Janaka L
Senior Frontend Engineer at Jago Coffee
Special capital Region of Jakarta, Indonesia
Summary
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SeniorJanaka L is a Senior Frontend Engineer with a decade of experience building high-performance mobile and web applications, specializing in React Native, TypeScript, Firebase, and CI/CD automation. He has led architecture and implementation for consumer-facing apps like Cosmart and Jago Coffee, focusing on modular, reusable code that improved user engagement and retention across Android and iOS. Comfortable shifting between mobile and web (React.js/Next.js), he pairs product-focused design collaboration with rigorous code review and performance optimization. His freelance background demonstrates an ability to deliver end-to-end solutions and adapt to diverse projects and teams. Based in Jakarta, he combines hands-on development with mentoring and leadership, positioning himself to take on larger front-end challenges. A pragmatic problem-solver, he often surfaces UX-driven technical tradeoffs that directly boost conversion and stability.
10 years of coding experience
6 years of employment as a software developer
Indonesian, English
Github Skills (17)
react-native-component10
image9
preload9
image-loading8
react-native7
nitro7
progressive7
react7
pdf6
java6
android5
ios4
objective-c4
kotlin4
swift4
Programming languages (3)
Github contributions (5)
katanyaJATI/react-native-image-blur-loading
Sep 2019 - Jan 2023
React Native component for progressive image loading.
Contributions:13 commits, 8 pushes, 2 branches in 3 years 4 months
reactimagereact-nativereact-native-componentprogressive-image-loading
katanyaJATI/katanyaJATI.github.io
Dec 2019 - Apr 2021
Contributions:13 pushes, 1 branch in 1 year 3 months
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