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Legacy Software Modernization

Old systems keep the business running and slow everything else down: changes take weeks, the original developers are gone, and nothing connects to newer tools. We modernize in stages, so the business keeps running: stabilise, wrap the system in APIs, then replace parts one at a time.

Who It's For

Businesses on aging custom software

A system built years ago that only one person understands and nobody wants to touch.

Teams stuck on outdated frameworks

Unsupported versions of PHP, AngularJS or older Java stacks that block hiring and security updates.

Companies moving to the cloud

On-premise or single-server applications that need to scale, stay available and cost less to run.

What You Get

  • Code and architecture audit with a staged modernization plan
  • Automated tests around critical behaviour before anything changes
  • APIs that let new tools work with the old system
  • Incremental rewrites, framework upgrades and cloud migration
  • Data migration with validation, and a rollback plan for every stage

Pricing

Discovery, then time & materials

Discovery Sprint $4,000–$8,000 · Time & materials $45–$95 per hour by role

Every project gets a written quote before work starts. US point of contact, daily overlap in your morning, and code you own from day one.

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How We Modernize Without Disruption

Understand before changing

We map the system’s modules, data and integrations, and identify what the business depends on most, including the parts nobody has documented.

Protect behaviour with tests

Automated tests capture how the system behaves today, so every change can be checked against it.

Replace in slices

New components take over one capability at a time behind a stable interface, while the old system keeps running the rest.

Retire the old system safely

Data is migrated and validated in stages, users move over gradually, and each stage has a tested rollback.

Why US Companies Work With CodeMaya

US point of contact

An office in Pleasanton, California and a named engagement lead for every project.

A 24-hour cycle

Daily overlap in your morning; our team in India builds while you sleep.

Written quotes

Fixed prices for defined scope, published rate ranges, no surprise invoices.

Your code, your IP

Everything lives in your repository from day one. Building software since 2015.

How we work with US clients

Software Modernization FAQs

Do we have to rewrite everything?

Rarely. Most modernizations replace the system in stages behind a stable API, so the business keeps running and risk stays low. A full rewrite only makes sense when the old system can’t be safely changed at all.

How do you avoid breaking things?

We add automated tests around the behaviour that matters before changing code, migrate in small stages, and keep a rollback plan for each release.

Where does modernization start?

With a discovery sprint: we audit the code, infrastructure and data, then give you a staged plan with costs for each stage.

Can you add AI features to our existing software?

Yes. Once the system has clean APIs, AI features such as document processing, search and assistants can be added without rebuilding the core.

More services: MVP Development · Web Application Development · Mobile App Development · Dedicated Development Team

Tell Us What You're Building

We'll schedule a call in your morning and follow up with a written estimate.

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