Freelancer profile translated to English.
Back to original languageAbout Alexander
I am a Front-End Developer with experience in React.js, JavaScript, HTML5, CSS3, and MySQL. I have created everything from market list-type apps to complete platforms like SenaUnity for academic management. I handle states, effects, dynamic components, and responsive design. I combine functionality and aesthetics to achieve effective web experiences.
Spanish
Native or bilingual
Remote only
Primarily works remotely
Experience
- IndependienteTask Manager - Market ListSOFTWARE PUBLISHINGMarch 2025 - April 2025 (1 month)Armenia, Colombiahttps://lexito11.github.io/mercado/The above is the deployment of the projectRole: Front-End DeveloperTechnologies: React.js, JavaScript, CSS, HTML5Brief description:Developed a market list-type web application where users can add products with their respective prices, filter them, and view the current date automatically.Responsibilities:Implemented two main components:AgregarProductos: interactive form to enter products and prices.ListaProductos: dynamic display of added products, with alphabetical and price sorting.Programmed functional filters that allow organizing and searching for products efficiently.Integrated the necessary logic to display the current date in real-time, without having to reload the page.Designed the interface with HTML and CSS, ensuring it was fully responsive and functional on different devices.Results:A lightweight, fast, and intuitive application was obtained.Practical skills in React were strengthened, especially in state management (useState) and effects (useEffect).The project has the potential to be scaled to a more robust solution, such as a personal inventory management system.
- SENASoftware Analyst and DeveloperSOFTWARE PUBLISHINGOctober 2023 - July 2025 (1 year and 9 months)Armenia, Colombiahttps://front-talwind.vercel.app/the above deployment is for the project "this was with a development team, some things can only be seen because the database has to be run"Role performed: Frontend Software DeveloperWeb platform for the ICT management of the Commerce and Tourism Center of SENA Regional Quindío.Integrated modules for users: Apprentices, Instructors, Officials, and Administrators.Functionalities such as schedule management, instructor evaluation, interactive location, accessibility control, among others.Development of interfaces using React with a modular and reusable approach.Implementation of authentication with Firebase, allowing login with Google, GitHub, and Facebook.Integration of dynamic filters and interactive components (sliders, forms, maps).Documentation of user stories, functional requirements, and test plan.Functional tests to ensure correct operation by user type (apprentice, official).Functional application in a test environment with multiple access roles.Significant improvement in the centralization and visualization of institutional ICT information.Documented deliverables: user stories, test plan (SIGAF), test cases, and functional requirements.The project has the potential to expand to other SENA centers at the regional level.
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Education
- Software Analysis and DevelopmentSENA2025Programación orientada a objetos, lógica de programación, estructuras de datos y algoritmos. Desarrollo de aplicaciones web y móviles usando tecnologías como JavaScript, React.js, HTML5, CSS3 y bases de datos relacionales como MySQL. Análisis de requerimientos, modelado de sistemas, elaboración de casos de uso, diagramas UML y aplicación de metodologías ágiles como Scrum. Pruebas de software, control de versiones con Git, integración básica de APIs y despliegue en entornos productivos.