A SaaS company with a 6-year-old Laravel monolith needed to modernize without halting feature development or risking a big-bang rewrite.
The Problem
The application had grown organically over 6 years. Key areas were undocumented, test coverage was below 20%, and onboarding new engineers took months. The team wanted to evolve the platform but couldn’t safely add new capabilities with the existing architecture.
The Approach
We took an incremental modernization path:
- Assessed the codebase and identified safe integration points for new capabilities
- Added API layers and service boundaries to decouple new features from the monolith
- Introduced comprehensive logging and observability (structured logs, metrics, tracing)
- Built automated documentation generation from code and database schema
- Integrated AI-powered documentation tooling as a capability within the existing stack
- Used feature flags for all new integrations to enable safe, gradual rollout
The Outcome
- Test coverage increased from ~18% to over 60% in critical paths
- New engineer onboarding time reduced from months to weeks
- New platform capabilities integrated safely with zero production incidents
- The team gained confidence to continue modernization independently