Summary
Rafael Zeffa is a pragmatic full-stack software engineer and team lead with over a decade of professional experience building scalable web platforms and integrations from Brazil. He has driven end-to-end features for hiring products at Ladders, built eCommerce core systems and third-party integrations at Clevertech, and led microservice-based enterprise projects as a tech lead. Comfortable across backend, frontend and DevOps concerns, he has repeatedly improved delivery through CI/CD, testing, performance tuning and pragmatic architecture decisions. Rafael’s background includes domain work in logistics, telecom sales, ERP integrations and regulatory data flows, giving him a knack for connecting systems across complex business processes. Based in Paraná, he pairs hands-on implementation skills with experience mentoring teams and introducing engineering best practices. A detail often overlooked: he consistently focuses on reliability and observability when integrating external services, reducing friction in production.
11 years of coding experience
12 years of employment as a software developer
Technologist in Information Systems., Information Technology, Technologist in Information Systems., Information Technology at Universidade Norte do Paraná
English