Application Modernization
Bring legacy systems up to current standards.
Incremental modernization of legacy applications — architecture, UX, APIs, data, and observability — in safe, planned moves that keep the business running.

Executive summary
What this service solves
Legacy systems that block change, hidden risk, costly maintenance, and tightly-coupled architectures.
Where it applies
Monoliths, legacy frameworks, end-of-life stacks, and tightly-coupled enterprise applications.
What you get
Modernization roadmap, prioritized rewrites, refactors, and a stable path from legacy to current.
Business challenges
Cloud Karvan approach
Assess
Legacy estate, risk, and value
Prioritize
Roadmap with sequencing
Modernize
Refactor, rewrite, or replace
Test
Behavior parity and performance
Stabilize
Hypercare and run model
Assess
Legacy estate, risk, and value
Prioritize
Roadmap with sequencing
Modernize
Refactor, rewrite, or replace
Test
Behavior parity and performance
Stabilize
Hypercare and run model
Decision areas
- Modernization strategy
- Sequencing and risk
- Target architecture
- Test and parity strategy
- Stabilization & ownership
Deliverables you can expect
- Application assessment and modernization roadmap
- Target architecture and migration plan
- Phased refactors with regression coverage
- Performance, security, and observability uplift
Support model options
Project engagement
Modernization assessment with prioritized roadmap, sequencing and effort estimates.
AMC retainer
Wave-based modernization retainer — refactor, rewrite or replatform one slice at a time.
Managed service
Legacy run-down — keep the old system stable while we build and cut over to the new one.
Get clarity before investing in refresh, migration, or support.
