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Marcel Oliveira Alves — Mobile Development freelancer in São Paulo - State of São Paulo
@marcel-oliveira-alvesEstimated
São Paulo - State of São Paulo, Brazil
Marcel is a senior iOS engineer with 7+ years of experience building scalable, user-centric solutions using Swift and Objective-C. He interned at Google on YouTube's iOS app and worked as a back-end engineer at Amazon. At Angi, he led the migration to OIDC, boosting security and scalability. He also built an internal A/B testing library powering four apps and streamlined the iOS build process, cutting build time by around 45% and pipeline costs by around 70%.
Building — top 7% on LanceRank · 8 verified projects across 1 platform.
At a glance
Marcel Oliveira Alves is a Mobile Development freelancer based in São Paulo - State of São Paulo with verified Toptal reputation, estimated LanceRank Score 41/100 (Building), last updated 2026-05-27 on LanceRank.
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What they do
Projects & expertise
Skills
XcodeSwiftiOSFull-stackMacOSSlack Development
