Renan Kosicki
CTO at Skeelo
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolRenan Kosicki is a seasoned technology executive and CTO based in São Paulo with 11 years of experience leading mobile-first engineering organizations and shipping consumer-facing apps at scale. He grew from hands-on iOS developer to Tech Lead and Engineering Manager, publishing dozens of apps for major Brazilian brands and optimizing infrastructure to cut costs by roughly $150k while improving performance. At Skeelo he combines strategic product leadership with deep technical fluency across iOS, Node.js, Java, AWS/GCP, Docker and Kubernetes to keep delivery predictable and aligned with business goals. Renan has a track record of building and coordinating cross-functional teams, instituting KPIs and agile practices, and automating release pipelines for faster, safer deployments. He brings a practical emphasis on legacy modernization and cost-conscious cloud architecture alongside a persistent focus on shipping polished mobile experiences. An entrepreneur and minority shareholder, he balances product intuition with operational rigor to scale engineering in fast-moving fintech environments.
11 years of coding experience
9 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Universidade Anhembi MorumbiAndroid Developer Computer Programming Specific Applications, Android Developer Computer Programming Specific Applications at CaelumiOS Gaming course (Cocos2D) Games, iOS Gaming course (Cocos2D) Games at iai?iOS Developer Computer Programming Specific Applications, iOS Developer Computer Programming Specific Applications at Impacta
português - nativo, inglês - intermediário, espanhol - básico
Stackoverflow
2,890reputation
205kreached
7answers
6questions
ios
top-5%
swift
top-5%
Github Skills (110)
uipageviewcontroller10
highlight10
uiview10
swiftui10
picture-in-picture10
alerts10
nib10
iphone-x10
custom-fonts10
avplayer10
brightness9
swift9
attributedstring9
epub9
wave9
Programming languages (7)
Github contributions (5)
kosicki123/AFRKNetworking
Jul 2015 - Aug 2015
Contributions:15 commits, 15 pushes in 27 days
networkingswiftiosos-xmacos
kosicki123/exploding-monkeys
Sep 2015 - Sep 2015
Contributions:14 commits, 9 pushes, 1 branch in 1 day
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