Client ecommerce launch
Vye Coconut Water
A modern ecommerce presence for Vye Brands Inc., delivered with the launch infrastructure around it.
Next.jsTypeScriptStripeResend
Jae Hyun Song · Backend-Focused Software Engineer
Systems-minded engineering
across Java, Node.js, and AWS
I build client products, SaaS platforms, and enterprise systems from backend architecture through cloud delivery. This portfolio is a focused record of the products, platforms, and client work I have shipped.
Spring Boot · Fastify · Next.js · TypeScript · AWS
Client & product work
Software built for real operating constraints.
Through DontSweat.Tech, I work across client launches, SaaS products, commerce systems, and enterprise platforms—from architecture through production delivery.
Workforce coordination SaaS
Farero
A multi-organization workforce platform for schedules, timekeeping, reporting, and day-to-day team coordination.
Next.jsTypeScriptPostgreSQLPrisma
Wholesale ordering platform
Jumun
A wholesale commerce system with separate retailer, operations, and API applications inside one coordinated product architecture.
Next.jsSpring BootJavaPostgreSQL
Migrations, AEM, and reliability
Enterprise platform delivery
Large-scale platform work shaped around content operations, governance, accessibility, security, and release constraints.
JavaAEMaaCSSpring BootDispatcher
About
Systems-minded. Product-aware.
I'm a software engineer focused on backend systems, product architecture, and reliable delivery. Through DontSweat.Tech, I work across client launches and products including Vye, Farero, and Jumun, alongside years of enterprise platform, AEM, accessibility, and cloud migration work.
Technologies
Built across the stack
The languages, frameworks, data systems, and infrastructure I use to design and deliver production software.
