Ciro Spaciari is a seasoned software professional currently serving as a Member of Technical Staff at Anthropic since December 2025. Prior to this role, Ciro was a Software Engineer at Bun, contributing to the development of a new JavaScript runtime, and held the position of Technical Lead at WeContent, focusing on performance optimizations and architecture. Ciro's experience includes significant roles such as Senior Software Engineer at Sorte Online, where oversight was provided for a major lottery site in Brazil, and at Mountain Code, working on a bitcoin exchange in Europe. Ciro also founded Store Clouding, developing custom applications and exploring new technologies. Educational background includes studies at UTFPR - Universidade Tecnologica Federal do Paraná.
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