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Finance API

Personal engineering2026

A Node.js REST API backing a personal finance mobile app.

JavaScript
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// stack

JavaScript
Node.js
Express

// architecture

Node.js + Express REST API for a mobile client

// overview

An Express REST API serving a finance mobile application — accounts, transactions and reporting endpoints.

// what was built

  • ·REST API designed for a mobile client rather than a browser, with the payload shapes that implies.

// next

Black Copper

Web and mobile frontends for a consumer lending product — application, disbursement and repayment flows.