Lunch Money — Web fintech product delivered by Coralsoft

The situation

What was in place before we started.

The client needed a focused product for people managing personal budgets. The first release needed transaction import, category rules, and monthly budget review, while managing sensitive data and reconciliation errors. Coralsoft designed and delivered the 16-week MVP from discovery through release.

The client needed a focused product for people managing personal budgets. The first release needed transaction import, category rules, and monthly budget review, while managing sensitive data and reconciliation errors.

Coralsoft owned product shaping, engineering, QA, and release across a 16-week engagement.

Constraint

Turn the core customer journey into a dependable first release without overbuilding the product.

Estimated Timeline: 4 months
Estimated Team: 4 people
Estimated Budget: $15k – $25k
Platforms: 1

Estimated stack

Next.jsReactTypeScriptNode.jsPostgreSQL

Delivery story

Lunch Money: a focused product delivered from discovery to release

01

Challenge

The client needed a focused product for people managing personal budgets. The first release needed transaction import, category rules, and monthly budget review, while managing sensitive data and reconciliation errors.

02

How we built it

We mapped the core journey and data model first, then delivered transaction import as a working vertical slice. The next iteration added category rules and monthly budget review, with authentication, validation, loading and failure states designed into each flow. A web-first TypeScript build using Next.js, React, TypeScript, Node.js kept the interface and service contracts consistent; the final weeks focused on QA, accessibility, and release preparation.

03

Delivery

The delivered 16-week MVP let people managing personal budgets complete the core journey without relying on disconnected tools. It provided a small, maintainable foundation for testing demand and prioritising the next release.

Coralsoft turned the product brief into a maintainable 16-week MVP.

Challenges

Each constraint, and what we did about it.

Constraint

Turn the core customer journey into a dependable first release without overbuilding the product.

What we did

We mapped the core journey and data model first, then delivered transaction import as a working vertical slice. The next iteration added category rules and monthly budget review, with authentication, validation, loading and failure states designed into each flow. A web-first TypeScript build using Next.js, React, TypeScript, Node.js kept the interface and service contracts consistent; the final weeks focused on QA, accessibility, and release preparation.

Showcase