André Ginja
@andrginja
Senior Full-Stack Engineer specializing in scalable React/Next.js and Web3 integrations.
What I'm looking for
I am a Senior Full-Stack Engineer with 5+ years building high-performance, scalable applications across eCommerce, DeFi, NFT, and blockchain ecosystems.
At Rarible I led multichain architecture and integrated 14+ blockchains into a white-label marketplace used by major brands and over 1 million monthly users, while improving build times and automation.
At Cazoo I drove a 600% increase in homepage car-selling conversions and improved Web Vitals by 32% through frontend reengineering and enhanced observability and SEO automation.
I found and run a digital brand with 20M+ interactions and build AI-driven content tools; I focus on practical, measurable impact, developer productivity, and secure, production-grade Web3 integrations.
Experience
Work history, roles, and key accomplishments
Spearheaded multichain architecture and integrations for a next-generation NFT marketplace, integrating 14+ blockchains and supporting major brands while reducing build time by 35% and cutting marketplace creation from 1 week to 2 days.
Software Engineer
Cazoo
Jan 2022 - Jun 2023 (1 year 5 months)
Rebuilt core frontend flows to increase homepage car-selling conversions by 600% and improved Web Vitals by 32% through fetch logic optimization while leading observability and SEO automation efforts.
Contributed to platform engineering tasks as part of the OutSystems team, developing enterprise-grade low-code features and supporting product delivery timelines.
Education
Degrees, certifications, and relevant coursework
University of Lisbon, Faculty of Sciences
MSc & BSc in Computer Engineering, Computer Engineering
Completed Bachelor and Master studies in Computer Engineering at the Faculty of Sciences, University of Lisbon.
Availability
Location
Authorized to work in
Website
andginja.comPortfolio
andginja.comJob categories
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