Renato Cardoso Pereira
@renatocardosopereira
Senior Front-end Developer specializing in high-performance user interfaces.
What I'm looking for
I'm a Senior Front-end Developer with over 10 years of experience, all in remote work, specializing in crafting high-performance user interfaces with a strong focus on user experience. My expertise in JavaScript, React, CSS, and Next.js has been demonstrated through impactful projects at scale. I thrive in remote environments, honing my ability to work autonomously while maintaining excellent asynchronous communication.
In my most recent role at CloudWalk Technology, I led the complete restructuring of the online payment system for a fintech valued at over $1 billion. This project involved unifying two systems into a monorepo and integrating a complex payment system, enhancing security and development velocity. My previous experience includes developing an HTML and JavaScript application for Brazil's largest streaming platform, where I optimized performance for low-end devices, ensuring a seamless user experience across varying hardware specifications.
I am currently seeking new challenges in an international and remote environment, where I can leverage my expertise and passion for web development to contribute to innovative projects.
Experience
Work history, roles, and key accomplishments
Senior Front-end Developer
CloudWalk Technology
Oct 2023 - Dec 2024 (1 year 2 months)
Led the complete refactoring of the company's non-present card application into a Next.js 14 monorepo, optimizing performance and maintainability. Implemented advanced state management using XState and established a shared codebase across three distinct systems. Delivered a unified core for the payment process, resulting in a successful deployment with increased approval rates and prevention of si
Senior Front-end Developer
StormX
Mar 2022 - Oct 2023 (1 year 7 months)
Responsible for developing new features and optimizing the performance of a React and Rust desktop application for creating animated digital assets. Implemented batch export functionality, enabling simultaneous generation of various assets from tables with multiple values. Led a near-complete refactoring of the tool's code, resulting in a more robust and efficient foundation, and developed an onli
Senior Front-end Developer
ACT Digital
May 2021 - Mar 2022 (10 months)
Developed new functionalities for the smart TV application of Brazil's largest streaming platform, Globoplay, utilizing React and CSS. Overcame usability and performance limitations on low-end devices by optimizing the user experience. Created an innovative proof-of-concept demonstrating the feasibility of a single application running seamlessly on both low-end and high-end TVs, maintaining all fu
Education
Degrees, certifications, and relevant coursework
Cefet/RJ - Centro Federal de Educação Tecnológica Celso Suckow da Fonseca
Bachelor of Information Systems, Information Systems
2014 - 2019
Graduated with focus on web development and high performance applications.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Website
renatopereira.devSalary expectations
Social media
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