E
Ernest Yoyowah
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My Setup & Stack

The tools, software, and hardware I use day-to-day for payment systems engineering, building music technology, and everything in between.

Languages

TypeScript

Default for all frontend and backend projects.

JavaScript

Core web and Node.js scripting.

Golang

Payment service backends, high-throughput APIs.

Swift

Native macOS music tools — CoreMIDI, SwiftUI, AudioUnit v3.

Frontend

React

Component architecture for all web interfaces.

React Native

Cross-platform mobile applications.

Next.js

App Router, RSC, static + server rendering.

Tailwind CSS

Utility-first CSS.

Backend

Node.js

API servers, scripting, tooling.

Express

REST API framework.

MongoDB

Document store for application data.

MySQL

Relational database for structured data.

State Management

Redux

Predictable state container for complex apps.

Zustand

Lightweight state management.

Security & Compliance

Auth0

Identity and access management.

OWASP

Security standards and vulnerability prevention.

PCI DSS

Payment card industry compliance standards.

Music Production

Ableton Live

Production, arrangement, and live performance.

MainStage

Live keyboard rigs. Zero-latency.

Studio One

Mixing and mastering sessions.

Omnisphere

Synthesis and sound design.

Kontakt

Sample-based instruments.

Korg Triton

Hardware synth. Iconic sounds.

Last updated May 2026