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Jose Alejandro Zaquinaula RamonJA

Jose Alejandro Zaquinaula Ramon

Front end Developer / 3D Graphics / JavaScript

€125/day
Barcelona, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jose Alejandro

Software Developer specialized in video games and interactive technologies, with solid experience in React.js, and video game development with Unreal Engine and Three.js. Currently focused on applying my skills to 3D development on the web. Specialist in creating immersive web experiences through the creation of complex 3D scenes. Expert in importing and optimizing models from Blender, implementing physics, post-processing, and custom shaders (GLSL) to achieve a high level of realism and performance.
  • Spanish

    Native or bilingual

  • English

    Fluent

Can work on-site
Barcelona (up to 50km)

Experience

  • Freelance
    Front end Developer
    October 2022 - Today (3 years and 8 months)
    Barcelona, Spain
    ● Refactoring and optimization of code in React and Three.js (instanced meshes, frustum culling) to maximize FPS.
    ● Full-stack frontend development with JavaScript / TypeScript and React for scalable web solutions.
    ● Use of PBR textures (Normal, Metalness, AO Maps) and HDRI environments for creating realistic scenes.
    ● Professional collaboration with Design and Marketing teams, ensuring technical and visual cohesion of the product.
    ● Creation of complete scenes by configuring advanced lighting, shadows, and dynamic cameras.
    React.js three.js R3f JavaScript WebGL
  • Flykube
    Front End Developer
    May 2021 - May 2022 (1 year)
    Barcelona, Spain
    ● Development of key features in React for a travel experiences web platform.
    ● Collaboration with the UI/UX team for visual redesign and improvement of user experience.
    ● Performance optimization and code refactoring with a focus on scalability.
    ● Implementation of commit conventions and agile workflows.
    UI Web Design React.js HTML/CSS Technical testing Git
  • Ministerio de Defensa de España
    Software Developer
    May 2022 - May 2025 (3 years)
    Zaragoza, Spain
    • ● Managed version control and collaborative workflows using Git, ensuring seamless integration within a global developer community.
    • ● Mentored junior developers on modern frontend best practices and the effective use of AI tooling for research and analysis.
    • ● Contributed to the full software development lifecycle, from initial requirement gathering to deployment and post-launch maintenance.
    • ● Improved application load times by implementing advanced Webpack bundling strategies and lazy-loading.
    Webpack Figma React.js HTML/CSS GLSL

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Education

  • UI Web Design
    RefactoringUI
    2026
    UI Web Design
  • Specialization in ThreeJS Threejs Journey Course
    2025
    Specialization in ThreeJS Threejs Journey Course

Skill set

Categories