Mathias Grondziel

- Custom Web/Applications Development: Showcase Websites, E-commerce, and Dynamic Platforms - Bug fixing and performance optimization to enhance speed and efficiency. - Strengthening website security to prevent vulnerabilities. - WordPress website migration and redesign. - Direct collaboration with clients to address specific needs and offer tailored solutions. ➡️ Technical stack: ReactJS, NextJS, TypeScript, WordPress, Node.js, TailwindCSS, Bootstrap, SCSS.

- Contributed to the development of the company's showcase website. - Improved UI/UX of internal platforms for a better user experience. - Collaborated with the backend team in English to ensure seamless API integration. - Developed advanced features, including interactive charts and data visualization. - Implemented complex filtering systems for data processing and analysis. - Optimized application performance and responsiveness. ➡️ Tech stack: ReactJS, REST API, Bootstrap, ChartJS, Figma.

- Custom WordPress Website Development from a Blank Theme, Without a Builder - Bug detection and correction, migrations, updates, and website optimization. - Management of content publishing and maintenance of client websites. - Teamwork using Agile/Scrum methodology with designers and developers. - Client support and training on website management. ➡️ Technical stack: WordPress, PHP, JavaScript, jQuery, Bootstrap, SCSS, Figma.

- Client Advice for Gardening Product Selection - Setting up the product shelves. - Customer service and checkout.

- Meal delivery by bike