Solutions
How to Modernize a Legacy Application Without Rebuilding Everything
Most legacy systems still contain the rules the business runs on. Gamuru modernizes by wrapping, extracting, and replacing in stages so you keep trading while the platform gets safer to change.
The rewrite that never ships is more expensive than the legacy system
We prefer an incremental path: APIs around the core, new UI where users suffer most, and replacement of modules that block hiring or security.
Respect for production
The current system is running the business. We modernize it with that in mind.
Benefits
What this work is for — in business terms.
Risk in smaller bets
Each release can go to production.
Knowledge capture
Undocumented behaviour is treated as a deliverable.
A hiring story
Newer stacks in the edges make the platform easier to staff over time.
What we do
Strangler and coexistence
New services take traffic gradually.
UI replacement
A modern front end on a still-valuable core.
Data and runtime upgrades
Reduce security and vendor risk.
Process
A delivery path you can govern.
01
See the estate
Dependencies, batch jobs, and tribal knowledge.
02
Choose the first seam
The module that unlocks the most, with the least blast radius.
03
Introduce APIs
A stable contract around the old world.
04
Replace behind the contract
Users should feel improvement, not a big-bang event.
05
Retire
Turn off what is truly done.
Technology
Related services
Case studies
Further reading
Frequently asked questions
What if the original developers are gone?+
Then discovery is the first phase: behaviour, integrations, and the people who currently keep it alive.
Plan a Modernization Path
Tell us what you cannot change and what you must change this year. We will propose a staged plan.