Willian Ferreira is a software engineer based in São Paulo with over 9 years of professional experience and 15+ years in tech, specializing in integrations across payments, messaging, and cloud operations. He has moved between startups and large platforms—helping scale real-time SaaS at Whaticket, designing cross-border payment integrations at EBANX, and supporting production cloud customers as a Technical Account Manager at AWS. Comfortable across the full stack, Willian pairs hands-on coding and SQL work with L2/L3 support and customer-facing proof-of-concepts that reduce operational risk. His background founding a tech services company and long freelance stint give him a pragmatic product mindset and an ability to own features end-to-end. Colleagues rely on him for critical escalations and architecture trade-offs that balance reliability and speed. He brings a practical blend of systems thinking and customer empathy to complex integration challenges.
8 years of coding experience
14 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Universidade Paulista
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