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Alfred Sosu was co-founder and lead developer of Copianto (2022–2025), building its web front end with Next.js and Redux Toolkit. Sosu is now a full-stack mobile developer at REasy (since 2024) and previously worked as a software engineer at Kofa (2023–2024) and a frontend developer at Cognate Systems (2020–2023), which builds a platform for African businesses to collect data through apps, USSD and SMS.