Hey, I'm Guilherme Illescas đź‘‹
I build stuff for the web.
I'm a Senior Software Engineer specializing in high-performance web applications with exceptional user experiences.
Portflio
My jurney
Full-time | over 1 year
Senior Software Engineer
Dec 2023 - present - over 1 yearI 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 senior software engineer, I have designed and developed high-performance applications that have reached over 1 million users worldwide. My expertise lies in crafting seamless user experiences, optimizing performance, and building scalable solutions that drive business success.
Beyond coding, I am passionate about empowering people and fostering growth—both in the products I develop and in the individuals I mentor. My goal is to leverage technology to create meaningful impact and transform the way people interact with digital experiences.
