Rangga Garmastewira
Software Engineer at TikTok
Singapore
Summary
👤
Senior🎓
Top SchoolRangga Garmastewira is a seasoned software engineer based in Singapore with a decade of experience and over seven years focused on payments and wallet systems. He has led high-impact migrations and performance scaling at Shopee—sharding 300 million e-wallet records and reimplementing key services (Python to Go) to achieve 4x–10x throughput improvements—before joining TikTok’s Global Payment team. Comfortable managing cross-functional engineering teams and building payment processing platforms from integrations to monitoring, he blends hands-on backend systems work with people leadership. His background includes AI-adjacent features early in his career and teaching experience at Institut Teknologi Bandung, reflecting a knack for translating complex technical concepts into practical solutions and mentoring others.
10 years of coding experience
6 years of employment as a software developer
Bachelor of Engineering - BE Computer Science, Bachelor of Engineering - BE Computer Science at Institut Teknologi BandungHigh School Science, High School Science at SMA Negeri 3 Bandung
English, Indonesian, Chinese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (10)
java4
python3
sdk2
messaging-api2
api2
bot-framework1
go1
lark1
messaging1
golang1
Programming languages (2)
Github contributions (5)
ranggarmaste/course-scheduling
Sep 2016 - Oct 2016
Contributions:16 commits, 9 pushes, 1 branch in 14 days
ranggarmaste/mocho-api
Feb 2017 - Oct 2017
Contributions:30 pushes, 1 branch in 8 months
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