I'm a passionate React Developer with over 8 years of experience in creating responsive and high-performance web applications. I love collaborating with cross-functional teams and transforming complex design ideas into seamless user experiences. My expertise lies in utilizing modern technologies to build scalable applications while ensuring optimal performance.

Raphael Miranda

I'm a passionate React Developer with over 8 years of experience in creating responsive and high-performance web applications. I love collaborating with cross-functional teams and transforming complex design ideas into seamless user experiences. My expertise lies in utilizing modern technologies to build scalable applications while ensuring optimal performance.

Available to hire

I’m a passionate React Developer with over 8 years of experience in creating responsive and high-performance web applications. I love collaborating with cross-functional teams and transforming complex design ideas into seamless user experiences. My expertise lies in utilizing modern technologies to build scalable applications while ensuring optimal performance.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Mobile Developer at DEMG
May 1, 2023 - June 24, 2024
Built and optimized responsive, mobile-first user-facing components using React.js and React Native. Collaborated with backend team to integrate RESTful APIs into Android and iOS mobile apps. Led UI testing and debugging efforts across multiple screen sizes and OS versions.
Full Stack Engineer at Printful
January 1, 2020 - October 31, 2024
Developed and maintained full-stack e-commerce platforms and internal mobile apps for operations using React Native and Kotlin. Spearheaded Android app development for logistics and inventory tools used by internal staff, improving task speed by 30%. Integrated mobile apps with Firebase and AWS services for push notifications, authentication, and analytics. Optimized mobile app performance, reducing load time by 40% on Android.
Front End Developer at Etsy
January 1, 2020 - October 31, 2024
Designed and implemented mobile UI/UX for internal and customer-facing tools using Swift and React Native. Partnered with design and product teams to launch booking and listing tools across iOS and Android platforms. Conducted rigorous mobile QA testing, ensuring compatibility across major Android versions. Improved accessibility and performance on Android, resulting in a 25% increase in engagement metrics.
Mobile Developer at Cartzy Emporium
May 1, 2022 - March 31, 2023
Built and maintained cross-platform e-commerce mobile apps using Flutter and Java/Kotlin. Collaborated on features like mobile checkout, customer account management, and push notifications. Ensured app responsiveness and scalability across Android and iOS platforms. Launched major version upgrade for Android app with over 2,000 monthly active users.
Full-Stack Web Developer at DEMG
May 1, 2023 - Present
Developed and optimized user-facing Android applications using Kotlin and Jetpack Compose, ensuring seamless performance across devices. Integrated RESTful APIs for data retrieval and synchronization, collaborating closely with backend teams. Led UI/UX improvements and testing efforts to ensure compatibility across Android versions and screen sizes. Developed and optimized React-based user interfaces, improving page load speed by 35% through code splitting and lazy loading. Built reusable UI components with React Hooks and Context API, reducing redundant code by 40%. Designed and maintained Laravel-based backend services, improving API response times by 40% through query optimization and caching. Developed secure RESTful APIs with JWT authentication and rate limiting. Migrated legacy monolith to modular Laravel architecture, reducing technical debt by 30%. Developed modular and reusable Angular components to streamline UI development across multiple product lines. Spearheaded migration
Frontend Engineer at Printful
October 31, 2024 - July 28, 2025
Led development of dynamic e-commerce dashboards using React, enhancing user engagement by 25%. Migrated legacy jQuery components to modern React, improving maintainability and performance. Implemented responsive design principles to ensure cross-device compatibility.
React Developer at Etsy
October 31, 2024 - July 28, 2025
Built and maintained high-traffic components using React and Next.js in a server-side rendering (SSR) setup. Implemented advanced filtering and product search functionality, significantly enhancing user engagement. Developed unit and integration tests using React Testing Library and Jest to ensure component stability. Participated in bi-weekly sprint planning and retrospectives, contributing to process improvements. Optimized SEO and Core Web Vitals, leading to a 20% increase in organic search traffic.
Full Stack Developer at Cartzy Emporium
March 31, 2023 - July 28, 2025
Developed custom Laravel CMS for product management, reducing content update time by 60%. Architected multi-tenant SaaS backend with role-based access control (RBAC). Automated deployment pipelines using GitHub Actions, reducing release cycles by 40%.
Full-Stack Laravel Developer at DEMG
May 1, 2023 - November 6, 2025
Designed and maintained Laravel-based backend services for a multi-tenant event management platform, improving API response times by 40% through query optimization and caching. Developed secure RESTful APIs for mobile and web clients.
Full Stack Engineer at Printful
October 1, 2024 - October 1, 2024
Built scalable e-commerce order processing systems using Laravel, handling over 10,000 daily transactions. Implemented AWS S3/CDN for asset delivery, reducing server load by 25%.
Backend Developer at Etsy
October 1, 2024 - October 1, 2024
Optimized MySQL databases for marketplace listings, reducing query latency by 50%. Created admin microservices with Laravel for internal tooling, improving operational efficiency.
Full Stack Developer at Cartzy Emporium
March 1, 2023 - March 1, 2023
Developed custom Laravel CMS for product management, reducing content update time by 60%. Architected multi-tenant SaaS backend with role-based access control (RBAC).
Full-Stack Developer at DEMG
May 1, 2023 - Present
Developed user-facing Android applications using Kotlin, ensuring seamless performance across devices. Improved React-based user interfaces, resulting in a 35% increase in page load speed and reduced redundant code by 40% through reusable components.
Frontend Engineer at Printful
January 1, 2020 - October 1, 2024
Maintained and enhanced e-commerce frontend interfaces using React and Tailwind CSS. Conducted code reviews and mentored junior developers, improving data retrieval speed by 25% through collaboration with backend teams.
React Developer at Etsy
January 1, 2020 - October 1, 2024
Optimized MySQL databases and created admin microservices, improving operational efficiency and reducing query latency by 50%. Implemented caching for high-traffic endpoints, increasing API throughput.
Full Stack Developer at Cartzy Emporium
May 1, 2022 - March 1, 2023
Built a responsive online storefront with React and Redux, supporting over 10,000 users monthly. Integrated Firebase for real-time updates and improved the checkout experience.

Education

Bachelor of Computer Science at Don Mariano Marcos Memorial State University
January 1, 2015 - December 31, 2017
B.S. in Information Technology at Brigham Young University – Idaho
January 1, 2021 - December 31, 2024
B.S. in Mechanical Engineering at Don Mariano Marcos Memorial State University
January 1, 2015 - December 31, 2017
B.S. in Information Technology at Brigham Young University – Idaho
January 1, 2021 - January 1, 2024
B.S. in Mechanical Engineering at Don Mariano Marcos Memorial State University
January 1, 2015 - January 1, 2017
B.S. in Information Technology at Brigham Young University – Idaho
January 1, 2021 - January 1, 2024
B.S. in Mechanical Engineering at Don Mariano Marcos Memorial State University
January 1, 2015 - January 1, 2017

Qualifications

Designing Websites for Performance – LinkedIn
May 1, 2023 - May 31, 2023
Technical WordPress SEO – LinkedIn
June 1, 2023 - June 30, 2023
Designing Websites for Performance
May 1, 2023 - November 6, 2025
Technical WordPress SEO
June 1, 2023 - November 6, 2025
Designing Websites for Performance
May 1, 2023 - December 3, 2025
Technical WordPress SEO
June 1, 2023 - December 3, 2025

Industry Experience

Software & Internet, Retail, Transportation & Logistics, Consumer Goods, Media & Entertainment, Professional Services