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Sebastián Arcila-Valenzuela is a Senior Software Engineer with extensive experience in backend development and algorithm engineering across various companies. Currently employed at Gigs, Sebastián plays a pivotal role in building a platform to sell phone and data subscriptions. Previous positions include Senior Software Engineer II at Catawiki, Senior Backend Engineer at GitLab Inc., and a notable tenure at Barista Ventures, where Sebastián developed a robust social network backend supporting over 10 million users. Additional experience includes positions at Authy, MIT, and We Heart It, contributing significantly to API development, antispam solutions, and user authentication systems. Sebastián holds a degree in systems engineering from Universidad EAFIT, with a strong proficiency in AWS, Ruby on Rails, and distributed databases.