Luiz – Next.js, React, Typescript

The client was the premier producer and publisher of video-based resources designed to enhance research and education in science, medicine, and engineering. By offering high-quality, peer-reviewed visual content, they helped researchers and educators improve productivity, streamline learning, and advance scientific discovery.

Luiz's main scope of responsibilities included the following:

• implemented responsive designs and front-end optimizations to improve user experience;
• collaborated with cross-functional teams to ensure seamless system integration;
• delivered high-quality, maintainable code while adhering to best practices and contributing to overall codebase improvements.

The project was a pioneering streaming service dedicated to electronic music, offering an extensive collection of expertly curated, genre-specific channels. Launched in the early days of online streaming, it has grown into a go-to platform for electronic music enthusiasts worldwide, providing high-quality audio, exclusive mixes, and a seamless listening experience. With a diverse range of styles—from house and trance to techno and ambient—this service catered to every electronic music taste, fostering a vibrant global community of listeners and artists.

Among others, Luiz carried out the following:

• worked on the redesign of the authentication system;
• built from scratch a modular system to manage Sendgrid e-mail templates for the entire platform.

One of the largest retail chains in Brazil, known for offering a diverse range of fashion, beauty, and home products. With a strong online and offline presence, it provided a seamless shopping experience to millions of customers, combining innovation, accessibility, and high-quality service.

Luiz's contributions included, but were not limited to the following:

• refactored and optimized legacy front-end codebases, enhancing performance and maintainability;
• implemented accessibility best practices (WCAG) and UX enhancements, ensuring an inclusive and seamless user experience across devices.

This project was developed around a comprehensive point-of-sale solution founded in Brazil, designed to help businesses manage sales, inventory, and customer interactions efficiently. It provided seamless integration with various payment methods and business tools, enabling retailers to streamline operations and enhance their overall efficiency.

As a Head of the Front-end department, Luiz performed such duties:

• re-implemented the legacy app from AngularJS to React;
• defined and maintained the architecture of the main application;
• implemented mono repo solutions for component re-usage between multiple apps;
• conducted regular one-on-ones with the Front-End team of 3 engineers;
• managed code reviews and technical support for the Team.