Work

Senior Software Engineer
PortOne Korea
2021 - Present

Founding engineer building payment infrastructure from 0-1. Built merchant console and PSP pipeline from scratch. Launched products across Vietnam, Thailand, and SEA. Founding engineer at CHAIPort. Tech owner for core payment products. Scaling Payments & Crypto infrastructure.

Software Engineer
Playpower Labs
2018 - 2021

Senior engineer scaling technology & services

Software Engineer Intern
MAQ Software
Jan 2018 - June 2018

Built reporting solutions for Microsoft OCP Users. Improved dashboard performance by 50% through stored procedure optimization. Developed nested data-view components for enhanced insights. Tech: SQL, SSIS, Power BI, SQL Server Analysis.

Google Summer of Code Intern
Checker Framework Foundation
May 2017 - August 2017

GSoC 2017 contributor working with Prof. Michael Ernst and Prof. Mark Roberts at University of Washington. Created annotated versions of Apache Commons libraries (commons-io, commons-lang). Added Nullness type system annotations and resolved bugs in Apache libraries.