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.

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Previdenciarista

Full-time | 3 months

Senior Software Engineer

Dec 2023 - present - 3 months

I 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.

Ab
ut 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.

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