Rohyller Pereira - Web Designer | ContraWork by Rohyller Pereira
Rohyller Pereira

Rohyller Pereira

Web and app developer, database management.

Ready for work

Rohyller is ready for their next project!

Cover image for Developed a full-stack raffle system
Developed a full-stack raffle system featuring user ticket purchasing, number tracking, and real-time result visualization. Built a secure admin dashboard to review payment captures, allowing manual approval or rejection of ticket proposals. Integrated an automated email system that instantly notifies users about their submission and payment verification status. Configured real-time alerts so administrators receive immediate notifications the moment a new proposal is submitted. This project seamlessly combines secure transaction workflows, role-based authentication, and automated user communications.
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Cover image for Results-driven Full-Stack Developer ready to
Results-driven Full-Stack Developer ready to build your next web or mobile solution. I specialize in modern tech stacks, including Vue.js, Node.js, Laravel, and hybrid mobile development with Ionic and TypeScript. From integrating advanced AI APIs (like Gemini) to optimizing relational databases and implementing rigorous automated testing, I focus on delivering secure, maintainable, and lightning-fast software. Let's connect to streamline your development process and build a product your users will love
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Cover image for Pathwork is a lightweight web
Pathwork is a lightweight web tool designed for fast and seamless file conversion, supporting basic formats like audio, video, and PDFs. It features an intuitive user interface that allows users to trim, compress, and transform files directly in the browser. A beta version is currently available with certain conversion limits to test performance and stability. You can explore the complete codebase and contribute via the official repository at https://github.com/RohyllerP/Pathwork_full. This project showcases efficient front-end design paired with practical, utility-driven file processing.
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Cover image for RecallNest is a landing page
RecallNest is a landing page built to showcase an intelligent flashcard application designed for language learners. The site highlights the app's core features, including an adaptive Spaced Repetition System (SRS) algorithm, gamified study modes, and deep progress tracking analytics, guiding users seamlessly toward the Google Play Store download
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