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Rafael Alvarez Cardona
From Colombia 11:49 AM (GMT-05:00)
$20/hr or $43,000/yr

Active over a week ago


Member since Mar 2026

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Senior Frontend Developer

Front-end Engineer
Available for hire
Years of experience
5+ years
Experience level
Senior
Available for
Full-time, Part-time, Contract
Download Resume / CV

Senior Frontend Developer with 5 years of experience in building modern and scalable digital products. Specialized in React.js, Next.js and TypeScript, applying frontend architecture best practices. Solid experience in UI/UX implementation, accessibility, responsive layouts and REST API consumption. Focus on clean code, frontend testing, performance, SEO, and working collaboratively in agile teams.

Employment History

Lead Frontend Developer at Tikketfy Current 2025 - Now
Led the frontend architecture and development of Tikketfy, a multi-platform SaaS ticketing ecosystem for event management, point-of-sale operations, and e-commerce. Spearheaded 4 client-facing applications — an admin dashboard, a desktop POS terminal, a cross-platform mobile app (iOS/Android), and a white-label e-commerce storefront — serving as the primary frontend engineer responsible for technical decisions, architecture design, and end-to-end delivery
Frontend developer at Apiux(Coopeuch outsourcing) 2021 - 2025
Developed a reusable and dynamic component design system using Next.js and Storybook, reducing layout time by 60%. • Developed a system to simulate loans for bank members with active campaigns, using SOLID design patterns. • Active participation in code reviews, ensuring quality, consistency and good practices of the frontend. • Worked with QA to identify, analyze, and resolve defects in development and production environments. • Refactored existing code to improve application maintainability, performance, and scalability. Achievements • Improved usability and conversion rate of consumer loans by 45%. • Developed web applications for Chile's leading banking cooperative (700,000+ members). • Implemented SOLID patterns to improve code performance and scalability. GRUPODOT Frontend Developer March 2021 – August 2021 Responsibilities • Developed dashboards and web applications for private companies, such as a fuel price dashboard. • Monitored trucks and optimized operation times. Achievements • 60% reduction in losses in an Argentine mining company through a dashboard with a real-time map. • Reduced reporting time by 75% thanks to interactive dashboards that update automatically. • Improved operational decision-making by 40% with real-time KPI visualization. • Increased logistics efficiency by 30% through route optimization and fleet tracking.

Education

No education history.