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AI spend management
for CFOs

A product design case study on helping finance teams track and control company spend on AI tools.

Role
Product designer
Platform
Web app
Focus
CFO · Finance lead
Surfaces
Overview, Budgets, Cards
AI spend overview dashboard

Keeping AI tool spend from running away

AI billing is based on tokens, so usage and cost can spike before anyone notices. Teams often put tools on personal cards or shared logins, and finance only sees the damage later.

This product helps finance track usage, set budgets by department, and let team leads allocate those budgets. Cards are issued in the platform and linked to specific tools, so they are easy to manage or disable. AI also flags unusual high spend to the right people early.

What I did

I worked with the founders as product designer. They had a clear vision of the problem, but not yet a solution. We spent a lot of time iterating and brainstorming until the product found its shape.

I designed the main flows and screens, used AI to move faster in design, and learned to lock a design.md early after inconsistencies crept in.

Overview

This interface lets users see spend against budget, what needs attention, and which AI tools are driving cost.

Overview dashboard

Overview

Budget pace, attention list, and top tools.

Spend chart detail

Spend chart

Actual, forecast, and budget in one view.

Budgets

This interface lets CFOs set company and department ceilings, and lets team leads allocate what their people can spend.

Budgets screen

Budgets

Current period and previous months in one place.

Cards

This interface lets users issue virtual cards linked to a specific AI tool, then manage, freeze, or disable them as needed.

Cards table

Cards

Tool-linked cards with status and cardholders.

Transactions and workflows

These interfaces let users review charges and set rules for limit alerts, anomalies, and approvals.

Transactions list

Transactions

Approved, declined, and pending charges.

Workflows and policies

Workflows

Policies for alerts, freezes, and approvals.

From discovery to shipped

🎯
Founders
Worked from their vision of the AI spend problem.
🔍
Brainstorm
Explored budgets, cards, and anomaly alerts together.
✏️
Design
Overview, budgets, cards, transactions, workflows.
⚡
Iterate
Prototype, feedback, and reshape until it clicked.
🚀
System
Locked a design.md to keep screens consistent.

Three takeaways

Iterate with founders

When the vision is clear but the solution is not, the work is living in brainstorms and prototypes until the product finds its shape.

AI speeds design

I used AI to move faster on screens. Speed helped, but only when the system underneath was clear.

Write design.md early

Early inconsistency taught me to lock patterns soon. That habit has made later projects cleaner.

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