Hyunsung Song
Software Development Engineer at Amazon
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolHyunsung Song is a software development engineer with 8 years of experience building backend systems, automation pipelines, and customer-facing integrations across education, finance, and cloud platforms. Currently at Amazon after completing a CS master's, he blends pragmatic production engineering—API integrations, data de-duplication, indexing, and performance tuning—with research-driven work in deep learning on biomedical imaging. At Scholastic he reduced ineligible shipments by 30% and improved database runtimes by 90% through targeted data modeling and automation; at NYC Department of Finance he cut validation time by 95% while introducing API management and exploring VoiceRAG for contact center innovation. Comfortable across Java/Spring, Kafka, React, Azure API Management, and identity systems like Okta, he favors understanding system internals and uncovering subtle bugs that unlock operational efficiency. Based in Seattle, he pairs hands-on coding with a curiosity for applied ML and scalable platform design.
8 years of coding experience
4 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at The City College of New YorkMaster of Arts - MA Computer Science, Master of Arts - MA Computer Science at Queens College
Github Skills (9)
stock8
simulator8
react6
backend-api4
backend4
api3
rest-api3
nodejs3
mongodb3
Programming languages (2)
Github contributions (5)
Song-Hyunsung/clover-server
Aug 2023 - Jan 2024
clover backend server
Contributions:25 PRs, 27 pushes, 33 branches in 5 months
StockMarketSimulator-CSC-59867-03/SMSimulator_API
Feb 2020 - May 2020
Backend API for StockMarketSimulator
Contributions:8 PRs, 27 pushes, 2 branches in 2 months
apibackendnodejsbackend-apirest-api
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