engineering applications

Modernize legacy applications without starting over.

We help you decide which applications to refactor, re-architect or replace, then modernize them in safe, phased steps. Your applications become easier to change while the business keeps running.

Overview

Application Modernization

Application Modernization helps organizations improve legacy applications so they are easier to change, scale and support, without the risk of a single large rewrite.

We assess each application and recommend the right path: refactoring, re-architecture or phased replacement. Automated tests are added before changes are made, and modernization is delivered in increments so the business keeps running throughout.

The result is applications that support current priorities, cost less to run and are ready for cloud, integration and AI.

Who this is for

  • IT leaders running critical applications on outdated technology
  • Organizations where small changes take months because of technical debt
  • Teams supporting applications that few developers still understand
  • Businesses whose applications limit cloud, integration or AI plans

What gets in the way

Challenges this service addresses

  • Slow, risky changes

    Tightly coupled code means every change needs extensive testing, and releases happen rarely.

  • Outdated technology

    Applications depend on unsupported frameworks, languages or databases, increasing security and support risk.

  • Shrinking skills

    Few developers know the technology or the code, and knowledge leaves when they do.

  • High cost to run

    Legacy applications need specialized infrastructure, licenses and manual effort that grow more expensive each year.

  • Fear of a full rewrite

    Replacing a critical system in one step feels too risky, so modernization is postponed year after year.

What we do

Capabilities

Each capability can be scoped on its own or combined into a larger programme of work.

Capability 01

Application Portfolio Assessment

Assess applications by business value, technical condition and risk, and choose the right path for each.

  • Portfolio inventory
  • Code and architecture review
  • Modernization path for each application
  • Business case and roadmap

Capability 02

Refactoring & Technical Debt Reduction

Improve code structure, remove outdated dependencies and add automated tests without changing business behavior.

  • Code refactoring
  • Framework and runtime upgrades
  • Automated test coverage
  • Dependency cleanup

Capability 03

Re-Architecture & Cloud-Native Design

Restructure applications into modular services that scale independently and use cloud-native patterns.

  • Modular and service architecture
  • API enablement
  • Cloud-native redesign
  • Data and database decoupling

Capability 04

Phased Rebuild & Replacement

Replace legacy functions step by step, running old and new together until the legacy system can be retired.

  • Incremental replacement
  • Parallel running
  • Data migration
  • Legacy retirement

Capability 05

User Experience Modernization

Replace outdated interfaces with modern web and mobile experiences while reusing proven business logic.

  • User research and design
  • Web front-end rebuild
  • Mobile access
  • Accessibility improvements

What changes

Business outcomes

  • Faster, safer changes to critical applications
  • Lower risk from unsupported technology
  • Reduced dependence on scarce legacy skills
  • Applications ready for cloud, integration and AI
  • Modernization without a risky big-bang rewrite

How we work

Our approach

  1. 1 Assess Review code, architecture, dependencies and business value, and agree the modernization path.
  2. 2 Design Define the target architecture and a phased plan that keeps the application running throughout.
  3. 3 Build Modernize in increments, adding automated tests before changing existing behavior.
  4. 4 Test Compare old and new behavior with real scenarios, and validate performance and security.
  5. 5 Launch Release each phase with rollback options, then hand over to your team or our support service.

Why Hinkor

How we back that up

  • Right path for each application

    We recommend refactoring, re-architecture or replacement based on value and risk, not a single approach.

  • Incremental, not big-bang

    Applications are modernized in phases, so value arrives early and the business is never left without a working system.

  • Tests before changes

    We add automated tests around existing behavior first, so modernization does not break what already works.

  • Knowledge captured as we go

    Every phase produces documentation, reducing dependence on the few people who understand the legacy system.

Application Portfolio Assessment

Assess your applications and receive a recommended modernization path and roadmap for each.

Modernization Pilot

Modernize one module or component end to end to prove the approach before wider rollout.

FAQ

Questions about Application Modernization

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Should we modernize or replace our application?

It depends on business value, code condition and whether a packaged product meets your needs. We assess each application and compare refactoring, re-architecture and replacement on cost, risk and value.

Can we keep using the application during modernization?

Yes. We modernize in phases, often running old and new components together. Each phase is released with rollback options, so the business continues to operate throughout.

How is this different from Cloud Migration & Modernization?

Cloud Migration & Modernization moves workloads to the cloud and adopts platform services such as containers and managed databases, with little or no code change. Application Modernization changes the application itself through refactoring or re-architecture. Many programs need both, and we plan them together.

How is this different from Custom Software & Product Engineering?

Application Modernization improves or gradually replaces applications you already run. Custom Software & Product Engineering builds new applications and products from the start.

Who supports the application after modernization?

Each phase is handed over with documentation and automated tests. Ongoing support, fixes and minor enhancements are provided through Application Management & Support, or by your own team.

Next step

Ready to modernize your legacy applications?

Talk to our engineering team about your applications, risks and priorities.