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$35 USD / jam

são paulo,

brazil

$35 USD / jam

Saat ini 2:38 AM di sini

Bergabung Februari 26, 2015

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Valdenir F.

@kedonmkt

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são paulo,

brazil

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Senior Developer | ReactJS | NodeJS | React Native

am a Front-end Developer and UI/UX Specialist with over 17 years of experience in the IT industry, currently working at CT Voicer, a leading company in omnichannel solutions. My passion is to deliver robust, secure, and scalable applications that elevate the user experience and drive business growth and innovation. I have extensive knowledge and skills in React, Redux, Electron, Node JS, React Native, TypeScript, and other modern JavaScript technologies and libraries. I also have a background in SEO, digital marketing, and high-performance website development. I adhere to Agile methodologies, best practices, TDD, and Clean Code principles. I enjoy writing articles, researching, and learning new technologies. I am a self-taught and disciplined innovator, always looking for creative and effective solutions to complex challenges.

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Pengalaman

CT Voicer, Curitiba/PR (Remote) - Brazil

Mei 2020 - Sekarang

Leadership of a large Omnichannel ReactJS application using top-tier technologies such as monorepo, micro frontends, Redux, and redux-saga. Focused on seamless interactions, prioritizing excellence in UI/UX and responsive design. Adopted best practices including Clean Code, Architecture Patterns, Code Review, Code Splitting, and performance improvements, resulting in UIs up to 60% faster and easier to maintain and scale. Implemented testing and strategies for bug prevention.

Freelancer

Jan 2008 - Sekarang

Development of React web applications, WordPress themes, and PHP systems. Traffic management, planning and executing marketing campaigns for 20+ clients on Google, Facebook, and Instagram. UI/UX Designer for web systems, websites, and mobile apps. Over a decade of experience in SEO, Digital Marketing, Semantic Web, and high-performing websites. Development of mobile applications with React Native, utilizing Node.js for backend development.

Inlog, Curitiba/PR (Remote) - Brazil

Mei 2021 - Nov 2022 (1 tahun, 6 bulan)

Development of a desktop application using React + Electron Framework, creation of a large-scale ReactJS application integrated with the Leaflet map library, impersonate authentication, and map drawing features. Implemented a Design System to enhance overall system consistency, quality, and deployment speed.