> We help engineering organizations modernize complex Rails systems for the era of AI-assisted development. Assessment-first approach for governance, understanding, and engineering confidence.

# We modernize complex software systems when breaking things is expensive.

Software engineering is changing. Your engineering systems should too.

[Start with an Assessment](https://www.defmethod.com/assessment)
[See client work](https://www.defmethod.com/case-studies)

![Walmart](https://www.defmethod.com/assets/walmart-monochrome.png-563d81033b840f2b04de527fcb4ac984dfed6050cdc462a7371265e096219ed5.webp)
![Dick's Sporting Goods](https://www.defmethod.com/assets/dsg-monochrome.png-8f927f49d989cb60ac461f34b026140eee7cf979308b179046381957c19dc14e.webp)
![Citibank](https://www.defmethod.com/assets/citibank-monochrome.png-f152b00958a1b9e44b739a90a7b2397500721d8574eb3c7ca8b4ab0f5eef9bd9.webp)
![MoMA](https://www.defmethod.com/assets/moma-monochrome.png-23fd5bf0ab2925ebac5ed968348c599f3bfdb3628e29f2aa4c3f8e56acc08cde.webp)

Repeat clients
80%

Hours on client projects
150k+

Average years of experience per employee
10.5

## Start with understanding, not code.

AI can accelerate implementation. It cannot supply the missing context, controls, and evidence that make change safe.

System risk map
Where is change most likely to create operational, compliance, or revenue risk?

Test confidence evaluation
Where can the team trust the current evidence, and where is confidence overstated?

Modernization pathways
What should be changed now, deferred, or explicitly avoided?

[Learn about the Assessment](https://www.defmethod.com/assessment)

## Systems that couldn't afford to fail.

And didn't.

Financial Services

### Orum

Modernizing revenue-critical reporting systems

Improved reporting reliability

[Read more →](https://www.defmethod.com/case-studies/unlocking-scale-by-revamping-data-systems-at-orum)

Financial Services

### Paxos

Modernizing compliance infrastructure

Protected compliance workflows

[Read more →](https://www.defmethod.com/case-studies/streamlining-compliance-at-paxos)

Financial Services

### Citi

Modernizing derivatives pricing systems

Reduced stale-model risk

[Read more →](https://www.defmethod.com/case-studies/building-a-derivative-pricing-platform-at-citi)

[See all case studies](https://www.defmethod.com/case-studies)

> Thorough. That's the one word I'd boil it down to. They analyze and account for different outcomes, opportunities, and risks.

![Roxanne O'Driscoll](https://www.defmethod.com/assets/roxanne_o-2f92fed39d7be2645e2b6f63293e63a3483c0644e6b2409f3a92e4da1f116eb3.jpg)

Roxanne O'Driscoll
Director of Product Management, GameChanger

Find out where change is safe.

[Start with an Assessment](https://www.defmethod.com/assessment)