Fintech 3 min read

How we reduced technical debt for a Fintech scale-up using AI agents

Deployed AI-augmented engineering squads to systematically identify, refactor, and document legacy code, reducing technical debt by 40% in just 3 months while maintaining feature velocity.

TypeScriptNode.jsAWSOpenAISonarQubeJest
Key outcome 40% reduction in technical debt metrics
01

40% reduction in technical debt metrics

02

Test coverage increased from 35% to 85%

03

Feature delivery velocity restored to pre-scale levels

04

Onboarding time for new devs reduced by 2 weeks

The Challenge

Understanding the problem before designing the solution.

The client, a rapidly growing fintech scale-up, was bogged down by accumulating technical debt. Feature delivery had slowed by 50% due to fragile legacy code, lack of documentation, and brittle test coverage. They needed a way to pay down debt without pausing product development.

Our Solution

A senior-led, evidence-first approach to the problem.

RSVR deployed an AI-augmented squad specialized in modernization. We used proprietary AI agents to map the codebase, generate missing unit tests, and propose safe refactoring paths. Our senior engineers reviewed and merged these changes, ensuring safety and compliance throughout the process.

What was delivered

Key Deliverables

01

AI-driven static analysis and refactoring

02

Automated unit test generation

03

Legacy code documentation

04

CI/CD pipeline optimization

05

Zero downtime during refactoring

06

Knowledge transfer to internal team

Business impact

The outcomes we delivered.

Measurable results achieved through senior-led, evidence-first delivery.

01

40% reduction in technical debt metrics

02

Test coverage increased from 35% to 85%

03

Feature delivery velocity restored to pre-scale levels

04

Onboarding time for new devs reduced by 2 weeks

Technologies used

The stack we selected and delivered on.

TypeScript
Node.js
AWS
OpenAI
SonarQube
Jest

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