10+ years of experience in fintech, travel tech, and food e-commerce. Specializing in React, Next.js, and TypeScript with a focus on performance optimization and delivering measurable business results.
10+
Years Experience
60%
Faster Load Times
30%
Conversion Boost
95+
Lighthouse Score
A selection of projects that showcase my skills and experience
Led the frontend redesign of a major e-commerce platform serving millions of users, resulting in significant improvements in performance and conversion rates.
Created and maintained a company-wide design system that unified the UI across 5 products and reduced development time by 40%.
Built a performant analytics dashboard with real-time data updates, complex filtering, and exportable reports.
A comprehensive toolkit built over 10+ years of frontend development
Daily drivers and core expertise
Solid experience with regular usage
Familiar with fundamentals
Described as proactive, a fast learner, and effective collaborator
“Renan consistently delivers high-quality frontend solutions. His expertise in React and performance optimization has been instrumental in achieving our Lighthouse score goals across multiple client projects.”
Team Lead
Engineering Manager at Planetary
“Working with Renan was a game-changer for our e-commerce platform. His 60% page load improvement directly contributed to our 30% increase in conversion rates.”
Product Manager
Product Lead at Previous Company
“Renan's ability to migrate legacy systems to modern React architecture while maintaining business continuity is remarkable. A true professional who understands both technical and business needs.”
Senior Developer
Tech Lead at DeOnibus
Whether you're looking for a frontend engineer to join your team, need consulting on a project, or want to collaborate on something exciting, I'd love to hear from you.