Hey, I'm Guilherme Illescas 👋
I build stuff for the web.
I'm a Senior front-end developer, proficient in building exceptional web apps with high performance and excelent user experience.
![Foto de Guilherme Illescas](/_next/image?url=%2Fassets%2Fokay_memoji.png&w=640&q=75)
Portflio
My jurney
![Previdenciarista's logo](/_next/image?url=%2Fassets%2Fcompanies-logos%2Fprevidenciarista.jpeg&w=96&q=75)
Full-time | 3 months
Senior Software Engineer
Dec 2023 - present - 3 monthsI am responsible for maintaining applications to the highest standards and ensuring stability for our 22,000+ active customers on the platform, enabling them to perform pension calculations and more. Additionally, I oversee the main website, ensuring it achieves the highest levels of SEO and performance. I enhanced the website's performance by 22%, improved SEO by approximately 9%, and implemented good practices, resulting in a 29% enhancement.
- Feature development: Development of new features using Next, HTML, Tailwind CSS, Typescript and React Hooks;
- SEO improvement: Implementation of SEO techniques using Google Analytics and Google Tag Manager;
- Bug fixes: Bug-fixing initiatives, enhancing software reliability and user satisfaction;
- Code refactoring: I am responsible to reduce tones of code lines, increasing development experience and improving the efficiency.
Abut me
As a front-end developer, I have developed multiple applications that have impacted over 1 million customers worldwide. I am always focused on providing an excellent user experience and high performance.
I am passionate about making the world a better place through my work and who I am. I enjoy helping people grow and empowering them to achieve results.
![Imagem de Guilherme Illescas](/_next/image?url=%2Fassets%2Fme.jpg&w=1080&q=75)