About Jose Alejandro
Spanish
Native or bilingual
English
Fluent
Experience
- FreelanceFront end DeveloperOctober 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.
- FlykubeFront End DeveloperMay 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.
- Ministerio de Defensa de EspañaSoftware DeveloperMay 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.
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Education
- UI Web DesignRefactoringUI2026UI Web Design
- Specialization in ThreeJS Threejs Journey Course2025Specialization in ThreeJS Threejs Journey Course