Federico Ramallo is the founder and CEO of DensityLabs, a firm that sources from the top 2% of Mexican software engineers to help US companies scale their engineering teams. They are the founder and CEO of PrevettedAI, leading a company focused on delivering pre-vetted, highly skilled engineers—particularly from LATAM—with emphasis on English fluency and cultural fit. They were co-founder and CTO of Tangosource from 2009 to 2016, where they trained and built a team of 20 full‑stack developers and designed a comprehensive training program for more than 50 developers. They served as a Full-Stack Mentor at theFirehoseProject from 2015 to 2024, teaching JavaScript and Ruby on Rails and sharing real‑world insights from their software development career.
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