William Koller is a Senior Backend Software Engineer with 8 years of experience focused on scalable systems, software architecture, and distributed systems. Currently employed at Banco Itaú and BRQ Digital Solutions, they have led initiatives to optimize costs and improve performance in multiple high-availability systems. Previously, Koller held positions at various companies, contributing to complex software projects using technologies such as Go, Node.js, and AWS. They are passionate about building robust backends and ensuring code quality through best practices and continuous improvement. Koller is also a content creator, sharing knowledge on programming through their YouTube channel.
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