AWS Playground

Live interactive demos of AWS services. Each button triggers a real API call — the response you see is returned directly from AWS.

Storage

Amazon S3 — Presigned Upload

Pick any file. The backend generates a presigned PUT URL via the AWS SDK, then your browser uploads directly to S3 — bypassing the API server entirely.

1
Select a file
2
Backend generates presigned PUT URL (AWS SDK)
3
Browser uploads directly to S3
Database

Amazon DynamoDB — Put / Get / Delete

Writes an item to DynamoDB, reads it back, then deletes it. Write and read latencies are measured live.

Compute

AWS Lambda — Execution Context

Reads live metadata directly from the Lambda runtime environment — function name, memory, architecture, and whether this is a cold or warm start.

Networking

Amazon API Gateway — Request Context

Every API call on this portfolio passes through API Gateway before reaching Lambda. This demo returns the routing context to prove it.

AI / ML

AWS Translate — English → Korean

Translates a sentence live using AWS Translate — the same service powering the language toggle on this portfolio.