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services/platform modernization/legacy application modernization
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Legacy Application Modernization

Make an ageing application easier to maintain, safer to change, and ready for what comes next.

Old software does not become a problem simply because it is old. It becomes a problem when every release takes longer, dependencies stop receiving support, knowledge sits with one person, and teams become afraid to touch parts of the codebase.

We modernize the areas creating real constraints first: outdated frameworks, dependencies, architecture, testing, deployment processes, and fragile integrations.

The goal is not to rewrite working software for the sake of having a newer stack. It is to leave you with a product your team can confidently keep developing.

What this includes

  • /Codebase and dependency assessment
  • /Framework and runtime upgrades
  • /Refactoring of high-risk or tightly coupled areas
  • /Automated testing around critical behaviour
  • /Removal of obsolete libraries and unsupported components
  • /Documentation and knowledge transfer

When teams call us

  • /Frameworks or runtimes are approaching end of support
  • /Small changes take disproportionately long
  • /Developers avoid parts of the codebase
  • /Releases regularly break unrelated functionality
  • /The original development team is no longer available
  • /A full rewrite feels too expensive or risky
// other platform modernization services

Architecture Modernization

Make the system easier to change before complexity becomes the roadmap.

learn more

Frontend & Backend Rebuilds

Replace the layer holding the product back without rebuilding everything else.

learn more

Cloud & Platform Migration

Move the application without turning migration weekend into the project plan.

learn more
// legacy application modernization work we have shipped
HiGroup_Work_Adria-dom_Cover
Adria Dom

Adria Dom - Digitalizing Factory Assembly Line

T2 Logo Cover
T-2

T2 – Digitalisation & Product Development Partnership

Xentral Cover Logo
Xentral GmbH

Xentral – Scalable Headless Website Platform

// good to know

Common questions

Do we need to rewrite the application?+

Usually not. We first identify which parts are creating the most risk or slowing development and modernize those areas incrementally.

Can you work with undocumented legacy code?+

Yes. Understanding the real behaviour of the existing system is part of the engagement. We use the codebase, infrastructure, production behaviour, tests, and stakeholder knowledge to reconstruct how it works.

Can you upgrade an application while users are still using it?+

Yes. Wherever possible, upgrades and refactoring are delivered incrementally so production continues operating throughout the work.

How do you decide what to modernize first?+

We prioritise based on delivery friction, operational risk, support status, business importance, and how much each change unlocks future development.

Need help with legacy application modernization?

Whether it is a rebuild or extra hands, the first call is 30 minutes.

Book a 30-min call