Crafted Experiments

A collection of utilities, components, and experiments I've built. Interactive demos you can try right here.

From One Mover to N: Scaling Payouts

How a synchronous single-employee Stripe payout was refactored into idempotent, queue-backed multi-employee payouts — and the duplicate-charge race condition that forced the rewrite.

StripeBullMQMongoDBRace ConditionsSystem Redesign

MicroserviceVisual

Heirloom Credential Issuance

A long-form, animated walkthrough of how verifiable credential issuance was rebuilt — from synchronous bulk-only to QR-driven auto-issuance with queue-backed workers.

DIDsBullMQPostgresVerifiable CredentialsSystem Redesign

MicroserviceVisual

Notification Template Processor

An animated visualization of a template processing pipeline: SNS → Validation → Strategy → Template → Render → SQS.

KotlinAWSMicroservicesEvent-Driven

CLIVisual

CSV Deduplicator

A terminal-style tool that removes duplicate entries from CSV files. Watch the demo, then run the command yourself.

TypeScriptCLIData Cleaning

ComponentInteractive

Date Input Formatter

A smart date input that auto-formats to MM/DD/YYYY as you type, with intelligent cursor positioning.

ReactTypeScriptDate FormattingUX

More coming soon