Keivan Esbati
Android Engineer at Rakuten
Greater Tokyo Area Japan
Summary
👤
Senior🎓
Top SchoolKeivan Esbati is an Android engineer with 9 years of experience, currently leading cross-organizational Android efforts at Rakuten from the Greater Tokyo Area. He blends hands-on implementation—refactoring large codebases, merging disparate apps, and migrating authentication—with people leadership, having hired and mentored 15+ engineers and coordinated 30+ engineers across 10+ teams. A proponent of clean architecture and automated testing, he has repeatedly improved release velocity and testability through CI/CD, dependency injection, and modularization. His background includes co-founding a travel marketplace and delivering enterprise mobile solutions in the power industry, giving him both startup grit and large-scale delivery experience. Beyond code quality, he drives engineering culture, standards, and architecture decisions to ensure features are feasible, well-scoped, and smoothly integrated.
9 years of coding experience
4 years of employment as a software developer
B.Sc, Computer Software Engineering, 4, B.Sc, Computer Software Engineering, 4 at Imam Khomeini International University
English, Japanese
Stackoverflow
3,395reputation
637kreached
112answers
4questions
android
top-5%
Github Skills (52)
firebase-remote-config10
android-sdk10
firebase-realtime-database10
sdk10
firebase-storage10
firebase-inappmessaging10
persian-calendar10
firebase-database10
firebase-functions10
firebase10
geofencing9
kotlin9
crashlytics9
firestore9
android-app9
Programming languages (3)
Github contributions (5)
Tenkei/Calendor
Nov 2016 - Jan 2020
Calendor is a simple material calendar designed with functionality and ease of use in mind
Contributions:10 releases, 202 commits, 40 PRs in 3 years 2 months
calendarmindease-of-usematerial-calendar
Tenkei/Kluent
Jan 2020 - Jan 2020
Fluent Assertion-Library for Kotlin
Contributions:4 pushes, 1 branch in 3 days
assertion-libraryassertionstestingkotlinassertion
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