Arief Rahmansyah is a Machine Learning Engineer based in Singapore with a strong full-stack background and a track record of building payment and transaction systems that serve millions of users. Over a decade at Tokopedia and now GoTo Group, he has led payment optimization, built resilient gateway middleware, and implemented PCI-DSS compliant flows, monitoring, and automated recovery features to improve payment success and user experience. He combines product-focused leadership with hands-on implementation of risk-based authentication, auto-refund/void systems, and monitoring instrumentation like Prometheus. An early NLP researcher and game developer, he brings research curiosity to production problems and enjoys teaching and mentoring developers. Known on GitHub as a friendly neighborhood engineer, he favors detail- and process-oriented solutions that scale.
55 years of coding experience
6 years of employment as a software developer
Undergraduate Computer Science, Undergraduate Computer Science at Kasetsart University
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Universitas Sriwijaya
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Arief Rahmansyah - Machine Learning Engineer at GoTo Group