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Systems I've Built

Production systems I shipped, and reference designs I built to work through a problem. Each card says which it is.

Cloud-Native E-Commerce Platform project preview

Software Engineer

Shipped

Cloud-Native E-Commerce Platform

Maintained and extended a hybrid AWS e-commerce backend spanning Lambda, API Gateway, DynamoDB, EC2, and Aurora.

Node.jsAWS LambdaAPI Gateway+5
Open case study
Game Publishing Platform project preview

Software Engineer

Shipped

Game Publishing Platform

Designed distributed backend services for a game publishing platform serving 200K+ monthly active users with real-time, high-concurrency workloads.

FastifyPostgreSQLRedis+4
Open case study
AWS Data Platform project preview

Backend Engineer

Reference design

AWS Data Platform

Designed a lakehouse-style analytics foundation for event ingestion, governed access, and product reporting on AWS.

AWS GlueS3Lake Formation+3
Open case study
High-Speed URL Shortener project preview

Backend Engineer

Shipped

High-Speed URL Shortener

Built a low-latency redirect service with deterministic short-code generation, cache-first reads, and operational safeguards.

GoGinRedis+3
Open case study
Fitness Analytics Platform project preview

Software Engineer

Reference design

Fitness Analytics Platform

Modeled an analytics backend for workout activity, cohort reporting, and coach-facing product insights.

TypeScriptPostgreSQLRedis+2
Open case study
Virtual Golf Booking System project preview

Backend Engineer

Reference design

Virtual Golf Booking System

Designed a reservation workflow for simulator sessions, payment state, and schedule availability.

NestJSPostgreSQLRedis+2
Open case study