Rheza Satria is a Lead Software Engineer with 11 years of cross-domain experience building payments, finance, and digital banking platforms across Indonesia’s largest fintech and banks, currently leading Grab Finance Payments. He blends hands-on backend expertise in Go and Rust with leadership roles that span product delivery, cloud-native deployments, and vendor-grade OpenAPI/security integrations. Rheza has led engineering teams at OVO, BRI, and health-tech startups, and has practical experience from prototyping to productionizing systems on Kubernetes, GKE, OpenStack and Apigee. An active contributor to open-source, he improved browser compatibility and modern build tooling for the fast-validator JS library and demonstrates a continued interest in polyglot stacks. Colleagues know him as a curious lifelong learner who pairs pragmatic engineering with strategic platform thinking.
11 years of coding experience
8 years of employment as a software developer
Bachelor of Engineering (B.Eng.), Electrical Engineering, Bachelor of Engineering (B.Eng.), Electrical Engineering at Fachhochschule Südwestfalen
Senior High School, Senior High School at SMA Negeri 1 Semarang
Master of International Business, International Business, MIB, Master of International Business, International Business, MIB at Hult International Business School
Bachelor of Science (B.Sc.), Information and Communication Technology, Bachelor of Science (B.Sc.), Information and Communication Technology at Swiss German University
English, Indonesian, German, chinese simplified, Japanese, Malay, javanese, Arabic
Contributions summary:Rheza primarily focused on enhancing the browser compatibility and build process of the validator library. They enabled browser support by integrating Rollup.js and modifying code to remove NodeJS `fs` dependencies. Additionally, they added minification, source maps, and closure compilation for production builds, and restructured the project's output directory. Furthermore, they added an example project using React and Next.js, showcasing the library's usage in a modern web application context.
Contributions:85 PRs, 113 pushes, 75 branches in 8 months
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Rheza Satria - Lead Software Engineer, Grab Finance, Payment