureiro Pérez

Developer, Full Stack Developer, App Developer

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Hi, I'm Javier Loureiro Pérez, a versatile Software Engineer from Spain with extensive experience in Full Stack and Android development. I have a passion for technology and enjoy working on projects from start to finish, delivering high-quality and scalable solutions. I excel in both backend and frontend development, always aiming to meet project goals and deadlines. Whether it's developing mobile applications, backend systems, or data visualization, I focus on creating seamless and reliable user experiences.…Hi, I'm Javier Loureiro Pérez, a versatile Software Engineer from Spain with extensive experience in Full Stack and Android development. I have a passion for technology and enjoy working on projects from start to finish, delivering high-quality and scalable solutions. I excel in both backend and frontend development, always aiming to meet project goals and deadlines. Whether it's developing mobile applications, backend systems, or data visualization, I focus on creating seamless and reliable user experiences.

Available to hire

Hi, I’m Javier Loureiro Pérez, a versatile Software Engineer from Spain with extensive experience in Full Stack and Android development. I have a passion for technology and enjoy working on projects from start to finish, delivering high-quality and scalable solutions.

I excel in both backend and frontend development, always aiming to meet project goals and deadlines. Whether it’s developing mobile applications, backend systems, or data visualization, I focus on creating seamless and reliable user experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

Software engineer & Data Analyst at Avansig

January 1, 2025 - Present

Worked as a developer and data analyst, focusing on visualizing geospatial data and 3D objects. Used deck.gl to render interactive maps and spatial layers, and three.js to display 3D models of infrastructures and urban environments in the browser. Integrated complex geometries and lighting effects to enhance spatial data interpretation. Built dashboards and visualizations with Apache Superset from large datasets to help clients extract insights and monitor key metrics.

Full stack/Android Engineer at Dinogoal

January 1, 2023 - Present

Developed and maintained the entire mobile application available on the Play Store with over 1000 downloads. Handled both backend (Node.js and MongoDB, deployed via Docker on Google Cloud Run) and Android app development (Kotlin), leveraging modern Android practices. Managed feature implementation, troubleshooting, maintenance, and monetization through admob ads and in-app subscriptions.

Backend engineer at Nexbi

December 31, 2022 - July 10, 2025

Focused on creating and maintaining the core infrastructure of a social network for gamers. Developed robust backend systems using SQL, JavaScript, and PHP to support user interactions, data management, and real-time functionalities. Designed and optimized database architecture, ensured secure data handling, and collaborated with frontend team to deliver a seamless web experience.

Webmaster at Michollo

December 31, 2020 - July 10, 2025

Responsible for managing and maintaining the platform that curates and aggregates the best online deals. Oversaw website performance, updates, optimization, troubleshooting, and content management to improve user experience and search engine visibility.