Martino Christanto
Software Engineer at PayPay Corporation
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolMartino Christanto is a software engineer based in Tokyo with a decade of hands-on experience building scalable search and payment systems across high-traffic consumer platforms. He has led search-ranking initiatives and introduced ML-driven Learning-to-Rank solutions at Tokopedia, later scaling search relevancy services for Delivery Hero across 50+ countries and 25 languages. At PayPay he designed end-to-end gift and peer-to-peer payment flows, handling risk checks, payment failures, and large-scale money movement for millions of users. Proficient in Java/Kotlin (Spring Boot) and Go, he combines backend engineering with data-driven collaboration alongside data scientists and engineers. Known for improving system resilience and performance under heavy load, he brings both squad leadership experience and a knack for pragmatic, production-ready ML integration. Outside core projects, his background includes mobile engineering and teaching database courses, reflecting a broad technical foundation and a collaborative, mentorship-oriented approach.
10 years of coding experience
6 years of employment as a software developer
Bachelor’s Degree, Informatics, Bachelor’s Degree, Informatics at Institut Teknologi Bandung (ITB)Science, Science at SMA Kolese Loyola
Indonesian, English
Stackoverflow
1reputation
2kreached
2answers
1question
Github Skills (34)
in-progress9
android8
graph8
java8
bubble8
scanner7
panning7
mpandroidchart7
react7
qr-code7
android-application7
kotlin7
js6
binding6
android-layout6
Programming languages (6)
Github contributions (5)
martinock/BayarTol-android
Jun 2017 - Jul 2017
Toll paying android application using QR Code scanner to optimize the transaction process
Contributions:37 commits, 34 pushes, 2 branches in 1 month
qrcodescannerandroidtransactiontoll
martinock/AttendanceDetector
Mar 2018 - Aug 2018
Contributions:2 PRs, 69 pushes, 2 branches in 4 months
detectflaskpython
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