Johan Kovalsikoski
Senior Mobile Developer at CI&T
Rio Grande do Sul, Brazil
Summary
👤
Senior🎓
Top SchoolJohan Kovalsikoski is a Senior Mobile Developer with 11 years of experience specializing in Android engineering using Kotlin, Jetpack Compose, Clean Architecture and security-minded best practices. He has shipped user-centric apps across finance, fitness, education and event ticketing, often owning end-to-end delivery from design collaboration to production releases and launcher-level security solutions. Comfortable bridging product, design and backend, he also builds backend services in Kotlin/Spring Boot and is exploring KMP, Flutter and machine learning to broaden cross-platform capabilities. Johan has led SDK migrations, mentored junior developers, and repeatedly turned proofs of concept into hardened products—most notably a secure ticket-scanning launcher and a configurable analytics SDK for banking clients. Based in Rio Grande do Sul, Brazil, he brings a pragmatic blend of cross-cultural team leadership and hands-on implementation that accelerates delivery without sacrificing scalability or compliance.
11 years of coding experience
7 years of employment as a software developer
Análise e Desenvolvimento de Sistemas, Tecnologia da Informação, Análise e Desenvolvimento de Sistemas, Tecnologia da Informação at Escolas & Faculdades QI
Japanese, Portuguese, English
Stackoverflow
19reputation
1kreached
4answers
1question
Github Skills (15)
kotlin6
java6
debugging6
android-jetpack-compose6
android-studio6
android6
firebase6
android-layout6
android-jetpack6
python2
css1
layout1
sdk1
styles1
golang1
Programming languages (3)
Github contributions (5)
johankovalsikoski/SaitamasTraining
Apr 2019 - Jan 2021
Contributions:5 pushes, 2 branches in 1 year 9 months
johankovalsikoski/ComposePlayground
Mar 2022 - Aug 2022
Contributions:12 pushes, 1 branch in 5 months
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