User's Challenge

「I want to resolve technical debt in legacy code」

I am the CTO of a SaaS company with 100 employees. Our challenge is development efficiency; legacy code added incrementally since our founding has become complex and is hindering the development of new features. I want to create a plan to proceed with incremental refactoring without stopping the business.

Selected Approach

ROI-Based Technical Debt Resolution Roadmap

Strategy & Prioritization

A framework for visualizing the cost of resolving debt versus the resulting improvement in development speed (ROI), allowing for planning in order of business contribution.

For the constraint of "not stopping the business," an approach that identifies areas with high returns on development efficiency and proceeds incrementally is optimal.

Other Candidates:Business Value & Risk Analysis Framework·Bottleneck Identification & Resolution Planner
01

Identifying Refactoring Targets

Identify technical debt and modules requiring improvement by category that are currently slowing down development speed.

Identifying Refactoring Targets - Canvas

AI Insight

Key findings from this step

02

Prioritizing debt resolution

Map the debt identified in the previous step across two axes—"Difficulty of Fix (Cost)" and "Impact on Development Efficiency"—to visualize the priority for action.

Prioritizing debt resolution - Canvas

AI Insight

Key findings from this step

03

Defining Resolution Methods and Risks

For high-priority debt, organize specific technical approaches (methods) along with the associated risks and points of caution.

Defining Resolution Methods and Risks - Canvas

AI Insight

Key findings from this step

04

Quarterly Execution Schedule Development

Map the debt items for which resolution methods were considered into a quarterly (Q1–Q4) roadmap, synchronizing them with business peak periods and release plans.

Quarterly Execution Schedule Development - Canvas

AI Insight

Key findings from this step

Summary and Next Steps

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