Joseph Rosaria
@josephrosaria
Front-end developer specializing in React, Next.js and high-performance web apps.
AustraliaWhat I'm looking for
I am a Front-End Developer with 10+ years building web applications for SaaS, media, and enterprise customers, focused on delivering high-performance, user-centered solutions.
I specialize in React.js, Next.js, TypeScript and modern JavaScript (ES6+), and I consistently build reusable component libraries and scalable architectures that accelerate feature delivery.
I have a strong track record working in Agile/Scrum teams, improving engagement and performance—examples include increasing user engagement by 25% and accelerating feature development by 30% at large-scale products.
I value code quality, mentorship, and continuous delivery practices, and I bring hands-on experience with CI/CD, cloud services, testing, and integrations to support reliable production releases.
Experience
Work history, roles, and key accomplishments
Front End Developer
Delivered responsive React applications for high-traffic booking systems, improving user engagement by 25% and accelerating feature delivery through reusable components and Redux state management by 30%.
Front End Developer
RSVP.com.au Pty Ltd
Developed React/TypeScript frontend features for an event discovery and ticketing platform supporting 50k+ monthly users and integrated payment, analytics, and CMS APIs to streamline booking workflows.
Software Developer
Deltek
Implemented web modules and internal tools with JavaScript, HTML/CSS and backend integrations for enterprise project-based software, and mentored junior developers to improve code quality.
Front End Developer
Swift Networks Group Limited
Built client-facing web portals using React and SCSS, applied Agile and CI/CD practices, and increased component reusability while reducing code duplication by 20%.
Education
Degrees, certifications, and relevant coursework
De La Salle University - Dasmariñas
Bachelor's Degree, Information Technology
2006 - 2011
Completed a Bachelor's degree in Information Technology with coursework and projects related to web and software development.
Tech stack
Software and tools used professionally
Availability
Location
AustraliaAuthorized to work in
Job categories
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